Common use of Real Estate Taxes Clause in Contracts

Real Estate Taxes. For each Tax Year falling within the Term, Tenant shall pay to Landlord, as Additional Rent, the Landlord's Tax Expenses Allocable to the Premises for such corresponding Tax Year, and for each fraction of a Tax Year falling within the Term at the beginning or end thereof, Tenant shall pay to Landlord, as Additional Rent, the product of (i) such Applicable fraction of a Tax Year and (ii) the Landlord's Tax Expenses Allocable to the Premises for the Tax Year in which said fraction occurs. Not later than ninety (90) days after Landlord's Tax Expenses Allocable to the Premises are determined for the first such Tax Year or fraction thereof and for each succeeding Tax Year or fraction thereof during the Term, Landlord shall render Tenant a statement in reasonable detail certified by a representative of Landlord showing for the preceding year or fraction thereof, as the case may be, real estate taxes on the Buildings and the Site and abatements and refunds of any taxes and assessments. Expenditures for legal fees and for other expenses incurred in seeking the tax refund or abatement may be charged against the tax refund or abatement before the adjustments are made for the Tax Year. Said statement to be rendered to Tenant shall also show for the preceding Tax Year or fraction thereof as the case may be the amounts of real estate taxes already paid by Tenant as Additional Rent, and the amount of real estate taxes remaining due from, or overpaid by, Tenant for the year or other period covered by the statement. Within thirty (30) days after the date of delivery of the foregoing statement, Tenant shall pay to Landlord the balance of the amounts, if any, required to be paid pursuant to the above provisions of this Section 2.7 with respect to the preceding Tax Year or fraction thereof, or Landlord shall credit any amounts due from it to Tenant pursuant to the provisions of this Section 2.7 against (x) monthly installments of fixed rent next thereafter coming due or (y) any sums then due from Tenant to Landlord under this Lease (or refund such portion of the over-payment as aforesaid if the Term has ended and Tenant has no further obligation to Landlord). In the event Landlord succeeds in obtaining a reduction of such real estate taxes, rates or assessments with respect to a real estate tax fiscal year as to which Tenant contributed Tenant's share of Landlord's Tax Expenses, then, Tenant shall be entitled to receive its proportionate share of the net amount of any refund received or reduction obtained by Landlord to the extent allocable to the Term of this Lease. Tenant's entitlement to such refund amount shall survive the expiration of the Term. Landlord will, upon the written request of Tenant, who together with other tenants lease at least fifty (50%) of the Total Rentable Floor Area of the Complex, at Landlord's election either (i) apply for an abatement of real estate taxes or (ii) allow such tenants to apply for abatements in their own name, or in Landlord's name, at their own cost (subject to such tenants' right to recover such costs on a first dollar basis from the abatement proceeds, if any). If such tenants apply for an abatement of real estate taxes, then Landlord shall have the right to be involved in each step of the abatement process, including, without limitation, Landlord's right to approve all filings in connection with such abatement proceedings (such approval not to be unreasonably withheld) and the right to attend all meetings between Tenant and its representatives and the representatives of the Town of Bedford. In addition, payments by Tenant on account of Landlord's Tax Expenses Allocable to the Premises anticipated for the then current year shall be made monthly at the time and in the fashion herein provided for the payment of fixed rent. The amount so to be paid to Landlord shall be an amount reasonably estimated by Landlord to be sufficient to provide Landlord, in the aggregate, a sum equal to Landlord's Tax Expenses Allocable to the Premises, at least ten (10) days before the day on which such payments by Landlord would become delinquent. To the extent that real estate taxes shall be payable to the taxing authority in installments with respect to periods less than a Tax Year, the foregoing statement shall be rendered and payments made on account of such installments. Terms used herein are defined as follows:

Real Estate Taxes. For each Tax Year falling within the Term, Tenant shall pay to Landlord, as Additional Rentadditional rent, for each tax period partially or wholly included in the term, Tenant’s Percentage of Taxes (as hereinafter defined). Tenant shall remit to Landlord's Tax Expenses Allocable , on the first day of each calendar month, estimated payments on account of Taxes, such monthly amounts to be sufficient to provide Landlord, by the time real estate tax payments are due and payable to any governmental authority responsible for collection of same, a sum equal to the Premises Tenant’s Percentage of Taxes, as reasonably estimated by Landlord from time to time on the basis of the most recent tax data available. The initial calculation of the monthly estimated payments shall be based upon the Initial Estimate of Tenant’s Percentage of Taxes for the governmental authority’s fiscal tax period applicable to the Building (the “Tax Year”) and upon quarterly payments being due to the governmental authority on August 1, November 1, February 1 and May 1, and shall be made when the Commencement Date has been determined. If the total of such monthly remittances for any Tax Year is greater than the Tenant’s Percentage of Taxes for such corresponding Tax Year, and Landlord shall promptly pay to Tenant, or credit against the next accruing payments to be made by Tenant pursuant to this subsection 4.2.1, the difference; if the total of such remittances is less than the Tenant’s Percentage of Taxes for each fraction of a such Tax Year falling within the Term at the beginning or end thereofYear, Tenant shall pay the difference to LandlordLandlord at least twenty (20) days prior to the date or dates within such Tax Year that any Taxes become due and payable to the governmental authority (but in any event no earlier than twenty (20) days following a written notice to Tenant, which notice shall set forth the manner of computation of Tenant’s Percentage of Taxes). If, after Tenant shall have made reimbursement to Landlord pursuant to this subsection 4.2.1, Landlord shall receive a refund of any portion of Taxes paid by Tenant with respect to any Tax Year during the term hereof as a result of an abatement of such Taxes by legal proceedings, settlement or otherwise (without either party having any obligation to undertake any such proceedings), Landlord shall promptly pay to Tenant, or credit against the next accruing payments to be made by Tenant pursuant to this subsection 4.2.1, the Tenant’s Percentage of the refund (less the proportional, pro rata expenses, including attorneys’ fees and appraisers’ fees, incurred in connection with obtaining any such refund), as Additional Rent, the product of (i) such Applicable fraction of a relates to Taxes paid by Tenant to Landlord with respect to any Tax Year and for which such refund is obtained. In the event this Lease shall commence, or shall end (ii) by reason of expiration of the Landlord's Tax Expenses Allocable term or earlier termination pursuant to the Premises for provisions hereof), on any date other than the first or last day of the Tax Year, or should the Tax Year in which said fraction occurs. Not later or period of assessment of real estate taxes be changed or be more or less than ninety one (901) days after Landlord's Tax Expenses Allocable to the Premises are determined for the first such Tax Year or fraction thereof and for each succeeding Tax Year or fraction thereof during the Term, Landlord shall render Tenant a statement in reasonable detail certified by a representative of Landlord showing for the preceding year or fraction thereofyear, as the case may be, real estate taxes on then the Buildings and the Site and abatements and refunds amount of any taxes and assessments. Expenditures for legal fees and for other expenses incurred in seeking the tax refund or abatement Taxes which may be charged against the tax refund or abatement before the adjustments are made for the Tax Year. Said statement to be rendered to Tenant shall also show for the preceding Tax Year or fraction thereof as the case may be the amounts of real estate taxes already paid payable by Tenant as Additional Rent, and the amount of real estate taxes remaining due from, or overpaid by, Tenant for the year or other period covered by the statement. Within thirty (30) days after the date of delivery of the foregoing statement, Tenant shall pay to Landlord the balance of the amounts, if any, required to be paid pursuant to the above provisions of provided in this Section 2.7 with respect to the preceding Tax Year or fraction thereof, or Landlord shall credit any amounts due from it to Tenant pursuant to the provisions of this Section 2.7 against (x) monthly installments of fixed rent next thereafter coming due or (y) any sums then due from Tenant to Landlord under this Lease (or refund such portion of the over-payment as aforesaid if the Term has ended and Tenant has no further obligation to Landlord). In the event Landlord succeeds in obtaining a reduction of such real estate taxes, rates or assessments with respect to a real estate tax fiscal year as to which Tenant contributed Tenant's share of Landlord's Tax Expenses, then, Tenant subsection 4.2.1 shall be entitled to receive its proportionate share of the net amount of any refund received or reduction obtained by Landlord to the extent allocable to the Term of this Lease. Tenant's entitlement to such refund amount shall survive the expiration of the Term. Landlord will, upon the written request of Tenant, who together with other tenants lease at least fifty (50%) of the Total Rentable Floor Area of the Complex, at Landlord's election either (i) apply for an abatement of real estate taxes or (ii) allow such tenants to apply for abatements in their own name, or in Landlord's name, at their own cost (subject to such tenants' right to recover such costs on a first dollar basis from the abatement proceeds, if any). If such tenants apply for an abatement of real estate taxes, then Landlord shall have the right to be involved in each step of the abatement process, including, without limitation, Landlord's right to approve all filings in connection with such abatement proceedings (such approval not to be unreasonably withheld) appropriately apportioned and the right to attend all meetings between Tenant and its representatives and the representatives of the Town of Bedford. In addition, payments by Tenant on account of Landlord's Tax Expenses Allocable to the Premises anticipated for the then current year shall be made monthly at the time and in the fashion herein provided for the payment of fixed rent. The amount so to be paid to Landlord shall be an amount reasonably estimated by Landlord to be sufficient to provide Landlord, in the aggregate, a sum equal to Landlord's Tax Expenses Allocable to the Premises, at least ten (10) days before the day on which such payments by Landlord would become delinquent. To the extent that real estate taxes shall be payable to the taxing authority in installments with respect to periods less than a Tax Year, the foregoing statement shall be rendered and payments made on account of such installments. Terms used herein are defined as follows:adjusted.

Real Estate Taxes. For each Tax Year falling Tenant shall pay and discharge all Real Estate Taxes payable or accruing for all period(s) within the Term, Tenant shall before failure to pay creates a material risk to LandlordLandlord of forfeiture or penalty, subject however to Tenant’s right of Contest as Additional Rent, the Landlord's Tax Expenses Allocable to the Premises for such corresponding Tax Year, and for each fraction of a Tax Year falling within the Term at the beginning or end thereof, Tenant shall pay to Landlord, as Additional Rent, the product of (i) such Applicable fraction of a Tax Year and (ii) the Landlord's Tax Expenses Allocable to the Premises for the Tax Year in which said fraction occursthis Lease expressly provides. Not later than ninety (90) days after Landlord's Tax Expenses Allocable to the Premises are determined for the first such Tax Year or fraction thereof and for each succeeding Tax Year or fraction thereof during the Term, Landlord shall render Tenant a statement in reasonable detail certified by a representative of Landlord showing for the preceding year or fraction thereof, as the case may be, real estate taxes on the Buildings and the Site and abatements and refunds of any taxes and assessments. Expenditures for legal fees and for other expenses incurred in seeking the tax refund or abatement may be charged against the tax refund or abatement before the adjustments are made for the Tax Year. Said statement to be rendered to Tenant shall also show pay all interest and penalties any Government assesses for late payment of any Real Estate Taxes, except late payment because Landlord failed to remit any payment for Real Estate Taxes (paid to Landlord by Tenant) in accordance with Tenant’s reasonable instructions or failed to promptly forward Tenant a copy of any applicable xxxx that Landlord receives. In the preceding Tax Year or fraction thereof latter case Landlord shall pay such interest and penalties. Tenant shall within a reasonable time after Notice from Landlord give Landlord reasonable proof that Tenant has paid any Real Estate Taxes that this Lease requires Tenant to pay. Tenant shall have the sole right and authority to Contest Real Estate Taxes, in compliance with the Contest Conditions. Notwithstanding the foregoing, (a) Landlord acknowledges and agrees that, as the case may be the amounts of real estate taxes already paid by Tenant as Additional Rent, and the amount of real estate taxes remaining due from, or overpaid by, Tenant for the year or other period covered by the statement. Within thirty (30) days after the date of delivery of the foregoing statementCommencement Date, Tenant shall pay to Landlord the balance of the amounts, if any, required to be paid pursuant to the above provisions of this Section 2.7 certain Real Estate Taxes are not payable with respect to the preceding Tax Year or fraction thereofPremises due to the tax-exempt status of both Landlord and Tenant; (b) Landlord covenants and agrees that it shall not take any action, or Landlord shall credit fail to take any amounts due from it to Tenant pursuant to the provisions of this Section 2.7 against action (x) monthly installments of fixed rent next thereafter coming due or (y) any sums then due from Tenant to Landlord under this Lease (or refund such portion of the over-payment as aforesaid if the Term has ended and Tenant has no further obligation to Landlord). In the event Landlord succeeds in obtaining a reduction of such real estate taxes, rates or assessments with respect to a real estate tax fiscal year as to which Tenant contributed Tenant's share of Landlord's Tax Expenses, then, Tenant shall be entitled to receive its proportionate share of the net amount of any refund received or reduction obtained by Landlord to the extent allocable to the Term of this Lease. Tenant's entitlement to such refund amount shall survive the expiration of the Term. Landlord will, upon the written request of Tenant, who together with other tenants lease at least fifty (50%) of the Total Rentable Floor Area of the Complex, at Landlord's election either (i) apply for an abatement of real estate taxes or (ii) allow such tenants to apply for abatements in their own name, or in Landlord's name, at their own cost (subject to such tenants' right to recover such costs on a first dollar basis from the abatement proceeds, if any). If such tenants apply for an abatement of real estate taxes, then Landlord shall have the right to be involved in each step of the abatement process, including, without limitation, Landlord's right the failure to approve all filings cooperate with Tenant to file for Tenant’s organizational clearance certificate with the California Board of Equalization), which shall result in connection with such abatement proceedings (such approval not to be unreasonably withheld) and the right to attend all meetings between Tenant and its representatives and the representatives of the Town of Bedford. In addition, payments by Tenant on account of Landlord's Tax Expenses Allocable to the Premises anticipated for the then current year becoming subject to such Real Estate Taxes; (c) Landlord covenants and agrees that it shall be made monthly at the time and not take any action, or fail to take any action, which shall result in the fashion herein provided for the payment of fixed rent. The amount so Premises becoming subject to be paid to Landlord shall be an amount reasonably estimated by Landlord to be sufficient to provide Landlord, in the aggregate, a sum equal to Landlord's Tax Expenses Allocable to the Premises, at least ten (10) days before the day on which such payments by Landlord would become delinquent. To the extent that real estate taxes shall be payable to the taxing authority in installments with respect to periods less than a Tax Year, the foregoing statement shall be rendered and payments made on account of such installments. Terms used herein are defined as follows:additional Real Estate Taxes; and

Real Estate Taxes. For each Tax Year falling within the Term, Tenant shall pay to Landlord, as Additional Rent, Tenant's Percentage of Taxes (as hereinafter defined) assessed against the LandlordProperty (or estimated to be due by governmental authority) for any fiscal tax period (a "Tax Year") during the term of this Lease (Tenant's Percentage of Taxes being "Tenant's Tax Expenses Allocable Obligation"). Upon the request of Tenant, Landlord shall deliver to Tenant copies of all applicable tax bills and the calculation of Tenant's Tax Obligation. Except as otherwise provided in the immediately following paragraph, Tenant shall pay Tenant's Tax Obligation to Landlord at least thirty (30) days prior to the Premises for such corresponding Tax Yeardate or dates within any year during the term hereof that the same, and for each fraction of a Tax Year falling within the Term at the beginning or end any fractional share thereof, shall be due and payable to any governmental authority responsible for collection of same (as stated in a notice to Tenant given at least thirty (30) days prior to the date or dates any such payment shall be due, which notice shall set forth the manner of computation of Tenant's Tax Obligation due from Tenant), except that such payment shall be made to Landlord not later than thirty (30) days after such notice to Tenant, if such notice is given subsequent to the date thirty (30) days prior to the date the same is due and payable as aforesaid. Tenant shall pay to Landlord, as Additional Rent on the first day of each calendar month during the term but otherwise in the manner provided for the payment of Annual Fixed Rent, estimated payments on account of Tenant's Tax Obligation, such monthly amounts to be sufficient to provide Landlord by the product time Tax payments are due or are to be made by Landlord a sum equal to Tenant's Tax Obligation, as reasonably estimated by Landlord from time to time on account of (i) Taxes for the then current Tax Year. If the total of such Applicable fraction of a monthly remittances for any Tax Year and (ii) the Landlordis greater than Tenant's Tax Expenses Allocable to the Premises Obligation for the Tax Year in which said fraction occurs. Not later than ninety (90) days after Landlord's Tax Expenses Allocable to the Premises are determined for the first such Tax Year or fraction thereof and for each succeeding Tax Year or fraction thereof during the TermYear, Landlord shall render Tenant a statement in reasonable detail certified by a representative credit such overpayment against Tenant's subsequent obligations on account of Landlord showing for Taxes (or promptly refund such overpayment if the preceding year or fraction thereof, as the case may be, real estate taxes on the Buildings and the Site and abatements and refunds of any taxes and assessments. Expenditures for legal fees and for other expenses incurred in seeking the tax refund or abatement may be charged against the tax refund or abatement before the adjustments are made for the Tax Year. Said statement to be rendered to Tenant shall also show for the preceding Tax Year or fraction thereof as the case may be the amounts of real estate taxes already paid by Tenant as Additional Rent, and the amount of real estate taxes remaining due from, or overpaid by, Tenant for the year or other period covered by the statement. Within thirty (30) days after the date of delivery of the foregoing statement, Tenant shall pay to Landlord the balance of the amounts, if any, required to be paid pursuant to the above provisions term of this Section 2.7 with respect to the preceding Tax Year or fraction thereof, or Landlord shall credit any amounts due from it to Tenant pursuant to the provisions of this Section 2.7 against (x) monthly installments of fixed rent next thereafter coming due or (y) any sums then due from Tenant to Landlord under this Lease (or refund such portion of the over-payment as aforesaid if the Term has ended and Tenant has no further obligation obligations to Landlord). In ; if the event Landlord succeeds in obtaining a reduction total of such real estate taxes, rates or assessments with respect to a real estate tax fiscal year as to which Tenant contributed remittances is less than Tenant's share of Landlord's Tax Expenses, thenObligation for such Tax Year, Tenant shall be entitled to receive its proportionate share of pay the net amount of any refund received or reduction obtained by Landlord to the extent allocable to the Term of this Lease. Tenant's entitlement to such refund amount shall survive the expiration of the Term. Landlord will, upon the written request of Tenant, who together with other tenants lease at least fifty (50%) of the Total Rentable Floor Area of the Complex, at Landlord's election either (i) apply for an abatement of real estate taxes or (ii) allow such tenants to apply for abatements in their own name, or in Landlord's name, at their own cost (subject to such tenants' right to recover such costs on a first dollar basis from the abatement proceeds, if any). If such tenants apply for an abatement of real estate taxes, then Landlord shall have the right to be involved in each step of the abatement process, including, without limitation, Landlord's right to approve all filings in connection with such abatement proceedings (such approval not to be unreasonably withheld) and the right to attend all meetings between Tenant and its representatives and the representatives of the Town of Bedford. In addition, payments by Tenant on account of Landlord's Tax Expenses Allocable to the Premises anticipated for the then current year shall be made monthly at the time and in the fashion herein provided for the payment of fixed rent. The amount so to be paid difference to Landlord shall be an amount reasonably estimated by Landlord to be sufficient to provide Landlord, in the aggregate, a sum equal to Landlord's Tax Expenses Allocable to the Premises, at least ten within thirty (1030) days before the day on which such payments after being so notified by Landlord would become delinquent. To the extent that real estate taxes shall be payable to the taxing authority in installments with respect to periods less than a Tax Year, the foregoing statement shall be rendered and payments made on account of such installments. Terms used herein are defined as follows:Landlord.

Real Estate Taxes. For each If with respect to any full Tax Year or fraction of a Tax Year falling within the Term, Landlord's Tax Expenses Allocable to the Premises as hereinafter defined for a full Tax Year exceed Base Taxes Allocable to the Premises then, on or before the thirtieth (30th) day following receipt by Tenant of the certified statement referred to below in this Section 2.7, then Tenant shall pay to Landlord, as Additional Rent, the Landlord's Tax Expenses Allocable to the Premises for amount of such corresponding Tax Year, and for each fraction of a Tax Year falling within the Term at the beginning or end thereof, Tenant shall pay to Landlord, as Additional Rent, the product of (i) such Applicable fraction of a Tax Year and (ii) the Landlord's Tax Expenses Allocable to the Premises for the Tax Year in which said fraction occursexcess. Not later than ninety (90) days after Landlord's Tax Expenses Allocable to the Premises are determined for the first such Tax Year or fraction thereof and for each succeeding Tax Year or fraction thereof during the Term, Landlord shall render Tenant a statement in reasonable detail certified by a representative of Landlord showing for the preceding year or fraction thereof, as the case may be, real estate taxes on the Buildings Building and the Site and abatements and refunds of any taxes and assessments. Expenditures for legal fees and for other expenses incurred in seeking obtaining the tax refund or abatement may be charged against the tax refund or abatement before the adjustments are made for the Tax Year. Said statement to be rendered to Tenant shall also show for the preceding Tax Year year or fraction thereof as the case may be the amounts of real estate taxes already paid by Tenant as Additional Rent, and the amount of real estate taxes remaining due from, or overpaid by, Tenant for the year or other period covered by the statement. Within thirty (30) days after the date of delivery of the foregoing statement, Tenant shall pay to Landlord the balance of the amounts, if any, required to be paid pursuant to the above provisions of this Section 2.7 with respect to the preceding Tax Year year or fraction thereof, or Landlord shall credit any amounts due from it to Tenant pursuant to the provisions of this Section 2.7 against (xi) monthly installments of fixed rent next thereafter coming due or (yii) any sums then due from Tenant to Landlord under this Lease (or refund such portion of the over-payment as aforesaid if the Term has ended and Tenant has no further obligation to Landlord). In the event Landlord succeeds in obtaining a reduction of such real estate taxes, rates or assessments with respect to a real estate tax fiscal year as to which Tenant contributed Tenant's share of Landlord's Tax Expenses, then, Tenant shall be entitled to receive its proportionate share of the net amount of any refund received or reduction obtained by Landlord to the extent allocable to the Term of this Lease. Tenant's entitlement to such refund amount shall survive the expiration of the Term. Landlord will, upon the written request of Tenant, who together with other tenants lease at least fifty (50%) of the Total Rentable Floor Area of the Complex, at Landlord's election either (i) apply for an abatement of real estate taxes or (ii) allow such tenants to apply for abatements in their own name, or in Landlord's name, at their own cost (subject to such tenants' right to recover such costs on a first dollar basis from the abatement proceeds, if any). If such tenants apply for an abatement of real estate taxes, then Landlord shall have the right to be involved in each step of the abatement process, including, without limitation, Landlord's right to approve all filings in connection with such abatement proceedings (such approval not to be unreasonably withheld) and the right to attend all meetings between Tenant and its representatives and the representatives of the Town of Bedford. In addition, payments by Tenant on account of Landlord's Tax Expenses Allocable to the Premises increases in real estate taxes anticipated for the then current year shall be made monthly at the time and in the fashion herein provided for the payment of fixed rent. The amount so to be paid to Landlord shall be an amount reasonably estimated by Landlord to be sufficient to provide Landlord, in the aggregate, a sum equal to LandlordTenant's Tax Expenses Allocable to the Premisesshare of such increases, at least ten (10) days before the day on which such payments by Landlord would become delinquent. To the extent that real estate taxes shall be payable to the taxing authority in installments with respect to periods less than a Tax Year, the foregoing statement shall be rendered and payments made on account of such installments. Notwithstanding the foregoing provisions, no decrease in Landlord's Tax Expenses with respect to any Tax Year shall result in a reduction of the amount otherwise payable by Tenant if and to the extent said decrease is attributable to vacancies in the Building or partial completion of the Building rather than to any other causes. Terms used herein are defined as follows:

Real Estate Taxes. For each If with respect to any full Tax Year or fraction of a Tax Year falling within the Term, Landlord’s Tax Expenses Allocable to the Premises as hereinafter defined for a full Tax Year exceed Base Taxes Allocable to the Premises, or for any such fraction of a Tax Year exceed the corresponding fraction of Base Taxes Allocable to the Premises then, on or before the thirtieth (30th) day following receipt by Tenant of the certified statement referred to below in this Section 2.7, then Tenant shall pay to Landlord, as Additional Rent, the Landlord's Tax Expenses Allocable to the Premises for amount of such corresponding Tax Year, and for each fraction of a Tax Year falling within the Term at the beginning or end thereof, Tenant shall pay to Landlord, as Additional Rent, the product of (i) such Applicable fraction of a Tax Year and (ii) the Landlord's Tax Expenses Allocable to the Premises for the Tax Year in which said fraction occursexcess. Not later than ninety (90) days after Landlord's ’s Tax Expenses Allocable to the Premises are determined for the first such Tax Year or fraction thereof and for each succeeding Tax Year or fraction thereof during the Term, Landlord shall render Tenant a statement in reasonable detail certified by a representative of Landlord showing for the preceding year or fraction thereof, as the case may be, real estate taxes on the Buildings Building and the Site and abatements and refunds of any taxes and assessments. Expenditures for legal fees and for other expenses incurred in seeking the tax refund or abatement may be charged against the tax refund or abatement before the adjustments are made for the Tax Year. Only Landlord shall have the right to institute tax reduction or other proceedings to reduce real estate taxes or the valuation of the Building and the Site. Said statement to be rendered to Tenant shall also show for the preceding Tax Year or fraction thereof as the case may be the amounts of real estate taxes already paid by Tenant Xxxxxx as Additional Rent, and the amount of real estate taxes remaining due from, or overpaid by, Tenant for the year or other period covered by the statement. Within thirty (30) days after the date of delivery of the foregoing statement, Tenant shall pay to Landlord the balance of the amounts, if any, required to be paid pursuant to the above provisions of this Section 2.7 with respect to the preceding Tax Year or fraction thereof, or Landlord shall credit any amounts due from it to Tenant pursuant to the provisions of this Section 2.7 against (xi) monthly installments of fixed rent next thereafter coming due or (yii) any sums then due from Tenant to Landlord under this Lease (or refund such portion of the over-payment as aforesaid if the Term has ended and Tenant has no further obligation to Landlord). In the event Landlord succeeds in obtaining a reduction of such real estate taxes, rates or assessments with respect to a real estate tax fiscal year as to which Tenant contributed Tenant's share of Landlord's Tax Expenses, then, Tenant shall be entitled to receive its proportionate share of the net amount of any refund received or reduction obtained by Landlord to the extent allocable to the Term of this Lease. Tenant's entitlement to such refund amount shall survive the expiration of the Term. Landlord will, upon the written request of Tenant, who together with other tenants lease at least fifty (50%) of the Total Rentable Floor Area of the Complex, at Landlord's election either (i) apply for an abatement of real estate taxes or (ii) allow such tenants to apply for abatements in their own name, or in Landlord's name, at their own cost (subject to such tenants' right to recover such costs on a first dollar basis from the abatement proceeds, if any). If such tenants apply for an abatement of real estate taxes, then Landlord shall have the right to be involved in each step of the abatement process, including, without limitation, Landlord's right to approve all filings in connection with such abatement proceedings (such approval not to be unreasonably withheld) and the right to attend all meetings between Tenant and its representatives and the representatives of the Town of Bedford. In addition, payments by Tenant on account of Landlord's Tax Expenses Allocable to the Premises increases in real estate taxes anticipated for the then current year shall be made monthly at the time and in the fashion herein provided for the payment of fixed rent. The amount so to be paid to Landlord shall be an amount reasonably estimated by Landlord to be sufficient to provide Landlord, in the aggregate, a sum equal to Landlord's Tax Expenses Allocable to the PremisesTenant’s share of such increases, at least ten (10) days before the day on which such payments by Landlord would become delinquent. To the extent that real estate taxes shall be payable to the taxing authority in installments with respect to periods less than a Tax Year, the foregoing statement shall be rendered and payments made on account of such installments. Terms used herein are defined as follows:

Real Estate Taxes. For each Tax Year falling within the Term, Tenant Borrower shall pay and discharge, and shall cause its Subsidiaries to Landlordpay and discharge, as Additional Rentand when due and payable, the Landlord's Tax Expenses Allocable before any penalty attaches, all charges, impositions, levies, assessments and taxes (whether general, special or otherwise), water charges, sewer service charges and all other municipal or governmental charges, impositions, levies, assessments and taxes of any kind or nature that may be at any time levied, assessed or imposed upon or against any real property owned in fee by any Subsidiary or in which any Subsidiary has a leasehold interest (but only to the Premises for extent Borrower or any Subsidiary is required to pay such corresponding Tax Yeartaxes in accordance with the terms of the lease), and for each fraction shall promptly deliver to Collateral Agent upon Collateral Agent’s request therefor, duplicate receipts evidencing payment thereof prior to delinquency. Notwithstanding anything to the contrary in the foregoing, Borrower may contest any tax imposed, assessed, levied or due with respect to or from said real property, by instituting and diligently and in good faith prosecuting by appropriate judicial proceedings the validity or amount of a Tax Year falling within the Term at the beginning tax, charge, imposition or end thereofassessment (said tax, Tenant shall pay charge, imposition or assessment being hereinafter referred to Landlord, in this Section as Additional Rent, the product of “impositions”) if (i) the contest or decision relating thereto will not and cannot result in the forfeiture of said real property or the Subsidiary’s leasehold interest therein prior to or pending resolution of such Applicable fraction contest and the invalidity, forfeiture, loss of a Tax Year priority or unenforceability of Collateral Agent’s mortgage lien on said real property or the Subsidiary’s leasehold interest therein will not and cannot result from such contest or failure to pay such impositions, (ii) the Landlord's Tax Expenses Allocable no Event of Default shall exist hereunder, and (iii) prior to the Premises for the Tax Year in which said fraction occurs. Not later than ninety (90) days after Landlord's Tax Expenses Allocable to the Premises are determined for the first such Tax Year or fraction thereof commencement and for each succeeding Tax Year or fraction thereof during the Termduration of such proceeding, Landlord Borrower shall render Tenant a statement maintain adequate reserves on account of the failure to pay such imposition and/or the contest of the amount and/or validity thereof in reasonable detail certified by a representative accordance with GAAP. Upon resolution of Landlord showing for such contest, Borrower shall promptly pay the impositions then due. If, at any time during the continuance of the contest described in the preceding year sentence, said real property or fraction thereofthe Subsidiary’s leasehold interest therein is, as in Collateral Agent’s reasonable determination, in imminent danger of being forfeited, lost or rendered invalid or unenforceable, then, in any of said events, Borrower shall, at Collateral Agent’s demand, use the case may beaforesaid reserve to pay such impositions and if such reserve is insufficient to pay in full the required payment, real estate taxes on the Buildings and the Site and abatements and refunds of any taxes and assessments. Expenditures for legal fees and for other expenses incurred in seeking the tax refund or abatement may be charged against the tax refund or abatement before the adjustments are made for the Tax Year. Said statement to be rendered to Tenant Borrower promptly shall also show for the preceding Tax Year or fraction thereof as the case may be the amounts of real estate taxes already paid by Tenant as Additional Rent, and pay the amount of real estate taxes remaining due from, or overpaid by, Tenant for the year or other period covered by the statement. Within thirty (30) days after the date of delivery of the foregoing statement, Tenant shall pay to Landlord the balance of the amounts, if any, required to be paid pursuant to the above provisions of this Section 2.7 with respect to the preceding Tax Year or fraction thereof, or Landlord shall credit any amounts due from it to Tenant pursuant to the provisions of this Section 2.7 against (x) monthly installments of fixed rent next thereafter coming due or (y) any sums then due from Tenant to Landlord under this Lease (or refund such portion of the over-payment as aforesaid if the Term has ended and Tenant has no further obligation to Landlord). In the event Landlord succeeds in obtaining a reduction of such real estate taxes, rates or assessments with respect to a real estate tax fiscal year as to which Tenant contributed Tenant's share of Landlord's Tax Expenses, then, Tenant shall be entitled to receive its proportionate share of the net amount of any refund received or reduction obtained by Landlord to the extent allocable to the Term of this Lease. Tenant's entitlement to such refund amount shall survive the expiration of the Term. Landlord will, upon the written request of Tenant, who together with other tenants lease at least fifty (50%) of the Total Rentable Floor Area of the Complex, at Landlord's election either (i) apply for an abatement of real estate taxes or (ii) allow such tenants to apply for abatements in their own name, or in Landlord's name, at their own cost (subject to such tenants' right to recover such costs on a first dollar basis from the abatement proceeds, if any). If such tenants apply for an abatement of real estate taxes, then Landlord shall have the right to be involved in each step of the abatement process, including, without limitation, Landlord's right to approve all filings in connection with such abatement proceedings (such approval not to be unreasonably withheld) and the right to attend all meetings between Tenant and its representatives and the representatives of the Town of Bedford. In addition, payments by Tenant on account of Landlord's Tax Expenses Allocable to the Premises anticipated for the then current year shall be made monthly at the time and in the fashion herein provided for the payment of fixed rent. The amount so to be paid to Landlord shall be an amount reasonably estimated by Landlord to be sufficient to provide Landlord, in the aggregate, a sum equal to Landlord's Tax Expenses Allocable to the Premises, at least ten (10) days before the day on which such payments by Landlord would become delinquent. To the extent that real estate taxes shall be payable to the taxing authority in installments with respect to periods less than a Tax Year, the foregoing statement shall be rendered and payments made on account of such installments. Terms used herein are defined as follows:insufficiency.

Real Estate Taxes. For each If with respect to any full Tax Year or fraction of a Tax Year falling within the Term, Landlord’s Tax Expenses Allocable to the Premises as hereinafter defined for a full Tax Year exceed Base Taxes Allocable to the Premises, or for any such fraction of a Tax Year exceed the corresponding fraction of Base Taxes Allocable to the Premises then, on or before the thirtieth (30th) day following receipt by Tenant of the certified statement referred to below in this Section 2.7, then Tenant shall pay to Landlord, as Additional Rent, the Landlord's Tax Expenses Allocable to the Premises for amount of such corresponding Tax Year, and for each fraction of a Tax Year falling within the Term at the beginning or end thereof, Tenant shall pay to Landlord, as Additional Rent, the product of (i) such Applicable fraction of a Tax Year and (ii) the Landlord's Tax Expenses Allocable to the Premises for the Tax Year in which said fraction occursexcess. Not later than ninety (90) days after Landlord's ’s Tax Expenses Allocable to the Premises are determined for the first such Tax Year or fraction thereof and for each succeeding Tax Year or fraction thereof during the Term, Landlord shall render Tenant a statement in reasonable detail certified by a representative of Landlord showing for the preceding year or fraction thereof, as the case may be, real estate taxes on the Buildings Building and the Site and abatements and refunds of any taxes and assessments. Expenditures for legal fees and for other expenses incurred in seeking the tax refund or abatement may be charged against the tax refund or abatement before the adjustments are made for the Tax Year. Said statement to be rendered to Tenant shall also show for the preceding Tax Year or fraction thereof as the case may be the amounts of real estate taxes already paid by Tenant as Additional Rent, and the amount of real estate taxes remaining due from, or overpaid by, Tenant for the year or other period covered by the statement. Within thirty (30) days after the date of delivery of the foregoing statement, Tenant shall pay to Landlord the balance of the amounts, if any, required to be paid pursuant to the above provisions of this Section 2.7 with respect to the preceding Tax Year or fraction thereof, or Landlord shall credit any amounts due from it to Tenant pursuant to the provisions of this Section 2.7 against (xi) monthly installments of fixed rent next thereafter coming due or (yii) any sums then due from Tenant to Landlord under this Lease (or refund such portion of the over-payment as aforesaid if the Term has ended and Tenant has no further obligation to Landlord). In the event Landlord succeeds in obtaining a reduction of such real estate taxes, rates or assessments with respect to a real estate tax fiscal year as to which Tenant contributed Tenant's share of Landlord's Tax Expenses, then, Tenant shall be entitled to receive its proportionate share of the net amount of any refund received or reduction obtained by Landlord to the extent allocable to the Term of this Lease. Tenant's entitlement to such refund amount shall survive the expiration of the Term. Landlord will, upon the written request of Tenant, who together with other tenants lease at least fifty (50%) of the Total Rentable Floor Area of the Complex, at Landlord's election either (i) apply for an abatement of real estate taxes or (ii) allow such tenants to apply for abatements in their own name, or in Landlord's name, at their own cost (subject to such tenants' right to recover such costs on a first dollar basis from the abatement proceeds, if any). If such tenants apply for an abatement of real estate taxes, then Landlord shall have the right to be involved in each step of the abatement process, including, without limitation, Landlord's right to approve all filings in connection with such abatement proceedings (such approval not to be unreasonably withheld) and the right to attend all meetings between Tenant and its representatives and the representatives of the Town of Bedford. In addition, payments by Tenant on account of Landlord's Tax Expenses Allocable to the Premises increases in real estate taxes anticipated for the then current year shall be made monthly at the time and in the fashion herein provided for the payment of fixed rent. The amount so to be paid to Landlord shall be an amount reasonably estimated by Landlord to be sufficient to provide Landlord, in the aggregate, a sum equal to Landlord's Tax Expenses Allocable to the PremisesTenant’s share of such increases, at least ten (10) days before the day on which such payments by Landlord would become delinquent. To the extent that real estate taxes shall be payable to the taxing authority in installments with respect to periods less than a Tax Year, the foregoing statement shall be rendered and payments made on account of such installments. Terms used herein are defined as follows:

Real Estate Taxes. For each Tax Year falling within the TermReal estate or ad valorem real property taxes, Tenant shall pay to Landlord, as Additional Rent, the Landlord's Tax Expenses Allocable to the Premises for such corresponding Tax Year, assessments (including installments of business improvement district charges and for each fraction of a Tax Year falling within the Term at the beginning or end thereof, Tenant shall pay to Landlord, as Additional Rent, the product of (i) such Applicable fraction of a Tax Year principal and (ii) the Landlord's Tax Expenses Allocable to the Premises for the Tax Year in which said fraction occurs. Not later than ninety (90) days after Landlord's Tax Expenses Allocable to the Premises are determined for the first such Tax Year or fraction thereof and for each succeeding Tax Year or fraction thereof during the Term, Landlord shall render Tenant a statement in reasonable detail certified by a representative of Landlord showing for the preceding year or fraction thereof, as the case may be, real estate taxes interest installments due on the Buildings and the Site and abatements and refunds of any taxes and assessments. Expenditures for legal fees and for other expenses incurred in seeking the tax refund or abatement may be charged against the tax refund or abatement before the adjustments are made for the Tax Year. Said statement to be rendered to Tenant shall also show for the preceding Tax Year or fraction thereof as the case may be the amounts of real estate taxes already paid by Tenant as Additional Rent, and the amount of real estate taxes remaining due from, or overpaid by, Tenant for the year or other period covered by the statement. Within thirty (30) days after the date of delivery of the foregoing statement, Tenant shall pay to Landlord the balance of the amountslocal improvement district liens, if any, required to be paid pursuant to the above provisions of this Section 2.7 ) and personal property taxes with respect to the preceding Tax Year or fraction thereofProperty (collectively, or Landlord "Real Estate Taxes") shall credit any amounts due from it to Tenant pursuant be prorated based upon the latest available tax bill, such that Contributors shall be responsible for all Real Esxxxx Taxes levied against the Property for the period prior to the provisions of this Section 2.7 Adjustment Time and CBL/OP shall be responsible for all Real Estate Taxes levied against the Property for the period from and after the Adjustment Time. If the latest available tax bill is not the bill for the current tax year, then Real Estate Txxxx shall be prxxxxed based upon the latest tax information then available (xincluding previous tax bills, current assessments and other information available from the taxing authorities) monthly installments of fixed rent next thereafter coming due and CBL/OP and Contributors shall re-prorate the Real Estate Taxes following the Closing as soon as the current tax bill or (y) any sums then due from Tenant to Landlord under this Lease (or refund such portion other current information becomes available. Any increase xx Real Estate Taxes which is assessed following the Closing arising out of the over-payment as aforesaid if sale of the Term has ended Real Property to CBL/OP or a subsequent sale or change in ownership thereafter, and/or arising out of any construction or improvements to the Real Property prior to or following the Closing, shall be paid by CBL/OP when assessed. Refunds of Real Estate Taxes for the Real Estate Tax year in which the Closing occurs, net of the costs of pursuing any tax contest or protest proceedings and Tenant has no further obligation collecting such refunds, shall be prorated in proportion to Landlord). In the event Landlord succeeds in obtaining a reduction respective shares of such real estate taxes, rates or assessments with respect Real Estate Taxes borne by Contributors and CBL/OP hereunder. The rights of Contributors and CBL/OP to a real estate tax fiscal year as to which Tenant contributed Tenant's share of Landlord's Tax Expenses, then, Tenant shall be entitled to receive its proportionate share of the net amount their respective shares of any refund received or reduction obtained by Landlord of Real Estate Taxes shall be subject to the extent allocable to the Term of this Lease. Tenant's entitlement to such refund amount shall survive the expiration rights of the Term. Landlord willTenants under the Tenant Leases in regard to Overage Rents, upon the written request and any portion of Tenant, who together with other tenants lease at least fifty (50%) of the Total Rentable Floor Area of the Complex, at Landlord's election either (i) apply for an abatement of real estate taxes or (ii) allow such tenants any refund to apply for abatements in their own name, or in Landlord's name, at their own cost (subject to such tenants' right to recover such costs on a first dollar basis from the abatement proceeds, if any). If such tenants apply for an abatement of real estate taxes, then Landlord which any Tenant is entitled shall have the right to be involved in each step of the abatement process, including, without limitation, Landlord's right to approve all filings in connection with such abatement proceedings (such approval not to be unreasonably withheld) and the right to attend all meetings between Tenant and its representatives and the representatives of the Town of Bedford. In addition, payments by Tenant on account of Landlord's Tax Expenses Allocable to the Premises anticipated for the then current year shall be made monthly at the time and in the fashion herein provided for the payment of fixed rent. The amount so to be paid to Landlord shall be an amount reasonably estimated by Landlord CBL/OP (even if the refund pertains to be sufficient a period prior to provide LandlordClosing) and CBL/OP covenants to promptly refund (or, in the aggregateCBL/OP's case, a sum equal to Landlord's Tax Expenses Allocable credit) to the PremisesTenants any refund of Real Estate Taxes due the Tenants. Notwithstanding any statement herein to the contrary, at least ten (10) days before the day on which such payments by Landlord would become delinquent. To the extent parties agree that real estate taxes shall be payable prorated on the basis that Property Owner/Contributors is/are responsible for taxes and assessments relating to periods prior to the Closing and CBL/OP is responsible for taxes and assessments relating to periods from the Closing and thereafter, and the parties further agree that this tax proration shall apply regardless of whether the taxing authority assesses taxes in installments with respect to periods less than a Tax Yeararrears, the foregoing statement shall be rendered and payments made on account of such installments. Terms used herein are defined as follows:currently or prospectively.

Real Estate Taxes. For each If with respect to any full Tax Year or fraction of a Tax Year falling within the Term, Landlord’s Tax Expenses Allocable to the Premises as hereinafter defined for a full Tax Year exceed Base Taxes Allocable to the Premises, or for any such fraction of a Tax Year exceed the corresponding fraction of Base Taxes Allocable to the Premises then, on or before the thirtieth (30th) day following receipt by Tenant of the certified statement referred to below in this Section 2.7, then Tenant shall pay to Landlord, as Additional Rent, the Landlord's Tax Expenses Allocable to the Premises for amount of such corresponding Tax Year, and for each fraction of a Tax Year falling within the Term excess. Such payments shall be made at the beginning or end thereof, Tenant shall pay to Landlord, as Additional Rent, times and in the product of (i) such Applicable fraction of a Tax Year and (ii) the Landlord's Tax Expenses Allocable to the Premises for the Tax Year manner hereinafter provided in which said fraction occursthis Section 2.7. Not later than ninety (90) days after Landlord's ’s Tax Expenses Allocable to the Premises are determined for the first such Tax Year or fraction thereof and for each succeeding Tax Year or fraction thereof during the Term, Landlord shall render Tenant a statement in reasonable detail certified by a representative of Landlord showing for the preceding year or fraction thereof, as the case may be, real estate taxes on the Buildings Building and the Site and abatements and refunds of any taxes and assessments. Expenditures for legal fees and for other expenses incurred in seeking the tax refund or abatement may be charged against the tax refund or abatement before the adjustments are made for the Tax Year. Said statement to be rendered to Tenant shall also show for the preceding Tax Year or fraction thereof as the case may be the amounts of real estate taxes already paid by Tenant as Additional Rent, and the amount of real estate taxes remaining due from, or overpaid by, Tenant for the year or other period covered by the statement. Within thirty (30) days after the date of delivery of the foregoing statement, Tenant shall pay to Landlord the balance of the amounts, if any, required to be paid pursuant to the above provisions of this Section 2.7 with respect to the preceding Tax Year or fraction thereof, or Landlord shall credit any amounts due from it to Tenant pursuant to the provisions of this Section 2.7 against (xi) monthly installments of fixed rent next thereafter coming due or (yii) any sums then due from Tenant to Landlord under this Lease (or refund such portion of the over-payment as aforesaid if the Term has ended and net of any sums then due from Tenant has no further obligation to Landlord). In the event Landlord succeeds in obtaining a reduction of such real estate taxes, rates or assessments with respect to a real estate tax fiscal year as to which Tenant contributed Tenant's share of Landlord's Tax Expenses, then, Tenant shall be entitled to receive its proportionate share of the net amount of any refund received or reduction obtained by Landlord to the extent allocable to the Term of this Lease. Tenant's entitlement to such refund amount shall survive the expiration of the Term. Landlord will, upon the written request of Tenant, who together with other tenants lease at least fifty (50%) of the Total Rentable Floor Area of the Complex, at Landlord's election either (i) apply for an abatement of real estate taxes or (ii) allow such tenants to apply for abatements in their own name, or in Landlord's name, at their own cost (subject to such tenants' right to recover such costs on a first dollar basis from the abatement proceeds, if any). If such tenants apply for an abatement of real estate taxes, then Landlord shall have the right to be involved in each step of the abatement process, including, without limitation, Landlord's right to approve all filings in connection with such abatement proceedings (such approval not to be unreasonably withheld) and the right to attend all meetings between Tenant and its representatives and the representatives of the Town of Bedford. In addition, payments by Tenant on account of Landlord's Tax Expenses Allocable to the Premises increases in real estate taxes anticipated for the then current year shall be made monthly at the time and in the fashion herein provided for the payment of fixed rent. The amount so to be paid to Landlord shall be an amount reasonably estimated by Landlord to be sufficient to provide Landlord, in the aggregate, a sum equal to Landlord's Tax Expenses Allocable to the PremisesTenant’s share of such increases, at least ten (10) days before the day on which such payments by Landlord would become delinquent. To the extent that real estate taxes shall be payable to the taxing authority in installments with respect to periods less than a Tax Year, the foregoing statement shall be rendered and payments made on account of such installments. Terms used herein are defined as follows:

Real Estate Taxes. For each Tax Year falling within (A) On or before the Termthirtieth (30th) day following receipt by Tenant of the certified statement referred to below in this Section 2.7, Tenant shall pay to Landlord, as Additional Rent, the amount of Landlord's ’s Tax Expenses Allocable to the Premises for such corresponding Tax Year, and for each fraction of a Tax Year falling within the Term at the beginning or end thereof, Tenant shall pay to Landlord, as Additional Rent, the product of (i) such Applicable fraction of a Tax Year and (ii) the Landlord's Tax Expenses Allocable to the Premises for the Tax Year in which said fraction occursExpenses. Not later than ninety (90) days after Landlord's ’s Tax Expenses Allocable to the Premises are determined for the first such any Tax Year or fraction thereof within the Term and for each succeeding Tax Year or fraction thereof during the Term, Landlord shall render Tenant a statement in reasonable detail certified by a representative of Landlord showing for the preceding year or fraction thereof, as the case may be, real estate taxes on the Buildings and the Site and abatements and refunds of any taxes and assessments. Expenditures for reasonable out-of-pocket legal fees and for other reasonable out-of-pocket expenses incurred in seeking the tax refund or abatement may be charged against the tax refund or abatement before the adjustments are made for the Tax Year. Said statement to be rendered to Tenant shall also show for the preceding Tax Year or fraction thereof as the case may be the amounts of real estate taxes already paid by Tenant Xxxxxx as Additional Rent, and the amount of real estate taxes remaining due from, or overpaid by, Tenant for the year or other period covered by the statement. Within thirty (30) days after the date of delivery of the foregoing statement, Tenant shall pay to Landlord the balance of the amounts, if any, required to be paid pursuant to the above provisions of this Section 2.7 with respect to the preceding Tax Year or fraction thereof, or Landlord shall credit any amounts due from it to Tenant pursuant to the provisions of this Section 2.7 against (xi) monthly installments of fixed rent next thereafter coming due or (yii) any sums then due from Tenant to Landlord under this Lease (or refund such portion of the over-payment in the 30-day period as aforesaid if the Term has ended and Tenant has no further obligation to Landlord). In the event Landlord succeeds in obtaining a reduction of such real estate taxes, rates or assessments with respect to a real estate tax fiscal year as to which Tenant contributed Tenant's share of Landlord's Tax Expenses, then, Tenant shall be entitled to receive its proportionate share of the net amount of any refund received or reduction obtained by Landlord to the extent allocable to the Term of this Lease. Tenant's entitlement to such refund amount shall survive the expiration of the Term. Landlord will, upon the written request of Tenant, who together with other tenants lease at least fifty (50%) of the Total Rentable Floor Area of the Complex, at Landlord's election either (i) apply for an abatement of real estate taxes or (ii) allow such tenants to apply for abatements in their own name, or in Landlord's name, at their own cost (subject to such tenants' right to recover such costs on a first dollar basis from the abatement proceeds, if any). If such tenants apply for an abatement of real estate taxes, then Landlord shall have the right to be involved in each step of the abatement process, including, without limitation, Landlord's right to approve all filings in connection with such abatement proceedings (such approval not to be unreasonably withheld) and the right to attend all meetings between Tenant and its representatives and the representatives of the Town of Bedford. In addition, payments by Tenant on account of Landlord's Tax Expenses Allocable to the Premises anticipated for the then current year shall be made monthly at the time and in the fashion herein provided for the payment of fixed rent. The amount so to be paid to Landlord shall be an amount reasonably estimated by Landlord to be sufficient to provide Landlord, in the aggregate, a sum equal to Landlord's Tax Expenses Allocable to the Premises, at least ten (10) days before the day on which such payments by Landlord would become delinquent. To the extent that real estate taxes shall be payable to the taxing authority in installments with respect to periods less than a Tax Year, the foregoing statement shall be rendered and payments made on account of such installments. Terms used herein are defined as follows:.

Real Estate Taxes. For each If Taxes (as hereinafter defined) assessed against the Property (or estimated to be due by governmental authority) for any fiscal tax period (a “Tax Year falling Year”) during the term of this Lease shall exceed Base Taxes, whether due to increase in rate or reassessment of the Property, or both, Tenant shall reimburse Landlord, as Additional Rent, in an amount equal to Tenant’s Percentage of any such excess (such amount being hereinafter referred to as the “Tax Excess”). Except as otherwise provided in the immediately following paragraph, Tenant shall pay the Tax Excess to Landlord within thirty (30) days after delivery to Tenant of a year-end statement of the Term, Taxes and Tax Excess for the preceding Tax Year. Tenant shall pay to Landlord, as Additional Rent commencing on the Rent Commencement Date and thereafter on the first day of each calendar month during the term but otherwise in the manner provided for the payment of Annual Fixed Rent, estimated payments on account of the Landlord's Tax Expenses Allocable Excess, such monthly amounts to be sufficient to provide Landlord by the time Tax payments are due or are to be made by Landlord a sum equal to the Premises Tax Excess, as reasonably estimated by Landlord from time to time on account of Taxes for the then current Tax Year. If the total of such monthly remittances for any Tax Year is greater than the Tax Excess for such corresponding Tax Year, Landlord shall credit such overpayment against Tenant’s subsequent obligations on account of Taxes (or promptly refund such overpayment if the term of this Lease has ended and Tenant has no further obligations to Landlord); if the total of such remittances is less than the Tax Excess for each fraction of a such Tax Year falling within the Term at the beginning or end thereofYear, Tenant shall pay the difference to Landlord, as Additional Rent, the product of Landlord within ten (i) such Applicable fraction of a Tax Year and (ii) the Landlord's Tax Expenses Allocable to the Premises for the Tax Year in which said fraction occurs. Not later than ninety (9010) days after being so notified by Landlord's . If, after Tenant shall have made all payments due to Landlord pursuant to this Subsection 4.2.1, Landlord shall receive a refund of any portion of Taxes as a result of an abatement of such Taxes by legal proceedings, settlement or otherwise (without either party having any obligation to undertake any such proceedings), Landlord shall pay or credit to Tenant Tenant’s Percentage of that percentage of the refund (after first deducting any reasonable expenses, including attorneys’, consultants’ and appraisers’ fees, incurred in connection with obtaining any such refund) which equals the percentage of the applicable Tax Expenses Allocable Year included in the term hereof, provided however, in no event shall Tenant be entitled to receive more than the Premises are determined for the first sum of payments actually made by Tenant on account of Taxes with respect to such Tax Year or fraction thereof and to receive any payment if Taxes for each succeeding any Tax Year are less than Base Taxes. In the event that Tenant’s obligation to pay Additional Rent for Taxes shall commence, or the term of this Lease shall expire or be terminated during any Tax Year, or should the Tax Year or fraction thereof period of assessment of real estate taxes be changed or be more or less than one (1) year, or should Tenant’s Percentage be modified during any Tax Year due to a change in the Term, Landlord shall render Tenant a statement in reasonable detail certified by a representative rentable area of Landlord showing for the preceding year Building and/or the Premises or fraction thereofotherwise, as the case may be, real estate taxes on then the Buildings and the Site and abatements and refunds amount of any taxes and assessments. Expenditures for legal fees and for other expenses incurred in seeking the tax refund or abatement Tax Excess which may be charged against the tax refund or abatement before the adjustments are made for the Tax Year. Said statement to be rendered to Tenant shall also show for the preceding Tax Year or fraction thereof as the case may be the amounts of real estate taxes already paid otherwise payable by Tenant as Additional Rent, and the amount of real estate taxes remaining due from, or overpaid by, Tenant for the year or other period covered by the statement. Within thirty (30) days after the date of delivery of the foregoing statement, Tenant shall pay to Landlord the balance of the amounts, if any, required to be paid pursuant to the above provisions of provided in this Section 2.7 with respect to the preceding Tax Year or fraction thereof, or Landlord shall credit any amounts due from it to Tenant pursuant to the provisions of this Section 2.7 against (x) monthly installments of fixed rent next thereafter coming due or (y) any sums then due from Tenant to Landlord under this Lease (or refund such portion of the over-payment as aforesaid if the Term has ended and Tenant has no further obligation to Landlord). In the event Landlord succeeds in obtaining a reduction of such real estate taxes, rates or assessments with respect to a real estate tax fiscal year as to which Tenant contributed Tenant's share of Landlord's Tax Expenses, then, Tenant Subsection 4.2.1 shall be entitled to receive its proportionate share of the net amount of any refund received or reduction obtained by Landlord to the extent allocable to the Term of this Lease. Tenant's entitlement to such refund amount shall survive the expiration of the Term. Landlord will, upon the written request of Tenant, who together with other tenants lease at least fifty (50%) of the Total Rentable Floor Area of the Complex, at Landlord's election either (i) apply for an abatement of real estate taxes or (ii) allow such tenants to apply for abatements in their own name, or in Landlord's name, at their own cost (subject to such tenants' right to recover such costs pro-rated on a first dollar daily basis from the abatement proceeds, if any). If such tenants apply for an abatement of real estate taxes, then Landlord shall have the right to be involved in each step of the abatement process, including, without limitation, Landlord's right to approve all filings in connection with such abatement proceedings (such approval not to be unreasonably withheld) and the right to attend all meetings between Tenant and its representatives and the representatives of the Town of Bedford. In addition, payments by Tenant based on account of Landlord's Tax Expenses Allocable to the Premises anticipated for the then current year shall be made monthly at the time and in the fashion herein provided for the payment of fixed rent. The amount so to be paid to Landlord shall be an amount reasonably estimated by Landlord to be sufficient to provide Landlord, in the aggregate, a sum equal to Landlord's Tax Expenses Allocable to the Premises, at least ten (10) days before the 360 day on which such payments by Landlord would become delinquent. To the extent that real estate taxes shall be payable to the taxing authority in installments with respect to periods less than a Tax Year, the foregoing statement shall be rendered and payments made on account of such installments. Terms used herein are defined as follows:.

Real Estate Taxes. For each If with respect to any full Tax Year or fraction of a Tax Year falling within the Term, Landlord’s Tax Expenses Allocable to the Premises as hereinafter defined for a full Tax Year exceed Base Taxes Allocable to the Premises, or for any such fraction of a Tax Year exceed the corresponding fraction of Base Taxes Allocable to the Premises (such amount being hereinafter referred to as the “Tax Excess”) then, on or before the thirtieth (30th) day following receipt by Tenant of the certified statement referred to below in this Section 2.7, then Tenant shall pay to Landlord, as Additional Rent, the Landlord's amount of such Tax Expenses Allocable to the Premises for such corresponding Tax Year, and for each fraction of a Tax Year falling within the Term at the beginning or end thereof, Tenant shall pay to Landlord, as Additional Rent, the product of (i) such Applicable fraction of a Tax Year and (ii) the Landlord's Tax Expenses Allocable to the Premises for the Tax Year in which said fraction occursExcess. Not later than ninety (90) days after Landlord's ’s Tax Expenses Allocable to the Premises are determined for the first such Tax Year or fraction thereof and for each succeeding Tax Year or fraction thereof during the Term, Landlord shall render Tenant a statement in reasonable detail certified by a representative of Landlord showing for the preceding year or fraction thereof, as the case may be, real estate taxes on the Buildings Building and the Site and Site, abatements and refunds of any taxes and assessments, expenditures incurred in seeking such abatement or refund, the amount of the Tax Excess, the amount thereof already paid by Tenant, the amount thereof overpaid by Tenant (if any) for the period covered by such statement, and the amount thereof remaining due from Tenant (if any) for the period covered by such statement. Expenditures for legal fees and for other expenses incurred in seeking the tax refund or abatement may be charged against the tax refund or abatement before the adjustments are made for the Tax Year. Said statement to be rendered to Tenant shall also show for the preceding Tax Year or fraction thereof as the case may be the amounts of real estate taxes already paid by Tenant as Additional Rent, and the amount of real estate taxes remaining due from, or overpaid by, Tenant for the year or other period covered by the statement. Within thirty (30) days after the date of delivery of the foregoing statement, Tenant shall pay to Landlord the balance of the amounts, if any, required to be paid pursuant to the above provisions of this Section 2.7 with respect to the preceding Tax Year or fraction thereof, or Landlord shall credit any amounts . Any balance shown as due from it to Tenant pursuant to the provisions of this Section 2.7 shall be credited against (xi) monthly installments of fixed rent next thereafter coming due or (yii) any sums then due from Tenant to Landlord under this Lease (or refund such portion of the over-payment as aforesaid refunded to Tenant if the Term has ended and Tenant has no further obligation to Landlord). In the event Landlord succeeds in obtaining a reduction of such real estate taxes, rates or assessments with respect to a real estate tax fiscal year as to which Tenant contributed Tenant's share of Landlord's Tax Expenses, then, Tenant shall be entitled to receive its proportionate share of the net amount of any refund received or reduction obtained by Landlord to the extent allocable to the Term of this Lease. Tenant's entitlement to such refund amount shall survive the expiration of the Term. Landlord will, upon the written request of Tenant, who together with other tenants lease at least fifty (50%) of the Total Rentable Floor Area of the Complex, at Landlord's election either (i) apply for an abatement of real estate taxes or (ii) allow such tenants to apply for abatements in their own name, or in Landlord's name, at their own cost (subject to such tenants' right to recover such costs on a first dollar basis from the abatement proceeds, if any). If such tenants apply for an abatement of real estate taxes, then Landlord shall have the right to be involved in each step of the abatement process, including, without limitation, Landlord's right to approve all filings in connection with such abatement proceedings (such approval not to be unreasonably withheld) and the right to attend all meetings between Tenant and its representatives and the representatives of the Town of Bedford. In addition, payments by Tenant on account of Landlord's Tax Expenses Allocable to the Premises increases in real estate taxes anticipated for the then current year shall be made monthly at the time and in the fashion herein provided for the payment of fixed rent. The amount so to be paid to Landlord shall be an amount reasonably estimated by Landlord to be sufficient to provide Landlord, in the aggregate, a sum equal to Landlord's Tax Expenses Allocable to the PremisesTenant’s share of such increases, at least ten (10) days before the day on which such payments by Landlord would become delinquent. To the extent that real estate taxes shall be payable to the taxing authority in installments with respect to periods less than a Tax Year, the foregoing statement shall be rendered and payments made on account of such installments. Terms used herein are defined as follows:

Real Estate Taxes. For each If with respect to any full Tax Year or fraction of a Tax Year falling within the Term, Landlord’s Tax Expenses Allocable to the Premises as hereinafter defined for a full Tax Year exceed Base Taxes Allocable to the Premises, or for any such fraction of a Tax Year exceed the corresponding fraction of Base Taxes Allocable to the Premises; then, on or before the thirtieth (30th) day following receipt by Tenant of the certified statement referred to below in this Section 2.7, then Tenant shall pay to Landlord, as Additional Rent, the Landlord's Tax Expenses Allocable to the Premises for amount of such corresponding Tax Year, and for each fraction of a Tax Year falling within the Term at the beginning or end thereof, Tenant shall pay to Landlord, as Additional Rent, the product of (i) such Applicable fraction of a Tax Year and (ii) the Landlord's Tax Expenses Allocable to the Premises for the Tax Year in which said fraction occursexcess. Not later than ninety (90) days after Landlord's ’s Tax Expenses Allocable to the Premises are determined for the first such Tax Year or fraction thereof and for each succeeding Tax Year or fraction thereof during the Term, Landlord shall render Tenant a statement in reasonable detail certified by a representative of Landlord showing for the preceding year or fraction thereof, as the case may be, real estate taxes on the Buildings Building and the Site and any abatements and refunds of any taxes and assessments. Upon request by Tenant, Landlord shall provide to Tenant a copy of the tax xxxx it used to prepare such statement. Expenditures for legal fees and for other expenses incurred in seeking the tax refund or abatement may be charged against the tax refund or abatement before the adjustments are made for the Tax Year. Said statement to be rendered to Tenant shall also show for the preceding Tax Year or fraction thereof as the case may be the amounts of real estate taxes already paid by Tenant as Additional Rent, and the amount of real estate taxes remaining due from, or overpaid by, Tenant for the year or other period covered by the statement. Within thirty (30) days after the date of delivery of the foregoing statement, Tenant shall pay to Landlord the balance of the amounts, if any, required to be paid pursuant to the above provisions of this Section 2.7 with respect to the preceding Tax Year or fraction thereof, or Landlord shall credit any amounts due from it to Tenant pursuant to the provisions of this Section 2.7 against (xi) monthly installments of fixed rent next thereafter coming due or (yii) any sums then due from Tenant to Landlord under this Lease (or refund such portion of the over-payment overpayment as aforesaid if the Term has ended and Tenant has no further obligation to Landlord). In the event Landlord succeeds in obtaining a reduction of such real estate taxes, rates or assessments with respect to a real estate tax fiscal year as to which Tenant contributed Tenant's share of Landlord's Tax Expenses, then, Tenant shall be entitled to receive its proportionate share of the net amount of any refund received or reduction obtained by Landlord to the extent allocable to the Term of this Lease. Tenant's entitlement to such refund amount shall survive the expiration of the Term. Landlord will, upon the written request of Tenant, who together with other tenants lease at least fifty (50%) of the Total Rentable Floor Area of the Complex, at Landlord's election either (i) apply for an abatement of real estate taxes or (ii) allow such tenants to apply for abatements in their own name, or in Landlord's name, at their own cost (subject to such tenants' right to recover such costs on a first dollar basis from the abatement proceeds, if any). If such tenants apply for an abatement of real estate taxes, then Landlord shall have the right to be involved in each step of the abatement process, including, without limitation, Landlord's right to approve all filings in connection with such abatement proceedings (such approval not to be unreasonably withheld) and the right to attend all meetings between Tenant and its representatives and the representatives of the Town of Bedford. In addition, payments by Tenant on account of Landlord's Tax Expenses Allocable to the Premises increases in real estate taxes anticipated for the then current year shall be made monthly at the time and in the fashion herein provided for the payment of fixed rent. The amount so to be paid to Landlord shall be an amount reasonably estimated by Landlord to be sufficient to provide Landlord, in the aggregate, a sum equal to Landlord's Tax Expenses Allocable to the PremisesTenant’s share of such increases, at least ten (10) days before the day on which such payments by Landlord would become delinquent. To the extent that real estate taxes shall be payable to the taxing authority in installments with respect to periods less than a Tax Year, the foregoing statement shall be rendered and payments made on account of such installments. Terms used herein are defined as follows:

Real Estate Taxes. For each Tax Year falling within the Term, Tenant shall pay to Landlord, as Additional Rent, the Landlord's Tax Expenses Allocable to the Premises for such corresponding Tax Year, and for each fraction of a Tax Year falling within the Term at the beginning or end thereof, Tenant shall pay to Landlord, as Additional Rent, the product of (i) such Applicable fraction of a Tax Year and (ii) the Landlord's Tax Expenses Allocable to the Premises for the Tax Year in which said fraction occurs. Not later than ninety (90) days after Landlord's Tax Expenses Allocable to the Premises are determined for the first such Tax Year or fraction thereof and for each succeeding Tax Year or fraction thereof during the Term, Landlord shall render Tenant a statement in reasonable detail certified by a representative of Landlord showing for the preceding year or fraction thereof, as the case may be, All real estate taxes on the Buildings and the Site and abatements and refunds of any taxes and assessments. Expenditures for legal fees and for other expenses incurred in seeking the tax refund or abatement may be charged levied against the tax refund Property (collectively, “Taxes”) shall be prorated between Buyer and Seller on a cash basis, (i.e. those Taxes for which final bills are issued in the calendar year in which the Closing occurs and that become due and payable in the year in which the Closing occurs will be prorated between Buyer and Seller regardless of the tax, fiscal or abatement before calendar year during which such Taxes accrued). If the adjustments are made actual amount of Taxes due and payable in the year of Closing is not ascertainable as of the Closing Date, proration of Taxes shall be based upon the most currently available xxxx for the Tax Year. Said statement to be rendered to Tenant shall also show for the preceding Tax Year or fraction thereof as the case may be the amounts of real estate taxes already paid by Tenant as Additional Rentsuch Taxes, and shall be reprorated when the amount of real estate taxes remaining due fromactual final xxxx is available, or overpaid byin accordance with Section 4.2.7. Such reproration obligation shall survive the Closing and shall not merge into any documentation delivered at Closing. Notwithstanding the foregoing, Tenant for the year or other period covered by the statement. Within thirty (30) days after the date of delivery of the foregoing statement, Tenant shall pay to Landlord the balance of the amounts, if any, required to be paid pursuant to the above provisions of this Section 2.7 with respect to the preceding Tax Year or fraction thereof, or Landlord shall credit any amounts due from it to Tenant pursuant but subject to the provisions of this Section 2.7 against (x) monthly installments of fixed rent next thereafter coming due or (y) any sums then due from Tenant to Landlord under this Lease (or refund such portion of the over-payment as aforesaid if the Term has ended and Tenant has 4.2.7, there will be no further obligation to Landlord). In the event Landlord succeeds in obtaining a reduction of such real estate taxes, rates or assessments with respect to a real estate tax fiscal year as to which Tenant contributed Tenant's share of Landlord's Tax Expenses, then, Tenant shall be entitled to receive its proportionate share of the net amount of any refund received or reduction obtained by Landlord proration for Taxes to the extent allocable a Project is leased to a single Tenant and such Tenant’s respective Lease requires that Tenant to pay Taxes, whether directly or by reimbursement to Seller, rather than paying estimated amounts therefor to Seller as additional rent. Buyer shall pay all Taxes due and payable after Closing, and reconciliations with Tenants for Taxes due and payable during calendar year 2005 shall be responsibility of Buyer post-Closing, pursuant to, and in accordance with, Section 4.2.7 below. In no event shall Seller be charged with or responsible for any increase in the Taxes resulting from an increase in the assessed valuation of any Project, which increase occurs as a result of the sale of the Property or from any improvements first made or Leases first entered into on or after the Closing Date; provided, however, that Seller nevertheless acknowledges that Taxes may increase due to changes in assessed valuation and/or in tax rates, without the change in assessed valuation being attributable to the Term sale of this Lease. Tenant's entitlement to such refund amount shall survive the expiration of the Term. Landlord will, upon the written request of Tenant, who together with other tenants lease at least fifty (50%) of the Total Rentable Floor Area of the Complex, at Landlord's election either (i) apply for an abatement of real estate taxes a Project or (ii) allow such tenants to apply for abatements in their own name, any post-Closing leasing or in Landlord's name, at their own cost (subject to such tenants' right to recover such costs on a first dollar basis from the abatement proceeds, if any). If such tenants apply for an abatement of real estate taxes, then Landlord shall have the right to be involved in each step of the abatement process, including, without limitation, Landlord's right to approve all filings in connection with such abatement proceedings (such approval not to be unreasonably withheld) and the right to attend all meetings between Tenant and its representatives and the representatives of the Town of Bedford. In addition, payments by Tenant on account of Landlord's Tax Expenses Allocable to the Premises anticipated for the then current year shall be made monthly at the time and in the fashion herein provided for the payment of fixed rent. The amount so to be paid to Landlord shall be an amount reasonably estimated by Landlord to be sufficient to provide Landlord, in the aggregate, a sum equal to Landlord's Tax Expenses Allocable to the Premises, at least ten (10) days before the day on which such payments by Landlord would become delinquent. To the extent that real estate taxes shall be payable to the taxing authority in installments with respect to periods less than a Tax Year, the foregoing statement shall be rendered and payments made on account of such installments. Terms used herein are defined as follows:improvements thereon.

Real Estate Taxes. For each If with respect to any full Tax Year or fraction of a Tax Year falling within the Term, Landlord's Tax Expenses Allocable to the Premises (as hereinafter defined) for a full Tax Year exceed Base Taxes Allocable to the Premises or for any such fraction of a Tax Year exceed the corresponding fraction of Base Taxes Allocable to the Premises (such amount being hereinafter sometimes referred to as the "Tax Excess") then, on or before the thirtieth (30th) day following receipt by Tenant of the certified statement referred to below in this Section 2.7, then Tenant shall pay to Landlord, as Additional Rent, the Landlord's Tax Expenses Allocable to the Premises for such corresponding Tax Year, and for each fraction amount of a Tax Year falling within the Term at the beginning or end thereof, Tenant shall pay to Landlord, as Additional Rent, the product of (i) such Applicable fraction of a Tax Year and (ii) the Landlord's Tax Expenses Allocable to the Premises for the Tax Year in which said fraction occursExcess. Not later than ninety (90) days after Landlord's Tax Expenses Allocable to the Premises are determined for the first such Tax Year or fraction thereof and for each succeeding Tax Year or fraction thereof during the Term, Landlord shall render Tenant a statement in reasonable detail certified by a representative of Landlord showing for the preceding year or fraction thereof, as the case may be, real estate taxes on the Buildings Building and the Site and abatements and refunds of any taxes and assessments. Expenditures for legal fees and for other expenses incurred in seeking the tax refund or abatement may be charged against the tax refund or abatement before the adjustments are made for the Tax Year. Said statement to be rendered to Tenant shall also show for the preceding Tax Year or fraction thereof as the case may be the amounts of real estate taxes already paid by Tenant as Additional Rent, and the amount of real estate taxes remaining due from, or overpaid by, Tenant for the year or other period covered by the statement. Within thirty (30) days after the date of delivery of the foregoing statement, Tenant shall pay to Landlord the balance of the amounts, if any, required to be paid pursuant to the above provisions of this Section 2.7 with respect to the preceding Tax Year or fraction thereof, or Landlord shall credit any amounts due from it to Tenant pursuant to the provisions of this Section 2.7 against (xi) monthly installments of fixed rent next thereafter coming due or (yii) any sums then due from Tenant to Landlord under this Lease (or refund such portion of the over-payment as aforesaid if the Term has ended and Tenant has no further obligation to Landlord). In the event Landlord succeeds in obtaining a reduction of such real estate taxes, rates or assessments with respect to a real estate tax fiscal year as to which Tenant contributed Tenant's share of Landlord's Tax Expenses, then, Tenant shall be entitled to receive its proportionate share of the net amount of any refund received or reduction obtained by Landlord to the extent allocable to the Term of this Lease. Tenant's entitlement to such refund amount shall survive the expiration of the Term. Landlord will, upon the written request of Tenant, who together with other tenants lease at least fifty (50%) of the Total Rentable Floor Area of the Complex, at Landlord's election either (i) apply for an abatement of real estate taxes or (ii) allow such tenants to apply for abatements in their own name, or in Landlord's name, at their own cost (subject to such tenants' right to recover such costs on a first dollar basis from the abatement proceeds, if any). If such tenants apply for an abatement of real estate taxes, then Landlord shall have the right to be involved in each step of the abatement process, including, without limitation, Landlord's right to approve all filings in connection with such abatement proceedings (such approval not to be unreasonably withheld) and the right to attend all meetings between Tenant and its representatives and the representatives of the Town of Bedford. In addition, payments by Tenant on account of Landlord's Tax Expenses Allocable to the Premises increases in real estate taxes anticipated for the then current year shall be made monthly at the time and in the fashion herein provided for the payment of fixed rent. The amount so to be paid to Landlord shall be an amount reasonably estimated by Landlord to be sufficient to provide Landlord, in the aggregate, a sum equal to LandlordTenant's Tax Expenses Allocable to the Premisesshare of such increases, at least ten (10) days before the day on which such payments by Landlord would become delinquent. To the extent that real estate taxes shall be payable to the taxing authority in installments with respect to periods less than a Tax Year, the foregoing statement shall be rendered and payments made on account of such installments. Notwithstanding the foregoing provisions, no decrease in Landlord's Tax Expenses with respect to any Tax Year shall result in a reduction of the amount otherwise payable by Tenant if and to the extent said decrease is attributable to vacancies in the Building or partial completion of the Building rather than to any other causes. Terms used herein are defined as follows:

Real Estate Taxes. For each Tax Year falling within the Term, Tenant shall pay to Landlord, as Additional Rent, an amount ("Tenant's Tax Share") equal to Tenant's Percentage of the Taxes (as hereinafter defined) due (or estimated to be due by governmental authority) for any fiscal tax period (a "Tax Year") during the term hereof. Except as otherwise provided in the immediately following paragraph, Tenant shall pay Tenant's Tax Share to Landlord at least ten (10) days prior to the date or dates within any year during the term hereof that the same, or any fractional share thereof, shall be due and payable to any governmental authority responsible for collection of same (as stated in a written notice to Tenant given at least twenty (20) days prior to the date or dates any such payment shall be due, which notice shall set forth the manner of computation of any Tenant's Tax Share due from Tenant), except that such payment shall be made to Landlord not later than ten (10) days after such notice to Tenant, if such notice is given subsequent to the date twenty days prior to the date the same is due and payable as aforesaid. At Landlord's Tax Expenses Allocable to the Premises for such corresponding Tax Year, and for each fraction of a Tax Year falling within the Term at the beginning or end thereofelection, Tenant shall pay to Landlord, as Additional Rent on the first day of each calendar month during the term but otherwise in the manner provided for the payment of Annual Fixed Rent, estimated payments on account of Tenant's Tax Share, such monthly amounts to be sufficient to provide Landlord by the product time Tax payments are due or are to be made by Landlord a sum equal to Tenant's Tax Share, as reasonably estimated by Landlord from time to time on account of (i) Taxes for the then current Tax Year. If the total of such Applicable fraction of a monthly remittances for any Tax Year and (ii) the Landlordis greater than Tenant's Tax Expenses Allocable Share for such Tax Year, Landlord shall credit such overpayment against Tenant's subsequent obligations on account of Taxes (or promptly refund such overpayment if the term of this Lease has ended and Tenant has no further obligations to Landlord); if the Premises total of such remittances is less than Tenant's Tax Share for such Tax Year, Tenant shall pay the Tax Year in which said fraction occurs. Not later than ninety difference to Landlord within ten (9010) days after being so notified in writing by Landlord. If, after Tenant shall have made all payments due to Landlord pursuant to this Section 4.3, Landlord shall receive a refund of any portion of Taxes as a result of an abatement of such Taxes by legal proceedings, settlement or otherwise (without either party having any obligation to undertake any such proceed ings), Landlord shall pay or credit to Tenant Tenant's Percentage of that percentage of the refund (after first deducting any reasonably incurred expenses, including attorneys', consultants' and appraisers' fees, incurred in connection with obtaining any such refund) which equals the percentage of the applicable Tax Expenses Allocable Year included in the term hereof, provided however, in no event shall Tenant be entitled to receive more than the Premises are determined for the first sum of payments actually made by Tenant on account of Taxes with respect to such Tax Year or fraction thereof and to receive any payment if Taxes for each succeeding any Tax Year are less than Base Taxes. In the event that the Commencement Date shall occur or the term of this Lease shall expire or be terminated during any Tax Year, or should the Tax Year or fraction thereof period of assessment of real estate taxes be changed or be more or less than one (1) year, or should Tenant's Percentage be modified during any Tax Year due to a change in the Term, Landlord shall render Tenant a statement in reasonable detail certified by a representative rentable area of Landlord showing for the preceding year Building and/or the Premises or fraction thereofotherwise, as the case may be, real estate taxes on then the Buildings and the Site and abatements and refunds amount of any taxes and assessments. Expenditures for legal fees and for other expenses incurred in seeking the tax refund or abatement Tenant's Tax Share which may be charged against the tax refund or abatement before the adjustments are made for the Tax Year. Said statement to be rendered to Tenant shall also show for the preceding Tax Year or fraction thereof as the case may be the amounts of real estate taxes already paid otherwise payable by Tenant as Additional Rent, and the amount of real estate taxes remaining due from, or overpaid by, Tenant for the year or other period covered by the statement. Within thirty (30) days after the date of delivery of the foregoing statement, Tenant shall pay to Landlord the balance of the amounts, if any, required to be paid pursuant to the above provisions of provided in this Section 2.7 with respect to the preceding Tax Year or fraction thereof, or Landlord shall credit any amounts due from it to Tenant pursuant to the provisions of this Section 2.7 against (x) monthly installments of fixed rent next thereafter coming due or (y) any sums then due from Tenant to Landlord under this Lease (or refund such portion of the over-payment as aforesaid if the Term has ended and Tenant has no further obligation to Landlord). In the event Landlord succeeds in obtaining a reduction of such real estate taxes, rates or assessments with respect to a real estate tax fiscal year as to which Tenant contributed Tenant's share of Landlord's Tax Expenses, then, Tenant 4.3 shall be entitled to receive its proportionate share of the net amount of any refund received or reduction obtained by Landlord to the extent allocable to the Term of this Lease. Tenant's entitlement to such refund amount shall survive the expiration of the Term. Landlord will, upon the written request of Tenant, who together with other tenants lease at least fifty (50%) of the Total Rentable Floor Area of the Complex, at Landlord's election either (i) apply for an abatement of real estate taxes or (ii) allow such tenants to apply for abatements in their own name, or in Landlord's name, at their own cost (subject to such tenants' right to recover such costs on a first dollar basis from the abatement proceeds, if any). If such tenants apply for an abatement of real estate taxes, then Landlord shall have the right to be involved in each step of the abatement process, including, without limitation, Landlord's right to approve all filings in connection with such abatement proceedings (such approval not to be unreasonably withheld) appropriately apportioned and the right to attend all meetings between Tenant and its representatives and the representatives of the Town of Bedford. In addition, payments by Tenant on account of Landlord's Tax Expenses Allocable to the Premises anticipated for the then current year shall be made monthly at the time and in the fashion herein provided for the payment of fixed rent. The amount so to be paid to Landlord shall be an amount reasonably estimated by Landlord to be sufficient to provide Landlord, in the aggregate, a sum equal to Landlord's Tax Expenses Allocable to the Premises, at least ten (10) days before the day on which such payments by Landlord would become delinquent. To the extent that real estate taxes shall be payable to the taxing authority in installments with respect to periods less than a Tax Year, the foregoing statement shall be rendered and payments made on account of such installments. Terms used herein are defined as follows:adjusted.

Real Estate Taxes. For each If with respect to any full Tax Year or fraction of a Tax Year falling within the Term, Landlord’s Tax Expenses Allocable to the Premises as hereinafter defined for a full Tax Year exceed Base Taxes Allocable to the Premises, or for any such fraction of a Tax Year exceed the corresponding fraction of Base Taxes Allocable to the Premises then Tenant shall pay to Landlord, as Additional Rent, the Landlord's Tax Expenses Allocable to the Premises for amount of such corresponding Tax Year, and for each fraction of a Tax Year falling within the Term excess. Such payment shall be made at the beginning or end thereof, Tenant shall pay to Landlord, as Additional Rent, the product of (i) such Applicable fraction of a Tax Year times and (ii) the Landlord's Tax Expenses Allocable to the Premises for the Tax Year manner hereinafter provided in which said fraction occursthis Section 2.7. Not later than ninety (90) days after Landlord's ’s Tax Expenses Allocable to the Premises are determined for the first such Tax Year or fraction thereof and for each succeeding Tax Year or fraction thereof during the Term, Landlord shall render Tenant a statement in reasonable detail certified by a representative of Landlord showing for the preceding year or fraction thereof, as the case may be, real estate taxes on the Buildings Building and the Site and abatements and refunds of any taxes and assessments. Expenditures for legal fees and for other expenses incurred in seeking the tax refund or abatement may be charged against the tax refund or abatement before the adjustments are made for the Tax Year. Only Landlord shall have the right to institute tax reduction or other proceedings to reduce real estate taxes or the valuation of the Building and the Site. Said statement to be rendered to Tenant shall also show for the preceding Tax Year or fraction thereof as the case may be the amounts of real estate taxes already paid by Tenant as Additional Rent, and the amount of real estate taxes remaining due from, or overpaid by, Tenant for the year or other period covered by the statement. Within thirty (30) days after the date of delivery of the foregoing statement, Tenant shall pay to Landlord the balance of the amounts, if any, required to be paid pursuant to the above provisions of this Section 2.7 with respect to the preceding Tax Year or fraction thereof, or Landlord shall credit any amounts due from it to Tenant pursuant to the provisions of this Section 2.7 against (xi) monthly installments of fixed rent next thereafter coming due or (yii) any sums then due from Tenant to Landlord under this Lease (or refund such portion of the over-payment as aforesaid if the Term has ended and ended, net of any amounts then due from Tenant has no further obligation to Landlord). In the event Landlord succeeds in obtaining a reduction of such real estate taxes, rates or assessments with respect to a real estate tax fiscal year as to which Tenant contributed Tenant's share of Landlord's Tax Expenses, then, Tenant shall be entitled to receive its proportionate share of the net amount of any refund received or reduction obtained by Landlord to the extent allocable to the Term of this Lease. Tenant's entitlement to such refund amount shall survive the expiration of the Term. Landlord will, upon the written request of Tenant, who together with other tenants lease at least fifty (50%) of the Total Rentable Floor Area of the Complex, at Landlord's election either (i) apply for an abatement of real estate taxes or (ii) allow such tenants to apply for abatements in their own name, or in Landlord's name, at their own cost (subject to such tenants' right to recover such costs on a first dollar basis from the abatement proceeds, if any). If such tenants apply for an abatement of real estate taxes, then Landlord shall have the right to be involved in each step of the abatement process, including, without limitation, Landlord's right to approve all filings in connection with such abatement proceedings (such approval not to be unreasonably withheld) and the right to attend all meetings between Tenant and its representatives and the representatives of the Town of Bedford. In addition, Estimated payments by Tenant on account of Landlord's Tax Expenses Allocable to the Premises increases in real estate taxes anticipated for the then current year shall be made monthly at the time and in the fashion herein provided for the payment of fixed rent. The amount so to be paid to Landlord shall be an amount reasonably estimated by Landlord to be sufficient to provide Landlord, in the aggregate, a sum equal to Landlord's Tax Expenses Allocable to the PremisesTenant’s share of such increases, at least ten (10) days before the day on which such payments by Landlord would become delinquent. To the extent that real estate taxes shall be payable to the taxing authority in installments with respect to periods less than a Tax Year, the foregoing statement shall be rendered and payments made on account of such installments. Terms used herein are defined as follows:.

Real Estate Taxes. For each If Taxes (as hereinafter defined) assessed against the Property (or estimated to be due by governmental authority) for any fiscal tax period (a “Tax Year falling within Year”) during the Termterm of this Lease shall exceed Base Taxes, whether due to increase in rate or reassessment of the Property, or both, Tenant shall reimburse Landlord, as Additional Rent, for Tenant’s Percentage of any such excess (such amount being hereinafter referred to as the “Tax Excess”). Tenant shall pay to Landlord, as Additional Rent on the first day of each calendar month during the term but otherwise in the manner provided for the payment of Annual Fixed Rent, estimated payments on account of the Landlord's Tax Expenses Allocable Excess, such monthly amounts to be sufficient to provide Landlord by the time Tax payments are due or are to be made by Landlord a sum equal to the Premises Tax Excess for such corresponding the then current Tax Year, and for as reasonably estimated by Landlord from time to time. Within a reasonable period of time after the end of each fraction of a Tax Year falling within the Term at the beginning or end thereof, Tenant shall pay to Landlord, as Additional Rent, the product of (i) such Applicable fraction of a Tax Year and (ii) the Landlord's Tax Expenses Allocable to the Premises for the Tax Year in which said fraction occurs. Not later than ninety (90) days after Landlord's Tax Expenses Allocable to the Premises are determined for the first such Tax Year or fraction thereof and for each succeeding Tax Year or fraction thereof during the Termterm, Landlord shall render give Tenant a statement in reasonable detail certified by a representative notice setting forth the amount of Landlord showing for the preceding year or fraction thereof, as the case may be, real estate taxes on the Buildings and the Site and abatements and refunds of any taxes and assessments. Expenditures for legal fees and for other expenses incurred in seeking the tax refund or abatement may be charged against the tax refund or abatement before the adjustments are made for the Tax Year. Said statement to be rendered to Tenant shall also show Taxes for the preceding Tax Year or fraction thereof as and a computation of any Tax Excess. If the case may be the amounts total of real estate taxes already paid by Tenant as Additional Rent, and the amount of real estate taxes remaining due from, or overpaid by, Tenant for the year or other period covered by the statement. Within thirty (30) days after the date of delivery Tenant’s monthly remittances on account of the foregoing statement, Tenant shall pay to Landlord the balance of the amounts, if any, required to be paid pursuant to the above provisions of this Section 2.7 with respect to the preceding Tax Excess for any Tax Year or fraction thereofis greater than the Tax Excess for such Tax Year, or Landlord shall credit any amounts due from it to Tenant pursuant to such overpayment against Tenant’s subsequent obligations on account of Taxes (or promptly refund such overpayment if the provisions term of this Section 2.7 against (x) monthly installments of fixed rent next thereafter coming due or (y) any sums then due from Tenant to Landlord under this Lease (or refund such portion of the over-payment as aforesaid if the Term has ended and Tenant has no further obligation obligations to Landlord). In ; if the event Landlord succeeds in obtaining a reduction total of such real estate taxes, rates or assessments with respect to a real estate tax fiscal year as to which Tenant contributed Tenant's share of Landlord's remittances is less than the Tax Expenses, thenExcess for such Tax Year, Tenant shall be entitled to receive its proportionate share of pay the net amount of any refund received or reduction obtained by Landlord to the extent allocable to the Term of this Lease. Tenant's entitlement to such refund amount shall survive the expiration of the Term. Landlord will, upon the written request of Tenant, who together with other tenants lease at least fifty (50%) of the Total Rentable Floor Area of the Complex, at Landlord's election either (i) apply for an abatement of real estate taxes or (ii) allow such tenants to apply for abatements in their own name, or in Landlord's name, at their own cost (subject to such tenants' right to recover such costs on a first dollar basis from the abatement proceeds, if any). If such tenants apply for an abatement of real estate taxes, then Landlord shall have the right to be involved in each step of the abatement process, including, without limitation, Landlord's right to approve all filings in connection with such abatement proceedings (such approval not to be unreasonably withheld) and the right to attend all meetings between Tenant and its representatives and the representatives of the Town of Bedford. In addition, payments by Tenant on account of Landlord's Tax Expenses Allocable to the Premises anticipated for the then current year shall be made monthly at the time and in the fashion herein provided for the payment of fixed rent. The amount so to be paid difference to Landlord shall be an amount reasonably estimated by Landlord to be sufficient to provide Landlord, in the aggregate, a sum equal to Landlord's Tax Expenses Allocable to the Premises, at least within ten (10) days before after being so notified by Landlord. If the day on which such payments by Landlord would become delinquent. To Commencement Date shall occur or the extent that term of this Lease shall expire or be terminated during any Tax Year, or the Tax Year or if the period of assessment of real estate taxes is changed or be more or less than one (1) year, or if Tenant’s Percentage is modified during any Tax Year due to a change in the rentable area of the Building and/or the Premises or otherwise, then the amount of Tax Excess which may be otherwise payable by Tenant as provided in this subsection 4.2.1 shall be payable to the taxing authority in installments with respect to periods less than pro-rated on a Tax Year, the foregoing statement shall be rendered and payments made on account of such installments. Terms used herein are defined as follows:daily basis based.

Real Estate Taxes. For each Tax Year falling within the Term, Tenant shall pay to Landlord, as Additional Rent, the Landlord's Tax Expenses Allocable to the Premises for such corresponding Tax Year, and for each fraction of a Tax Year falling within the Term at the beginning or end thereof, Tenant shall pay to Landlord, as Additional Rent, the product of (i) such Applicable fraction of a Tax Year and (ii) the Landlord's Tax Expenses Allocable to the Premises for the Tax Year in which said fraction occurs. Not later than ninety (90) days after Landlord's Tax Expenses Allocable to the Premises are determined for the first such Tax Year or fraction thereof and for each succeeding Tax Year or fraction thereof during the Term, Landlord shall render Tenant a statement in reasonable detail certified by a representative of Landlord showing for the preceding year or fraction thereof, as the case may be, real estate taxes on the Buildings and the Site and abatements and refunds of any taxes and assessments. Expenditures for legal fees and for other expenses incurred in seeking the tax refund or abatement may be charged against the tax refund or abatement before the adjustments are made for the Tax Year. Said statement to be rendered to Tenant shall also show for the preceding Tax Year or fraction thereof as the case may be the amounts of real estate taxes already paid by Tenant as Additional Rent, and the amount of real estate taxes remaining due from, or overpaid by, Tenant for the year or other period covered by the statement. Within thirty (30) days after the date of delivery of the foregoing statement, Tenant shall pay to Landlord as Additional Rent Tenant's Prorata Share (or, Tenant's Proportionate Share in the balance event there is more than one Building in the Center) of any increases in Landlord's Real Estate Taxes over Real Estate Taxes for the amountsBase Year levied against the Center. "Real Estate Taxes" shall mean: (a) all ad valorem Real Estate Taxes on the Center (adjusted after protest or litigation, if any) for any part of the term of this Lease, required exclusive of penalties; (b) any taxes which shall be levied in lieu of any such ad valorem Real Estate Taxes; (c) any special assessments for benefits on or to the Center paid in annual installments by Landlord; (d) occupational taxes or excise taxes levied on rentals derived from the operation of the property or the privilege of leasing property; (e) any private subdivision assessment made against the Center; and (f) the expense of protesting, negotiating or contesting the amount or validity of any such taxes, charges or assessments, such expense to be paid pursuant applicable to the above provisions period of this Section 2.7 with respect the item contested, protested or negotiated. If the Lease Term shall end during a tax year ("tax year" shall mean the annual period for which Real Estate Taxes are assessed and levied) of which only part is included in the Lease Term, the amount of such Additional Rent shall be prorated on a per diem basis and shall be paid on or before the last day of the Lease Term. If the Lease Term ends in any tax year before the amount to the preceding Tax Year or fraction thereof, or Landlord shall credit any amounts due from it to be payable by Tenant pursuant to has been determined under the provisions of this Section 2.7 against (x) monthly installments of fixed rent next thereafter coming due or (y) any sums then due from Tenant to Landlord under this Lease (or refund such Section, an amount payable for the portion of the over-payment as aforesaid if Lease Term during the Term has ended and Tenant has no further obligation to Landlord). In the event Landlord succeeds in obtaining a reduction of such real estate taxes, rates or assessments with respect to a real estate tax fiscal year as to which Tenant contributed Tenant's share of Landlord's Tax Expenses, then, Tenant shall be entitled to receive its proportionate share of the net amount of any refund received or reduction obtained by Landlord to the extent allocable to the Term of this Lease. Tenant's entitlement to such refund amount shall survive the expiration of the Term. Landlord will, upon the written request of Tenant, who together with other tenants lease at least fifty (50%) of the Total Rentable Floor Area of the Complex, at Landlord's election either (i) apply for an abatement of real estate taxes or (ii) allow such tenants to apply for abatements in their own name, or in Landlord's name, at their own cost (subject to such tenants' right to recover such costs on a first dollar basis from the abatement proceeds, if any). If such tenants apply for an abatement of real estate taxes, then Landlord shall have the right to be involved in each step of the abatement process, including, without limitation, Landlord's right to approve all filings in connection with such abatement proceedings (such approval not to be unreasonably withheld) and the right to attend all meetings between Tenant and its representatives and the representatives of the Town of Bedford. In addition, payments by Tenant on account of Landlord's Tax Expenses Allocable to the Premises anticipated for the then current year shall be made monthly at the time and in the fashion herein provided for the payment of fixed rent. The amount so to be paid to Landlord shall be an amount reasonably estimated by Landlord to and the estimated amount shall be sufficient to provide Landlordpromptly paid by Tenant. As soon as the amount properly payable by Tenant for the partial period has finally been determined, the amount shall be adjusted between Landlord and Tenant. Tenant shall be liable for all taxes levied against personal property and trade fixtures placed by Tenant in the aggregate, a sum equal to Landlord's Tax Expenses Allocable to the Premises, at least ten (10) days before the day on which such payments by Landlord would become delinquent. To the extent that real estate taxes shall be payable to the taxing authority in installments with respect to periods less than a Tax Year, the foregoing statement shall be rendered and payments made on account of such installments. Terms used herein are defined as follows:.

Real Estate Taxes. For each Tax Year falling within the Term, Tenant shall covenants to pay to Landlord, as Additional Rent, for each tax period partially or wholly included in the term, Tenant’s Percentage of Taxes (as hereinafter defined). Tenant shall remit to Landlord's Tax Expenses Allocable , on the first day of each calendar month, estimated payments on account of Taxes, such monthly amounts to be sufficient to provide Landlord, by the time real estate tax payments are due and payable to any governmental authority responsible for collection of same, a sum equal to the Premises Tenant’s Percentage of Taxes, as reasonably estimated by Landlord from time to time on the basis of the most recent tax data available. The initial calculation of the monthly estimated payments shall be based upon the Initial Estimate of Tenant’s Percentage of Taxes for the Tax Year and upon quarterly payments being due to the governmental authority on August 1, November 1, February 1 and May 1, and shall be made when the Commencement Date has been determined. If the total of such monthly remittances for any Tax Year is greater than the Tenant’s Percentage of Taxes for such corresponding Tax year, Landlord shall promptly pay to Tenant, or credit against the next accruing payments to be made by Tenant pursuant to this subsection 4.2.1, the difference; if the total of such remittances is less than the Tenant’s Percentage of Taxes for such Tax Year, and for each fraction of a Tax Year falling within the Term at the beginning or end thereof, Tenant shall pay the difference to LandlordLandlord at least ten (10) days prior to the date or dates within such Tax Year that any Taxes become due and payable to the governmental authority (but in any event no earlier than twenty (20) days following a written notice to Tenant, which notice shall set forth the manner of computation of Tenant’s Percentage of Taxes). This section shall survive the expiration or earlier termination of the Lease. If, after Tenant shall have made reimbursement to Landlord pursuant to this subsection 4.2.1, Landlord shall receive a refund of any portion of Taxes paid by Tenant with respect to any Tax Year during the term hereof as a result of an abatement of such Taxes by legal proceedings, settlement or otherwise (without either party having any obligation to undertake any such proceedings), Landlord shall promptly pay to Tenant, or credit against the next accruing payments to be made by Tenant pursuant to this subsection 4.2.1, the Tenant’s Percentage of the refund (less the proportional, pro rata expenses, including attorneys’ fees and appraisers’ fees, incurred in connection with obtaining any such refund), as Additional Rent, the product of (i) such Applicable fraction of a relates to Taxes paid by Tenant to Landlord with respect to any Tax Year and for which such refund is obtained. In the event this Lease shall commence, or shall end (ii) by reason of expiration of the Landlord's Tax Expenses Allocable term or earlier termination pursuant to the Premises for provisions hereof), on any date other than the first or last day of the Tax Year, or should the Tax Year in which said fraction occurs. Not later or period of assessment of real estate taxes be changed or be more or less than ninety one (901) days after Landlord's Tax Expenses Allocable to the Premises are determined for the first such Tax Year or fraction thereof and for each succeeding Tax Year or fraction thereof during the Term, Landlord shall render Tenant a statement in reasonable detail certified by a representative of Landlord showing for the preceding year or fraction thereofyear, as the case may be, real estate taxes on then the Buildings and the Site and abatements and refunds amount of any taxes and assessments. Expenditures for legal fees and for other expenses incurred in seeking the tax refund or abatement Taxes which may be charged against the tax refund or abatement before the adjustments are made for the Tax Year. Said statement to be rendered to Tenant shall also show for the preceding Tax Year or fraction thereof as the case may be the amounts of real estate taxes already paid payable by Tenant as Additional Rent, and the amount of real estate taxes remaining due from, or overpaid by, Tenant for the year or other period covered by the statement. Within thirty (30) days after the date of delivery of the foregoing statement, Tenant shall pay to Landlord the balance of the amounts, if any, required to be paid pursuant to the above provisions of provided in this Section 2.7 with respect to the preceding Tax Year or fraction thereof, or Landlord shall credit any amounts due from it to Tenant pursuant to the provisions of this Section 2.7 against (x) monthly installments of fixed rent next thereafter coming due or (y) any sums then due from Tenant to Landlord under this Lease (or refund such portion of the over-payment as aforesaid if the Term has ended and Tenant has no further obligation to Landlord). In the event Landlord succeeds in obtaining a reduction of such real estate taxes, rates or assessments with respect to a real estate tax fiscal year as to which Tenant contributed Tenant's share of Landlord's Tax Expenses, then, Tenant subsection 4.2.1 shall be entitled to receive its proportionate share of the net amount of any refund received or reduction obtained by Landlord to the extent allocable to the Term of this Lease. Tenant's entitlement to such refund amount shall survive the expiration of the Term. Landlord will, upon the written request of Tenant, who together with other tenants lease at least fifty (50%) of the Total Rentable Floor Area of the Complex, at Landlord's election either (i) apply for an abatement of real estate taxes or (ii) allow such tenants to apply for abatements in their own name, or in Landlord's name, at their own cost (subject to such tenants' right to recover such costs on a first dollar basis from the abatement proceeds, if any). If such tenants apply for an abatement of real estate taxes, then Landlord shall have the right to be involved in each step of the abatement process, including, without limitation, Landlord's right to approve all filings in connection with such abatement proceedings (such approval not to be unreasonably withheld) appropriately apportioned and the right to attend all meetings between Tenant and its representatives and the representatives of the Town of Bedford. In addition, payments by Tenant on account of Landlord's Tax Expenses Allocable to the Premises anticipated for the then current year shall be made monthly at the time and in the fashion herein provided for the payment of fixed rent. The amount so to be paid to Landlord shall be an amount reasonably estimated by Landlord to be sufficient to provide Landlord, in the aggregate, a sum equal to Landlord's Tax Expenses Allocable to the Premises, at least ten (10) days before the day on which such payments by Landlord would become delinquent. To the extent that real estate taxes shall be payable to the taxing authority in installments with respect to periods less than a Tax Year, the foregoing statement shall be rendered and payments made on account of such installments. Terms used herein are defined as follows:adjusted.

Real Estate Taxes. For Tenant shall pay to Landlord all Taxes levied or assessed by, or becoming payable to the municipality or any governmental authority having jurisdiction of the Property, for or in respect of the Premises the Property, for each period of the fiscal tax year (“Tax Year falling within Year”) partially or wholly included in the Term, payable in the manner hereinafter set forth. Tenant shall pay remit to Landlord, as Additional Rent, on the Landlord's Tax Expenses Allocable to first day of each calendar month, estimated payments on account of Taxes for the Premises for such corresponding Tax Year, such monthly amounts to be sufficient to provide Landlord, by the time real estate tax payments are due and payable to any governmental authority responsible for each fraction collection of same, a sum equal to the Taxes for the Tax Year, as reasonably estimated by Landlord from time to time on the basis of the most recent tax data available. The initial estimate of Taxes is $44,112.00 per month. Landlord shall provide Tenant with the fourth (4th) quarter Tax xxxx for fiscal year 2014 within forty-five (45) days after Landlord’s receipt of the same, along with a reconciliation statement in connection therewith. If the total of such monthly remittances for any Tax Year falling within is greater than the Term at actual Taxes for such Tax Year, Landlord shall promptly pay to Tenant, or credit against the beginning or end thereofnext accruing payments to be made by Tenant pursuant to this subsection 4.2.1, the difference; if the total of such remittances is less than the actual Taxes for such Tax Year, Tenant shall pay the difference to LandlordLandlord at least ten (10) days prior to the date or dates within such Tax Year that any Taxes become due and payable to the governmental authority (but in any event no earlier than ten (10) days following a written notice to Tenant, which notice shall set forth the manner of computation of Taxes). If, after Tenant shall have made reimbursement to Landlord pursuant to this subsection 4.2.1, Landlord shall receive a refund of any portion of Taxes paid by Tenant with respect to any Tax Year during the Term hereof as a result of an abatement of such Taxes by legal proceedings, settlement or otherwise (without either party having any obligation to undertake any such proceedings), Landlord shall promptly pay to Tenant, or credit against the next accruing payments to be made by Tenant pursuant to this subsection 4.2.2, the Tenant’s share of the refund (less the proportional expenses, including attorneys’ fees and appraisers’ fees, incurred in connection with obtaining any such refund), as Additional Rent, the product of (i) such Applicable fraction of a relates to Taxes paid by Tenant to Landlord with respect to any Tax Year and for which such refund is obtained. In the event this Lease shall commence, or shall end (ii) by reason of expiration of the Landlord's Tax Expenses Allocable Term or earlier termination pursuant to the Premises for provisions hereof), on any date other than the first or last day of the Tax Year, or should the Tax Year in which said fraction occurs. Not later or period of assessment of real estate taxes be changed or be more or less than ninety one (901) days after Landlord's Tax Expenses Allocable to the Premises are determined for the first such Tax Year or fraction thereof and for each succeeding Tax Year or fraction thereof during the Term, Landlord shall render Tenant a statement in reasonable detail certified by a representative of Landlord showing for the preceding year or fraction thereofyear, as the case may be, real estate taxes on then the Buildings and the Site and abatements and refunds amount of any taxes and assessments. Expenditures for legal fees and for other expenses incurred in seeking the tax refund or abatement Taxes which may be charged against the tax refund or abatement before the adjustments are made for the Tax Year. Said statement to be rendered to Tenant shall also show for the preceding Tax Year or fraction thereof as the case may be the amounts of real estate taxes already paid payable by Tenant as Additional Rent, and the amount of real estate taxes remaining due from, or overpaid by, Tenant for the year or other period covered by the statement. Within thirty (30) days after the date of delivery of the foregoing statement, Tenant shall pay to Landlord the balance of the amounts, if any, required to be paid pursuant to the above provisions of provided in this Section 2.7 with respect to the preceding Tax Year or fraction thereof, or Landlord shall credit any amounts due from it to Tenant pursuant to the provisions of this Section 2.7 against (x) monthly installments of fixed rent next thereafter coming due or (y) any sums then due from Tenant to Landlord under this Lease (or refund such portion of the over-payment as aforesaid if the Term has ended and Tenant has no further obligation to Landlord). In the event Landlord succeeds in obtaining a reduction of such real estate taxes, rates or assessments with respect to a real estate tax fiscal year as to which Tenant contributed Tenant's share of Landlord's Tax Expenses, then, Tenant subsection 4.2.2 shall be entitled to receive its proportionate share of the net amount of any refund received or reduction obtained by Landlord to the extent allocable to the Term of this Lease. Tenant's entitlement to such refund amount shall survive the expiration of the Term. Landlord will, upon the written request of Tenant, who together with other tenants lease at least fifty (50%) of the Total Rentable Floor Area of the Complex, at Landlord's election either (i) apply for an abatement of real estate taxes or (ii) allow such tenants to apply for abatements in their own name, or in Landlord's name, at their own cost (subject to such tenants' right to recover such costs on a first dollar basis from the abatement proceeds, if any). If such tenants apply for an abatement of real estate taxes, then Landlord shall have the right to be involved in each step of the abatement process, including, without limitation, Landlord's right to approve all filings in connection with such abatement proceedings (such approval not to be unreasonably withheld) appropriately apportioned and the right to attend all meetings between Tenant and its representatives and the representatives of the Town of Bedford. In addition, payments by Tenant on account of Landlord's Tax Expenses Allocable to the Premises anticipated for the then current year shall be made monthly at the time and in the fashion herein provided for the payment of fixed rent. The amount so to be paid to Landlord shall be an amount reasonably estimated by Landlord to be sufficient to provide Landlord, in the aggregate, a sum equal to Landlord's Tax Expenses Allocable to the Premises, at least ten (10) days before the day on which such payments by Landlord would become delinquent. To the extent that real estate taxes shall be payable to the taxing authority in installments with respect to periods less than a Tax Year, the foregoing statement shall be rendered and payments made on account of such installments. Terms used herein are defined as follows:adjusted.

Real Estate Taxes. For each Tax Year falling within the Term, Tenant shall pay to Landlord, as Additional Rentadditional rent, for each tax period partially or wholly included in the term, Tenant’s Percentage of Taxes (as hereinafter defined). Tenant shall remit to Landlord, on the first day of each calendar month, estimated payments on account of Taxes, such monthly amounts to be sufficient to provide Landlord, by the time real estate tax payments are due and payable to any governmental authority responsible for collection of same, a sum equal to the Tenant’s Percentage of Taxes, as reasonably estimated by Landlord from time to time on the basis of the most recent tax data available. The initial calculation of the monthly estimated payments shall be based upon the Initial Estimate of Tenant’s Percentage of Taxes for the Tax Year and upon quarterly payments being due to the governmental authority on August 1, November 1, February 1 and May 1, and shall be made when the Commencement Date has been determined. If the total of such monthly remittances for any Tax Year is greater than the Tenant’s Percentage of Taxes for such Tax year, Landlord shall promptly pay to Tenant, or credit against the next accruing payments to be made by Tenant pursuant to this subsection 4.2.1, the Landlord's Tax Expenses Allocable to difference; if the Premises total of such remittances is less than the Tenant’s Percentage of Taxes for such corresponding Tax Year, and for each fraction of a Tax Year falling within the Term at the beginning or end thereof, Tenant shall pay the difference to LandlordLandlord at least ten (10) days prior to the date or dates within such Tax Year that any Taxes become due and payable to the governmental authority (but in any event no earlier than ten (10) days following a written notice to Tenant, which notice shall set forth the manner of computation of Tenant’s Percentage of Taxes). If, after Tenant shall have made reimbursement to Landlord pursuant to this subsection 4.2.1, Landlord shall receive a refund of any portion of Taxes paid by Tenant with respect to any Tax Year during the term hereof as a result of an abatement of such Taxes by legal proceedings, settlement or otherwise (without either party having any obligation to undertake any such proceedings), Landlord shall promptly pay to Tenant, or credit against the next accruing payments to be made by Tenant pursuant to this subsection 4.2.1, the Tenant’s Percentage of the refund (less the proportional, pro rata expenses, including attorneys’ fees and appraisers’ fees, incurred in connection with obtaining any such refund), as Additional Rent, the product of (i) such Applicable fraction of a relates to Taxes paid by Tenant to Landlord with respect to any Tax Year and (ii) the Landlord's Tax Expenses Allocable to the Premises for which such refund is obtained. If Landlord does not pursue a tax abatement during the Tax Year in which said fraction occursquestion, Tenant shall have the right to do so in Landlord’s name and Landlord shall reasonably cooperate with Tenant in such effort, provided however, that Tenant shall give prior written notice to Landlord that Tenant elects to seek an abatement and provided, further, that all abatement proceedings are entirely at Tenant’s sole cost and expense. Not later than ninety In the event this Lease shall commence, or shall end (90) days after Landlord's Tax Expenses Allocable by reason of expiration of the term or earlier termination pursuant to the Premises are determined for provisions hereof), on any date other than the first such or last day of the Tax Year, or should the Tax Year or fraction thereof and for each succeeding Tax Year period of assessment of real estate taxes be changed or fraction thereof during the Term, Landlord shall render Tenant a statement in reasonable detail certified by a representative of Landlord showing for the preceding year be more or fraction thereofless than one (1) year, as the case may be, real estate taxes on then the Buildings and the Site and abatements and refunds amount of any taxes and assessments. Expenditures for legal fees and for other expenses incurred in seeking the tax refund or abatement Taxes which may be charged against the tax refund or abatement before the adjustments are made for the Tax Year. Said statement to be rendered to Tenant shall also show for the preceding Tax Year or fraction thereof as the case may be the amounts of real estate taxes already paid payable by Tenant as Additional Rent, and the amount of real estate taxes remaining due from, or overpaid by, Tenant for the year or other period covered by the statement. Within thirty (30) days after the date of delivery of the foregoing statement, Tenant shall pay to Landlord the balance of the amounts, if any, required to be paid pursuant to the above provisions of provided in this Section 2.7 with respect to the preceding Tax Year or fraction thereof, or Landlord shall credit any amounts due from it to Tenant pursuant to the provisions of this Section 2.7 against (x) monthly installments of fixed rent next thereafter coming due or (y) any sums then due from Tenant to Landlord under this Lease (or refund such portion of the over-payment as aforesaid if the Term has ended and Tenant has no further obligation to Landlord). In the event Landlord succeeds in obtaining a reduction of such real estate taxes, rates or assessments with respect to a real estate tax fiscal year as to which Tenant contributed Tenant's share of Landlord's Tax Expenses, then, Tenant subsection 4.2.1 shall be entitled to receive its proportionate share of the net amount of any refund received or reduction obtained by Landlord to the extent allocable to the Term of this Lease. Tenant's entitlement to such refund amount shall survive the expiration of the Term. Landlord will, upon the written request of Tenant, who together with other tenants lease at least fifty (50%) of the Total Rentable Floor Area of the Complex, at Landlord's election either (i) apply for an abatement of real estate taxes or (ii) allow such tenants to apply for abatements in their own name, or in Landlord's name, at their own cost (subject to such tenants' right to recover such costs on a first dollar basis from the abatement proceeds, if any). If such tenants apply for an abatement of real estate taxes, then Landlord shall have the right to be involved in each step of the abatement process, including, without limitation, Landlord's right to approve all filings in connection with such abatement proceedings (such approval not to be unreasonably withheld) appropriately apportioned and the right to attend all meetings between Tenant and its representatives and the representatives of the Town of Bedford. In addition, payments by Tenant on account of Landlord's Tax Expenses Allocable to the Premises anticipated for the then current year shall be made monthly at the time and in the fashion herein provided for the payment of fixed rent. The amount so to be paid to Landlord shall be an amount reasonably estimated by Landlord to be sufficient to provide Landlord, in the aggregate, a sum equal to Landlord's Tax Expenses Allocable to the Premises, at least ten (10) days before the day on which such payments by Landlord would become delinquent. To the extent that real estate taxes shall be payable to the taxing authority in installments with respect to periods less than a Tax Year, the foregoing statement shall be rendered and payments made on account of such installments. Terms used herein are defined as follows:adjusted.

Real Estate Taxes. For each If with respect to any full Tax Year or fraction of a Tax Year falling within the Term, Landlord’s Tax Expenses Allocable to the Premises as hereinafter defined for a full Tax Year exceed Base Taxes Allocable to the Premises, or for any such fraction of a Tax Year exceed the corresponding fraction of Base Taxes Allocable to the Premises then, on or before the thirtieth (30th) day following receipt by Tenant of the certified statement referred to below in this Section 2.7, Tenant shall pay to Landlord, as Additional Rent, the Landlord's Tax Expenses Allocable to the Premises for amount of such corresponding Tax Year, and for each fraction of a Tax Year falling within the Term at the beginning or end thereof, Tenant shall pay to Landlord, as Additional Rent, the product of (i) such Applicable fraction of a Tax Year and (ii) the Landlord's Tax Expenses Allocable to the Premises for the Tax Year in which said fraction occursexcess. Not later than ninety (90) days after Landlord's ’s Tax Expenses Allocable to the Premises are determined for the first such Tax Year or fraction thereof and for each succeeding Tax Year or fraction thereof during the Term, Landlord shall render Tenant a statement in reasonable detail certified by a representative of Landlord showing for the preceding year or fraction thereof, as the case may be, real estate taxes on the Buildings Building and the Site and abatements and refunds of any taxes and assessments. Expenditures for legal fees and for other expenses incurred in seeking obtaining the tax refund or abatement may be charged against the tax refund or abatement before the adjustments are made for the Tax Year. Said statement to be rendered to Tenant shall also show for the preceding Tax Year year or fraction thereof as the case may be the amounts of real estate taxes already paid by Tenant as Additional Rent, and the amount of real estate taxes remaining due from, or overpaid by, Tenant for the year or other period covered by the statement. Within thirty (30) days after the date of delivery of the foregoing statement, Tenant shall pay to Landlord the balance of the amounts, if any, required to be paid pursuant to the above provisions of this Section 2.7 with respect to the preceding Tax Year year or fraction thereof, or Landlord shall credit any amounts due from it to Tenant pursuant to the provisions of this Section 2.7 against (xi) monthly installments of fixed rent next thereafter coming due or (yii) any sums then due from Tenant to Landlord under this Lease (or refund such portion of the over-payment as aforesaid if the Term has ended and Tenant has no further obligation to Landlord). In To the event Landlord succeeds extent permitted by applicable law and provided there shall not then be existing an Event of Default, there is a minimum of twelve (12) full calendar months remaining in obtaining a reduction of such real estate taxes, rates or assessments with respect the Term (as it may have been extended) and Tenant has given prior written notice to a real estate tax fiscal year as to which Tenant contributed Tenant's share of Landlord's Tax Expenses, then, Tenant shall be entitled to receive its proportionate share of the net amount of any refund received or reduction obtained by Landlord to the extent allocable to the Term of this Lease. Tenant's entitlement to such refund amount shall survive the expiration of the Term. Landlord will, upon the written request of Tenant, who together with other tenants lease at least fifty (50%) of the Total Rentable Floor Area of the Complex, at Landlord's election either (i) apply for an abatement of real estate taxes or (ii) allow such tenants to apply for abatements in their own name, or in Landlord's name, at their own cost (subject to such tenants' right to recover such costs on a first dollar basis from the abatement proceeds, if any). If such tenants apply for an abatement of real estate taxes, then Landlord shall have the right to be involved contest the amount or validity, in each step whole or in part, of any of the abatement processreal estate taxes by appropriate proceedings diligently conducted in good faith; provided, includinghowever, without limitationthat as a continuing condition to such right, Landlord's right Tenant shall be required to approve make those payments respecting real state taxes as and at the times required by law notwithstanding any such contest. Tenant further agrees that each such contest shall be promptly and diligently prosecuted in good faith to a final conclusion except only as provided herein. Landlord agrees to cooperate with Tenant in any such proceeding provided that the same shall be at the sole cost and expense of Tenant. Tenant will pay and save Landlord harmless against any and all filings in connection with such abatement proceedings losses, judgments, decrees and costs incurred by Landlord (such approval not including reasonable attorneys’ fees) relating to be unreasonably withheld) the Premises and the right Term hereof and being the direct or proximate result of Tenant’s initiation of such contest and will, promptly after the final settlement, compromise or determination of such contest, fully pay and discharge Tenant’s obligations under this Section 2.7, together with all penalties, fines, interests, costs and expenses. Further, any such contest by Tenant shall not be discontinued unless and until Tenant has given to attend Landlord written notice of Tenant’s intent to so discontinue and if Landlord shall not by notice to Tenant (the “Assumption Notice”) within thirty (30) days after receipt of Tenant’s notice elect to assume, at Landlord’s sole cost and expense, the continued prosecution and conduct of such contest. In the event Landlord shall give such Assumption Notice, Tenant shall cooperate with Landlord in all meetings between respects as may be necessary for Landlord’s continuation of such contest, but Tenant shall have no other obligation for the prosecution and its representatives and the representatives conduct of the Town of Bedfordsuch contest. In addition, payments by Tenant on account of Landlord's Tax Expenses Allocable to the Premises increases in real estate taxes anticipated for the then current year shall be made monthly at the time and in the fashion herein provided for the payment of fixed rent. The amount so to be paid to Landlord shall be an amount reasonably estimated by Landlord to be sufficient to provide Landlord, in the aggregate, a sum equal to Landlord's Tax Expenses Allocable to the PremisesTenant’s share of such increases, at least ten (10) days before the day on which such payments by Landlord would become delinquent. To the extent that real estate taxes shall be payable to the taxing authority in installments with respect to periods less than a Tax Year, the foregoing statement shall be rendered and payments made on account of such installments. Notwithstanding the foregoing provisions, no decrease in Landlord’s Tax Expenses with respect to any Tax Year shall result in a reduction of the amount otherwise payable by Tenant if and to the extent said decrease is attributable to vacancies in the Building or partial completion of the Building rather than to any other causes. Terms used herein are defined as follows:

Real Estate Taxes. For each Tax Year falling within the Term, Tenant shall pay to Landlord, as Additional Rent, an amount ("Tenant's Tax Share") equal to Tenant's Percentage of the Taxes (as hereinafter defined) due (or estimated to be due by governmental authority) for any fiscal tax period (a "Tax Year") during the term hereof. Except as otherwise provided in the immediately following paragraph, Tenant shall pay Tenant's Tax Share to Landlord at least ten (10) days prior to the date or dates within any year during the term hereof that the same, or any fractional share thereof, shall be due and payable to any governmental authority responsible for collection of same (as stated in a written notice to Tenant given at least twenty (20) days prior to the date or dates any such payment shall be due, which notice shall set forth the manner of computation of any Tenant's Tax Share due from Tenant), except that such payment shall be made to Landlord not later than ten (10) days after such notice to Tenant, if such notice is given subsequent to the date twenty (20) days prior to the date the same is due and payable as aforesaid. At Landlord's Tax Expenses Allocable to the Premises for such corresponding Tax Year, and for each fraction of a Tax Year falling within the Term at the beginning or end thereofelection, Tenant shall pay to Landlord, as Additional Rent on the first day of each calendar month during the term but otherwise in the manner provided for the payment of Annual Fixed Rent, estimated payments on account of Tenant's Tax Share, such monthly amounts to be sufficient to provide Landlord by the product time Tax payments are due or are to be made by Landlord a sum equal to Tenant's Tax Share, as reasonably estimated by Landlord from time to time on account of (i) Taxes for the then current Tax Year. If the total of such Applicable fraction of a monthly remittances for any Tax Year and (ii) the Landlordis greater than Tenant's Tax Expenses Allocable Share for such Tax Year, Landlord shall credit such overpayment against Tenant's subsequent obligations on account of Taxes (or promptly refund such overpayment if the term of this Lease has ended and Tenant has no further obligations to Landlord); if the Premises total of such remittances is less than Tenant's Tax Share for such Tax Year, Tenant shall pay the difference to Landlord within ten (10) days after being so notified by Landlord. If, after Tenant shall have made all payments due to Landlord pursuant to this Section 4.3, Landlord shall receive a refund of any portion of Taxes as a result of an abatement of such Taxes by legal proceedings, settlement or otherwise (without either party having any obligation to undertake any such proceedings), Landlord shall pay or credit to Tenant Tenant's Percentage of that percentage of the refund (after first deducting any expenses, including attorneys', consultants' and appraisers' fees, incurred in connection with obtaining any such refund) which equals the percentage of the applicable Tax Year included in the term hereof, provided however, in no event shall Tenant be entitled to receive more than the sum of payments actually made by Tenant on account of Taxes with respect to such Tax Year. In the event that the Commencement Date shall occur or the term of this Lease shall expire or be terminated during any Tax Year, or should the Tax Year or period of assessment of real estate taxes be changed or be more or less than one (1) year, or should Tenant's Percentage be modified during any Tax Year due to a change in which said fraction occurs. Not later than ninety (90) days after Landlord's Tax Expenses Allocable to the rentable area of the Building and/or the Premises are determined for the first such Tax Year or fraction thereof and for each succeeding Tax Year or fraction thereof during the Term, Landlord shall render Tenant a statement in reasonable detail certified by a representative of Landlord showing for the preceding year or fraction thereofotherwise, as the case may be, real estate taxes on then the Buildings and the Site and abatements and refunds amount of any taxes and assessments. Expenditures for legal fees and for other expenses incurred in seeking the tax refund or abatement Tenant's Tax Share which may be charged against the tax refund or abatement before the adjustments are made for the Tax Year. Said statement to be rendered to Tenant shall also show for the preceding Tax Year or fraction thereof as the case may be the amounts of real estate taxes already paid otherwise payable by Tenant as Additional Rent, and the amount of real estate taxes remaining due from, or overpaid by, Tenant for the year or other period covered by the statement. Within thirty (30) days after the date of delivery of the foregoing statement, Tenant shall pay to Landlord the balance of the amounts, if any, required to be paid pursuant to the above provisions of provided in this Section 2.7 with respect to the preceding Tax Year or fraction thereof, or Landlord shall credit any amounts due from it to Tenant pursuant to the provisions of this Section 2.7 against (x) monthly installments of fixed rent next thereafter coming due or (y) any sums then due from Tenant to Landlord under this Lease (or refund such portion of the over-payment as aforesaid if the Term has ended and Tenant has no further obligation to Landlord). In the event Landlord succeeds in obtaining a reduction of such real estate taxes, rates or assessments with respect to a real estate tax fiscal year as to which Tenant contributed Tenant's share of Landlord's Tax Expenses, then, Tenant 4.3 shall be entitled to receive its proportionate share of the net amount of any refund received or reduction obtained by Landlord to the extent allocable to the Term of this Lease. Tenant's entitlement to such refund amount shall survive the expiration of the Term. Landlord will, upon the written request of Tenant, who together with other tenants lease at least fifty (50%) of the Total Rentable Floor Area of the Complex, at Landlord's election either (i) apply for an abatement of real estate taxes or (ii) allow such tenants to apply for abatements in their own name, or in Landlord's name, at their own cost (subject to such tenants' right to recover such costs pro-rated on a first dollar daily basis from the abatement proceeds, if any). If such tenants apply for an abatement of real estate taxes, then Landlord shall have the right to be involved in each step of the abatement process, including, without limitation, Landlord's right to approve all filings in connection with such abatement proceedings (such approval not to be unreasonably withheld) and the right to attend all meetings between Tenant and its representatives and the representatives of the Town of Bedford. In addition, payments by Tenant based on account of Landlord's Tax Expenses Allocable to the Premises anticipated for the then current year shall be made monthly at the time and in the fashion herein provided for the payment of fixed rent. The amount so to be paid to Landlord shall be an amount reasonably estimated by Landlord to be sufficient to provide Landlord, in the aggregate, a sum equal to Landlord's Tax Expenses Allocable to the Premises, at least ten (10) days before the 365 day on which such payments by Landlord would become delinquent. To the extent that real estate taxes shall be payable to the taxing authority in installments with respect to periods less than a Tax Year, the foregoing statement shall be rendered and payments made on account of such installments. Terms used herein are defined as follows:.

Real Estate Taxes. For each Tax Year falling within the Term, 10. (a) Tenant shall pay to the Landlord its proportionate share of any and all increases in Real Estate Taxes (as defined below) relating to the Premises that exceed the Real Estate Taxes paid during the base year of 2012 (the "Base Year”), within twenty (20) days’ written demand therefor, or the Landlord shall be entitled at any time or times in any calendar year, upon at least twenty (20) days’ prior written notice to the Tenant to require the Tenant to pay to the Landlord the estimated increase in said Real Estate Taxes (over the Base Year) for such calendar year in equal monthly installments. Such monthly amount shall be determined by dividing the estimated increase in the Real Estate Taxes (over the Base Year) by the number of months for the period from January 1st in each calendar year of the Term until the due date of the final installment of Real Estate Taxes as established by the applicable taxing authority from time to time in each calendar year (“Installment Period”) and shall be paid by the Tenant to the Landlord, monthly as Additional Rent, on the Landlord's Tax Expenses Allocable to date of payment of monthly rental payments during the Premises Installment Period. All amounts received under this provision in any calendar year on account of the estimated amount of such Real Estate Taxes shall be applied by the Landlord in payment of the actual amount of such increase in Real Estate Taxes for such corresponding Tax calendar year (over the Base Year) . If the amount received is less than the actual Real Estate Taxes, and for each fraction of a Tax Year falling within the Term at the beginning or end thereof, Tenant shall pay any deficiency to Landlord, the Landlord as Additional Rent, the product of Rent within twenty (i) such Applicable fraction of a Tax Year and (ii) the Landlord's Tax Expenses Allocable to the Premises for the Tax Year in which said fraction occurs. Not later than ninety (9020) days after Landlord's Tax Expenses Allocable to following receipt by the Premises are determined for the first such Tax Year or fraction thereof and for each succeeding Tax Year or fraction thereof during the Term, Landlord shall render Tenant a statement in reasonable detail certified by a representative of Landlord showing for the preceding year or fraction thereof, as the case may be, real estate taxes on the Buildings and the Site and abatements and refunds notice of any taxes and assessments. Expenditures for legal fees and for other expenses incurred in seeking the tax refund or abatement may be charged against the tax refund or abatement before the adjustments are made for the Tax Year. Said statement to be rendered to Tenant shall also show for the preceding Tax Year or fraction thereof as the case may be the amounts of real estate taxes already paid by Tenant as Additional Rent, and the amount of real estate taxes remaining due fromsuch deficiency. If the amount received is greater than the actual increase in Real Estate Taxes (over the Base Year), or overpaid by, the Landlord shall either refund the excess to the Tenant for the year or other period covered by the statement. Within thirty (30) days as soon as possible after the date of delivery end of the foregoing statement, Tenant shall pay to Landlord the balance calendar year in respect of the amounts, if any, required to be paid pursuant to the above provisions of this Section 2.7 with respect to the preceding Tax Year or fraction thereof, or Landlord shall credit any amounts due from it to Tenant pursuant to the provisions of this Section 2.7 against (x) monthly installments of fixed rent next thereafter coming due or (y) any sums then due from Tenant to Landlord under this Lease (or refund such portion of the over-payment as aforesaid if the Term has ended and Tenant has no further obligation to Landlord). In the event Landlord succeeds in obtaining a reduction of such real estate taxes, rates or assessments with respect to a real estate tax fiscal year as to which Tenant contributed Tenant's share of Landlord's Tax Expenses, then, Tenant shall be entitled to receive its proportionate share of the net amount of any refund received or reduction obtained by Landlord to the extent allocable to the Term of this Lease. Tenant's entitlement to such refund amount shall survive the expiration of the Term. Landlord will, upon the written request of Tenant, who together with other tenants lease at least fifty (50%) of the Total Rentable Floor Area of the Complex, at Landlord's election either (i) apply for an abatement of real estate taxes or (ii) allow such tenants to apply for abatements in their own name, or in Landlord's name, at their own cost (subject to such tenants' right to recover such costs on a first dollar basis from the abatement proceeds, if any). If such tenants apply for an abatement of real estate taxes, then Landlord shall have the right to be involved in each step of the abatement process, including, without limitation, Landlord's right to approve all filings in connection with such abatement proceedings (such approval not to be unreasonably withheld) and the right to attend all meetings between Tenant and its representatives and the representatives of the Town of Bedford. In addition, payments by Tenant on account of Landlord's Tax Expenses Allocable to the Premises anticipated for the then current year shall be made monthly at the time and in the fashion herein provided for the payment of fixed rent. The amount so to be paid to Landlord shall be an amount reasonably estimated by Landlord to be sufficient to provide Landlord, in the aggregate, a sum equal to Landlord's Tax Expenses Allocable to the Premises, at least ten (10) days before the day on which such payments by Landlord would become delinquent. To were made or, at the extent that real estate taxes Landlord’s option, shall be payable apply such excess against any amounts owing or becoming due to the taxing authority in installments with respect to periods less than a Tax Year, Landlord by the foregoing statement shall be rendered and payments made on account of such installments. Terms used herein are defined as follows:Tenant.

Real Estate Taxes. For each Tax Year falling within the Term, Tenant shall agrees to pay to Landlord, as Additional Rent, within five (5) days from the Landlordinvoice date, Tenant's Tax Expenses Allocable to Proportionate Share of the Premises for such corresponding Tax Yearamount of all real estate taxes, assessments (general and special), and for each fraction other charges which may be levied, assessed or charged against the real estate and Shopping Center (hereinafter called "real estate taxes"), accruing or becoming due and payable during the term of a Tax Year falling within the Term at the beginning or end this Lease and any extension thereof, . Tenant shall pay to Landlordits Proportionate Share of such real estate taxes, as Additional Rent, the product of (i) whether such Applicable fraction of a Tax Year and (ii) the Landlord's Tax Expenses Allocable real estate taxes are paid by Landlord prior to the Premises for Rent Commencement Date, during the Tax Year in which said fraction occurs. Not later than ninety (90) days after Landlord's Tax Expenses Allocable Term of this Lease or subsequent to the Premises are determined expiration of this Lease for all such real estate taxes which cover periods during the Term of this Lease. Real Estate Taxes shall be apportioned for the first and last years of the Term of this Lease so that Tenant's liability therefore shall be only for such Tax Year or fraction portions thereof and for each succeeding Tax Year or fraction thereof during as shall be attributable to the Term, Term of this Lease. Landlord shall render Tenant a statement in reasonable detail certified by a representative will annually estimate the amount of Landlord showing for the preceding year or fraction thereof, as the case may be, such real estate taxes on the Buildings and the Site and abatements and refunds will notify Tenant of any taxes and assessments. Expenditures for legal fees and for other expenses incurred in seeking the tax refund or abatement may its Proportionate Share of such estimate, which shall be charged against the tax refund or abatement before the adjustments are made for the Tax Year. Said statement to be rendered to Tenant shall also show for the preceding Tax Year or fraction thereof as the case may be the amounts of real estate taxes already paid by Tenant as Additional monthly along with the Minimum Rent; provided, and that in the event Landlord is required under any mortgage covering the Shopping Center to escrow any real estate taxes, Landlord may, but shall not be required to, use the amount required to be so escrowed as a basis for its estimate of the monthly installments, due from Tenant hereunder. If the total amount paid by Tenant under this Section 4.01B, during the applicable period of any such real estate tax with respect to any real estate tax component shall be less than the actual amount due from Tenant with respect to such real estate tax component, based upon the actual taxes remaining due from, or overpaid by, Tenant for the year or other period covered by the statement. Within thirty (30) days after the date of delivery of the foregoing statementdue, Tenant shall pay to Landlord the balance of difference between the amounts, if any, required amount paid by Tenant and the actual amount due; such deficiency to be paid pursuant to the above provisions of this Section 2.7 within thirty (30) days after demand therefor by Landlord; and if such total amount paid by Tenant hereunder with respect to the preceding Tax Year or fraction thereof, or Landlord any real estate tax component shall credit any amounts exceed such actual amount due from it Tenant with respect to Tenant pursuant to such real estate tax component, such excess shall be credited against the provisions next installment of this Section 2.7 against (x) monthly installments of fixed rent next thereafter coming due or (y) any sums then real estate taxes due from Tenant to Landlord under this Lease (or refund such portion hereunder. Landlord may at its option seek a reduction in the assessed valuation of the over-payment as aforesaid if the Term has ended and Tenant has no further obligation to Landlord). In the event Landlord succeeds in obtaining a reduction of such Shopping Center, other improvements or land adjacent thereto and/or contest any real estate taxes, rates assessments or assessments with respect other charges described in this Section. Landlord agrees to a real estate tax fiscal year use reasonable discretion in its decision as to which Tenant contributed Tenant's share of Landlord's Tax Expenses, then, Tenant shall be entitled to receive its proportionate share of whether it will pursue any tax reductions) during the net amount of any refund received or reduction obtained by Landlord to the extent allocable to the Term term of this Lease. Tenant's entitlement All attorneys' fees, costs and other expenses incurred as a result of such action by Landlord (including any surety bond, cash deposit or other security reasonably satisfactory to such refund amount Landlord) shall survive the expiration of the Term. Landlord will, upon the written request of Tenant, who together with other tenants lease at least fifty (50%) of the Total Rentable Floor Area of the Complex, at Landlord's election either (i) apply for an abatement of be deemed real estate taxes or payable (ii) allow such tenants to apply for abatements in their own name, or in Landlord's name, at their own cost (subject to such tenants' right to recover such costs on a first dollar basis from the abatement proceeds, if any). If such tenants apply for an abatement of real estate taxes, then Landlord shall have the right to be involved in each step of the abatement process, including, without limitation, Landlord's right to approve all filings in connection with such abatement proceedings (such approval not to be unreasonably withheld) and the right to attend all meetings between Tenant and its representatives and the representatives of the Town of Bedford. In addition, payments by Tenant on account of Landlord's Tax Expenses Allocable to the Premises anticipated for the then current year shall be made monthly at the time and in the fashion herein provided for the payment extent of fixed rent. The amount so to be paid to Landlord shall be an amount reasonably estimated by Landlord to be sufficient to provide Landlord, in the aggregate, a sum equal to Landlord's Tax Expenses Allocable to the Premises, at least ten (10) days before the day on which such payments by Landlord would become delinquent. To the extent that real estate taxes shall be payable to the taxing authority in installments with respect to periods less than a Tax Year, the foregoing statement shall be rendered and payments made on account of such installments. Terms used herein are defined as follows:Tenant's

Real Estate Taxes. For each If with respect to any full Tax Year or fraction of a Tax Year falling within the Term, Landlord's Tax Expenses Allocable to the Premises as hereinafter defined for a full Tax Year exceed $3.75 per square foot of Rentable Floor Area of the Premises, or for any such fraction of a Tax Year exceed the corresponding fraction of $3.75 per square foot of Rentable Floor Area of the Premises, then Tenant shall pay to Landlord, as Additional Rent, the Landlord's Tax Expenses Allocable to the Premises for amount of such corresponding Tax Year, and for each fraction of a Tax Year falling within the Term at the beginning or end thereof, Tenant shall pay to Landlord, as Additional Rent, the product of (i) such Applicable fraction of a Tax Year and (ii) the Landlord's Tax Expenses Allocable to the Premises for the Tax Year in which said fraction occursexcess. Not later than ninety (90) days after Landlord's Tax Expenses Allocable to the Premises are determined for the first such Tax Year or fraction thereof and for each succeeding Tax Year or fraction thereof during the Term, Landlord shall render Tenant a statement in reasonable detail certified by a representative of Landlord showing for the preceding year or fraction thereof, as the case may be, real estate taxes on the Buildings Building and the Site and abatements and refunds of any taxes and assessments. Expenditures for legal fees and for other expenses incurred in seeking obtaining the tax refund or abatement may be charged against the tax refund or abatement before the adjustments are made for the Tax Year. Said statement to be rendered to Tenant shall also show for the preceding Tax Year year or fraction thereof as the case may be the amounts of real estate taxes already paid by Tenant as Additional Rent, and the amount of real estate taxes remaining due from, or overpaid by, Tenant for the year or other period covered by the statement. Within thirty (30) days after the date of delivery of the foregoing statement, Tenant shall pay to Landlord the balance of the amounts, if any, required to be paid pursuant to the above provisions of this Section 2.7 with respect to the preceding Tax Year year or fraction thereof, or Landlord shall credit any amounts due from it to Tenant pursuant to the provisions of this Section 2.7 against (xi) monthly installments of fixed rent next thereafter coming due or (yii) any sums then due from Tenant to Landlord under this Lease (or refund within thirty (30) days such portion of the over-payment as aforesaid if the Term has ended and Tenant has no further obligation to Landlord). In the event Landlord succeeds in obtaining a reduction of such real estate taxes, rates or assessments with respect to a real estate tax fiscal year as to which Tenant contributed Tenant's share of Landlord's Tax Expenses, then, Tenant shall be entitled to receive its proportionate share of the net amount of any refund received or reduction obtained by Landlord to the extent allocable to the Term of this Lease. Tenant's entitlement to such refund amount shall survive the expiration of the Term. Landlord will, upon the written request of Tenant, who together with other tenants lease at least fifty (50%) of the Total Rentable Floor Area of the Complex, at Landlord's election either (i) apply for an abatement of real estate taxes or (ii) allow such tenants to apply for abatements in their own name, or in Landlord's name, at their own cost (subject to such tenants' right to recover such costs on a first dollar basis from the abatement proceeds, if any). If such tenants apply for an abatement of real estate taxes, then Landlord shall have the right to be involved in each step of the abatement process, including, without limitation, Landlord's right to approve all filings in connection with such abatement proceedings (such approval not to be unreasonably withheld) and the right to attend all meetings between Tenant and its representatives and the representatives of the Town of Bedford. In addition, payments by Tenant on account of Landlord's Tax Expenses Allocable to the Premises increases in real estate taxes anticipated for the then current year shall be made monthly at the time and in the fashion herein provided for the payment of fixed rent. The amount so to be paid to Landlord shall be an amount reasonably estimated by Landlord to be sufficient to provide Landlord, in the aggregate, a sum equal to LandlordTenant's Tax Expenses Allocable to the Premisesshare of such increases, at least ten (10) days before the day on which such payments by Landlord would become delinquent. To the extent that real estate taxes shall be payable to the taxing authority in installments with respect to periods less than a Tax Year, the foregoing statement shall be rendered and payments made on account of such installments. Notwithstanding the foregoing provisions, no decrease in Landlord's Tax Expenses with respect to any Tax Year shall result in a reduction of the amount otherwise payable by Tenant if and to the extent said decrease is attributable to vacancies in the Building or partial completion of the Building rather than to any other causes. Terms used herein are defined as follows:

Real Estate Taxes. For each Tax Year falling within Section 5.2(b) of the TermLease is amended and restated in full as follows: “Landlord may institute proceedings to reduce the assessed valuation of the Property or a portion thereof and, if Landlord fails to do so, Tenant shall pay may do so at Tenant’s discretion, upon written notice to Landlord, as Additional Rentwhereby Landlord may then elect at Landlord’s sole discretion to institute or substitute for Tenant in such proceedings or permit Tenant to continue with the proceedings. Landlord shall provide Tenant with a copy of any notices regarding assessments promptly upon receipt of same. Each party shall cooperate with the other in any such proceeding. If Landlord receives a refund of Taxes for any Comparison Year and provided that no Event of Default has occurred and is continuing, Landlord shall, at its election, either pay to Tenant, or credit against subsequent payments of Rent due hereunder, an amount equal to Tenant’s Proportionate Share of the Landlord's refund, net of any expenses incurred by Landlord in achieving such refund, which amount shall not exceed Tenant’s Tax Expenses Allocable to the Premises Payment paid for such corresponding Tax Comparison Year. Landlord shall not be obligated to file any application or institute any proceeding seeking a reduction in Taxes or the assessed valuation of the Property or any portion thereof. If Tenant initiates any such action, and for each fraction the assessed valuation of a Tax Year falling within the Term at the beginning or end thereofBuilding is reduced, Tenant shall pay to Landlord, as Additional Rent, the product of (i) such Applicable fraction of a Tax Year and (ii) the Landlord's Tax Expenses Allocable to the Premises for the Tax Year in which said fraction occurs. Not later than ninety (90) days after Landlord's Tax Expenses Allocable to the Premises are determined for the first such Tax Year or fraction thereof and for each succeeding Tax Year or fraction thereof during the Term, Landlord shall render Tenant a statement in reasonable detail certified by a representative of Landlord showing for the preceding year or fraction thereof, as the case may be, real estate taxes on the Buildings and the Site and abatements and refunds of any taxes and assessments. Expenditures for legal fees and for other Tenant’s expenses incurred in seeking reducing such Taxes shall be borne by Landlord, but any and all Tenant expenses to be borne by Landlord are capped at the tax refund actual reduction in Taxes on an annual basis. The benefit of any exemption or abatement may be charged against relating to all or any part of the tax refund Property shall accrue to the benefit of Landlord, except that, if and to the extent that any Tax exemption or abatement before is applicable to the adjustments are made for Property or any portion thereof in the Tax Base Year. Said statement , then the Taxes shall be deemed to be rendered “grossed up” to Tenant shall also show for the preceding Tax Year or fraction thereof as the case may be the amounts of real estate taxes already paid by Tenant as Additional Rent, and the amount of real estate taxes remaining due from, Taxes the Landlord would have paid without such exception or overpaid by, Tenant for the year or other period covered by the statementabatement. Within thirty (30) days after the date of delivery of the foregoing statement, Tenant shall pay to Landlord the balance of the amountsFurther, if any, required to be paid pursuant to such Taxes are so grossed up on the above provisions of this Section 2.7 with respect to the preceding Tax Year or fraction thereof, or Landlord shall credit any amounts due from it to Tenant pursuant to the provisions of this Section 2.7 against (x) monthly installments of fixed rent next thereafter coming due or (y) any sums then due from Tenant to Landlord under this Lease (or refund such portion of the over-payment as aforesaid if the Term has ended and Tenant has no further obligation to Landlord). In the event Landlord succeeds in obtaining a reduction of such real estate taxes, rates or assessments with respect to a real estate tax fiscal year as to which Tenant contributed Tenant's share of Landlord's Tax Expenses, then, Tenant shall be entitled to receive its proportionate share of the net amount of any refund received or reduction obtained by Landlord to the extent allocable to the Term of this Lease. Tenant's entitlement to such refund amount shall survive the expiration of the Term. Landlord will, upon the written request of Tenant, who together with other tenants lease at least fifty (50%) of the Total Rentable Floor Area of the Complex, at Landlord's election either (i) apply for an abatement of real estate taxes or (ii) allow such tenants to apply for abatements in their own name, or in Landlord's name, at their own cost (subject to such tenants' right to recover such costs on a first dollar basis from the abatement proceeds, if any). If such tenants apply for an abatement of real estate taxes, then Landlord shall have the right to be involved in each step of the abatement process, including, without limitation, Landlord's right to approve all filings in connection with such abatement proceedings (such approval not to be unreasonably withheld) and the right to attend all meetings between Tenant and its representatives and the representatives of the Town of Bedford. In addition, payments by Tenant on account of Landlord's Tax Expenses Allocable to the Premises anticipated for the then current year shall be made monthly at the time and in the fashion herein provided for the payment of fixed rent. The amount so to be paid to Landlord shall be an amount reasonably estimated by Landlord to be sufficient to provide Landlord, in the aggregate, a sum equal to Landlord's Tax Expenses Allocable to the Premises, at least ten (10) days before the day on which such payments by Landlord would become delinquent. To the extent that real estate taxes shall be payable to the taxing authority in installments with respect to periods less than a Tax Base Year, the foregoing statement Taxes shall be rendered and payments made on deemed to be grossed upon in any Comparison Year to which the same exception or abatement is applicable. Any exemption or abatement in any Comparison Year, but not in the Base Year, shall be taken into account of in calculating the Taxes in such installments. Terms used herein are defined as follows:Comparison Year”.

Real Estate Taxes. For each Tax Year falling within Prior to the Effective Date, Landlord shall make a mailing address change on the property tax records so that the tax bxxx and tax notices for the Premises will be mailed to Tenant at the address provided at Article 24. During the Term, Tenant shall pay directly to Landlord, as Additional Rentthe taxing authority on or before the due date, the Landlord's Tax Expenses Allocable “Real Estate Taxes affecting the Premises and the improvements thereon as they exist from time to time. Landlord shall promptly, upon receipt, provide the tax bills for the Premises and Premises Improvements to Tenant. “Real Estate Taxes” shall mean, to the Premises for such corresponding Tax Yearextent due and payable during the Term, all real estate taxes and/or assessments, ad valorem taxes, general and special assessments and special benefit taxes. In the case of general or special assessments or special benefit taxes, Tenant may pay the same in installments over the longest period allowed by applicable law, and for each fraction of a Tax Year only those installments (or partial installments) attributable to installment periods (or partial periods) falling within the Term at of this Lease shall be included in Real Estate Taxes. Real Estate Taxes shall not include any increases in Real Estate Taxes arising out of the beginning or end thereof, Tenant shall pay to Landlord, as Additional Rent, the product transfer of (i) such Applicable fraction of a Tax Year and (ii) the Landlord's Tax Expenses Allocable title to the Premises for the Tax Year in which said fraction occursPremises, income, transfer, sales or excise taxes. Not later than ninety (90) days after Landlord's Tax Expenses Allocable to the Premises are determined for the first such Tax Year or fraction thereof and for each succeeding Tax Year or fraction thereof during the Term, Landlord shall render Tenant a statement in reasonable detail certified by a representative of Landlord showing for the preceding year or fraction thereof, as the case may be, real estate taxes on the Buildings and the Site and abatements and refunds of any taxes and assessments. Expenditures for legal fees and for other expenses incurred in seeking the tax refund or abatement may be charged against the tax refund or abatement before the adjustments are made for the Tax Year. Said statement to be rendered to Tenant shall also show for the preceding Tax Year or fraction thereof as the case may be the amounts of real estate taxes already paid by Tenant as Additional Rent, and the amount of real estate taxes remaining due from, or overpaid by, Tenant for the year or other period covered by the statement. Within thirty (30) days after the date of delivery of the foregoing statement, Tenant shall pay to Landlord the balance of the amounts, if any, required to be paid pursuant to the above provisions of this Section 2.7 with respect to the preceding Tax Year or fraction thereof, or Landlord shall credit any amounts due from it to Tenant pursuant to the provisions of this Section 2.7 against (x) monthly installments of fixed rent next thereafter coming due or (y) any sums then due from Tenant to Landlord under this Lease (or refund such portion of the over-payment as aforesaid if the Term has ended and Tenant has no further obligation to Landlord). In the event Landlord succeeds in obtaining a reduction of such real estate taxes, rates or assessments with respect to a real estate tax fiscal year as to which Tenant contributed Tenant's share of Landlord's Tax Expenses, then, Tenant shall be entitled to receive its proportionate share of the net amount of any refund received or reduction obtained by Landlord to the extent allocable to the Term of this Lease. Tenant's entitlement to such refund amount shall survive the expiration of the Term. Landlord will, upon the written request of Tenant, who together with other tenants lease at least fifty (50%) of the Total Rentable Floor Area of the Complex, at Landlord's election either (i) apply for an abatement of real estate taxes or (ii) allow such tenants to apply for abatements in their own name, or in Landlord's name, at their own cost (subject to such tenants' right to recover such costs on a first dollar basis from the abatement proceeds, if any). If such tenants apply for an abatement of real estate taxes, then Landlord shall have the right to be involved in each step institute tax reduction or other proceedings to challenge Real Estate Taxes or reduce the assessed value of the abatement processPremises and improvements thereon, includingand Landlord shall cooperate with any such contest, without limitation, Landlord's right appeal or proceeding. Should any Real Estate Taxes relate to approve or be payable over a period of time which encompasses all filings in connection with such abatement proceedings (such approval not to be unreasonably withheld) and the right to attend all meetings between Tenant and its representatives and the representatives or a portion of the Town Term and either precedes or succeeds the Term, Tenant shall pay a pro rata share thereof based upon the portion of Bedfordsuch Taxes due and payable during the Term. In addition, payments by Tenant Landlord covenants and agrees that if there shall be any refunds or rebates on account of Landlord's Tax Expenses Allocable any tax, governmental imposition or levy paid by Tenant under the provisions of this Lease, such refund or rebate shall belong to the Premises anticipated Tenant. Any such refunds or rebates received by Landlord shall be held in trust for the then current year benefit of Tenant and shall be made monthly at the time and in the fashion herein provided for forthwith paid to Tenant. Landlord shall, on request of Tenant, sign any receipt which may be necessary to secure the payment of fixed rent. The amount so any such refund or rebate, and shall pay over to be paid to Landlord shall be an amount reasonably estimated Tenant such refund or rebate as received by Landlord to be sufficient to provide Landlord, in the aggregate, a sum equal to Landlord's Tax Expenses Allocable to the Premises, at least ten (10) days before the day on which such payments by Landlord would become delinquent. To the extent that real estate taxes shall be payable to the taxing authority in installments with respect to periods less than a Tax Year, the foregoing statement shall be rendered and payments made on account of such installments. Terms used herein are defined as follows:.

Real Estate Taxes. For each If with respect to any full Tax Year or fraction of a Tax Year falling within the Term, Landlord’s Tax Expenses Allocable to the Premises as hereinafter defined for a full Tax Year exceed Base Taxes Allocable to the Premises, or for any such fraction of a Tax Year exceed the corresponding fraction of Base Taxes Allocable to the Premises then, on or before the thirtieth (30th) day following receipt by Tenant of the certified statement referred to below in this Section 2.7, then Tenant shall pay to Landlord, as Additional Rent, the Landlord's Tax Expenses Allocable to the Premises for amount of such corresponding Tax Year, and for each fraction of a Tax Year falling within the Term at the beginning or end thereof, Tenant shall pay to Landlord, as Additional Rent, the product of (i) such Applicable fraction of a Tax Year and (ii) the Landlord's Tax Expenses Allocable to the Premises for the Tax Year in which said fraction occursexcess. Not later than ninety (90) days after Landlord's ’s Tax Expenses Allocable to the Premises are determined for the first such Tax Year or fraction thereof and for each succeeding Tax Year or fraction thereof during the Term, Landlord shall render Tenant a statement in reasonable detail certified by a representative of Landlord showing for the preceding year or fraction thereof, as the case may be, real estate taxes on the Buildings Building and the Site and abatements and refunds of any taxes and assessments. Expenditures for reasonable legal fees (which may be calculated on a contingent fee basis) and for other expenses incurred in seeking the tax refund or abatement may be charged against the tax refund or abatement before the adjustments are made for the Tax Year. Said statement to be rendered to Tenant shall also show for the preceding Tax Year or fraction thereof as the case may be the amounts of real estate taxes already paid by Tenant as Additional Rent, and the amount of real estate taxes remaining due from, or overpaid by, Tenant for the year or other period covered by the statement. Within thirty (30) days after the date of delivery of the foregoing statement, Tenant shall pay to Landlord the balance of the amounts, if any, required to be paid pursuant to the above provisions of this Section 2.7 with respect to the preceding Tax Year or fraction thereof, or Landlord shall credit any amounts due from it to Tenant pursuant to the provisions of this Section 2.7 against (xi) monthly installments of fixed rent next thereafter coming due or (yii) any sums then due from Tenant to Landlord under this Lease (or or, within thirty (30) days after the delivery of such statement, refund such portion of the over-payment as aforesaid if the Term has ended and Tenant has no further obligation to Landlord). In the event Landlord succeeds in obtaining a reduction of such real estate taxes, rates or assessments with respect to a real estate tax fiscal year as to which Tenant contributed Tenant's share of Landlord's Tax Expenses, then, Tenant shall be entitled to receive its proportionate share of the net amount of any refund received or reduction obtained by Landlord to the extent allocable to the Term of this Lease. Tenant's entitlement to such refund amount shall survive the expiration of the Term. Landlord will, upon the written request of Tenant, who together with other tenants lease at least fifty (50%) of the Total Rentable Floor Area of the Complex, at Landlord's election either (i) apply for an abatement of real estate taxes or (ii) allow such tenants to apply for abatements in their own name, or in Landlord's name, at their own cost (subject to such tenants' right to recover such costs on a first dollar basis from the abatement proceeds, if any). If such tenants apply for an abatement of real estate taxes, then Landlord shall have the right to be involved in each step of the abatement process, including, without limitation, Landlord's right to approve all filings in connection with such abatement proceedings (such approval not to be unreasonably withheld) and the right to attend all meetings between Tenant and its representatives and the representatives of the Town of Bedford. In addition, payments by Tenant on account of Landlord's Tax Expenses Allocable to the Premises increases in real estate taxes anticipated for the then current year shall be made monthly at the time and in the fashion herein provided for the payment of fixed rent. The amount so to be paid to Landlord shall be an amount reasonably estimated by Landlord to be sufficient to provide Landlord, in the aggregate, a sum equal to Landlord's Tax Expenses Allocable to the PremisesTenant’s share of such increases, at least ten (10) days before the day on which such payments by Landlord would become delinquent. To the extent that real estate taxes shall be payable to the taxing authority in installments with respect to periods less than a Tax Year, the foregoing statement shall be rendered and payments made on account of such installments. Terms used herein are defined as follows:

Real Estate Taxes. For each Tax Year falling within the Term, Tenant shall covenants to pay to Landlord, as Additional Rent, the Landlord's Tax Expenses Allocable to the Premises for such corresponding each fiscal tax period (a “Tax Year”) partially or wholly included in the Term, and for each fraction Tenant’s Percentage of a Tax Year falling within the Term at the beginning or end thereof, Taxes (as hereinafter defined). Tenant shall pay remit to Landlord, as Additional Rent, the product of (i) such Applicable fraction of a Tax Year and (ii) the Landlord's Tax Expenses Allocable to the Premises for the Tax Year in which said fraction occurs. Not later than ninety (90) days after Landlord's Tax Expenses Allocable to the Premises are determined for on the first such Tax Year or fraction thereof and for day of each succeeding Tax Year or fraction thereof during the Termcalendar month, Landlord shall render Tenant a statement in reasonable detail certified by a representative of Landlord showing for the preceding year or fraction thereof, as the case may be, real estate taxes on the Buildings and the Site and abatements and refunds of any taxes and assessments. Expenditures for legal fees and for other expenses incurred in seeking the tax refund or abatement may be charged against the tax refund or abatement before the adjustments are made for the Tax Year. Said statement to be rendered to Tenant shall also show for the preceding Tax Year or fraction thereof as the case may be the amounts of real estate taxes already paid by Tenant as Additional Rent, and the amount of real estate taxes remaining due from, or overpaid by, Tenant for the year or other period covered by the statement. Within thirty (30) days after the date of delivery of the foregoing statement, Tenant shall pay to Landlord the balance of the amounts, if any, required to be paid pursuant to the above provisions of this Section 2.7 with respect to the preceding Tax Year or fraction thereof, or Landlord shall credit any amounts due from it to Tenant pursuant to the provisions of this Section 2.7 against (x) monthly installments of fixed rent next thereafter coming due or (y) any sums then due from Tenant to Landlord under this Lease (or refund such portion of the over-payment as aforesaid if the Term has ended and Tenant has no further obligation to Landlord). In the event Landlord succeeds in obtaining a reduction of such real estate taxes, rates or assessments with respect to a real estate tax fiscal year as to which Tenant contributed Tenant's share of Landlord's Tax Expenses, then, Tenant shall be entitled to receive its proportionate share of the net amount of any refund received or reduction obtained by Landlord to the extent allocable to the Term of this Lease. Tenant's entitlement to such refund amount shall survive the expiration of the Term. Landlord will, upon the written request of Tenant, who together with other tenants lease at least fifty (50%) of the Total Rentable Floor Area of the Complex, at Landlord's election either (i) apply for an abatement of real estate taxes or (ii) allow such tenants to apply for abatements in their own name, or in Landlord's name, at their own cost (subject to such tenants' right to recover such costs on a first dollar basis from the abatement proceeds, if any). If such tenants apply for an abatement of real estate taxes, then Landlord shall have the right to be involved in each step of the abatement process, including, without limitation, Landlord's right to approve all filings in connection with such abatement proceedings (such approval not to be unreasonably withheld) and the right to attend all meetings between Tenant and its representatives and the representatives of the Town of Bedford. In addition, estimated payments by Tenant on account of Landlord's Tax Expenses Allocable to the Premises anticipated for the then current year shall be made Taxes, such monthly at the time and in the fashion herein provided for the payment of fixed rent. The amount so to be paid to Landlord shall be an amount reasonably estimated by Landlord amounts to be sufficient to provide Landlord, in by the aggregatetime real estate tax payments are due and payable to any governmental authority responsible for collection of same, a sum equal to Landlord's the Tenant’s Percentage of Taxes, as reasonably estimated by Landlord from time to time on the basis of the most recent tax data available. The initial calculation of the monthly estimated payments shall be based upon the Initial Estimate of Tenant’s Percentage of Taxes for the Tax Expenses Allocable Year and upon quarterly payments being due to the Premisesgovernmental authority on August 1, November 1, February 1 and May 1, and shall be made when the Commencement Date has been determined. If the total of such monthly remittances for any Tax Year is greater than the Tenant’s Percentage of Taxes for such Tax year, Landlord shall promptly pay to Tenant, or credit against the next accruing payments to be made by Tenant pursuant to this subsection 4.2.1, the difference; if the total of such remittances is less than the Tenant’s Percentage of Taxes for such Tax Year, Tenant shall pay the difference to Landlord at least ten (10) days before prior to the day on which date or dates within such payments by Landlord would Tax Year that any Taxes become delinquent. To the extent that real estate taxes shall be due and payable to the taxing governmental authority (but in installments with respect any event no earlier than ten (10) days following a written notice to periods less than a Tax YearTenant, which notice shall set forth the foregoing statement manner of computation of Tenant’s Percentage of Taxes). This section shall be rendered and payments made on account survive the expiration or earlier termination of such installments. Terms used herein are defined as follows:this Lease.

Real Estate Taxes. For each Tax Year falling within the Term, Tenant shall pay to Landlord, as Additional Rent, an amount (“Tenant’s Tax Share”) equal to Tenant’s Percentage of the Landlord's Taxes (as hereinafter defined) due (or estimated to be due by governmental authority) for any fiscal tax period (a “Tax Expenses Allocable Year”) during the term hereof. Except as otherwise provided in the immediately following paragraph, Tenant shall pay Tenant’s Tax Share to Landlord at least ten (10) days prior to the Premises date or dates within any year during the term hereof that the same, or any fractional share thereof, shall be due and payable to any governmental authority responsible for collection of same (as stated in a written notice to Tenant given at least twenty (20) days prior to the date or dates any such corresponding payment shall be due, which notice shall set forth the manner of computation of any Tenant’s Tax YearShare due from Tenant), except that such payment shall be made to Landlord not later than ten (10) days after such notice to Tenant, if such notice is given subsequent to the date twenty (20) days prior to the date the same is due and for each fraction of a Tax Year falling within the Term at the beginning or end thereofpayable as aforesaid. At Landlord’s election, Tenant shall pay to Landlord, as Additional Rent on the first day of each calendar month during the term but otherwise in the manner provided for the payment of Annual Fixed Rent, estimated payments on account of Tenant’s Tax Share, such monthly amounts to be sufficient to provide Landlord by the product time Tax payments are due or are to be made by Landlord a sum equal to Tenant’s Tax Share, as reasonably estimated by Landlord from time to time on account of (i) Taxes for the then current Tax Year. If the total of such Applicable fraction of a monthly remittances for any Tax Year is greater than Tenant’s Tax Share for such Tax Year, Landlord shall credit such overpayment against Tenant’s subsequent obligations on account of Taxes (or promptly refund such overpayment if the term of this Lease has ended and Tenant has no further obligations to Landlord); if the total of such remittances is less than Tenant’s Tax Share for such Tax Year, Tenant shall pay the difference to Landlord within ten (ii10) days after being so notified by Landlord. If, after Tenant shall have made all payments due to Landlord pursuant to this Section 4.3, Landlord shall receive a refund of any portion of Taxes as a result of an abatement of such Taxes by legal proceedings, settlement or otherwise (without either party having any obligation to undertake any such proceedings), Landlord shall pay or credit to Tenant Tenant’s Percentage of that percentage of the Landlord's refund (after first deducting any expenses, including attorneys’, consultants’ and appraisers’ fees, incurred in connection with obtaining any such refund) which equals the percentage of the applicable Tax Expenses Allocable Year included in the term hereof, provided however, in no event shall Tenant be entitled to receive more than the Premises for sum of payments actually made by Tenant on account of Taxes with respect to such Tax Year. In the event that the Rent Commencement Date shall occur or the term of this Lease shall expire or be terminated during any Tax Year, or should the Tax Year or period of assessment of real estate taxes be changed or be more or less than one (1) year, or should Tenant’s Percentage be modified during any Tax Year due to a change in which said fraction occurs. Not later than ninety (90) days after Landlord's Tax Expenses Allocable to the rentable area of the Building and/or the Premises are determined for the first such Tax Year or fraction thereof and for each succeeding Tax Year or fraction thereof during the Term, Landlord shall render Tenant a statement in reasonable detail certified by a representative of Landlord showing for the preceding year or fraction thereofotherwise, as the case may be, real estate taxes on then the Buildings and the Site and abatements and refunds amount of any taxes and assessments. Expenditures for legal fees and for other expenses incurred in seeking the tax refund or abatement Tenant’s Tax Share which may be charged against the tax refund or abatement before the adjustments are made for the Tax Year. Said statement to be rendered to Tenant shall also show for the preceding Tax Year or fraction thereof as the case may be the amounts of real estate taxes already paid otherwise payable by Tenant as Additional Rent, and the amount of real estate taxes remaining due from, or overpaid by, Tenant for the year or other period covered by the statement. Within thirty (30) days after the date of delivery of the foregoing statement, Tenant shall pay to Landlord the balance of the amounts, if any, required to be paid pursuant to the above provisions of provided in this Section 2.7 with respect to the preceding Tax Year or fraction thereof, or Landlord shall credit any amounts due from it to Tenant pursuant to the provisions of this Section 2.7 against (x) monthly installments of fixed rent next thereafter coming due or (y) any sums then due from Tenant to Landlord under this Lease (or refund such portion of the over-payment as aforesaid if the Term has ended and Tenant has no further obligation to Landlord). In the event Landlord succeeds in obtaining a reduction of such real estate taxes, rates or assessments with respect to a real estate tax fiscal year as to which Tenant contributed Tenant's share of Landlord's Tax Expenses, then, Tenant 4.3 shall be entitled to receive its proportionate share of the net amount of any refund received or reduction obtained by Landlord to the extent allocable to the Term of this Lease. Tenant's entitlement to such refund amount shall survive the expiration of the Term. Landlord will, upon the written request of Tenant, who together with other tenants lease at least fifty (50%) of the Total Rentable Floor Area of the Complex, at Landlord's election either (i) apply for an abatement of real estate taxes or (ii) allow such tenants to apply for abatements in their own name, or in Landlord's name, at their own cost (subject to such tenants' right to recover such costs pro-rated on a first dollar daily basis from the abatement proceeds, if any). If such tenants apply for an abatement of real estate taxes, then Landlord shall have the right to be involved in each step of the abatement process, including, without limitation, Landlord's right to approve all filings in connection with such abatement proceedings (such approval not to be unreasonably withheld) and the right to attend all meetings between Tenant and its representatives and the representatives of the Town of Bedford. In addition, payments by Tenant based on account of Landlord's Tax Expenses Allocable to the Premises anticipated for the then current year shall be made monthly at the time and in the fashion herein provided for the payment of fixed rent. The amount so to be paid to Landlord shall be an amount reasonably estimated by Landlord to be sufficient to provide Landlord, in the aggregate, a sum equal to Landlord's Tax Expenses Allocable to the Premises, at least ten (10) days before the 365 day on which such payments by Landlord would become delinquent. To the extent that real estate taxes shall be payable to the taxing authority in installments with respect to periods less than a Tax Year, the foregoing statement shall be rendered and payments made on account of such installments. Terms used herein are defined as follows:.

Real Estate Taxes. For each Tax Year falling within the TermReal estate or ad valorem real property taxes, Tenant shall pay to Landlord, as Additional Rent, the Landlord's Tax Expenses Allocable to the Premises for such corresponding Tax Year, assessments (including installments of business improvement district charges and for each fraction of a Tax Year falling within the Term at the beginning or end thereof, Tenant shall pay to Landlord, as Additional Rent, the product of (i) such Applicable fraction of a Tax Year principal and (ii) the Landlord's Tax Expenses Allocable to the Premises for the Tax Year in which said fraction occurs. Not later than ninety (90) days after Landlord's Tax Expenses Allocable to the Premises are determined for the first such Tax Year or fraction thereof and for each succeeding Tax Year or fraction thereof during the Term, Landlord shall render Tenant a statement in reasonable detail certified by a representative of Landlord showing for the preceding year or fraction thereof, as the case may be, real estate taxes interest installments due on the Buildings and the Site and abatements and refunds of any taxes and assessments. Expenditures for legal fees and for other expenses incurred in seeking the tax refund or abatement may be charged against the tax refund or abatement before the adjustments are made for the Tax Year. Said statement to be rendered to Tenant shall also show for the preceding Tax Year or fraction thereof as the case may be the amounts of real estate taxes already paid by Tenant as Additional Rent, and the amount of real estate taxes remaining due from, or overpaid by, Tenant for the year or other period covered by the statement. Within thirty (30) days after the date of delivery of the foregoing statement, Tenant shall pay to Landlord the balance of the amountslocal improvement district liens, if any, required to be paid pursuant to the above provisions of this Section 2.7 ) and personal property taxes with respect to the preceding Tax Year or fraction thereofProperty (collectively, or Landlord "Real Estate Taxes") shall credit any amounts due from it to Tenant pursuant be prorated based upon the latest available tax bill, such that Property Owner shall be responsible for all Real Xxxate Taxes levied against the Property for the period prior to the provisions of this Section 2.7 Adjustment Time and CBL/OP shall be responsible for all Real Estate Taxes levied against the Property for the period from and after the Adjustment Time. If the latest available tax bill is not the bill for the current tax year, then Real Estate Xxxxs shall be pxxxxted based upon the latest tax information then available (xincluding previous tax bills, current assessments and other information available from the taxing authorities) monthly installments of fixed rent next thereafter coming due and CBL/OP and Property Owner shall re-prorate the Real Estate Taxes following the Closing as soon as the current tax bill or (y) any sums then due from Tenant to Landlord under this Lease (or refund such portion other current information becomes available. Any increase xx Real Estate Taxes which is assessed following the Closing arising out of the over-payment as aforesaid if sale of the Term has ended Real Property to CBL/OP or a subsequent sale or change in ownership thereafter, and/or arising out of any construction or improvements to the Real Property prior to or following the Closing, shall be paid by CBL/OP when assessed. Refunds of Real Estate Taxes for the Real Estate Tax year in which the Closing occurs, net of the costs of pursuing any tax contest or protest proceedings and Tenant has no further obligation collecting such refunds, shall be prorated in proportion to Landlord). In the event Landlord succeeds in obtaining a reduction respective shares of such real estate taxes, rates or assessments with respect Real Estate Taxes borne by Property Owner and CBL/OP hereunder. The rights of Property Owner and CBL/OP to a real estate tax fiscal year as to which Tenant contributed Tenant's share of Landlord's Tax Expenses, then, Tenant shall be entitled to receive its proportionate share of the net amount their respective shares of any refund received or reduction obtained by Landlord of Real Estate Taxes shall be subject to the extent allocable to the Term of this Lease. Tenant's entitlement to such refund amount shall survive the expiration rights of the Term. Landlord willTenants under the Tenant Leases in regard to Overage Rents, upon the written request and any portion of Tenant, who together with other tenants lease at least fifty (50%) of the Total Rentable Floor Area of the Complex, at Landlord's election either (i) apply for an abatement of real estate taxes or (ii) allow such tenants any refund to apply for abatements in their own name, or in Landlord's name, at their own cost (subject to such tenants' right to recover such costs on a first dollar basis from the abatement proceeds, if any). If such tenants apply for an abatement of real estate taxes, then Landlord which any Tenant is entitled shall have the right to be involved in each step of the abatement process, including, without limitation, Landlord's right to approve all filings in connection with such abatement proceedings (such approval not to be unreasonably withheld) and the right to attend all meetings between Tenant and its representatives and the representatives of the Town of Bedford. In addition, payments by Tenant on account of Landlord's Tax Expenses Allocable to the Premises anticipated for the then current year shall be made monthly at the time and in the fashion herein provided for the payment of fixed rent. The amount so to be paid to Landlord shall be an amount reasonably estimated by Landlord CBL/OP (even if the refund pertains to be sufficient a period prior to provide LandlordClosing) and CBL/OP covenants to promptly refund (or, in the aggregateCBL/OP's case, a sum equal to Landlord's Tax Expenses Allocable credit) to the PremisesTenants any refund of Real Estate Taxes due the Tenants. Notwithstanding any statement herein to the contrary, at least ten (10) days before the day on which such payments by Landlord would become delinquent. To the extent parties agree that real estate taxes shall be payable prorated on the basis that Property Owner is responsible for taxes and assessments relating to periods prior to the Closing and CBL/OP is responsible for taxes and assessments relating to periods from the Closing and thereafter, and the parties further agree that this tax proration shall apply regardless of whether the taxing authority assesses taxes in installments with respect to periods less than a Tax Yeararrears, the foregoing statement shall be rendered and payments made on account of such installments. Terms used herein are defined as follows:currently or prospectively.

Real Estate Taxes. For each If Taxes (as hereinafter defined) assessed against the Property (or estimated to be due by governmental authority) for any fiscal tax period (a “Tax Year falling Year”) during the Term of this Lease shall exceed Base Taxes, whether due to increase in rate or reassessment of the Property, or both, Tenant shall reimburse Landlord therefor, as Additional Rent, in an amount equal to Tenant’s Percentage of any such excess (the “Tax Excess”). Except as otherwise provided in the immediately following paragraph, Tenant shall pay the Tax Excess to Landlord at least ten (10) days prior to the date or dates within any year during the TermTerm hereof that the same, or any fractional share thereof, shall be due and payable to any governmental authority responsible for collection of same (as stated in a notice to Tenant given at least thirty (30) days prior to the date or dates any such payment shall be due, which notice shall set forth the manner of computation of any Tax Excess due from Tenant), except that such payment shall be made to Landlord not later than twenty (20) days after such notice to Tenant, if such notice is given subsequent to the date thirty (30) days prior to the date the same is due and payable as aforesaid. At Landlord’s election, Tenant shall pay to Landlord, as Additional Rent on the first day of each calendar month during the Term but otherwise in the manner provided for the payment of Annual Fixed Rent, estimated payments on account of the Landlord's Tax Expenses Allocable Excess, such monthly amounts to be in equal installments (subject to the Premises next following sentence) sufficient to provide Landlord by the time Tax payments are due or are to be made by Landlord a sum equal to the Tax Excess, as reasonably estimated by Landlord from time to time on account of Taxes for such corresponding the then current Tax Year. Notwithstanding the foregoing, if during any Tax Year, and for each fraction of a Tax Year falling within Landlord reasonably determines that the Term at the beginning or end thereof, Tenant shall pay to Landlord, as Additional Rent, the product of (i) such Applicable fraction of a Tax Year and (ii) the Landlord's Tax Expenses Allocable to the Premises for the Tax Year in which said fraction occurs. Not later than ninety (90) days after Landlord's Tax Expenses Allocable to the Premises are determined for the first such Tax Year or fraction thereof and for each succeeding Tax Year or fraction thereof during the Term, Landlord shall render Tenant a statement in reasonable detail certified by a representative of Landlord showing for the preceding year or fraction thereof, as the case may be, real estate taxes on the Buildings and the Site and abatements and refunds of any taxes and assessments. Expenditures for legal fees and for other expenses incurred in seeking the tax refund or abatement may be charged against the tax refund or abatement before the adjustments are made for the Tax Year. Said statement to be rendered to Tenant shall also show for the preceding Tax Year or fraction thereof as the case may be the amounts of real estate taxes already paid estimated monthly installments payable by Tenant as Additional Rent, and the amount of real estate taxes remaining due from, or overpaid by, Tenant for the year or other period covered by the statement. Within thirty (30) days after the date of delivery of the foregoing statement, Tenant shall pay to Landlord the balance of the amounts, if any, required to be paid pursuant to the above provisions of this Section 2.7 with respect to the preceding Tax Year or fraction thereof, or Landlord shall credit any amounts due from it to Tenant pursuant to the provisions of this Section 2.7 against (x) monthly installments of fixed rent next thereafter coming due or (y) any sums then due from Tenant to Landlord under this Lease (or refund such portion of the over-payment as aforesaid if the Term has ended and Tenant has no further obligation to Landlord). In the event Landlord succeeds in obtaining a reduction of such real estate taxes, rates or assessments with respect to a real estate tax fiscal year as to which Tenant contributed Tenant's share of Landlord's Tax Expenses, then, Tenant shall be entitled to receive its proportionate share of the net amount of any refund received or reduction obtained by Landlord to the extent allocable to the Term of this Lease. Tenant's entitlement to such refund amount shall survive the expiration of the Term. Landlord will, upon the written request of Tenant, who together with other tenants lease at least fifty (50%) of the Total Rentable Floor Area of the Complex, at Landlord's election either (i) apply for an abatement of real estate taxes or (ii) allow such tenants to apply for abatements in their own name, or in Landlord's name, at their own cost (subject to such tenants' right to recover such costs on a first dollar basis from the abatement proceeds, if any). If such tenants apply for an abatement of real estate taxesare materially inaccurate, then Landlord shall have the right to be involved in each step revise the estimated monthly installments payable by Tenant to Landlord on account of the Tax Excess for such Tax Year; provided, however, that Landlord shall deliver notice to Tenant of such revision and Landlord shall not exercise its right hereunder more than once in any Tax Year. If the total of such monthly remittances for any Tax Year is greater than the Tax Excess for such Tax Year, Landlord shall credit such overpayment against Tenant’s subsequent obligations on account of Taxes (or promptly refund such overpayment if the Term of this Lease has ended and Tenant has no further obligations to Landlord); if the total of such remittances is less than the Tax Excess for such Tax Year, Tenant shall pay the difference to Landlord within ten (10) days after being so notified by Landlord. If, after Tenant shall have made all payments due to Landlord pursuant to this Subsection 4.2.1, Landlord shall receive a refund of any portion of Taxes as a result of an abatement processof such Taxes by legal proceedings, includingsettlement or otherwise (without either party having any obligation to undertake any such proceedings), without limitationLandlord shall pay or credit to Tenant Tenant’s Percentage of that portion of the refund (after first deducting any expenses, Landlord's right to approve all filings including attorneys’, consultants’ and appraisers’ fees, incurred in connection with obtaining any such abatement proceedings (such approval not to be unreasonably withheldrefund) and which equals the right to attend all meetings between Tenant and its representatives and the representatives percentage of the Town applicable Tax Year included in the Term hereof, provided however, in no event shall Tenant be entitled to receive more than the sum of Bedford. In addition, payments actually made by Tenant on account of Landlord's Taxes with respect to such Tax Expenses Allocable Year or to the Premises anticipated receive any payment if Taxes for the then current year shall be made monthly at the time and in the fashion herein provided for the payment of fixed rentany Tax Year are less than Base Taxes. The amount so obligations of Landlord and Tenant pursuant to this Subsection 4.2.1 with respect to any payments or credits for underpayments or overpayments shall survive the termination of this Lease. In the event that the Commencement Date shall occur or the Term of this Lease shall expire or be paid to Landlord shall be an amount reasonably estimated by Landlord to be sufficient to provide Landlordterminated during any Tax Year, in or should the aggregate, a sum equal to Landlord's Tax Expenses Allocable to the Premises, at least ten (10) days before the day on which such payments by Landlord would become delinquent. To the extent that Year or period of assessment of real estate taxes be changed or be more or less than one (1) year, or should Tenant’s Percentage be modified during any Tax Year due to a change in the rentable area of the Building and/or the Premises or otherwise, as the case may be, then the amount of Tax Excess which may be otherwise payable by Tenant as provided in this Subsection 4.2.1 shall be payable to the taxing authority in installments with respect to periods less than pro-rated on a daily basis based on a three-hundred-sixty-five-(365)-day Tax Year, the foregoing statement shall be rendered and payments made on account of such installments. Terms used herein are defined as follows:.

Real Estate Taxes. For each Tax Year falling within Real Estate Taxes" shall be defined as including the Term, Tenant shall pay to Landlord, as Additional Rent, the Landlord's Tax Expenses Allocable to the Premises for such corresponding Tax Year, and for each fraction of a Tax Year falling within the Term at the beginning or end thereof, Tenant shall pay to Landlord, as Additional Rent, the product of following items: (i) such Applicable fraction of a Tax Year and real estate taxes; (ii) assessments levied, assessed, or imposed against such land and/or buildings or the Landlord's Tax Expenses Allocable rents or profits therefrom to the Premises extent that the same shall be in lieu of all or any portion of any items hereinabove set forth, and (iii) all water and sewer rents, charges, taxes, and frontage assessed or imposed. If due to a change in the method of taxation, any franchise, income, profit, or other tax, however designated, shall be levied against Lessor's interest in the property in whole or in part for or in lieu of any tax which would otherwise constitute Real Estate Taxes, such taxes shall be included in the Tax Year term "Real Estate Taxes" for purposes hereof. All such payments shall be approximately prorated for any partial calendar years in which said fraction occursthe term of this Lease shall commence or expire. Not later than ninety (90) days after Landlord's Tax Expenses Allocable to the Premises are determined for the first such Tax Year or fraction thereof and for each succeeding Tax Year or fraction thereof during the Term, Landlord shall render Tenant a statement in reasonable detail certified by a representative A copy of Landlord showing for the preceding year or fraction thereof, as the case may be, real estate taxes on the Buildings and the Site and abatements and refunds of any taxes and assessments. Expenditures for legal fees and for other expenses incurred in seeking the tax refund or abatement may bill shall be charged against the tax refund or abatement before the adjustments are made for the Tax Year. Said statement to be rendered to Tenant shall also show for the preceding Tax Year or fraction thereof as the case may be the amounts of real estate taxes already paid by Tenant as Additional Rent, and sufficient evidence xx the amount of real estate taxes remaining due from, or overpaid by, Tenant for the year Real Estate Taxes. Only Lessor shall be eligible to institute tax reduction or other period covered by proceedings to reduce the statement. Within thirty (30) days after the date of delivery assessed valuation of the foregoing statementland and buildings. Should Lessor be successful in any such reduction proceedings and obtain a rebate for periods during which Lessee has paid its share of increases, Tenant shall pay to Landlord the balance and provided that Lessee is not in default in payment of the amounts, if any, required to be paid pursuant to the above provisions of this Section 2.7 with respect to the preceding Tax Year rent or fraction thereof, or Landlord shall credit any amounts additional rent due from it to Tenant pursuant to the provisions of this Section 2.7 against (x) monthly installments of fixed rent next thereafter coming due or (y) any sums then due from Tenant to Landlord under this Lease (or refund such portion of the over-payment as aforesaid if the Term has ended and Tenant has no further obligation to Landlord). In the event Landlord succeeds in obtaining a reduction of such real estate taxesLease, rates or assessments with respect to a real estate tax fiscal year as to which Tenant contributed Tenant's share of Landlord's Tax ExpensesLessor shall, then, Tenant shall be entitled to receive after deducting its proportionate share of the net amount of any refund received or reduction obtained by Landlord to the extent allocable to the Term of this Lease. Tenant's entitlement to such refund amount shall survive the expiration of the Term. Landlord will, upon the written request of Tenant, who together with other tenants lease at least fifty (50%) of the Total Rentable Floor Area of the Complex, at Landlord's election either (i) apply for an abatement of real estate taxes or (ii) allow such tenants to apply for abatements in their own name, or in Landlord's name, at their own cost (subject to such tenants' right to recover such costs on a first dollar basis from the abatement proceeds, if any). If such tenants apply for an abatement of real estate taxes, then Landlord shall have the right to be involved in each step of the abatement processexpenses, including, without limitation, Landlord's right to approve all filings attorneys' fees and disbursements in connection with therewith, promptly return Lessee's pro rata share of such abatement proceedings (rebate after Lessor has received such approval proceeds. Lessee may not to be unreasonably withheld) and the right to attend all meetings between Tenant and its representatives and the representatives obtain any portion of the Town of Bedford. In addition, payments by Tenant on account of Landlord's Tax Expenses Allocable benefits which may accrue to the Premises anticipated Lessor from any reduction in Real Estate Taxes for the then current any year shall be made monthly at the time and below those imposed in the fashion herein provided for the payment of fixed rent. The amount so to be paid to Landlord shall be an amount reasonably estimated by Landlord to be sufficient to provide Landlord, in the aggregate, a sum equal to Landlord's Tax Expenses Allocable to the Premises, at least ten (10) days before the day on which such payments by Landlord would become delinquent. To the extent that real estate taxes shall be payable to the taxing authority in installments with respect to periods less than a Basic Tax Year. Along with notification of any increases in Real Estate Taxes for which the Lessor requests payment from Lessee, Lessor shall also furnish (i) a copy of the foregoing statement shall be rendered and payments made on account of such installments. Terms used herein are defined as follows:current tax bill,

Real Estate Taxes. For each If Taxes (as hereinafter defined) for any ----------------- Tax Year falling within during the Termterm shall exceed Base Taxes, Tenant shall pay to reimburse Landlord, as Additional Rentadditional rent, the Landlordfor Tenant's Percentage of such excess (such amount hereinafter referred to as "Tax Expenses Allocable to the Premises for such corresponding Tax Year, and for each fraction of a Tax Year falling within the Term at the beginning or end thereof, Excess"). Tenant shall pay to Landlord, as Additional Rent, the product of (i) such Applicable fraction of a Tax Year and (ii) the Landlord's Tax Expenses Allocable to the Premises for the Tax Year in which said fraction occurs. Not later than ninety (90) days after Landlord's Tax Expenses Allocable to the Premises are determined for the first such Tax Year or fraction thereof and for each succeeding Tax Year or fraction thereof during the Term, Landlord shall render Tenant a statement in reasonable detail certified by a representative of Landlord showing for the preceding year or fraction thereof, as the case may be, real estate taxes on the Buildings and the Site and abatements and refunds of any taxes and assessments. Expenditures for legal fees and for other expenses incurred in seeking the tax refund or abatement may be charged against the tax refund or abatement before the adjustments are made for the Tax Year. Said statement to be rendered to Tenant shall also show for the preceding Tax Year or fraction thereof as the case may be the amounts of real estate taxes already paid by Tenant as Additional Rent, and the amount of real estate taxes remaining due from, or overpaid by, Tenant for the year or other period covered by the statement. Within thirty (30) days after the date of delivery of the foregoing statement, Tenant shall pay remit payments to Landlord the balance of the amounts, if any, required to be paid pursuant to the above provisions of this Section 2.7 with respect to the preceding Tax Year or fraction thereof, or Landlord shall credit any amounts due from it to Tenant pursuant to the provisions of this Section 2.7 against (x) monthly installments of fixed rent next thereafter coming due or (y) any sums then due from Tenant to Landlord under this Lease (or refund such portion of the over-payment as aforesaid if the Term has ended and Tenant has no further obligation to Landlord). In the event Landlord succeeds in obtaining a reduction of such real estate taxes, rates or assessments with respect to a real estate tax fiscal year as to which Tenant contributed Tenant's share of Landlord's Tax Expenses, then, Tenant shall be entitled to receive its proportionate share of the net amount of any refund received or reduction obtained by Landlord to the extent allocable to the Term of this Lease. Tenant's entitlement to such refund amount shall survive the expiration of the Term. Landlord will, upon the written request of Tenant, who together with other tenants lease at least fifty (50%) of the Total Rentable Floor Area of the Complex, at Landlord's election either (i) apply for an abatement of real estate taxes or (ii) allow such tenants to apply for abatements in their own name, or in Landlord's name, at their own cost (subject to such tenants' right to recover such costs on a first dollar basis from the abatement proceeds, if any). If such tenants apply for an abatement of real estate taxes, then Landlord shall have the right to be involved in each step of the abatement process, including, without limitation, Landlord's right to approve all filings in connection with such abatement proceedings (such approval not to be unreasonably withheld) and the right to attend all meetings between Tenant and its representatives and the representatives of the Town of Bedford. In addition, payments by Tenant on account of Tax Excess on a quarterly basis as hereinafter set forth. Landlord shall deliver copies of all tax bills to Tenant promptly upon Landlord's receipt of the same from the City of Quincy, together with a written notification setting forth Landlord's manner of computation of Tax Expenses Allocable to the Premises anticipated for the then current year Excess. Tenant shall be made monthly at the time and in the fashion herein provided for the payment of fixed rent. The amount so to be paid to Landlord shall be an amount reasonably estimated by Landlord to be sufficient to provide Landlord, in the aggregate, a sum equal remit to Landlord's Tax Expenses Allocable to the Premises, at least ten (10) days before prior to the day date within a Tax Year that any Taxes become due and payable (but in any event no earlier than twenty (20) days following Landlord's written notice to Tenant specifying Tax Excess as aforesaid), a sum equal to the Tax Excess, as reasonably calculated by Landlord from time to time on the basis of the most recent tax data available. If the total of such remittances for any Tax Year is greater than the actual Tax Excess for such Tax Year, Landlord shall promptly pay to Tenant, or credit against the next accruing payments to be made by Tenant pursuant to this subsection 4.2.1, the difference; if the total of such remittances is less than the actual Tax Excess for such Tax Year, Tenant shall pay the difference to Landlord within ten (10) days following a written notice thereof. If, after Tenant shall have made reimbursement to Landlord pursuant to this subsection 4.2.1, Landlord shall receive a refund of any portion of Taxes paid by Tenant with respect to any Tax Year during the term hereof as a result of an abatement of such Taxes by legal proceedings, settlement or otherwise (without Landlord having any obligation to undertake any such proceedings), Landlord shall promptly pay to Tenant, or if first approved by Tenant, credit against the next accruing payments to be made by Tenant pursuant to this subsection 4.2.1, the Tenant's Percentage of the refund (less the proportional, pro rata expenses, including attorneys' fees and appraisers' fees, incurred in connection with obtaining any such refund), as relates to Tax Excess paid by Tenant to Landlord with respect to any Tax Year for which such refund is obtained. Provided Landlord is not prosecuting an abatement with respect thereto, Tenant may prosecute appropriate proceedings for abatement or reduction of any tax with respect to which Tenant is required to make payments as hereinbefore provided, and Tenant agrees to save Landlord harmless from all costs and expenses incurred on account of Tenant's participation in such proceedings. Landlord shall cooperate with Tenant with respect to such proceedings so far as reasonably necessary. Any abatement or reduction effected by such proceedings shall accrue to the benefit of Tenant and Landlord would become delinquentand such other parties as their interests may appear according to their respective contributions to the taxes involved in any such proceedings. To Whichever party brings the extent that abatement proceedings shall institute and prosecute them diligently. Neither Tenant nor Landlord shall settle, compromise or discontinue the abatement proceedings without the consent of the other unless such party gives the other notice thereof and a reasonable opportunity to assume prosecution. In the event this Lease shall commence, or shall end (by reason of expiration of the term or earlier termination pursuant to the provisions hereof), on any date other than the first or last day of the Tax Year, or should the Tax Year or period of assessment of real estate taxes be changed or be more or less than one (1) year, as the case may be, then the amount of Tax Excess which may be payable by Tenant as provided in this subsection 4.2.1 shall be payable to the taxing authority in installments with respect to periods less than a Tax Year, the foregoing statement shall be rendered appropriately apportioned and payments made on account of such installments. Terms used herein are defined as follows:adjusted.

Real Estate Taxes. For each If Taxes (as hereinafter defined) for any Tax Year falling within during the Termterm shall exceed Base Taxes, Tenant shall reimburse Landlord, as additional rent, for Tenant's Percentage of such excess (such amount hereinafter referred to as "Tax Excess"). Tenant shall remit to Landlord, on the first day of each calendar month, estimated payments on account of Tax Excess, such monthly amounts to be sufficient to provide Landlord, by the time real estate tax payments are due and payable to any governmental authority responsible for collection of same, a sum equal to the Tax Excess, as reasonably estimated by Landlord from time to time on the basis of the most recent tax data available. If the total of such monthly remittances for any Tax Year is greater than the actual Tax Excess for such Tax year, Landlord shall promptly pay to Tenant, or credit against the next accruing payments to be made by Tenant pursuant to this subsection 4.2.1, the difference; if the total of such remittances is less than the actual Tax Excess for such Tax Year, Tenant shall pay the difference to LandlordLandlord at least ten (10) days prior to the date or dates within such Tax Year that any Taxes become due and payable to the governmental authority (but in any event no earlier than ten (10) days following a written notice to Tenant, which notice shall set forth the manner of computation of Tax Excess). If, after Tenant shall have made reimbursement to Landlord pursuant to this subsection 4.2.1, Landlord shall receive a refund of any portion of Taxes paid by Tenant with respect to any Tax Year during the term hereof as a result of an abatement of such Taxes by legal proceedings, settlement or otherwise (without Landlord having any obligation to undertake any such proceedings), Landlord shall promptly pay to Tenant, or credit against the next accruing payments to be made by Tenant pursuant to this subsection 4.2.1, the Tenant's Percentage of the refund (less the proportional, pro rata expenses, including attorneys' fees and appraisers' fees, incurred in connection with obtaining any such refund), as Additional Rentrelates to Tax Excess paid by Tenant to Landlord with respect to any Tax Year for which such refund is obtained. In the event this Lease shall commence, or shall end (by reason of expiration of the Landlord's Tax Expenses Allocable term or earlier termination pursuant to the Premises for such corresponding provisions hereof), on any date other than the first or last day of the Tax Year, and for each fraction of a Tax Year falling within the Term at the beginning or end thereof, Tenant shall pay to Landlord, as Additional Rent, the product of (i) such Applicable fraction of a Tax Year and (ii) the Landlord's Tax Expenses Allocable to the Premises for should the Tax Year in which said fraction occurs. Not later or period of assessment of real estate taxes be changed or be more or less than ninety one (901) days after Landlord's Tax Expenses Allocable to the Premises are determined for the first such Tax Year or fraction thereof and for each succeeding Tax Year or fraction thereof during the Term, Landlord shall render Tenant a statement in reasonable detail certified by a representative of Landlord showing for the preceding year or fraction thereofyear, as the case may be, real estate taxes on then the Buildings and the Site and abatements and refunds amount of any taxes and assessments. Expenditures for legal fees and for other expenses incurred in seeking the tax refund or abatement Tax Excess which may be charged against the tax refund or abatement before the adjustments are made for the Tax Year. Said statement to be rendered to Tenant shall also show for the preceding Tax Year or fraction thereof as the case may be the amounts of real estate taxes already paid payable by Tenant as Additional Rent, and the amount of real estate taxes remaining due from, or overpaid by, Tenant for the year or other period covered by the statement. Within thirty (30) days after the date of delivery of the foregoing statement, Tenant shall pay to Landlord the balance of the amounts, if any, required to be paid pursuant to the above provisions of provided in this Section 2.7 with respect to the preceding Tax Year or fraction thereof, or Landlord shall credit any amounts due from it to Tenant pursuant to the provisions of this Section 2.7 against (x) monthly installments of fixed rent next thereafter coming due or (y) any sums then due from Tenant to Landlord under this Lease (or refund such portion of the over-payment as aforesaid if the Term has ended and Tenant has no further obligation to Landlord). In the event Landlord succeeds in obtaining a reduction of such real estate taxes, rates or assessments with respect to a real estate tax fiscal year as to which Tenant contributed Tenant's share of Landlord's Tax Expenses, then, Tenant subsection 4.2.1 shall be entitled to receive its proportionate share of the net amount of any refund received or reduction obtained by Landlord to the extent allocable to the Term of this Lease. Tenant's entitlement to such refund amount shall survive the expiration of the Term. Landlord will, upon the written request of Tenant, who together with other tenants lease at least fifty (50%) of the Total Rentable Floor Area of the Complex, at Landlord's election either (i) apply for an abatement of real estate taxes or (ii) allow such tenants to apply for abatements in their own name, or in Landlord's name, at their own cost (subject to such tenants' right to recover such costs on a first dollar basis from the abatement proceeds, if any). If such tenants apply for an abatement of real estate taxes, then Landlord shall have the right to be involved in each step of the abatement process, including, without limitation, Landlord's right to approve all filings in connection with such abatement proceedings (such approval not to be unreasonably withheld) appropriately apportioned and the right to attend all meetings between Tenant and its representatives and the representatives of the Town of Bedford. In addition, payments by Tenant on account of Landlord's Tax Expenses Allocable to the Premises anticipated for the then current year shall be made monthly at the time and in the fashion herein provided for the payment of fixed rent. The amount so to be paid to Landlord shall be an amount reasonably estimated by Landlord to be sufficient to provide Landlord, in the aggregate, a sum equal to Landlord's Tax Expenses Allocable to the Premises, at least ten (10) days before the day on which such payments by Landlord would become delinquent. To the extent that real estate taxes shall be payable to the taxing authority in installments with respect to periods less than a Tax Year, the foregoing statement shall be rendered and payments made on account of such installments. Terms used herein are defined as follows:adjusted.

Real Estate Taxes. For each If with respect to any full Tax Year or fraction of a Tax Year falling within the Term, Landlord’s Tax Expenses Allocable to the Premises as hereinafter defined for a full Tax Year exceed Base Taxes Allocable to the Premises, or for any such fraction of a Tax Year exceed the corresponding fraction of Base Taxes Allocable to the Premises then, on or before the thirtieth (30th) day following receipt by Tenant of the certified statement referred to below in this Section 2.7, then Tenant shall pay to Landlord, as Additional Rent, the Landlord's Tax Expenses Allocable to the Premises for amount of such corresponding Tax Year, and for each fraction of a Tax Year falling within the Term at the beginning or end thereof, Tenant shall pay to Landlord, as Additional Rent, the product of (i) such Applicable fraction of a Tax Year and (ii) the Landlord's Tax Expenses Allocable to the Premises for the Tax Year in which said fraction occursexcess. Not later than ninety (90) days after Landlord's ’s Tax Expenses Allocable to the Premises are determined for the first such Tax Year or fraction thereof and for each succeeding Tax Year or fraction thereof during the Term, Landlord shall render Tenant a statement in reasonable detail certified by a representative of Landlord showing for the preceding year or fraction thereof, as the case may be, real estate taxes on the Buildings Building and the Site and abatements and refunds of any taxes and assessments. Expenditures for legal fees and for other expenses incurred in seeking the tax refund or abatement may be charged against the tax refund or abatement before the adjustments are made for the Tax Year. Said statement to be rendered to Tenant shall include a copy of the applicable rent estate tax bxxx and shall also show for the preceding Tax Year or fraction thereof as the case may be the amounts of real estate taxes already paid by Tenant as Additional Rent, and the amount of real estate taxes remaining due from, or overpaid by, Tenant for the year or other period covered by the statement. Within thirty (30) days after the date of delivery of the foregoing statement, Tenant shall pay to Landlord the balance of the amounts, if any, required to be paid pursuant to the above provisions of this Section 2.7 with respect to the preceding Tax Year or fraction thereof, or Landlord shall credit any amounts due from it to Tenant pursuant to the provisions of this Section 2.7 against (xi) monthly installments of fixed rent next thereafter coming due or (yii) any sums then due from Tenant to Landlord under this Lease (or refund such portion of the over-payment as aforesaid if the Term has ended and Tenant has no further obligation to Landlord). In the event Landlord succeeds in obtaining a reduction of such real estate taxesSuch refund, rates or assessments with respect to a real estate tax fiscal year as to which Tenant contributed Tenant's share of Landlord's Tax Expensesif any, then, Tenant shall be entitled to receive its proportionate share of the net amount of any refund received or reduction obtained by Landlord to the extent allocable to the Term of this Lease. Tenant's entitlement to such refund amount shall survive the expiration or earlier termination of this Lease provided was not then in default at the Term. Landlord will, upon the written request expiration or termination of Tenant, who together with other tenants lease at least fifty (50%) of the Total Rentable Floor Area of the Complex, at this Lease and provided Tenant does not then have any further obligations to Landlord's election either (i) apply for an abatement of real estate taxes or (ii) allow such tenants to apply for abatements in their own name, or in Landlord's name, at their own cost (subject to such tenants' right to recover such costs on a first dollar basis from the abatement proceeds, if any). If such tenants apply for an abatement of real estate taxes, then Landlord shall have the right to be involved in each step of the abatement process, including, without limitation, Landlord's right to approve all filings in connection with such abatement proceedings (such approval not to be unreasonably withheld) and the right to attend all meetings between Tenant and its representatives and the representatives of the Town of Bedford. In addition, payments by Tenant on account of Landlord's Tax Expenses Allocable to the Premises increases in real estate taxes anticipated for the then current year shall be made monthly at the time and in the fashion herein provided for the payment of fixed rent. The amount so to be paid to Landlord shall be an amount reasonably estimated by Landlord to be sufficient to provide Landlord, in the aggregate, a sum equal to Landlord's Tax Expenses Allocable to the PremisesTenant’s share of such increases, at least ten (10) days before the day on which such payments by Landlord would become delinquent. To the extent that real estate taxes shall be payable to the taxing authority in installments with respect to periods less than a Tax Year, the foregoing statement shall be rendered and payments made on account of such installments. Notwithstanding the foregoing provisions, no decrease in Landlord’s Tax Expenses with respect to any Tax Year shall result in a reduction of the amount otherwise payable by Tenant if and to the extent said decrease is attributable to vacancies in the Building or partial completion of the Building rather than to any other causes. Terms used herein are defined as follows:

Real Estate Taxes. For each If at any time or from time to time during the term of this Lease, the Real Estate Taxes for or attributable to any Real Estate Tax Year falling within shall be in excess of the TermBase Real Estate Taxes, and/or if any new tax or increase of the effective rate of present taxes shall become effective after the date hereof but before the normal tax escalation provision shall take effect, the rent payable hereunder in respect of such year shall be increased by an amount equal to of three and forty-nine one hundredths percent (3.49%) of such excess and/or such new tax or increase (the “Tenant’s Tax Share”). Tenant shall pay to Landlord, not later than the sixty (60) days prior to the tax due date, or such other date as Additional Rentmay be specified in writing to Tenant by Landlord, the Landlord's Tenant’s Tax Expenses Allocable to the Premises Share for such corresponding year. Where at any time such amount has become payable to Landlord hereunder, in addition to such amount, subsequent monthly installments of rent shall be increased by an amount equal to one-twelfth (1/12) of the Tenant’s Tax YearShare, and for each fraction of a Tax Year falling within the Term at the beginning or end thereof, Tenant shall pay such monthly amounts when paid to Landlord, as Additional Rent, the product of (i) such Applicable fraction of a Tax Year and (ii) the Landlord's Tax Expenses Allocable to the Premises for the Tax Year in which said fraction occurs. Not later than ninety (90) days after Landlord's Tax Expenses Allocable to the Premises are determined for the first such Tax Year or fraction thereof and for each succeeding Tax Year or fraction thereof during the Term, Landlord shall render be available (without interest) as a credit against subsequent obligations of Tenant a statement in reasonable detail certified by a representative of to Landlord showing for the preceding year or fraction thereof, as the case may be, real estate taxes on the Buildings and the Site and abatements and refunds of any taxes and assessmentsunder this Article. Expenditures for legal fees and for other expenses incurred in seeking the tax refund or abatement may be charged against the tax refund or abatement before the adjustments are made for the Tax Year. Said statement to be rendered Landlord shall furnish to Tenant shall also show for upon the preceding Tax Year or fraction thereof as the case may be the amounts specific written request of real estate taxes already paid Tenant copies of all notices of valuation and assessment and all tax bills received by Tenant as Additional Rent, and the amount of real estate taxes remaining due from, or overpaid by, Tenant for the year or other period covered by the statementLandlord. Within thirty (30) days after the date of delivery of the foregoing statement, Tenant shall pay to Landlord the balance as Additional Rent of three and forty-nine one hundredths percent (3.49%) of any expenses incurred by Landlord in obtaining or attempting to obtain a reduction of any Real Estate Taxes. Real Estate Taxes which are being contested by Landlord shall nevertheless be included for purposes of the amountscomputation of the liability of Tenant under this Article; provided, if anyhowever, required to be that in the event that Tenant shall have paid any amount of increased rent pursuant to the above provisions of this Section 2.7 with respect to the preceding Tax Year or fraction thereof, or Article and Landlord shall credit thereafter receive a refund of any amounts due from it portion of the Real Estate Taxes on which such payment shall have been based, Landlord shall pay to Tenant pursuant the appropriate portion of such refund after deduction of the aforementioned expenses. Landlord shall have no obligation to contest, object to or to litigate the provisions levying or imposition of any Real Estate Taxes and may settle, compromise, consent to, waive or otherwise determine in its discretion any Real Estate Taxes without notice to, consent or approval of Tenant. Nothing contained in this Section 2.7 against (x) Article shall be construed at any time so as to reduce the monthly installments of fixed rent next thereafter coming due or (y) any sums payable hereunder below the amount stipulated in Article 2.01. If the termination date of the Lease shall not coincide with the end of a Real Estate Tax Year, then due from Tenant to Landlord in computing the amount payable under this Lease (or refund such portion Article for the period between the commencement of the over-payment as aforesaid if applicable Real Estate Tax Year in question and the Term has ended and Tenant has no further obligation to Landlord). In the event Landlord succeeds in obtaining a reduction of such real estate taxes, rates or assessments with respect to a real estate tax fiscal year as to which Tenant contributed Tenant's share of Landlord's Tax Expenses, then, Tenant shall be entitled to receive its proportionate share of the net amount of any refund received or reduction obtained by Landlord to the extent allocable to the Term termination date of this Lease, the Base Real Estate Taxes shall be deducted from the Real Estate Taxes for the applicable Real Estate Tax Year and, if such Real Estate Taxes exceed the Base Real Estate Taxes, the Tenant shall pay one-three hundred sixty-fifth (1/365) of three and forty-nine one hundredths percent (3.49%) for each day of such Real Estate Tax Year during which the Lease shall have been in full force and effect. Tenant's entitlement ’s obligation to such refund amount pay under this Article for the final period of the Lease shall survive the expiration of the Termterm of this Lease. Failure of Landlord will, upon the written request to furnish a statement of Tenant, who together with other tenants lease at least fifty (50%) actual Tax Expenses or to give notice of the Total Rentable Floor Area an adjustment to Annual Rent under this Article in a timely manner shall not prejudice or act as a waiver of the Complex, at Landlord's election either (i) apply for an abatement of real estate taxes or (ii) allow such tenants to apply for abatements in their own name, or in Landlord's name, at their own cost (subject to such tenants' ’s right to recover furnish such costs on statement or give such notice as a first dollar basis from the abatement proceeds, if any). If such tenants apply for an abatement of real estate taxes, then Landlord shall have the right subsequent time or to be involved in each step of the abatement process, including, without limitation, Landlord's right to approve all filings in connection with such abatement proceedings (such approval not to be unreasonably withheld) and the right to attend all meetings between Tenant and its representatives and the representatives of the Town of Bedford. In addition, payments by Tenant on account of Landlord's Tax Expenses Allocable collect any adjustments to the Premises anticipated Annual Rent for the then current year shall be made monthly at the time and in the fashion herein provided for the payment of fixed rent. The amount so to be paid to Landlord shall be an amount reasonably estimated by Landlord to be sufficient to provide Landlord, in the aggregate, a sum equal to Landlord's Tax Expenses Allocable to the Premises, at least ten (10) days before the day on which such payments by Landlord would become delinquent. To the extent that real estate taxes shall be payable to the taxing authority in installments with respect to periods less than a Tax Year, the foregoing statement shall be rendered and payments made on account of such installments. Terms used herein are defined as follows:any preceding period.

Real Estate Taxes. For (1) As Additional Rent hereunder, for each Tax Year falling within (as hereinafter defined) commencing as of July 1, 2007 and continuing for the balance of the Term, Tenant Subtenant covenants and agrees to pay to Sublandlord, Subtenant’s Percentage (as hereinafter defined) of the amount by which Taxes (as defined in the Xxxxxxxxx, provided that Taxes for the Base Year and any other Tax Year shall be computed as if there was no exemption due to the Industrial Commercial Incentive Program (ICIP), exceeds Taxes for the time period from July 1, 2006 to and including June 30, 2007 (such time period referred to herein as the “Base Year”). As of the date of this Sublease the 2006/2007 taxable assessed value upon which the 2006/2007 real estate taxes for the Building are based, net of ICIP exemption benefits, is $27,243,000. Should the Taxes payable during the Base Year be reduced by final determination of legal proceedings, settlement or otherwise, then, the Taxes payable during the Base Year shall be correspondingly revised, the Additional Rent theretofore paid or payable hereunder for all subsequent years shall be recomputed on the basis of such reduction, and Subtenant shall pay to Landlord, Sublandlord as Additional Rent, the Landlord's Tax Expenses Allocable to the Premises for such corresponding Tax Year, and for each fraction of a Tax Year falling within the Term at the beginning or end thereof, Tenant shall pay to Landlord, as Additional Rent, the product of (i) such Applicable fraction of a Tax Year and (ii) the Landlord's Tax Expenses Allocable to the Premises for the Tax Year in which said fraction occurs. Not later than ninety (90) days after Landlord's Tax Expenses Allocable to the Premises are determined for the first such Tax Year or fraction thereof and for each succeeding Tax Year or fraction thereof during the Term, Landlord shall render Tenant a statement in reasonable detail certified by a representative of Landlord showing for the preceding year or fraction thereof, as the case may be, real estate taxes on the Buildings and the Site and abatements and refunds of any taxes and assessments. Expenditures for legal fees and for other expenses incurred in seeking the tax refund or abatement may be charged against the tax refund or abatement before the adjustments are made for the Tax Year. Said statement to be rendered to Tenant shall also show for the preceding Tax Year or fraction thereof as the case may be the amounts of real estate taxes already paid by Tenant as Additional Rent, and the amount of real estate taxes remaining due from, or overpaid by, Tenant for the year or other period covered by the statement. Within thirty (30) days after the date of delivery of the foregoing statement, Tenant shall pay to Landlord the balance of the amounts, if any, required to be paid pursuant to the above provisions of this Section 2.7 with respect to the preceding Tax Year or fraction thereof, or Landlord shall credit any amounts due from it to Tenant pursuant to the provisions of this Section 2.7 against (x) monthly installments of fixed rent next thereafter coming due or (y) any sums then due from Tenant to Landlord under this Lease (or refund such portion of the over-payment as aforesaid if the Term has ended and Tenant has no further obligation to Landlord). In the event Landlord succeeds in obtaining a reduction of such real estate taxes, rates or assessments with respect to a real estate tax fiscal year as to which Tenant contributed Tenant's share of Landlord's Tax Expenses, then, Tenant shall be entitled to receive its proportionate share of the net amount of any refund received or reduction obtained by Landlord to the extent allocable to the Term of this Lease. Tenant's entitlement to such refund amount shall survive the expiration of the Term. Landlord will, upon the written request of Tenant, who together with other tenants lease at least fifty (50%) of the Total Rentable Floor Area of the Complex, at Landlord's election either (i) apply for an abatement of real estate taxes or (ii) allow such tenants to apply for abatements in their own name, or in Landlord's name, at their own cost (subject to such tenants' right to recover such costs on a first dollar basis from the abatement proceeds, if any). If such tenants apply for an abatement of real estate taxes, then Landlord shall have the right to be involved in each step of the abatement process, including, without limitation, Landlord's right to approve all filings in connection with such abatement proceedings (such approval not to be unreasonably withheld) and the right to attend all meetings between Tenant and its representatives and the representatives of the Town of Bedford. In addition, payments by Tenant on account of Landlord's Tax Expenses Allocable to the Premises anticipated for the then current year shall be made monthly at the time and in the fashion herein provided for the payment of fixed rent. The amount so to be paid to Landlord shall be an amount reasonably estimated by Landlord to be sufficient to provide Landlord, in the aggregate, a sum equal to Landlord's Tax Expenses Allocable to the Premises, at least ten (10) days before after being billed therefor, any deficiency between the day on which amount of such payments Additional Rent as theretofore computed and the amount thereof due as the result of such recomputations. Should the Taxes payable during the Base Year be increased by Landlord would become delinquent. To the extent that real estate taxes such final determination of legal proceedings, settlement or otherwise, then appropriate recomputation and adjustment shall be payable made and the amount due by the Sublandlord to the taxing authority in installments with respect Subtenant shall be paid within ten (10) days after the recomputation or credit to periods less than the next rent due. Should the Taxes paid during any subsequent year be increased or decreased by a Tax Yearfinal determination of legal proceedings, settlement or otherwise, then an appropriate recomputation and adjustment shall be made between the Sublandlord and Subtenant and any amount owed by the Subtenant shall be paid within ten (10) days after the Subtenant is billed therefor and be deemed Additional Rent, and any amount owed by the Sublandlord to the Subtenant shall be paid within ten (10) days after the recomputation or credit to the next rent due. For purposes of Section 11(B) of this Sublease, the foregoing statement shall be rendered and payments made on account of such installments. Terms used herein are defined as follows:term “

Real Estate Taxes. For each Tax Year falling within the Term, Tenant’s Pro Rata Share of Operating Expenses and Real Estate Taxes shall be paid by Tenant shall pay to Landlord, in monthly installments in such amounts as Additional Rent, the Landlord's Tax Expenses Allocable to the Premises for such corresponding Tax Year, are estimated and for each fraction of a Tax Year falling within the Term billed by Landlord at the beginning of each twelve (12) month period commencing and ending on dates designated by Landlord, each installment being due on the first day of each calendar month. If at any time during such twelve (12) month period, it shall appear that Landlord has materially underestimated or end thereofoverestimated Operating Expenses or Real Estate Taxes, Landlord may re-estimate Tenant’s Pro Rata Share of Operating Expenses and Real Estate Taxes and may xxxx Tenant for any deficiency or credit Tenant for any surplus which may have accrued during such twelve (12) month period and thereafter the monthly installment payable by Tenant shall pay to Landlord, as Additional Rent, the product of (i) such Applicable fraction of a Tax Year and (ii) the Landlord's Tax Expenses Allocable to the Premises for the Tax Year in which said fraction occursalso be adjusted. Not later than Within ninety (90) days after Landlord's Tax Expenses Allocable the end of each such twelve (12) month period or, subject to the Premises are determined one hundred eighty (180) day time period set forth below, as soon thereafter as Landlord is able to do so), Landlord shall deliver to Tenant a statement (the “Statement”) of Operating Expenses and Real Estate Taxes for such twelve (12) month period and the first monthly installments paid or payable shall be adjusted between Landlord and Tenant, and each party hereby agrees that Tenant shall pay Landlord or Landlord shall credit Tenant’s account (or, if such Tax Year or fraction thereof and for each succeeding Tax Year or fraction thereof during adjustment is at the end of the Term, Landlord shall render Tenant a statement in reasonable detail certified by a representative of Landlord showing for the preceding year or fraction thereofpay Tenant), as the case may be, real estate taxes on the Buildings and the Site and abatements and refunds of any taxes and assessments. Expenditures for legal fees and for other expenses incurred in seeking the tax refund or abatement may be charged against the tax refund or abatement before the adjustments are made for the Tax Year. Said statement to be rendered to Tenant shall also show for the preceding Tax Year or fraction thereof as the case may be the amounts of real estate taxes already paid by Tenant as Additional Rent, and the amount of real estate taxes remaining due from, or overpaid by, Tenant for the year or other period covered by the statement. Within within thirty (30) days after the date of delivery receipt of the foregoing statementStatement, Tenant shall pay to Landlord the balance amount of the amounts, if any, required to be any excess or deficiency in Tenant’s Pro Rata Share of Operating Expenses and Real Estate Taxes paid pursuant to the above provisions of this Section 2.7 with respect to the preceding Tax Year or fraction thereof, or Landlord shall credit any amounts due from it to Tenant pursuant to the provisions of this Section 2.7 against (x) monthly installments of fixed rent next thereafter coming due or (y) any sums then due from by Tenant to Landlord under this Lease during such twelve (or refund 12) month period. Failure of Landlord to provide the Statement within the time prescribed shall not relieve Tenant from its obligations hereunder. Notwithstanding anything herein to the contrary, if Landlord fails to submit a Statement within one hundred eighty (180) days after the end of each such portion of the over-payment as aforesaid if the Term has ended twelve (12) month period, Landlord will lose its rights and Tenant has will have no further obligation to pay Landlord). In ’s actual increases in Operating Expenses for the event preceding twelve (12) month period, although Landlord succeeds in obtaining a reduction of has the right to retain any such real estate taxes, rates or assessments with respect to a real estate tax fiscal year as to which increases paid by Tenant contributed Tenant's share of Landlord's Tax Expenses, then, Tenant shall be entitled to receive its proportionate share over the course of the net amount preceding twelve (12) month period. Landlord acknowledges that Tenant’s ability to budget for increased Operating Expenses depends on the delivery a Statement within the time period set forth hereinabove, and accordingly agrees that time is of any refund received or reduction obtained by Landlord to the extent allocable to the Term essence of this LeaseParagraph. Tenant's entitlement to such refund amount shall survive the expiration of the Term. Landlord willProvided Tenant is not in default beyond any applicable notice and cure periods hereunder, upon the written request of Tenant, who together with other tenants lease at least fifty (50%) of the Total Rentable Floor Area of the Complexits cost, at Landlord's election either (i) apply for an abatement of real estate taxes or (ii) allow such tenants to apply for abatements in their own name, or in Landlord's name, at their own cost (subject to such tenants' right to recover such costs on a first dollar basis from the abatement proceeds, if any). If such tenants apply for an abatement of real estate taxes, then Landlord shall have the right to be involved inspect or audit, in each step Landlord’s offices in Phoenix, Arizona, during Landlord’s usual business hours, within the one hundred twenty (120) day period following delivery of the abatement process, including, without limitationExpense Statement, Landlord's ’s records of the Operating Expenses referred to in such statement. Any such independent certified public accountant or other professional utilized by Tenant in respect to any such inspection or audit shall not be engaged on a contingency fee or similar basis, but shall only be engaged on the basis of a fixed fee or fixed hourly rate schedule. Tenant shall pay the costs of such audit or inspection, including One Hundred Dollars ($100.00) per hour for Landlord’s or the property manager’s or employees’ time in excess of twenty (20) hours per year devoted to any such inspection or audit, so as to reimburse Landlord for Landlord’s overhead costs allocable to the inspection or audit; provided, however, that if the Expense Statement for the time period in question is determined to be in error, resulting in an overcharge by Landlord of more than three percent (3%) during the applicable period under review, Landlord shall pay the reasonable inspection/audit out-of-pocket costs of Tenant and Landlord shall waive any hourly fee due to Landlord for such overhead costs. Tenant may not conduct an inspection or have an audit performed pursuant to this paragraph more than once during any calendar year. Tenant shall maintain the results of such audit and inspection unless such third party likewise agrees with Landlord in writing in advance to maintain the results of such audit or inspection as confidential; provided, however, that such obligations of confidentiality shall not prohibit disclosure of such information to the extent required in any arbitration proceeding hereunder or in any litigation or other similar proceeding between Landlord and Tenant hereunder or as may be otherwise required by governmental requirement. If within such one hundred twenty (120) day period (or such added time as may be reasonably required if Tenant were to exercise its right to approve all filings in connection with such abatement proceedings (such approval not to be unreasonably withheld) and audit towards the right to attend all meetings between Tenant and its representatives and the representatives end of the Town of Bedford. In addition, payments by Tenant on account of Landlord's Tax Expenses Allocable one hundred and twenty (120) day period) neither party hereto delivers to the Premises anticipated for the then current year other party a notice referring in reasonable detail to one or more errors in such statement, it shall be made monthly at deemed conclusively that the time and information set forth in the fashion herein provided for Expense Statement is correct, complete and binding on the payment of fixed rent. The amount so to be paid to Landlord shall be an amount reasonably estimated by Landlord to be sufficient to provide Landlord, in the aggregate, a sum equal to Landlord's Tax Expenses Allocable to the Premises, at least ten (10) days before the day on which such payments by Landlord would become delinquent. To the extent that real estate taxes shall be payable to the taxing authority in installments with respect to periods less than a Tax Year, the foregoing statement shall be rendered and payments made on account of such installments. Terms used herein are defined as follows:Tenant.

Real Estate Taxes. For each Tax Year falling within the Term, Tenant shall pay to Landlord, as Additional Rent, an amount (“Tenant’s Tax Share”) equal to Tenant’s Percentage of the Landlord's Taxes (as hereinafter defined) due (or estimated to be due by governmental authority) for any twelve-month period established by Landlord (an “Operating Year”) during the term of this Lease. Except as otherwise provided in the immediately following paragraph, Tenant shall pay Tenant’s Tax Expenses Allocable Share to Landlord at least ten (10) days prior to the Premises date or dates within any year during the term hereof that the same, or any fractional share thereof, shall be due and payable to any governmental authority responsible for collection of same (as stated in a notice to Tenant given at least thirty (30) days prior to the date or dates any such corresponding payment shall be due, which notice shall set forth in reasonable detail the manner of computation of any Tenant’s Tax YearShare due from Tenant), except that such payment shall be made to Landlord not later than ten (10) days after such notice to Tenant, if such notice is given subsequent to the date thirty (30) days prior to the date the same is due and for each fraction of a Tax Year falling within the Term at the beginning or end thereofpayable as aforesaid. At Landlord’s election, Tenant shall pay to Landlord, as Additional Rent on the first day of each calendar month during the term but otherwise in the manner provided for the payment of Annual Fixed Rent, estimated payments on account of Tenant’s Tax Share, such monthly amounts to be sufficient to provide Landlord by the product time Tax payments are due or are to be made by Landlord a sum equal to Tenant’s Tax Share for the then current Operating Year, as reasonably estimated by Landlord from time to time. Prior to the beginning of each Operating Year during the term of this Lease, or within a reasonable period of time thereafter, Landlord shall give to Tenant in writing its reasonable estimate of Tenant’s Tax Share for such Operating Year (iwhich estimate Landlord may subsequently change), and Tenant shall pay to Landlord each month with Tenant’s monthly installment of Annual Fixed Rent, one-twelfth (1/12th) of such Applicable fraction most recent estimate (prorated with respect to any partial month at the beginning or end of the term), provided, however, if Landlord shall fail to give Tenant a revised estimate of Tenant’s Tax Share for any Operating Year, Tenant shall continue to pay to Landlord Additional Rent on account of Tenant’s Tax Share based upon Landlord’s most recent estimate of Tenant’s Tax Share until Landlord gives Tenant a new estimate thereof. Within a reasonable period of time after the end of each Operating Year during the term (but Landlord shall endeavor to provide within one hundred twenty (120) days of the end of the Operating Year), Landlord shall give Tenant a written notice setting forth the amount of Taxes for the preceding Operating Year and a computation of Tenant’s Tax Share in reasonable detail. If the total of Tenant’s monthly remittances on account of Tenant’s Tax Share for any Operating Year is greater than Tenant’s Tax Share for such Operating Year, Landlord shall credit such overpayment against Tenant’s subsequent obligations on account of Taxes (iior refund such overpayment within thirty (30) days if the term of this Lease has ended and Tenant has no further obligations to Landlord's ); if the total of such remittances is less than Tenant’s Tax Expenses Allocable Share for such Operating Year, Tenant shall pay the difference to the Premises for the Tax Year in which said fraction occurs. Not later than ninety Landlord within thirty (9030) days after being so notified by Landlord's Tax Expenses Allocable . In the event that the Commencement Date shall occur or the term of this Lease shall expire or be terminated during any Operating Year, or should the Operating Year or period of assessment of real estate taxes be changed or be more or less than one (1) year, or should Tenant’s Percentage be modified during any Operating Year due to a change in the rentable area of the Property and/or the Premises are determined for the first such Tax Year or fraction thereof and for each succeeding Tax Year or fraction thereof during the Term, Landlord shall render Tenant a statement in reasonable detail certified by a representative of Landlord showing for the preceding year or fraction thereofotherwise, as the case may be, real estate taxes on then the Buildings and the Site and abatements and refunds amount of any taxes and assessments. Expenditures for legal fees and for other expenses incurred in seeking the tax refund or abatement Tenant’s Tax Share which may be charged against the tax refund or abatement before the adjustments are made for the Tax Year. Said statement to be rendered to Tenant shall also show for the preceding Tax Year or fraction thereof as the case may be the amounts of real estate taxes already paid otherwise payable by Tenant as Additional Rent, and the amount of real estate taxes remaining due from, or overpaid by, Tenant for the year or other period covered by the statement. Within thirty (30) days after the date of delivery of the foregoing statement, Tenant shall pay to Landlord the balance of the amounts, if any, required to be paid pursuant to the above provisions of provided in this Section 2.7 with respect to the preceding Tax Year or fraction thereof, or Landlord shall credit any amounts due from it to Tenant pursuant to the provisions of this Section 2.7 against (x) monthly installments of fixed rent next thereafter coming due or (y) any sums then due from Tenant to Landlord under this Lease (or refund such portion of the over-payment as aforesaid if the Term has ended and Tenant has no further obligation to Landlord). In the event Landlord succeeds in obtaining a reduction of such real estate taxes, rates or assessments with respect to a real estate tax fiscal year as to which Tenant contributed Tenant's share of Landlord's Tax Expenses, then, Tenant Subsection 4.2.1 shall be entitled to receive its proportionate share of the net amount of any refund received or reduction obtained by Landlord to the extent allocable to the Term of this Lease. Tenant's entitlement to such refund amount shall survive the expiration of the Term. Landlord will, upon the written request of Tenant, who together with other tenants lease at least fifty (50%) of the Total Rentable Floor Area of the Complex, at Landlord's election either (i) apply for an abatement of real estate taxes or (ii) allow such tenants to apply for abatements in their own name, or in Landlord's name, at their own cost (subject to such tenants' right to recover such costs pro-rated on a first dollar daily basis from the abatement proceeds, if any). If such tenants apply for an abatement of real estate taxes, then Landlord shall have the right to be involved in each step of the abatement process, including, without limitation, Landlord's right to approve all filings in connection with such abatement proceedings (such approval not to be unreasonably withheld) and the right to attend all meetings between Tenant and its representatives and the representatives of the Town of Bedford. In addition, payments by Tenant based on account of Landlord's Tax Expenses Allocable to the Premises anticipated for the then current year shall be made monthly at the time and in the fashion herein provided for the payment of fixed rent. The amount so to be paid to Landlord shall be an amount reasonably estimated by Landlord to be sufficient to provide Landlord, in the aggregate, a sum equal to Landlord's Tax Expenses Allocable to the Premises, at least ten (10) days before the 365 day on which such payments by Landlord would become delinquent. To the extent that real estate taxes shall be payable to the taxing authority in installments with respect to periods less than a Tax Operating Year, the foregoing statement shall be rendered and payments made on account of such installments. Terms used herein are defined as follows:.

Real Estate Taxes. For each Tax Year falling within Beginning on the TermEffective Date and continuing throughout the term of this Lease, Tenant shall pay or cause to be paid to Landlord, as Additional Rentadditional rent, the Landlord's Tax Expenses Allocable to the Premises for such corresponding Tax Year, and for each fraction of a Tax Year falling within the Term at the beginning or end thereof, Tenant shall pay to Landlord, as Additional Rent, the product of (i) such Applicable fraction of a Tax Year and (ii) the Landlord's Tax Expenses Allocable to the Premises for the Tax Year in which said fraction occurs. Not later than ninety (90) days after Landlord's Tax Expenses Allocable to the Premises are determined for the first such Tax Year or fraction thereof and for each succeeding Tax Year or fraction thereof during the Term, Landlord shall render Tenant a statement in reasonable detail certified by a representative of Landlord showing for the preceding year or fraction thereof, as the case may be, real estate taxes on the Buildings and the Site and abatements and refunds of any taxes and assessments. Expenditures for legal fees and for other expenses incurred in seeking the tax refund or abatement may be charged against the tax refund or abatement before the adjustments are made for the Tax Year. Said statement to be rendered to Tenant shall also show for the preceding Tax Year or fraction thereof as the case may be the amounts of real estate taxes already paid by Tenant as Additional Rent, and the amount of real estate taxes remaining due from, or overpaid by, Tenant for the year or other period covered by the statement. Within thirty (30) days after of receipt from Landlord of a written invoice therefor, all real estate taxes, assessments, water and sewer rents, impact or developmental fees, rental taxes, and other governmental charges of any kind and nature whatsoever which at any time during the term of this Lease may be assessed, levied, confirmed, imposed upon, or become due and payable out of or in respect of or become a lien on the Leased Premises and any and all improvements thereon or any appurtenances thereto (collectively, the “Taxes”). Upon the Effective Date of this Lease, Tenant shall reimburse Landlord for any Taxes prepaid by Landlord which are applicable to the Leased Premises and which relate to any period following the Effective Date. All taxes for the years in which the term of the Lease begins and ends shall be prorated, if applicable, between the parties as of the Effective Date or the expiration of the term of this Lease, respectively, on a calendar year basis, so that Tenant shall pay only those Taxes which correspond with the portion of the taxing periods as are within the term of this Lease. In the event the Taxes are not identified or apportioned by the taxing authority at least thirty (30) days before such Taxes are due, provided that Landlord has given Tenant notice in writing setting forth the tax bill and the calculations of the amount of such Taxes due, and provided that Tenant shall pay any late fees owing on such Taxes only if Landlord has given at least thirty (30) days’ prior written notice of the due date of delivery of the foregoing statementsuch Taxes, Tenant shall pay to Landlord such sums as Landlord, in its reasonable discretion, shall determine to be necessary to pay the balance Taxes for which Tenant may be liable under this Lease. Any invoice submitted by Landlord to Tenant requesting the payment of Taxes shall be accompanied by a calculation of Tenant’s share of such taxes. Landlord shall pay all Taxes for that portion of the amounts, if any, required to be paid pursuant then current taxing period which are prior to the above provisions Effective Date and subsequent to the expiration date of the term of this Section 2.7 Lease. If Tenant shall at any time fail to pay any Taxes in accordance with respect to the preceding Tax Year or fraction thereof, or Landlord shall credit any amounts due from it to Tenant pursuant to the provisions of this Section 2.7 against (x) monthly installments Section, then Landlord may, but shall not be obligated to pay, upon written notice to Tenant, all or any such Taxes, together with all interest, penalties, fines or costs added thereto by the taxing authority, for the account and at the expense of fixed rent next thereafter coming due Tenant without releasing Tenant from any obligation contained in this Lease or (y) from any sums then due from default by Tenant and without waiving Landlord’s right to Landlord take such action as may be permissible under this Lease (or refund such portion of the over-payment as aforesaid if the Term has ended and Tenant has no further obligation to Landlord). In the event Landlord succeeds in obtaining a reduction result of such real estate taxesdefault. Notwithstanding the foregoing, rates or assessments with respect to a real estate tax fiscal year as to which Tenant contributed Tenant's share of Landlord's Tax Expenses, then, Tenant “Taxes” shall be entitled deemed to receive its proportionate share of the net amount of any refund received or reduction obtained by Landlord to the extent allocable to the Term of this Lease. Tenant's entitlement to such refund amount shall survive the expiration of the Term. Landlord will, upon the written request of Tenant, who together with other tenants lease at least fifty (50%) of the Total Rentable Floor Area of the Complex, at Landlord's election either (i) apply for an abatement of real estate taxes or (ii) allow such tenants to apply for abatements in their own name, or in Landlord's name, at their own cost (subject to such tenants' right to recover such costs on a first dollar basis from the abatement proceeds, if any). If such tenants apply for an abatement of real estate taxes, then Landlord shall have the right to be involved in each step of the abatement process, including, without limitation, Landlord's right to approve all filings in connection with such abatement proceedings (such approval not to be unreasonably withheld) and the right to attend all meetings between Tenant and its representatives and the representatives of the Town of Bedford. In addition, payments by Tenant on account of Landlord's Tax Expenses Allocable to the Premises anticipated for the then current year shall be made monthly at the time and in the fashion herein provided for the payment of fixed rent. The amount so to be paid to Landlord shall be an amount reasonably estimated by Landlord to be sufficient to provide Landlord, in the aggregate, a sum equal to Landlord's Tax Expenses Allocable to the Premises, at least ten (10) days before the day on which such payments by Landlord would become delinquent. To the extent that real estate taxes shall be payable to the taxing authority in installments with respect to periods less than a Tax Year, the foregoing statement shall be rendered and payments made on account of such installments. Terms used herein are defined as follows:exclude

Real Estate Taxes. For each If with respect to any full Tax Year or fraction of a Tax Year falling within the Term, Landlord’s Tax Expenses Allocable to the Premises as hereinafter defined for a full Tax Year exceed Base Taxes Allocable to the Premises, or for any such fraction of a Tax Year exceed the corresponding fraction of Base Taxes Allocable to the Premises then, on or before the thirtieth (30th) day following receipt by Tenant of the certified statement referred to below in this Section 2.7, then Tenant shall pay to Landlord, as Additional Rent, the Landlord's Tax Expenses Allocable to the Premises for amount of such corresponding Tax Year, and for each fraction of a Tax Year falling within the Term at the beginning or end thereof, Tenant shall pay to Landlord, as Additional Rent, the product of (i) such Applicable fraction of a Tax Year and (ii) the Landlord's Tax Expenses Allocable to the Premises for the Tax Year in which said fraction occursexcess. Not later than ninety (90) days after Landlord's ’s Tax Expenses Allocable to the Premises are determined for the first such Tax Year or fraction thereof and for each succeeding Tax Year or fraction thereof during the Term, Landlord shall render Tenant a statement in reasonable detail certified by a representative of Landlord showing for the preceding year or fraction thereof, as the case may be, real estate taxes on the Buildings Building and the Site and abatements and refunds of any taxes and assessments. At Tenant’s request, Landlord shall furnish Tenant with copies of the tax bills used to prepare such statement. Expenditures for legal fees and for other expenses incurred in seeking the tax refund or abatement may be charged against the tax refund or abatement before the adjustments are made for the Tax Year. Only Landlord shall have the right to institute tax reduction or other proceedings to reduce real estate taxes or the valuation of the Building and the Site. Said statement to be rendered to Tenant shall also show for the preceding Tax Year or fraction thereof as the case may be the amounts of real estate taxes already paid by Tenant as Additional Rent, and the amount of real estate taxes remaining due from, or overpaid by, Tenant for the year or other period covered by the statement. Within thirty (30) days after the date of delivery of the foregoing statement, Tenant shall pay to Landlord the balance of the amounts, if any, required to be paid pursuant to the above provisions of this Section 2.7 with respect to the preceding Tax Year or fraction thereof, or Landlord shall credit any amounts due from it to Tenant pursuant to the provisions of this Section 2.7 against (x) monthly installments of fixed rent next thereafter coming due or (y) any sums then due from Tenant to Landlord under this Lease (or refund such portion of the over-payment as aforesaid if the Term has ended and Tenant has no further obligation to Landlord). In the event Landlord succeeds in obtaining a reduction of such real estate taxes, rates or assessments with respect to a real estate tax fiscal year as to which Tenant contributed Tenant's share of Landlord's Tax Expenses, then, Tenant shall be entitled to receive its proportionate share of the net amount of any refund received or reduction obtained by Landlord to the extent allocable to the Term of this Lease. Tenant's entitlement to such refund amount shall survive the expiration of the Term. Landlord will, upon the written request of Tenant, who together with other tenants lease at least fifty (50%) of the Total Rentable Floor Area of the Complex, at Landlord's election either (i) apply for an abatement of real estate taxes or (ii) allow such tenants to apply for abatements in their own name, or in Landlord's name, at their own cost (subject to such tenants' right to recover such costs on a first dollar basis from the abatement proceeds, if any). If such tenants apply for an abatement of real estate taxes, then Landlord shall have the right to be involved in each step of the abatement process, including, without limitation, Landlord's right to approve all filings in connection with such abatement proceedings (such approval not to be unreasonably withheld) and the right to attend all meetings between Tenant and its representatives and the representatives of the Town of Bedford. In addition, payments by Tenant on account of Landlord's Tax Expenses Allocable to the Premises anticipated for the then current year shall be made monthly at the time and in the fashion herein provided for the payment of fixed rent. The amount so to be paid to Landlord shall be an amount reasonably estimated by Landlord to be sufficient to provide Landlord, in the aggregate, a sum equal to Landlord's Tax Expenses Allocable to the Premises, at least ten (10) days before the day on which such payments by Landlord would become delinquent. To the extent that real estate taxes shall be payable to the taxing authority in installments with respect to periods less than a Tax Year, the foregoing statement shall be rendered and payments made on account of such installments. Terms used herein are defined as follows:thirty

Real Estate Taxes. For each Tax Year falling within the Term, Tenant shall pay to Landlord, as Additional Rent, the Landlord's Tax Expenses Allocable to the Premises for such corresponding Tax Year, and for each fraction of a Tax Year falling within the Term at the beginning or end thereof, Tenant shall pay to Landlord, as Additional Rent, the product of (i) such Applicable applicable fraction of a Tax Year and (ii) the Landlord's Tax Expenses Allocable to the Premises for the Tax Year in which said fraction occurs. Not later than ninety (90) days after Landlord's Tax Expenses Allocable to the Premises are determined for the first such Tax Year or fraction thereof and for each succeeding Tax Year or fraction thereof during the Term, Landlord shall render Tenant a statement in reasonable detail certified by a representative of Landlord showing for the preceding year or fraction thereof, as the case may be, real estate taxes on the Buildings and the Site and abatements and refunds of any taxes and assessments. Expenditures for legal fees and for other expenses incurred in seeking the tax refund or abatement may be charged against the tax refund or abatement before the adjustments are made for the Tax Year. Said statement to be rendered to Tenant shall also show for the preceding Tax Year or fraction thereof as the case may be the amounts of real estate taxes already paid by Tenant as Additional Rent, and the amount of real estate taxes remaining due from, or overpaid by, Tenant for the year or other period covered by the statement. Within thirty (30) days after the date of delivery of the foregoing statement, Tenant shall pay to Landlord the balance of the amounts, if any, required to be paid pursuant to the above provisions of this Section 2.7 with respect to the preceding Tax Year or fraction thereof, or Landlord shall credit any amounts due from it to Tenant pursuant to the provisions of this Section 2.7 against (x) monthly installments of fixed rent next thereafter coming due or (y) any sums then due from Tenant to Landlord under this Lease (or refund such portion of the over-payment as aforesaid if the Term has ended and Tenant has no further obligation to Landlord). In the event Landlord succeeds in obtaining a reduction of such real estate taxes, rates or assessments with respect to a real estate tax fiscal year as to which Tenant contributed Tenant's share of Landlord's Tax Expenses, then, Tenant shall be entitled to receive its proportionate share of the net amount of any refund received or reduction obtained by Landlord to the extent allocable to the Term of this Lease. Tenant's entitlement to such refund amount shall survive the expiration of the Term. Landlord will, upon the written request of Tenant, who together with other tenants lease at least fifty (50%) of the Total Rentable Floor Area of the Complex, at Landlord's election either (i) apply for an abatement of real estate taxes or (ii) allow such tenants to apply for abatements in their own name, or in Landlord's name, at their own cost (subject to such tenants' right to recover such costs on a first dollar basis from the abatement proceeds, if any). If such tenants apply for an abatement of real estate taxes, then Landlord shall have the right to be involved in each step of the abatement process, including, without limitation, Landlord's right to approve all filings in connection with such abatement proceedings (such approval not to be unreasonably withheld) and the right to attend all meetings between Tenant and its representatives and the representatives of the Town of Bedford. In addition, payments by Tenant on account of Landlord's Tax Expenses Allocable to the Premises anticipated for the then current year shall be made monthly at the time and in the fashion herein provided for the payment of fixed rent. The amount so to be paid to Landlord shall be an amount reasonably estimated by Landlord to be sufficient to provide Landlord, in the aggregate, a sum equal to Landlord's Tax Expenses Allocable to the Premises, at least ten (10) days before the day on which such payments by Landlord would become delinquent. To the extent that real estate taxes shall be payable to the taxing authority in installments with respect to periods less than a Tax Year, the foregoing statement shall be rendered and payments made on account of such installments. Terms used herein are defined as follows:

Real Estate Taxes. For each If with respect to any full Tax Year from and after the Tax Year known as fiscal tax year 2016 (the 12-month period ending June 30, 2016) or fraction of a Tax Year falling within the TermTerm but after the Tax Year known as fiscal tax year 2016, Landlord’s Tax Expenses Allocable to the Premises (as hereinafter defined) for a full Tax Year exceed Base Taxes Allocable to the Premises or for any such fraction of a Tax Year exceed the corresponding fraction of Base Taxes Allocable to the Premises (such amount being hereinafter sometimes referred to as the “Tax Excess”) then, on or before the thirtieth (30th) day following receipt by Tenant of the certified statement referred to below in this Section 2.7, then Tenant shall pay to Landlord, as Additional Rent, the Landlord's Tax Expenses Allocable to the Premises for such corresponding Tax Year, and for each fraction amount of a Tax Year falling within the Term at the beginning or end thereof, Tenant shall pay to Landlord, as Additional Rent, the product of (i) such Applicable fraction of a Tax Year and (ii) the Landlord's Tax Expenses Allocable to the Premises for the Tax Year in which said fraction occursExcess. Not later than ninety (90) days after Landlord's ’s Tax Expenses Allocable to the Premises are determined for the first such Tax Year or fraction thereof and for each succeeding Tax Year or fraction thereof during the Term, Landlord shall render Tenant a statement in reasonable detail certified by a representative of Landlord showing for the preceding year or fraction thereof, as the case may be, real estate taxes on the Buildings Building and the Site and abatements and refunds of any taxes and assessmentsassessments (each a “Tax Statement”). Expenditures for legal fees and for other expenses incurred in seeking the tax refund or abatement may be charged against the tax refund or abatement before the adjustments are made for the Tax Year. Only Landlord shall have the right to institute tax reduction or other proceedings to reduce real estate taxes or the valuation of the Building and the Site. Said statement Tax Statement to be rendered to Tenant shall also show for the preceding Tax Year or fraction thereof as the case may be the amounts of real estate taxes already paid by Tenant as Additional Rent, and the amount of real estate taxes remaining due from, or overpaid by, Tenant for the year or other period covered by the statement. Within thirty (30) days after the date of delivery of the foregoing statementTax Statement, Tenant shall pay to Landlord the balance of the amounts, if any, required to be paid pursuant to the above provisions of this Section 2.7 with respect to the preceding Tax Year or fraction thereof, or Landlord shall credit any amounts due from it to Tenant pursuant to the provisions of this Section 2.7 against (xi) monthly installments of fixed rent next thereafter coming due or (yii) any sums then due from Tenant to Landlord under this Lease (or refund such portion of the over-payment as aforesaid if the Term has ended and Tenant has no further obligation to Landlord). In the event Landlord succeeds in obtaining a reduction of such real estate taxes, rates or assessments with respect to a real estate tax fiscal year as to which Tenant contributed Tenant's share of Landlord's Tax Expenses, then, Tenant shall be entitled to receive its proportionate share of the net amount of any refund received or reduction obtained by Landlord to the extent allocable to the Term of this Lease. Tenant's entitlement to such refund amount shall survive the expiration of the Term. Landlord will, upon the written request of Tenant, who together with other tenants lease at least fifty (50%) of the Total Rentable Floor Area of the Complex, at Landlord's election either (i) apply for an abatement of real estate taxes or (ii) allow such tenants to apply for abatements in their own name, or in Landlord's name, at their own cost (subject to such tenants' right to recover such costs on a first dollar basis from the abatement proceeds, if any). If such tenants apply for an abatement of real estate taxes, then Landlord shall have the right to be involved in each step of the abatement process, including, without limitation, Landlord's right to approve all filings in connection with such abatement proceedings (such approval not to be unreasonably withheld) and the right to attend all meetings between Tenant and its representatives and the representatives of the Town of Bedford. In addition, payments by Tenant on account of Landlord's Tax Expenses Allocable to the Premises increases in real estate taxes anticipated for the then current year commencing with July 1, 2016 shall be made monthly at the time and in the fashion herein provided for the payment of fixed rentrent for and after July, 2016. The amount so to be paid to Landlord shall be an amount reasonably estimated by Landlord to be sufficient to provide Landlord, in the aggregate, a sum equal to Landlord's Tax Expenses Allocable to the PremisesTenant’s share of such increases, at least ten (10) days before the day on which such payments by Landlord would become delinquent. To the extent that real estate taxes shall be payable to the taxing authority in installments with respect to periods less than a Tax Year, the foregoing statement shall be rendered and payments made on account of such installments. Terms used herein are defined as follows:

Real Estate Taxes. For each Tax Year falling within the Term, Tenant shall covenants to pay to Landlord, as Additional Rent, for each fiscal tax period (a “Tax Year”) partially or wholly included in the Term, Tenant’s Percentage of Taxes (as hereinafter defined). Tenant shall remit to Landlord's Tax Expenses Allocable , on the first day of each calendar month, estimated payments on account of Taxes, such monthly amounts to be sufficient to provide Landlord, by the time real estate tax payments are due and payable to any governmental authority responsible for collection of same, a sum equal to the Premises Tenant’s Percentage of Taxes, as reasonably estimated by Landlord from time to time on the basis of the most recent tax data available. The initial calculation of the monthly estimated payments shall be based upon the Initial Estimate of Tenant’s Percentage of Taxes for the Tax Year and upon quarterly payments being due to the ​ ​ governmental authority on August 1, November 1, February 1 and May 1, and shall be made when the Commencement Date has been determined. If the total of such monthly remittances for any Tax Year is greater than the Tenant’s Percentage of Taxes for such corresponding Tax year, Landlord shall promptly pay to Tenant, or credit against the next accruing payments to be made by Tenant pursuant to this subsection 4.2.1, the difference; if the total of such remittances is less than the Tenant’s Percentage of Taxes for such Tax Year, and for each fraction of a Tax Year falling within the Term at the beginning or end thereof, Tenant shall pay the difference to LandlordLandlord at least ten (10) days prior to the date or dates within such Tax Year that any Taxes become due and payable to the governmental authority (but in any event no earlier than ten (10) days following a written notice to Tenant, which notice shall set forth the manner of computation of Tenant’s Percentage of Taxes). This section shall survive the expiration or earlier termination of this Lease. If, after Tenant shall have made reimbursement to Landlord pursuant to this subsection 4.2.1, Landlord shall receive a refund of any portion of Taxes paid by Tenant with respect to any Tax Year during the Term hereof as a result of an abatement of such Taxes by legal proceedings, settlement or otherwise (without either party having any obligation to undertake any such proceedings), Landlord shall promptly pay to Tenant, or credit against the next accruing payments to be made by Tenant pursuant to this subsection 4.2.1, the Tenant’s Percentage of the refund (less the proportional, pro rata expenses, including attorneys’ fees and appraisers’ fees, incurred in connection with obtaining any such refund), as Additional Rent, the product of (i) such Applicable fraction of a relates to Taxes paid by Tenant to Landlord with respect to any Tax Year and for which such refund is obtained. In the event this Lease shall commence, or shall end (ii) by reason of expiration of the Landlord's Tax Expenses Allocable term or earlier termination pursuant to the Premises for provisions hereof), on any date other than the first or last day of the Tax Year, or should the Tax Year in which said fraction occurs. Not later or period of assessment of real estate taxes be changed or be more or less than ninety one (901) days after Landlord's Tax Expenses Allocable to the Premises are determined for the first such Tax Year or fraction thereof and for each succeeding Tax Year or fraction thereof during the Term, Landlord shall render Tenant a statement in reasonable detail certified by a representative of Landlord showing for the preceding year or fraction thereofyear, as the case may be, real estate taxes on then the Buildings and the Site and abatements and refunds amount of any taxes and assessments. Expenditures for legal fees and for other expenses incurred in seeking the tax refund or abatement Taxes which may be charged against the tax refund or abatement before the adjustments are made for the Tax Year. Said statement to be rendered to Tenant shall also show for the preceding Tax Year or fraction thereof as the case may be the amounts of real estate taxes already paid payable by Tenant as Additional Rent, and the amount of real estate taxes remaining due from, or overpaid by, Tenant for the year or other period covered by the statement. Within thirty (30) days after the date of delivery of the foregoing statement, Tenant shall pay to Landlord the balance of the amounts, if any, required to be paid pursuant to the above provisions of provided in this Section 2.7 with respect to the preceding Tax Year or fraction thereof, or Landlord shall credit any amounts due from it to Tenant pursuant to the provisions of this Section 2.7 against (x) monthly installments of fixed rent next thereafter coming due or (y) any sums then due from Tenant to Landlord under this Lease (or refund such portion of the over-payment as aforesaid if the Term has ended and Tenant has no further obligation to Landlord). In the event Landlord succeeds in obtaining a reduction of such real estate taxes, rates or assessments with respect to a real estate tax fiscal year as to which Tenant contributed Tenant's share of Landlord's Tax Expenses, then, Tenant subsection 4.2.1 shall be entitled to receive its proportionate share of the net amount of any refund received or reduction obtained by Landlord to the extent allocable to the Term of this Lease. Tenant's entitlement to such refund amount shall survive the expiration of the Term. Landlord will, upon the written request of Tenant, who together with other tenants lease at least fifty (50%) of the Total Rentable Floor Area of the Complex, at Landlord's election either (i) apply for an abatement of real estate taxes or (ii) allow such tenants to apply for abatements in their own name, or in Landlord's name, at their own cost (subject to such tenants' right to recover such costs on a first dollar basis from the abatement proceeds, if any). If such tenants apply for an abatement of real estate taxes, then Landlord shall have the right to be involved in each step of the abatement process, including, without limitation, Landlord's right to approve all filings in connection with such abatement proceedings (such approval not to be unreasonably withheld) appropriately apportioned and the right to attend all meetings between Tenant and its representatives and the representatives of the Town of Bedford. In addition, payments by Tenant on account of Landlord's Tax Expenses Allocable to the Premises anticipated for the then current year shall be made monthly at the time and in the fashion herein provided for the payment of fixed rent. The amount so to be paid to Landlord shall be an amount reasonably estimated by Landlord to be sufficient to provide Landlord, in the aggregate, a sum equal to Landlord's Tax Expenses Allocable to the Premises, at least ten (10) days before the day on which such payments by Landlord would become delinquent. To the extent that real estate taxes shall be payable to the taxing authority in installments with respect to periods less than a Tax Year, the foregoing statement shall be rendered and payments made on account of such installments. Terms used herein are defined as follows:adjusted.

Real Estate Taxes. For each Tax Year falling within the TermAll Real Estate Taxes and assessments which shall be validly levied, Tenant shall pay to Landlord, as Additional Rent, the Landlord's Tax Expenses Allocable to assessed or imposed upon the Premises for such corresponding Tax Year, and for each fraction of a Tax Year falling within during the Lease Term at the beginning or end thereof, Tenant shall pay to Landlord, as Additional Rent, the product of be paid by Tenant. Real Estate Taxes shall specifically exclude; (i) such Applicable fraction income, profits, intangible, documentary stamp, transfer, franchise, corporate, capital stock, succession, estate, gift or inheritance taxes or taxes substituted for or in lieu of a Tax Year and the foregoing exclusions; (ii) any assessment or additional tax associated with either a change in ownership of the Landlord's Tax Expenses Allocable Elm Road Medical Campus or the further improvement of the Elm Road Medical Campus (including but not limited to widening of exterior roads, the installation of or hook up to sewer lines, sanitary and storm drainage systems and other utility lines and installations), (iii) taxes on rents, gross receipts or revenues of Landlord from the Premises; and (iv) any penalties, late charges or the like attributable to the Premises late payment by Landlord of Real Estate Taxes or Landlord’s delay in delivering the Real Estate Tax bxxx to Tenant for payment, and (v) assessments and taxes based on the Tax Year assessed valuation of land not improved with commercial buildings or Common Areas Real Estate Taxes shall reflect any discount available to Landlord by prompt payment of such tax bxxx regardless of whether such prompt payment is actually made but only so long as Tenant shall have made its contribution within the applicable discount period. Landlord agrees to use best efforts to cause any new construction in which said fraction occurs. Not later than ninety (90) days after Landlord's Tax Expenses Allocable the Elm Road Medical Campus to be assessed separately from the Premises are determined and/or the existing Elm Road Medical Campus. Tenant’s Real Estate Taxes for the first such Tax Lease Year or fraction thereof of the Lease Term are estimated to be One Hundred Seventy Five Thousand Eight Hundred Seventy Three and for each succeeding Tax Year or fraction thereof during 60/100 Dollars ($175,873,60) ($3.83 per square foot of the Term, Landlord Premises). Tenant shall render Tenant a statement in reasonable detail certified by a representative of Landlord showing for have the preceding year or fraction thereof, as the case may be, exclusive right to contest and appeal all real estate taxes on and assessments against the Buildings Premises during the term of this Lease and Landlord hereby agrees to cooperate and assist Tenant in any such contest and appeal including but not limited to the Site and abatements and refunds execution of any documents necessary to prosecute any contest or appeal of real estate taxes and assessments. Expenditures for legal fees and for other expenses incurred in seeking the tax refund or abatement may be charged against the tax refund or abatement before the adjustments are made for the Tax Year. Said statement to be rendered to Tenant shall also show for the preceding Tax Year or fraction thereof as the case may be the amounts of real estate taxes already paid by Tenant as Additional Rent, and the amount of real estate taxes remaining due from, or overpaid by, Tenant for the year or other period covered by the statement. Within thirty (30) days after the date of delivery of the foregoing statement, Tenant shall pay to Landlord the balance of the amounts, if any, required to be paid pursuant to the above provisions of this Section 2.7 with respect to the preceding Tax Year or fraction thereof, or Landlord shall credit any amounts due from it to Tenant pursuant to the provisions of this Section 2.7 against (x) monthly installments of fixed rent next thereafter coming due or (y) any sums then due from Tenant to Landlord under this Lease (or refund such portion of the over-payment as aforesaid if the Term has ended and Tenant has no further obligation to Landlord). In the event Landlord succeeds in obtaining a reduction of such real estate taxes, rates or assessments with respect to a real estate tax fiscal year as to which Tenant contributed Tenant's share of Landlord's Tax Expenses, then, Tenant shall be entitled to receive its proportionate share of the net amount of any all refunds and/or rebates applicable to real estate taxes and assessments paid by Tenant pursuant to this Lease and Landlord agrees to pay said refund received or reduction obtained by Landlord rebate to Tenant to the extent allocable to the Term of this Lease. Tenant's entitlement to such said refund amount shall survive the expiration of the Term. Landlord will, upon the written request of Tenant, who together with other tenants lease at least fifty (50%) of the Total Rentable Floor Area of the Complex, at Landlord's election either (i) apply for an abatement of real estate taxes or (ii) allow such tenants to apply for abatements in their own name, rebate is granted or in Landlord's name, at their own cost (subject to such tenants' right to recover such costs on a first dollar basis from the abatement proceeds, if any). If such tenants apply for an abatement of real estate taxes, then Landlord shall have the right to be involved in each step of the abatement process, including, without limitation, Landlord's right to approve all filings in connection with such abatement proceedings (such approval not to be unreasonably withheld) and the right to attend all meetings between Tenant and its representatives and the representatives of the Town of Bedford. In addition, payments by Tenant on account of Landlord's Tax Expenses Allocable to the Premises anticipated for the then current year shall be made monthly at the time and in the fashion herein provided for the payment of fixed rent. The amount so to be paid to Landlord shall be an amount reasonably estimated by Landlord to be sufficient to provide Landlord, in the aggregate, a sum equal to Landlord's Tax Expenses Allocable to the Premises, at least ten (10) days before the day on which such payments by Landlord would become delinquent. To the extent that real estate taxes shall be payable to the taxing authority in installments with respect to periods less than a Tax Year, the foregoing statement shall be rendered and payments made on account form of such installments. Terms used herein are defined as follows:cash or credit.

Real Estate Taxes. For each Tax Year falling within the Term, Tenant shall pay to Landlord, as Additional Rentadditional rent, for each tax period partially or wholly included in the Term, Tenant’s Percentage of Taxes (as hereinafter defined). Tenant shall remit to Landlord, on the first day of each calendar month, estimated payments on account of Taxes, such monthly amounts to be sufficient to provide Landlord, by the time real estate tax payments are due and payable to any governmental authority responsible for collection of same, a sum equal to the Tenant’s Percentage of Taxes, as reasonably estimated by Landlord from time to time on the basis of the most recent tax data available. The initial calculation of the monthly estimated payments shall be based upon the Initial Estimate of Tenant’s Percentage of Taxes for the Tax Year and upon quarterly payments being due to the governmental authority on August 1, November 1, February 1 and May 1, and shall be made when the Commencement Date has been determined. If the total of such monthly remittances for any Tax Year is greater than the Tenant’s Percentage of Taxes for such Tax year, Landlord shall promptly pay to Tenant, or credit against the next accruing payments to be made by Tenant pursuant to this subsection 4.2.1, the Landlord's Tax Expenses Allocable to difference; if the Premises total of such remittances is less than the Tenant’s Percentage of Taxes for such corresponding Tax Year, and for each fraction of a Tax Year falling within the Term at the beginning or end thereof, Tenant shall pay the difference to Landlord at least ten (10) days prior to the date or dates within such Tax Year that any Taxes become due and payable to the governmental authority (but in any event no earlier than ten (10) days following a written notice to Tenant, which notice shall set forth the manner of computation of Tenant’s Percentage of Taxes). If, after Tenant shall have made reimbursement to Landlord pursuant to this subsection 4.2.1, Landlord shall receive a refund of any portion of Taxes paid by Tenant with respect to any Tax Year during the term hereof as a result of an abatement of such Taxes by legal proceedings, settlement or otherwise (without either party having any obligation to undertake any such proceedings), Landlord shall promptly pay to Tenant, or credit against the next accruing payments to be made by Tenant pursuant to this subsection 4.2.1, the Tenant’s Percentage of the refund (less the proportional, pro rata expenses, including attorneys’ fees and appraisers’ fees, incurred in connection with obtaining any such refund), as relates to Taxes paid by Tenant to Landlord with respect to any Tax Year for which such refund is obtained. Provided Landlord is not prosecuting an abatement with respect thereto, Tenant may, upon prior notice to Landlord, prosecute appropriate proceedings for abatement or reduction of any tax with respect to which Tenant is required to make payments as Additional Renthereinbefore provided, the product of (i) such Applicable fraction of a Tax Year and (ii) the proceedings to be conducted jointly with any other parties, including Landlord's Tax Expenses Allocable , who have contributed to the Premises for payment of such taxes, and Tenant agrees to save Landlord harmless from all costs and expenses incurred on account of Tenant’s participation in such proceedings. Landlord, without obligating itself to incur any costs or expenses in connection with such proceedings, shall cooperate with Tenant with respect to such proceedings so far as reasonably necessary. Any abatement or reduction effected by such proceedings shall accrue to the benefit of Tenant and Landlord and such other parties as their interests may appear according to their respective contributions to the taxes involved in any such proceedings. In the event this Lease shall commence, or shall end (by reason of expiration of the term or earlier termination pursuant to the provisions hereof), on any date other than the first or last day of the Tax Year, or should the Tax Year in which said fraction occurs. Not later or period of assessment of real estate taxes be changed or be more or less than ninety one (901) days after Landlord's Tax Expenses Allocable to the Premises are determined for the first such Tax Year or fraction thereof and for each succeeding Tax Year or fraction thereof during the Term, Landlord shall render Tenant a statement in reasonable detail certified by a representative of Landlord showing for the preceding year or fraction thereofyear, as the case may be, real estate taxes on then the Buildings and the Site and abatements and refunds amount of any taxes and assessments. Expenditures for legal fees and for other expenses incurred in seeking the tax refund or abatement Taxes which may be charged against the tax refund or abatement before the adjustments are made for the Tax Year. Said statement to be rendered to Tenant shall also show for the preceding Tax Year or fraction thereof as the case may be the amounts of real estate taxes already paid payable by Tenant as Additional Rent, and the amount of real estate taxes remaining due from, or overpaid by, Tenant for the year or other period covered by the statement. Within thirty (30) days after the date of delivery of the foregoing statement, Tenant shall pay to Landlord the balance of the amounts, if any, required to be paid pursuant to the above provisions of provided in this Section 2.7 with respect to the preceding Tax Year or fraction thereof, or Landlord shall credit any amounts due from it to Tenant pursuant to the provisions of this Section 2.7 against (x) monthly installments of fixed rent next thereafter coming due or (y) any sums then due from Tenant to Landlord under this Lease (or refund such portion of the over-payment as aforesaid if the Term has ended and Tenant has no further obligation to Landlord). In the event Landlord succeeds in obtaining a reduction of such real estate taxes, rates or assessments with respect to a real estate tax fiscal year as to which Tenant contributed Tenant's share of Landlord's Tax Expenses, then, Tenant subsection 4.2.1 shall be entitled to receive its proportionate share of the net amount of any refund received or reduction obtained by Landlord to the extent allocable to the Term of this Lease. Tenant's entitlement to such refund amount shall survive the expiration of the Term. Landlord will, upon the written request of Tenant, who together with other tenants lease at least fifty (50%) of the Total Rentable Floor Area of the Complex, at Landlord's election either (i) apply for an abatement of real estate taxes or (ii) allow such tenants to apply for abatements in their own name, or in Landlord's name, at their own cost (subject to such tenants' right to recover such costs on a first dollar basis from the abatement proceeds, if any). If such tenants apply for an abatement of real estate taxes, then Landlord shall have the right to be involved in each step of the abatement process, including, without limitation, Landlord's right to approve all filings in connection with such abatement proceedings (such approval not to be unreasonably withheld) appropriately apportioned and the right to attend all meetings between Tenant and its representatives and the representatives of the Town of Bedford. In addition, payments by Tenant on account of Landlord's Tax Expenses Allocable to the Premises anticipated for the then current year shall be made monthly at the time and in the fashion herein provided for the payment of fixed rent. The amount so to be paid to Landlord shall be an amount reasonably estimated by Landlord to be sufficient to provide Landlord, in the aggregate, a sum equal to Landlord's Tax Expenses Allocable to the Premises, at least ten (10) days before the day on which such payments by Landlord would become delinquent. To the extent that real estate taxes shall be payable to the taxing authority in installments with respect to periods less than a Tax Year, the foregoing statement shall be rendered and payments made on account of such installments. Terms used herein are defined as follows:adjusted.

Real Estate Taxes. For each If at any time or from time to time during the term of this Lease, the Real Estate Taxes for or attributable to any Real Estate Tax Year falling within shall be in excess of the TermBase Real Estate Taxes, and/or if any new tax or increase of the effective rate of present taxes shall become effective after the date hereof but before the normal tax escalation provision shall take effect, the rent payable hereunder in respect of such year shall be increased by an amount equal to seventy-three and five one hundredths percent (73.5%) of such excess and/or such new tax or increase during the First Term and forty and five one hundredths percent (40.5%) during the Second Term (the "Tenant's Tax Share"). Tenant shall pay to Landlord, not later than the sixty (60) days prior to the tax due date, or such other date as Additional Rentmay be specified in writing to Tenant by Landlord, the LandlordTenant's Tax Expenses Allocable to the Premises Share for such corresponding year. Where at any time such amount has become payable to Landlord hereunder, in addition to such amount, subsequent monthly installments of rent shall be increased by an amount equal to one-twelfth (1/12) of the Tenant's Tax YearShare, and for each fraction of a Tax Year falling within the Term at the beginning or end thereof, Tenant shall pay such monthly amounts when paid to Landlord, as Additional Rent, the product of (i) such Applicable fraction of a Tax Year and (ii) the Landlord's Tax Expenses Allocable to the Premises for the Tax Year in which said fraction occurs. Not later than ninety (90) days after Landlord's Tax Expenses Allocable to the Premises are determined for the first such Tax Year or fraction thereof and for each succeeding Tax Year or fraction thereof during the Term, Landlord shall render be available (without interest) as a credit against subsequent obligations of Tenant a statement in reasonable detail certified by a representative of to Landlord showing for the preceding year or fraction thereof, as the case may be, real estate taxes on the Buildings and the Site and abatements and refunds of any taxes and assessmentsunder this Article. Expenditures for legal fees and for other expenses incurred in seeking the tax refund or abatement may be charged against the tax refund or abatement before the adjustments are made for the Tax Year. Said statement to be rendered Landlord shall furnish to Tenant shall also show for upon the preceding Tax Year or fraction thereof as the case may be the amounts specific written request of real estate taxes already paid Tenant copies of all notices of valuation and assessment and all tax bills received by Tenant as Additional Rent, and the amount of real estate taxes remaining due from, or overpaid by, Tenant for the year or other period covered by the statementLandlord. Within thirty (30) days after the date of delivery of the foregoing statement, Tenant shall pay to Landlord as Additional Rent seventy-three and five one hundredths percent (73.5%) of any expenses incurred by Landlord in obtaining or attempting to obtain a reduction of any Real Estate Taxes during the balance First Term and forty and five one hundredths percent (40.5%) of such sum during the Second Term. Real Estate Taxes which are being contested by Landlord shall nevertheless be included for purposes of the amountscomputation of the liability of Tenant under this Article; provided, if anyhowever, required to be that in the event that Tenant shall have paid any amount of increased rent pursuant to this Article and Landlord shall thereafter receive a refund of any portion of the above provisions Real Estate Taxes on which such payment shall have been based, Landlord shall pay to Tenant the appropriate portion of this Section 2.7 such refund after deduction of the aforementioned expenses. Notwithstanding the year for which any such Real Estate Taxes or assessments were levied, (i) in the case of taxes or assessments which may be payable in installments over more than one (1) year, the amount of each installment (other than interest and penalties for delinquent payments), paid during a calendar year shall be included in Real Estate Taxes for that year, and (ii) if any taxes or assessments payable during any calendar year shall be computed with respect to a period in excess of twelve (12) calendar months, then taxes or assessments applicable to the preceding Tax Year excess period shall be included in Real Estate Taxes for the year in which paid only if due and payable in that year. Except as hereinabove provided, all references to Taxes "for" a particular year shall be deemed to refer to taxes levied, assessed or fraction thereof, or otherwise imposed for each year without regard to when such taxes are payable. Landlord shall credit any amounts due from it take such steps and actions as are taken by owners of similar office buildings to Tenant pursuant to the provisions of this Section 2.7 against (x) monthly installments of fixed rent next thereafter coming due or (y) any sums then due from Tenant to Landlord under this Lease (or refund such portion of the over-payment as aforesaid if the Term has ended and Tenant has no further obligation to Landlord)minimize Real Estate Taxes. In the event Landlord succeeds in obtaining a reduction of such real estate taxes, rates any tax or assessments with respect assessment refund on account of the Building or the Property applicable to a real estate tax fiscal year as to which Tenant contributed Real Estate Taxes paid by Tenant's share of Landlord's Tax Expenses, then, Tenant shall be entitled to receive its and Landlord agrees to pay Tenant's proportionate share thereof to Tenant within 60 days of receipt of the refund; provided that Landlord shall be entitled, after giving notice thereof to Tenant, to set-off against Tenant's proportionate share of such refund any amount then due and owing by Tenant under the net amount terms hereof. Tenant's right to such share of any such refund received or reduction obtained by Landlord to as set forth above shall survive the extent allocable to the Term termination of this Lease. Tenant's entitlement Except as set forth in the next succeeding sentence, Landlord shall have no obligation to such refund amount shall survive contest, object to or to litigate the expiration levying or imposition of the Term. Landlord willany Real Estate Taxes and may settle, upon the written request compromise, consent to, waive or otherwise determine in its discretion any Real Estate Taxes without notice to, consent or approval of Tenant, who together with other . If tenants lease at least fifty occupying more than forty percent (5040%) of the Total Rentable Floor Area of Building request that the ComplexLandlord contest the Real Estate Taxes for any year, at Landlord's election the Landlord shall either (i) apply for an abatement contest such taxes in its own name with the costs of real estate taxes such to be deemed to be Operating Expenses to be shared by all tenants, or (ii) if permitted by applicable law allow the Tenant to contest such tenants to apply for abatements taxes in their its own name, or in Landlord's name, at their own cost (subject to such tenants' right to recover such costs on a first dollar basis from the abatement proceeds, if any). If such tenants apply for an abatement of real estate taxes, then Landlord shall have the right to be involved in each step of the abatement process, including, without limitation, Landlord's right to approve all filings in connection with such abatement proceedings (such approval not to be unreasonably withheld) and the right to attend all meetings between Tenant and its representatives and the representatives of the Town of Bedford. In addition, payments by Tenant on account of Landlord's Tax Expenses Allocable to the Premises anticipated for the then current year shall be made monthly at the time and in the fashion herein provided for the payment of fixed rent. The amount so to be paid to Landlord shall be an amount reasonably estimated by Landlord to be sufficient to provide Landlord, in the aggregate, a sum equal to Landlord's Tax Expenses Allocable to the Premises, at least ten (10) days before the day on which such payments by Landlord would become delinquent. To the extent that real estate taxes shall be payable to the taxing authority in installments with respect to periods less than a Tax Year, the foregoing statement shall be rendered and payments made on account of such installments. Terms used herein are defined as follows:.

Real Estate Taxes. For each Tax Year falling within the TermReal estate or ad valorem real property taxes, Tenant shall pay to Landlord, as Additional Rent, the Landlord's Tax Expenses Allocable to the Premises for such corresponding Tax Year, assessments (including installments of business improvement district charges and for each fraction of a Tax Year falling within the Term at the beginning or end thereof, Tenant shall pay to Landlord, as Additional Rent, the product of (i) such Applicable fraction of a Tax Year principal and (ii) the Landlord's Tax Expenses Allocable to the Premises for the Tax Year in which said fraction occurs. Not later than ninety (90) days after Landlord's Tax Expenses Allocable to the Premises are determined for the first such Tax Year or fraction thereof and for each succeeding Tax Year or fraction thereof during the Term, Landlord shall render Tenant a statement in reasonable detail certified by a representative of Landlord showing for the preceding year or fraction thereof, as the case may be, real estate taxes interest installments due on the Buildings and the Site and abatements and refunds of any taxes and assessments. Expenditures for legal fees and for other expenses incurred in seeking the tax refund or abatement may be charged against the tax refund or abatement before the adjustments are made for the Tax Year. Said statement to be rendered to Tenant shall also show for the preceding Tax Year or fraction thereof as the case may be the amounts of real estate taxes already paid by Tenant as Additional Rent, and the amount of real estate taxes remaining due from, or overpaid by, Tenant for the year or other period covered by the statement. Within thirty (30) days after the date of delivery of the foregoing statement, Tenant shall pay to Landlord the balance of the amountslocal improvement district liens, if any, required to be paid pursuant to the above provisions of this Section 2.7 ) and personal property taxes with respect to the preceding Tax Year or fraction thereofProperty (collectively, or Landlord "Real Estate Taxes") shall credit any amounts due from it to Tenant pursuant be prorated based upon the latest available tax bill, such that Property Owner shall be responsible for all Real Xxxate Taxes levied against the Property for the period prior to the provisions of this Section 2.7 Adjustment Time and CBL/OP shall be responsible for all Real Estate Taxes levied against the Property for the period from and after the Adjustment Time. If the latest available tax bill is not the bill for the current tax year, then Real Estate Xxxxs shall be pxxxxted based upon the latest tax information then available (xincluding previous tax bills, current assessments and other information available from the taxing authorities) monthly installments of fixed rent next thereafter coming due and CBL/OP and Property Owner shall re-prorate the Real Estate Taxes following the Closing as soon as the current tax bill or (y) any sums then due from Tenant to Landlord under this Lease (or refund such portion other current information becomes available. Any increase xx Real Estate Taxes which is assessed following the Closing arising out of the over-payment as aforesaid if sale of the Term has ended Real Property to CBL/OP or a subsequent sale or change in ownership thereafter, and/or arising out of any construction or improvements to the Real Property prior to or following the Closing, shall be paid by CBL/OP when assessed. Refunds of Real Estate Taxes for the Real Estate Tax year in which the Closing occurs, net of the costs of pursuing any tax contest or protest proceedings and Tenant has no further obligation collecting such refunds, shall be prorated in proportion to Landlord). In the event Landlord succeeds in obtaining a reduction respective shares of such real estate taxes, rates or assessments with respect to a real estate tax fiscal year as to which Tenant contributed Tenant's share of Landlord's Tax Expenses, then, Tenant shall be entitled to receive its proportionate share of the net amount of Real Estate Taxes borne by Property Owner and CBL/OP hereunder. Notwithstanding any refund received or reduction obtained by Landlord statement herein to the extent allocable to contrary, the Term of this Lease. Tenant's entitlement to such refund amount shall survive the expiration of the Term. Landlord will, upon the written request of Tenant, who together with other tenants lease at least fifty (50%) of the Total Rentable Floor Area of the Complex, at Landlord's election either (i) apply for an abatement of real estate taxes or (ii) allow such tenants to apply for abatements in their own name, or in Landlord's name, at their own cost (subject to such tenants' right to recover such costs on a first dollar basis from the abatement proceeds, if any). If such tenants apply for an abatement of real estate taxes, then Landlord shall have the right to be involved in each step of the abatement process, including, without limitation, Landlord's right to approve all filings in connection with such abatement proceedings (such approval not to be unreasonably withheld) and the right to attend all meetings between Tenant and its representatives and the representatives of the Town of Bedford. In addition, payments by Tenant on account of Landlord's Tax Expenses Allocable to the Premises anticipated for the then current year shall be made monthly at the time and in the fashion herein provided for the payment of fixed rent. The amount so to be paid to Landlord shall be an amount reasonably estimated by Landlord to be sufficient to provide Landlord, in the aggregate, a sum equal to Landlord's Tax Expenses Allocable to the Premises, at least ten (10) days before the day on which such payments by Landlord would become delinquent. To the extent parties agree that real estate taxes shall be payable prorated on the basis that Property Owner is responsible for taxes and assessments relating to periods prior to the Closing and CBL/OP is responsible for taxes and assessments relating to periods from the Closing and thereafter, and the parties further agree that this tax proration shall apply regardless of whether the taxing authority assesses taxes in installments with respect to periods less than a Tax Yeararrears, the foregoing statement shall be rendered and payments made on account of such installments. Terms used herein are defined as follows:currently or prospectively.

Real Estate Taxes. For each Tax Year falling within the Term, The Tenant shall pay to Landlordpay, as Additional RentRent hereunder, the Landlord's Tax Expenses Allocable Tenant’s Pro Rata Share of NNN the aggregate of real estate taxes imposed, assessed or levied upon the Property NNN. Tenant shall not be responsible for any interest or penalties incurred by Landlord as a result of the delinquent tax payment by Landlord unless and to the Premises for extent Tenant fails to make a timely payment prior to the date on which such corresponding Tax Yeartaxes are due, and for each fraction of a Tax Year falling within the Term at the beginning or end thereof, in which event Tenant shall be liable to pay that portion of any such interest or penalties equal to a fraction, the numerator of which is the amount of Tenant’s late payment and the denominator of which is the delinquent tax payment. Nothing contained in this Lease shall, however, require Tenant to pay any franchise, corporate, estate, inheritance, succession, capital levy or transfer tax of Landlord, as Additional Rentor any income, profits or revenue tax or charge upon the product of (i) such Applicable fraction of a Tax Year and (ii) the Landlord's Tax Expenses Allocable to the Premises for the Tax Year in which said fraction occurs. Not later than ninety (90) days after Landlord's Tax Expenses Allocable to the Premises are determined for the first such Tax Year or fraction thereof and for each succeeding Tax Year or fraction thereof rent payable by Tenant under this Lease; provided, however, that if, at any time during the Term, Landlord under the laws of the United States or any state or political subdivision thereof in which the Premises are situated, there shall render Tenant a statement in reasonable detail certified by a representative be adopted some other method of Landlord showing for the preceding year or fraction thereof, as the case may be, taxation on real estate as a substitute in whole or in part for taxes on the Buildings and the Site and abatements and refunds of any taxes and assessments. Expenditures for legal fees and for other expenses incurred in seeking the tax refund or abatement may be charged against the tax refund or abatement before the adjustments are made for the Tax Year. Said statement to be rendered to Tenant shall also show for the preceding Tax Year or fraction thereof as the case may be the amounts of real estate taxes already paid as now constituted, such as tax on the Annual Fixed Rent, Additional Rent or the other charges payable by Tenant as hereunder, by whatever name called, which is levied, assessed or imposed against Landlord or the rent or other charges payable hereunder to Landlord (which substitute tax on the Annual Fixed Rent, Additional Rent, and the amount of real estate taxes remaining due from, or overpaid by, Tenant for the year or other period covered by charges or other substitute method of taxation are hereinafter collectively referred to as “Substitute Taxes”), Tenant, to the statement. Within thirty (30) days after the date extent that such Substitute Taxes are means of delivery raising revenue from real estate, shall pay Tenant’s Pro Rata Share of the foregoing statementSubstitute Taxes in the same manner as if the same were Real Estate taxes, Tenant as herein provided. In the event that any such Substitute Taxes shall pay to Landlord be based upon the balance income of the amountsLandlord, if any, required to be paid pursuant to the above provisions of this Section 2.7 then Tenant’s obligation with respect to the preceding Tax Year or fraction thereof, or Landlord aforesaid Substitute Taxes shall credit any amounts due from it to Tenant pursuant be limited to the provisions amount thereof as computed at the rates that would be payable if the same were the sole taxable net income of this Section 2.7 against (x) monthly installments Landlord, with provision to be made for any deductions, exemptions or credits to which Landlord may be entitled, only on an equitable basis in computing the tax Landlord would so bear on account of fixed rent next thereafter coming the Annual Fixed Rent, Additional Rent or other charges then due or (y) any sums then thereafter becoming due from Tenant to Landlord for the taxable period under this Lease (or refund such portion of the over-payment as aforesaid if the Term has ended and Tenant has no further obligation to Landlord). In the event Landlord succeeds in obtaining a reduction of such real estate taxes, rates or assessments with respect to a real estate tax fiscal year as to which Tenant contributed Tenant's share of Landlord's Tax Expenses, then, Tenant shall be entitled to receive its proportionate share of the net amount of any refund received or reduction obtained by Landlord to the extent allocable to the Term terms of this Lease. Tenant's entitlement , all as if Landlord were not entitled to any such refund amount shall survive the expiration of the Term. Landlord willdeductions, upon the written request of Tenant, who together with other tenants lease at least fifty (50%) of the Total Rentable Floor Area of the Complex, at Landlord's election either (i) apply for an abatement of real estate taxes exemptions or (ii) allow such tenants to apply for abatements in their own name, or in Landlord's name, at their own cost (subject to such tenants' right to recover such costs on a first dollar basis from the abatement proceeds, if any). If such tenants apply for an abatement of real estate taxes, then Landlord shall have the right to be involved in each step of the abatement process, including, without limitation, Landlord's right to approve all filings in connection with such abatement proceedings (such approval not to be unreasonably withheld) and the right to attend all meetings between Tenant and its representatives and the representatives of the Town of Bedford. In addition, payments by Tenant on account of Landlord's Tax Expenses Allocable to the Premises anticipated for the then current year shall be made monthly at the time and in the fashion herein provided for the payment of fixed rent. The amount so to be paid to Landlord shall be an amount reasonably estimated by Landlord to be sufficient to provide Landlord, in the aggregate, a sum equal to Landlord's Tax Expenses Allocable to the Premises, at least ten (10) days before the day on which such payments by Landlord would become delinquent. To the extent that real estate taxes shall be payable to the taxing authority in installments with respect to periods less than a Tax Year, the foregoing statement shall be rendered and payments made on account of such installments. Terms used herein are defined as follows:credits.

Real Estate Taxes. For each Tax Year falling within (a) As further Rent in addition to the TermRent hereinabove mentioned, Tenant Lessee shall pay to Landlordall governmental taxes, as Additional Rentassessments, the Landlord's Tax Expenses Allocable to the Premises for such corresponding Tax Yearlevies, and for each fraction all other impositions, general and special, ordinary and extraordinary, of a Tax Year falling within the Term every kind and nature whatsoever, imposed at the beginning or end thereof, Tenant shall pay to Landlord, as Additional Rent, the product of (i) such Applicable fraction of a Tax Year and (ii) the Landlord's Tax Expenses Allocable to the Premises for the Tax Year in which said fraction occurs. Not later than ninety (90) days after Landlord's Tax Expenses Allocable to the Premises are determined for the first such Tax Year or fraction thereof and for each succeeding Tax Year or fraction thereof any time during the Term, Landlord shall render Tenant a statement in reasonable detail certified by a representative of Landlord showing for the preceding year or fraction thereof, as the case may be, real estate taxes on the Buildings and the Site and abatements and refunds of any taxes and assessments. Expenditures for legal fees and for other expenses incurred in seeking the tax refund or abatement may be charged against the tax refund or abatement before the adjustments are made for the Tax Year. Said statement to be rendered to Tenant shall also show for the preceding Tax Year or fraction thereof as the case may be the amounts of real estate taxes already paid by Tenant as Additional Rent, and the amount of real estate taxes remaining due from, or overpaid by, Tenant for the year or other period covered by the statement. Within thirty (30) days after the date of delivery of the foregoing statement, Tenant shall pay to Landlord the balance of the amounts, if any, required to be paid pursuant to the above provisions of this Section 2.7 with respect to the preceding Tax Year or fraction thereof, or Landlord shall credit any amounts due from it to Tenant pursuant to the provisions of this Section 2.7 against (x) monthly installments of fixed rent next thereafter coming due or (y) any sums then due from Tenant to Landlord under this Lease (or refund such portion of the over-payment as aforesaid if the Term has ended and Tenant has no further obligation to Landlord). In the event Landlord succeeds in obtaining a reduction of such real estate taxes, rates or assessments with respect to a real estate tax fiscal year as to which Tenant contributed Tenant's share of Landlord's Tax Expenses, then, Tenant shall be entitled to receive its proportionate share of the net amount of any refund received or reduction obtained by Landlord to the extent allocable to the Term of this Lease. Tenant's entitlement to , upon or against the Building or any part thereof, or upon or against any building or improvement or any part thereof, situated thereon, or upon fixtures and personal property placed in such refund amount shall survive Building, or on or about the expiration Premises, or upon this Lease, or upon the rent payable under this Lease including the Florida sales tax on rent under Florida Statutes Section 212.031 (or any future statute), or upon Lessor by reason of ownership of the Term. Landlord willfee underlying this Lease, upon the written request of Tenantexcept income, who together with estate, inheritance, transfer, or change-in-ownership taxes, or any other tenants lease at least fifty (50%) of the Total Rentable Floor Area of the Complex, at Landlord's election either (i) apply for an abatement of real estate similar taxes or (ii) allow such tenants to apply for abatements in their own nameimpositions which may be levied or assessed against Lessor, or its successors in Landlord's name, at their own cost (subject title but only to the extent that such tenants' right to recover assessments shall be calculated as if Lessor has availed itself of all maximum discounts available for such costs on a first dollar basis from the abatement proceeds, if any)early payment or otherwise. If such tenants apply for an abatement All of real estate which said taxes, then Landlord shall have the right to be involved in each step of the abatement processassessments, includinglevies, without limitation, Landlord's right to approve all filings in connection with such abatement proceedings (such approval not to be unreasonably withheld) and the right to attend all meetings between Tenant and its representatives and the representatives of the Town of Bedford. In addition, payments by Tenant on account of Landlord's Tax Expenses Allocable to the Premises anticipated for the then current year shall be made monthly at the time and in the fashion herein provided for the payment of fixed rent. The amount so other impositions to be paid to Landlord by Lessee shall be an amount reasonably estimated paid by Landlord Lessee on or before 30 days after the date upon which the same from time to be sufficient to provide Landlordtime become or may become due and payable; provided, however, that in the aggregateevent such item of taxes, assessments, levies, or other impositions would become delinquent within a sum equal shorter period of time than 30 days after the date upon which the same become or may become due and payable, Lessee shall pay the same in ample time to Landlord's Tax Expenses Allocable prevent any delinquency, penalty, sale, forfeiture or interest accrual on such item, and to deliver to Lessor at all times promptly, proper and sufficient evidence of the payment and discharge of the same. If Lessee is in good faith contesting the validity of such tax, assessment, levy or other imposition through appropriate legal or administrative proceedings, Lessee shall not be deemed in default under this Lease by reason of nonpayment of such tax, assessment, levy or other imposition until or unless the validity and legality thereof have been established by the Property Appraisal Adjustment Board of Miami-Dade County or by the final judgment of a court of competent jurisdiction, whichever shall occur first, provided that prior to the Premisesinstitution of any such proceeding by Lessee, at least or immediately after the institution of any such proceeding by Lessee, or immediately after the institution thereof by any taxing authority or any one other than Lessee, but within the time specified in this Lease for payment of such taxes, assessments, levies or other impositions, whichever shall first occur, Lessee shall procure upon ten (10) days before the day on which such payments after written notice from Lessor or as required by Landlord would become delinquent. To the extent that real estate taxes shall be payable to the taxing authority and give Lessor a good and sufficient surety bond in installments with respect an amount adequate and conditioned to periods less than indemnify and save harmless Lessor from any loss, cost, damage, or expense resulting or to result from failure of Lessee to pay such tax, assessment, levy or other imposition. The bond shall have as surety thereon a Tax Yearreputable surety company licensed to do business in the State of Florida and then holding a certificate of authority from the Xxxxxxxxx xx Xxxxxxxx xxxxx 0 Xxxxxx Xxxxxx Code Annotated Section 6-13 for a net retained risk not to excess of the bond amount, and shall be in a form approved in advance by Lessor. In addition to the foregoing obligations of Lessee, the foregoing statement costs of any such contest or proceedings shall be rendered and payments made on account of such installments. Terms used herein are defined as follows:borne exclusively by Lessee.

Real Estate Taxes. For each Tax Year falling within the Term, 10. (a) Tenant shall pay to the Landlord its proportionate share of any and all increases in Real Estate Taxes (as defined below) relating to the Premises that exceed the Real Estate Taxes paid during the base year of 2013 (the "Base Year”), within twenty (20) days’ written demand therefor, or the Landlord shall be entitled at any time or times in any calendar year, upon at least twenty (20) days’ prior written notice to the Tenant to require the Tenant to pay to the Landlord the estimated increase in said Real Estate Taxes (over the Base Year) for such calendar year in equal monthly installments. Estimated Real Estate Taxes for 2013 are $1.13 per square foot of Net Rentable Area of the Demised Premises. Such monthly amount shall be determined by dividing the estimated increase in the Real Estate Taxes (over the Base Year) by the number of months for the period from January 1st in each calendar year of the Term until the due date of the final installment of Real Estate Taxes as established by the applicable taxing authority from time to time in each calendar year (“Installment Period”) and shall be paid by the Tenant to the Landlord, monthly as Additional Rent, on the Landlord's Tax Expenses Allocable to date of payment of monthly rental payments during the Premises Installment Period. All amounts received under this provision in any calendar year on account of the estimated amount of such Real Estate Taxes shall be applied by the Landlord in payment of the actual amount of such increase in Real Estate Taxes for such corresponding Tax calendar year (over the Base Year) . If the amount received is less than the actual Real Estate Taxes, and for each fraction of a Tax Year falling within the Term at the beginning or end thereof, Tenant shall pay any deficiency to Landlord, the Landlord as Additional Rent, the product of Rent within twenty (i) such Applicable fraction of a Tax Year and (ii) the Landlord's Tax Expenses Allocable to the Premises for the Tax Year in which said fraction occurs. Not later than ninety (9020) days after Landlord's Tax Expenses Allocable to following receipt by the Premises are determined for the first such Tax Year or fraction thereof and for each succeeding Tax Year or fraction thereof during the Term, Landlord shall render Tenant a statement in reasonable detail certified by a representative of Landlord showing for the preceding year or fraction thereof, as the case may be, real estate taxes on the Buildings and the Site and abatements and refunds notice of any taxes and assessments. Expenditures for legal fees and for other expenses incurred in seeking the tax refund or abatement may be charged against the tax refund or abatement before the adjustments are made for the Tax Year. Said statement to be rendered to Tenant shall also show for the preceding Tax Year or fraction thereof as the case may be the amounts of real estate taxes already paid by Tenant as Additional Rent, and the amount of real estate taxes remaining due fromsuch deficiency. If the amount received is greater than the actual increase in Real Estate Taxes (over the Base Year), or overpaid by, the Landlord shall either refund the excess to the Tenant for the year or other period covered by the statement. Within thirty (30) days as soon as possible after the date of delivery end of the foregoing statement, Tenant shall pay to Landlord the balance calendar year in respect of the amounts, if any, required to be paid pursuant to the above provisions of this Section 2.7 with respect to the preceding Tax Year or fraction thereof, or Landlord shall credit any amounts due from it to Tenant pursuant to the provisions of this Section 2.7 against (x) monthly installments of fixed rent next thereafter coming due or (y) any sums then due from Tenant to Landlord under this Lease (or refund such portion of the over-payment as aforesaid if the Term has ended and Tenant has no further obligation to Landlord). In the event Landlord succeeds in obtaining a reduction of such real estate taxes, rates or assessments with respect to a real estate tax fiscal year as to which Tenant contributed Tenant's share of Landlord's Tax Expenses, then, Tenant shall be entitled to receive its proportionate share of the net amount of any refund received or reduction obtained by Landlord to the extent allocable to the Term of this Lease. Tenant's entitlement to such refund amount shall survive the expiration of the Term. Landlord will, upon the written request of Tenant, who together with other tenants lease at least fifty (50%) of the Total Rentable Floor Area of the Complex, at Landlord's election either (i) apply for an abatement of real estate taxes or (ii) allow such tenants to apply for abatements in their own name, or in Landlord's name, at their own cost (subject to such tenants' right to recover such costs on a first dollar basis from the abatement proceeds, if any). If such tenants apply for an abatement of real estate taxes, then Landlord shall have the right to be involved in each step of the abatement process, including, without limitation, Landlord's right to approve all filings in connection with such abatement proceedings (such approval not to be unreasonably withheld) and the right to attend all meetings between Tenant and its representatives and the representatives of the Town of Bedford. In addition, payments by Tenant on account of Landlord's Tax Expenses Allocable to the Premises anticipated for the then current year shall be made monthly at the time and in the fashion herein provided for the payment of fixed rent. The amount so to be paid to Landlord shall be an amount reasonably estimated by Landlord to be sufficient to provide Landlord, in the aggregate, a sum equal to Landlord's Tax Expenses Allocable to the Premises, at least ten (10) days before the day on which such payments by Landlord would become delinquent. To were made or, at the extent that real estate taxes Landlord’s option, shall be payable apply such excess against any amounts owing or becoming due to the taxing authority in installments with respect to periods less than a Tax Year, Landlord by the foregoing statement shall be rendered and payments made on account of such installments. Terms used herein are defined as follows:Tenant.

Real Estate Taxes. For each If with respect to any full Tax Year or fraction of a Tax Year falling within the Term, Landlord’s Tax Expenses Allocable to the Premises as hereinafter defined for a full Tax Year exceed Base Taxes Allocable to the Premises, or for any such fraction of a Tax Year exceed the corresponding fraction of Base Taxes Allocable to the Premises (such amount being hereinafter referred to as the “Tax Excess”), then Tenant shall pay to Landlord, as Additional Rent, the amount of such Tax Excess. Payments by Tenant on account of the Tax Excess shall be made monthly at the time and in the fashion herein provided for the payment of Annual Fixed Rent. The amount so to be paid to Landlord shall be an amount from time to time reasonably estimated by Landlord to be sufficient to provide Landlord's Tax Expenses Allocable , in the aggregate, a sum equal to the Premises for such corresponding Tax YearExcess, and for each fraction of a Tax Year falling within ten (10) days at least before the Term at the beginning or end thereof, Tenant shall pay to Landlord, as Additional Rent, the product of (i) such Applicable fraction of a Tax Year and (ii) the Landlord's Tax Expenses Allocable to the Premises for the Tax Year in day on which said fraction occurstax payments by Landlord would become delinquent. Not later than ninety (90) days after Landlord's ’s Tax Expenses Allocable to the Premises are determined for the first such Tax Year or fraction thereof and for each succeeding Tax Year or fraction thereof during the Term, Landlord shall render Tenant a statement in reasonable detail certified by a representative of Landlord showing for the preceding year or fraction thereof, as the case may be, real estate taxes on the Buildings Building and the Site and abatements and refunds of any taxes and assessments. Expenditures for legal fees Only Landlord shall have the right to institute tax reduction or other proceedings to reduce real estate taxes or the valuation of the Building and for other expenses incurred in seeking the tax refund or abatement may be charged against the tax refund or abatement before the adjustments are made for the Tax YearSite. Said statement to be rendered to Tenant shall also show for the preceding Tax Year or fraction thereof as the case may be the amounts of real estate taxes already paid by Tenant as Additional Rent, and the amount of real estate taxes remaining due from, or overpaid by, Tenant for the year or other period covered by the statement. Within thirty (30) days after the date of delivery of the foregoing statement, Tenant shall pay to Landlord the balance of the amounts, if 100 Xxxxxx Xxxxxx – Mimecast Lease any, required to be paid pursuant to the above provisions of this Section 2.7 with respect to the preceding Tax Year or fraction thereof, or Landlord shall credit any amounts due from it to Tenant pursuant to the provisions of this Section 2.7 against (xi) monthly installments of fixed rent next thereafter coming due or (yii) any sums then due from Tenant to Landlord under this Lease (or refund such portion of the over-payment as aforesaid if the Term has ended and Tenant has no further obligation to Landlord). In Expenditures for legal fees and for other expenses incurred in seeking the event Landlord succeeds in obtaining a reduction of such real estate taxes, rates tax refund or assessments with respect to a real estate abatement may be charged against the tax fiscal year as to which Tenant contributed Tenant's share of Landlord's Tax Expenses, then, Tenant shall be entitled to receive its proportionate share of refund or abatement before the net amount of any refund received or reduction obtained by Landlord to the extent allocable to the Term of this Lease. Tenant's entitlement to such refund amount shall survive the expiration of the Term. Landlord will, upon the written request of Tenant, who together with other tenants lease at least fifty (50%) of the Total Rentable Floor Area of the Complex, at Landlord's election either (i) apply for an abatement of real estate taxes or (ii) allow such tenants to apply for abatements in their own name, or in Landlord's name, at their own cost (subject to such tenants' right to recover such costs on a first dollar basis from the abatement proceeds, if any). If such tenants apply for an abatement of real estate taxes, then Landlord shall have the right to be involved in each step of the abatement process, including, without limitation, Landlord's right to approve all filings in connection with such abatement proceedings (such approval not to be unreasonably withheld) and the right to attend all meetings between Tenant and its representatives and the representatives of the Town of Bedford. In addition, payments by Tenant on account of Landlord's Tax Expenses Allocable to the Premises anticipated adjustments are made for the then current year shall be made monthly at the time and in the fashion herein provided for the payment of fixed rent. The amount so to be paid to Landlord shall be an amount reasonably estimated by Landlord to be sufficient to provide Landlord, in the aggregate, a sum equal to Landlord's Tax Expenses Allocable to the Premises, at least ten (10) days before the day on which such payments by Landlord would become delinquentYear. To the extent that real estate taxes shall be payable to the taxing authority in installments with respect to periods less than a Tax Year, the foregoing statement shall be rendered and payments made on account of such installments. Nothing contained in this Section 2.7 shall entitle Landlord to collect, collectively from all of the tenants of the Complex, an amount exceeding one hundred percent (100%) of Landlord’s Tax Expenses incurred by Landlord with respect to the pertinent Tax Year (any collected amount exceeding 100% of Landlord’s Tax Expenses with respect to any such Tax Year being referred to herein as “Tax Collection Surplus”), and Landlord shall, except with respect to Base Taxes, credit any Tax Collection Surplus against the aggregate of Landlord’s Tax Expenses incurred with respect to such Tax Year, which shall reduce the same for all purposes hereunder. Terms used herein are defined as follows:

Real Estate Taxes. For each Tax Year falling within (a) If, in any calendar year during the Term, the amount of Real Estate Taxes (hereinafter defined) exceeds the amount of Real Estate Taxes in calendar year 2012(the"Base Year"),then Tenant shall pay pay,as Additional Rent to Landlord, as Additional Rent, ,an amount which is the Landlordproduct of(A)the amount of such increase in Real Estate Taxes,multiplied by(B)6.99%percent("Tenant's Tax Expenses Allocable to Pro Rata Share"). If the size of the Premises shall be increased or decreased, or represents a greater or lesser pro rata share of the total number of rentable square feet of the space in the Buildings, Tenant's Pro Rata Share of Real Estate Taxes shalt be adjusted accordingly. Tenant's Pro Rata Share of Real Estate Taxes for any partial calendar year during the Term shall be determined by multiplying the amount of Tenant's Pro Rata Share of Real Estate Taxes for the full calendar year by a fraction,the numerator of which is the number of days during such corresponding Tax Year, and for each fraction of a Tax Year calendar year falling within the Term at and the beginning or end thereof, Tenant shall pay to Landlord, as Additional Rent, denominator of which is three hundred sixty-five(365). (b) "Real Estate Taxes"shall mean all taxes,assessments and governmental charges(including,without limitation,all real estate taxes,gross revenue and receipts taxes and any other licensing charges in the product of (i) such Applicable fraction nature of a Tax Year tax on the operation of the Buildings)whether federal,state,county or municipal,and (ii) whether they be by taxing districts or authorities presently taxing the Landlord's Tax Expenses Allocable Buildings or by others, subsequently created or otherwise, and any other taxes and assessments attributable to the Premises Buildings or their operation,and/or the Project Land,whether or not directly paid by Landlord,excluding,however,federal and state taxes on income from the Building. It is agreed that Tenant will be responsible for all taxes on its personal property and on the Tax Year value of the Tenant Improvements. Landlord shall have the 2 MASTER LEASE—COPY PRIOR TO REVISION CHG02:20031080.vt 1218!019:49 AM • • right to pay any special assessment by installments,and in which said fraction occurssuch event Real Estate Taxes shall include such installments and interest paid on the unpaid balance of the assessment. Not later than ninety (90c) days after Landlord's Tax Expenses Allocable to During the Premises are determined for month of April and thereafter during the first such Tax Year or fraction thereof and for month of April of each succeeding Tax Year or fraction thereof calendar year thereafter during the Term, ,Landlord shall render use reasonable efforts to furnish to Tenant a statement in reasonable detail certified by a representative of Landlord showing for statement(the"Expense Statement")of Tenant's Real Estate Tax Pass-Throughs(hereinafter defined)for the preceding year or fraction thereof, as previous calendar year. "Real Estate Tax Pass- Throughs" shall be an amount equal to the case may be, real estate taxes on difference between Real Estate Taxes incurred during any subsequent calendar year("Subsequent Year")during the Buildings Term,and the Site and abatements and refunds of any taxes and assessments. Expenditures for legal fees and for other expenses Real Estate Taxes incurred in seeking the tax refund or abatement may be charged against the tax refund or abatement before the adjustments are made for the Tax Base Year. Said Such statement to be rendered to Tenant shall also show for the preceding Tax Year or fraction thereof as the case may be the amounts of real estate taxes already paid by Tenant as Additional Rent, and the amount of real estate taxes remaining due from, or overpaid by, Real Estate Tax Pass-Throughs,if any,payable by Tenant for the year or other period covered such Subsequent Year pursuant to this Section 5. The Expense Statement shall be conclusive and binding on Tenant,unless objected to in writing by the statementTenant within thirty(30)days following Tenant's receipt thereof. Within thirty (30) days Tenant shall,within thirty(30)days after the date of delivery receipt of the foregoing statement, Tenant shall Expense Statement,pay to Landlord the balance of the amounts, if any, required an amount equal to be paid pursuant Tenant's Real Estate Tax Pass-Throughs. Tenant's obligation to the above provisions of this Section 2.7 with respect to the preceding pay Real Estate Tax Year or fraction thereof, or Landlord shall credit any amounts due from it to Tenant Pass-Throughs pursuant to the provisions of this Section 2.7 against (x) monthly installments 5 shall survive the expiration or other termination-of fixed rent next thereafter coming due or (y) any sums then due from Tenant to Landlord under this Lease (or refund such portion of the over-payment as aforesaid if the Term has ended and Tenant has no further obligation to Landlord). In the event Landlord succeeds in obtaining a reduction of such real estate taxes, rates or assessments with respect to a real estate tax fiscal year as to which Tenant contributed Tenant's share of Landlord's Tax Expenses, then, Tenant shall be entitled to receive its proportionate share of the net amount of any refund received or reduction obtained by Landlord to the extent allocable to period during the Term hereof and with respect to any holdover period of this Lease. Tenant's entitlement to such refund amount shall survive occupancy following the expiration of the Term. (d) Notwithstanding anything contained in this Section 5 to the contrary,Landlord will, upon reserves the written request of Tenant, who together with other tenants lease right,at least fifty (50%) any time in the future,to calculate Real Estate Tax Pass-Throughs on the basis of the Total Rentable Floor Area of the Complex, at Landlord's election either (i) apply for an abatement of real estate taxes or (ii) allow such tenants to apply for abatements in their own name, or in Landlord's name, at their own cost (subject to such tenants' right to recover such costs on a first dollar basis from the abatement proceeds, if any). If such tenants apply for an abatement of real estate taxes, then Landlord shall have the right to be involved in each step of the abatement process, including, without limitation, Landlord's right to approve all filings Real Estate Taxes incurred in connection with such abatement proceedings (such approval not to be unreasonably withheld) the Building and the right to attend all meetings between Tenant and its representatives and the representatives of the Town of Bedford. In additionLand on which it sits only, payments by Tenant on account of Landlordin which event Tenant's Tax Expenses Allocable to the Premises anticipated for the then current year Pro Rata Share shall be made monthly at the time and in the fashion herein provided for the payment of fixed rentadjusted accordingly. The amount so to be paid to Landlord shall be an amount reasonably estimated by Landlord to be sufficient to provide Landlord, in the aggregate, a sum equal to Landlord's Tax Expenses Allocable to the Premises, at least ten (10) days before the day on which such payments by Landlord would become delinquent. To the extent that real estate taxes shall be payable to the taxing authority in installments with respect to periods less than a Tax Year, the foregoing statement shall be rendered and payments made on account of such installments. Terms used herein are defined as follows:6.

Real Estate Taxes. For each If Taxes (as hereinafter defined) for any Tax Year falling within during the TermTerm shall exceed Base Taxes, Tenant shall pay covenants to reimburse Landlord, as Additional Rent, for Tenant’s Percentage of such excess (such amount hereinafter referred to as “Tax Excess”). Tenant shall remit to Landlord, on the first day of each calendar month, estimated payments on account of Tax Excess, such monthly amounts to be sufficient to provide Landlord's Tax Expenses Allocable , by the time real estate tax payments are due and payable to any governmental authority responsible for collection of same, a sum equal to the Premises Tax Excess, as reasonably estimated by Landlord from time to time on the basis of the most recent tax data available. If the total of Tenant’s monthly remittances for any Tax Year is greater than the actual Tax Excess for such corresponding Tax year, Landlord shall promptly pay to Tenant, or credit against the next accruing payments to be made by Tenant pursuant to this subsection 4.2.1, the difference; if the total of such remittances is less than the actual Tax Excess for such Tax Year, and for each fraction of a Tax Year falling within the Term at the beginning or end thereof, Tenant shall pay the difference to Landlord at least ten (10) days prior to the date or dates within such Tax Year that any Taxes become due and payable to the governmental authority (but in any event no earlier than ten (10) days following a written notice to Tenant, which notice shall set forth the manner of computation of Tax Excess). This section shall survive the expiration or earlier termination of the Lease. If, after Tenant shall have made reimbursement to Landlord pursuant to this subsection 4.2.1, Landlord shall receive a refund of any portion of Taxes paid by Tenant with respect to any Tax Year during the term hereof as a result of an abatement of such Taxes by legal proceedings, settlement or otherwise (without Landlord having any obligation to undertake any such proceedings), Landlord shall promptly pay to Tenant, or credit against the next accruing payments to be made by Tenant pursuant to this subsection 4.2.1, the Tenant’s Percentage of the refund (less Tenant’s Percentage of Landlord’s reasonable out-of-pocket expenses, including reasonable attorneys’ fees and appraisers’ fees, incurred in connection with obtaining any such refund), as Additional Rent, the product of (i) such Applicable fraction of a relates to Tax Excess paid by Tenant to Landlord with respect to any Tax Year and for which such refund is obtained. In the event this Lease shall commence, or shall end (ii) by reason of expiration of the Landlord's Tax Expenses Allocable term or earlier termination pursuant to the Premises for provisions hereof) on any date other than the first or last day of the Tax Year, or should the Tax Year in which said fraction occurs. Not later or period of assessment of real estate taxes be changed or be more or less than ninety one (901) days after Landlord's Tax Expenses Allocable to the Premises are determined for the first such Tax Year or fraction thereof and for each succeeding Tax Year or fraction thereof during the Term, Landlord shall render Tenant a statement in reasonable detail certified by a representative of Landlord showing for the preceding year or fraction thereofyear, as the case may be, real estate taxes on then the Buildings and the Site and abatements and refunds amount of any taxes and assessments. Expenditures for legal fees and for other expenses incurred in seeking the tax refund or abatement Tax Excess which may be charged against the tax refund or abatement before the adjustments are made for the Tax Year. Said statement to be rendered to Tenant shall also show for the preceding Tax Year or fraction thereof as the case may be the amounts of real estate taxes already paid payable by Tenant as Additional Rent, and the amount of real estate taxes remaining due from, or overpaid by, Tenant for the year or other period covered by the statement. Within thirty (30) days after the date of delivery of the foregoing statement, Tenant shall pay to Landlord the balance of the amounts, if any, required to be paid pursuant to the above provisions of provided in this Section 2.7 with respect to the preceding Tax Year or fraction thereof, or Landlord shall credit any amounts due from it to Tenant pursuant to the provisions of this Section 2.7 against (x) monthly installments of fixed rent next thereafter coming due or (y) any sums then due from Tenant to Landlord under this Lease (or refund such portion of the over-payment as aforesaid if the Term has ended and Tenant has no further obligation to Landlord). In the event Landlord succeeds in obtaining a reduction of such real estate taxes, rates or assessments with respect to a real estate tax fiscal year as to which Tenant contributed Tenant's share of Landlord's Tax Expenses, then, Tenant subsection 4.2.1 shall be entitled to receive its proportionate share of the net amount of any refund received or reduction obtained by Landlord to the extent allocable to the Term of this Lease. Tenant's entitlement to such refund amount shall survive the expiration of the Term. Landlord will, upon the written request of Tenant, who together with other tenants lease at least fifty (50%) of the Total Rentable Floor Area of the Complex, at Landlord's election either (i) apply for an abatement of real estate taxes or (ii) allow such tenants to apply for abatements in their own name, or in Landlord's name, at their own cost (subject to such tenants' right to recover such costs on a first dollar basis from the abatement proceeds, if any). If such tenants apply for an abatement of real estate taxes, then Landlord shall have the right to be involved in each step of the abatement process, including, without limitation, Landlord's right to approve all filings in connection with such abatement proceedings (such approval not to be unreasonably withheld) appropriately apportioned and the right to attend all meetings between Tenant and its representatives and the representatives of the Town of Bedford. In addition, payments by Tenant on account of Landlord's Tax Expenses Allocable to the Premises anticipated for the then current year shall be made monthly at the time and in the fashion herein provided for the payment of fixed rent. The amount so to be paid to Landlord shall be an amount reasonably estimated by Landlord to be sufficient to provide Landlord, in the aggregate, a sum equal to Landlord's Tax Expenses Allocable to the Premises, at least ten (10) days before the day on which such payments by Landlord would become delinquent. To the extent that real estate taxes shall be payable to the taxing authority in installments with respect to periods less than a Tax Year, the foregoing statement shall be rendered and payments made on account of such installments. Terms used herein are defined as follows:adjusted.

Real Estate Taxes. For each If Taxes (as hereinafter defined) assessed against the Property (or estimated to be due by governmental authority) for any fiscal tax period (a “Tax Year falling Year”) during the term of this Lease shall exceed Base Taxes, whether due to increase in rate or reassessment of the Property, or both, Tenant shall reimburse Landlord therefor, as Additional Rent, in an amount equal to Tenant’s Percentage of any such excess (the “Tax Excess”). Except as otherwise provided in the immediately following paragraph, Tenant shall pay the Tax Excess to Landlord at least ten (10) days prior to the date or dates within any year during the Termterm hereof that the same, or any fractional share thereof, shall be due and payable to any governmental authority responsible for collection of same (as stated in a notice to Tenant given at least twenty (20) days prior to the date or dates any such payment shall be due, which notice shall set forth the manner of computation of any Tax Excess due from Tenant, except that such payment shall be made to Landlord not later than ten (10) days after such notice to Tenant if such notice is given subsequent to the date twenty (20) days prior to the date the same is due and payable as aforesaid). At Landlord’s election, Tenant shall pay to Landlord, as Additional Rent on the first day of each calendar month during the term but otherwise in the manner provided for the payment of Annual Fixed Rent, estimated payments on account of the Landlord's Tax Expenses Allocable Excess, such monthly amounts to be sufficient to provide Landlord by the time Tax payments are due or are to be made by Landlord a sum equal to the Premises Tax Excess, as reasonably estimated by Landlord from time to time on account of Taxes for the then current Tax Year. If the total of such monthly remittances for any Tax Year is greater than the Tax Excess for such corresponding Tax Year, Landlord shall credit such overpayment against Tenant’s subsequent obligations on account of Taxes (or promptly refund such overpayment if the term of this Lease has ended and Tenant has no further obligations to Landlord); if the total of such remittances is less than the Tax Excess for each fraction of a such Tax Year falling within the Term at the beginning or end thereofYear, Tenant shall pay the difference to Landlord, as Additional Rent, the product of Landlord within ten (i) such Applicable fraction of a Tax Year and (ii) the Landlord's Tax Expenses Allocable to the Premises for the Tax Year in which said fraction occurs. Not later than ninety (9010) days after being so notified by Landlord's . If, after Tenant shall have made all payments due to Landlord pursuant to this subsection 4.2.1, Landlord shall receive a refund of any portion of Taxes as a result of an abatement of such Taxes by legal proceedings, settlement or otherwise (without either party having any obligation to undertake any such proceedings), Landlord shall pay or credit to Tenant Tenant’s Percentage of that percentage of the refund (after first deducting any expenses, including attorneys’, consultants’ and appraisers’ fees, incurred in connection with obtaining any such refund) which equals the percentage of the applicable Tax Expenses Allocable Year included in the term hereof, provided however, in no event shall Tenant be entitled to receive more than the Premises are determined for the first sum of payments actually made by Tenant on account of Taxes with respect to such Tax Year or fraction thereof and to receive any payment if Taxes for each succeeding any Tax Year are less than Base Taxes. In the event that the Commencement Date shall occur or the term of this Lease shall expire or be terminated during any Tax Year, or should the Tax Year or fraction thereof period of assessment of real estate taxes be changed or be more or less than one (1) year, or should Tenant’s Percentage be modified during any Tax Year due to a change in the Term, Landlord shall render Tenant a statement in reasonable detail certified by a representative rentable area of Landlord showing for the preceding year Building and/or the Premises or fraction thereofotherwise, as the case may be, real estate taxes on then the Buildings and the Site and abatements and refunds amount of any taxes and assessments. Expenditures for legal fees and for other expenses incurred in seeking the tax refund or abatement Tax Excess which may be charged against the tax refund or abatement before the adjustments are made for the Tax Year. Said statement to be rendered to Tenant shall also show for the preceding Tax Year or fraction thereof as the case may be the amounts of real estate taxes already paid otherwise payable by Tenant as Additional Rent, and the amount of real estate taxes remaining due from, or overpaid by, Tenant for the year or other period covered by the statement. Within thirty (30) days after the date of delivery of the foregoing statement, Tenant shall pay to Landlord the balance of the amounts, if any, required to be paid pursuant to the above provisions of provided in this Section 2.7 with respect to the preceding Tax Year or fraction thereof, or Landlord shall credit any amounts due from it to Tenant pursuant to the provisions of this Section 2.7 against (x) monthly installments of fixed rent next thereafter coming due or (y) any sums then due from Tenant to Landlord under this Lease (or refund such portion of the over-payment as aforesaid if the Term has ended and Tenant has no further obligation to Landlord). In the event Landlord succeeds in obtaining a reduction of such real estate taxes, rates or assessments with respect to a real estate tax fiscal year as to which Tenant contributed Tenant's share of Landlord's Tax Expenses, then, Tenant subsection 4.2.1 shall be entitled to receive its proportionate share of the net amount of any refund received or reduction obtained by Landlord to the extent allocable to the Term of this Lease. Tenant's entitlement to such refund amount shall survive the expiration of the Term. Landlord will, upon the written request of Tenant, who together with other tenants lease at least fifty (50%) of the Total Rentable Floor Area of the Complex, at Landlord's election either (i) apply for an abatement of real estate taxes or (ii) allow such tenants to apply for abatements in their own name, or in Landlord's name, at their own cost (subject to such tenants' right to recover such costs pro-rated on a first dollar daily basis from the abatement proceeds, if any). If such tenants apply for an abatement of real estate taxes, then Landlord shall have the right to be involved in each step of the abatement process, including, without limitation, Landlord's right to approve all filings in connection with such abatement proceedings (such approval not to be unreasonably withheld) and the right to attend all meetings between Tenant and its representatives and the representatives of the Town of Bedford. In addition, payments by Tenant based on account of Landlord's Tax Expenses Allocable to the Premises anticipated for the then current year shall be made monthly at the time and in the fashion herein provided for the payment of fixed rent. The amount so to be paid to Landlord shall be an amount reasonably estimated by Landlord to be sufficient to provide Landlord, in the aggregate, a sum equal to Landlord's Tax Expenses Allocable to the Premises, at least ten (10) days before the 360 day on which such payments by Landlord would become delinquent. To the extent that real estate taxes shall be payable to the taxing authority in installments with respect to periods less than a Tax Year, the foregoing statement shall be rendered and payments made on account of such installments. Terms used herein are defined as follows:.

Real Estate Taxes. For each Tax Year falling within the Term, Tenant shall pay to Landlord, as Additional Rent, the Landlord's Tax Expenses Allocable to all real estate taxes imposed upon the Premises for such corresponding Tax Year, and for each fraction of a Tax Year falling lease year included within the Term at period commencing with the beginning Commencement Date and ending with the expiration of the term of this Lease. For the purpose of this Lease, the term "real estate taxes" shall include any special and general assessments, water and sewer rents and other governmental impositions imposed upon or end against the Premises of every kind and nature whatsoever, extraordinary as well as ordinary, foreseen and unforeseen and each and every installment thereof, Tenant which shall pay to or may during the lease term be levied, assessed or imposed upon or against such Premises and of all expenses, including reasonable attorneys' fees, administrative hearing and court costs incurred in contesting or negotiating the amount, assessment or rate of any such real estate taxes, minus any refund received by Landlord. The real estate taxes for any lease year shall be the real estate taxes for the tax year terminating during said lease year. If any lease year shall be greater than or less than twelve (12) months, as Additional Rentor if the real estate tax year shall be changed, an appropriate adjustment shall be made. If there shall be more than one taxing authority, the product real estate taxes for any period shall be the sum of (i) the real estate taxes for said period attributable to each taxing authority. If, upon the assessment day for real estate taxes for any tax year fully or partly included within the term of this Lease, a portion of such Applicable fraction assessment shall be attributable to buildings in the process of construction, a Tax Year fair and (ii) reasonable adjustment shall be made to carry out the Landlord's Tax Expenses Allocable to the Premises for the Tax Year in which said fraction occursintent of this section. Not later than ninety (90) days after Landlord's Tax Expenses Allocable to the Premises are determined for the first such Tax Year or fraction thereof and for each succeeding Tax Year or fraction thereof during the TermUpon request, Landlord shall render submit to Tenant true copies of the real estate tax bill xxx each tax year or portion of a statement in reasonable detail certified by a representative tax year included within the term of Landlord showing this Lease and shall bill Xxxant for the preceding year or fraction thereof, as the case may be, real estate taxes on the Buildings and the Site and abatements and refunds of any taxes and assessments. Expenditures for legal fees and for other expenses incurred in seeking the tax refund or abatement may be charged against the tax refund or abatement before the adjustments are made for the Tax Year. Said statement amount to be rendered to Tenant shall also show for the preceding Tax Year or fraction thereof as the case may be the amounts of real estate taxes already paid by Tenant as Additional Rent, and hereunder. Said bill xxxll be accompanied by a computation of the amount of real estate taxes remaining due from, or overpaid by, payable by Tenant for the year or other period covered and such amount shall be paid by the statement. Within Tenant within thirty (30) days after receipt of said bill. Should the date State of delivery New Jersey or any political subdivision thereof or any governmental authority having jurisdiction thereof, impose a tax and/or assessment (other than an income or franchise tax) upon or against the rentals payable hereunder, in lieu of or in addition to assessments levied or assessed against the foregoing statementdemised premises, Tenant or Premises, then such tax and/or assessment shall pay be deemed to Landlord constitute a tax on real estate for the balance of the amounts, if any, required to be paid pursuant to the above provisions purpose of this Section 2.7 with respect to the preceding Tax Year or fraction thereof, or Landlord shall credit any amounts due from it to Tenant pursuant to the provisions of this Section 2.7 against (x) monthly installments of fixed rent next thereafter coming due or (y) any sums then due from Tenant to Landlord under this Lease (or refund such portion of the over-payment as aforesaid if the Term has ended and Tenant has no further obligation to Landlord). In the event Landlord succeeds in obtaining a reduction of such real estate taxes, rates or assessments with respect to a real estate tax fiscal year as to which Tenant contributed Tenant's share of Landlord's Tax Expenses, then, Tenant shall be entitled to receive its proportionate share of the net amount of any refund received or reduction obtained by Landlord to the extent allocable to the Term of this Lease. Tenant's entitlement to such refund amount shall survive the expiration of the Term. Landlord will, upon the written request of Tenant, who together with other tenants lease at least fifty (50%) of the Total Rentable Floor Area of the Complex, at Landlord's election either (i) apply for an abatement of real estate taxes or (ii) allow such tenants to apply for abatements in their own name, or in Landlord's name, at their own cost (subject to such tenants' right to recover such costs on a first dollar basis from the abatement proceeds, if any). If such tenants apply for an abatement of real estate taxes, then Landlord shall have the right to be involved in each step of the abatement process, including, without limitation, Landlord's right to approve all filings in connection with such abatement proceedings (such approval not to be unreasonably withheld) and the right to attend all meetings between Tenant and its representatives and the representatives of the Town of Bedford. In addition, payments by Tenant on account of Landlord's Tax Expenses Allocable to the Premises anticipated for the then current year shall be made monthly at the time and in the fashion herein provided for the payment of fixed rent. The amount so to be paid to Landlord shall be an amount reasonably estimated by Landlord to be sufficient to provide Landlord, in the aggregate, a sum equal to Landlord's Tax Expenses Allocable to the Premises, at least ten (10) days before the day on which such payments by Landlord would become delinquent. To the extent that real estate taxes shall be payable to the taxing authority in installments with respect to periods less than a Tax Year, the foregoing statement shall be rendered and payments made on account of such installments. Terms used herein are defined as follows:section.

Real Estate Taxes. For Tenant's Pro Rata Share of Operating Expenses and Real Estate Taxes shall be paid by Tenant in monthly installments in such amounts as are estimated and billed by Landlord at the beginning of each Tax Year falling within twelve (12) month period commencing and ending on dates designated by Landlord, each installment being due on the Termfirst day of each calendar month. If at any time during such twelve (12) month period, it shall appear that Landlord has materially underestimated or overestimated Operating Expenses or Real Estate Taxes, Landlord may reestimate Tenant's Pro Rata Share of Operating Expenses and Real Estate Taxes and may xxxx Tenant for any deficiency or credit Tenant for any surplus which may have accrued during such twelve (12) month period and thereafter the monthly installment payable by Tenant shall also be adjusted. Within one hundred (100) days after the end of each such twelve (12) month period, Landlord shall deliver to Tenant a statement of Operating Expenses and Real Estate Taxes for such twelve (12) month period and the monthly installments paid or payable shall be adjusted between Landlord and Tenant, and each party hereby agrees that Tenant shall pay to LandlordLandlord or Landlord shall credit Tenant' s account (or, as Additional Rent, the Landlord's Tax Expenses Allocable to the Premises for if such corresponding Tax Year, and for each fraction of a Tax Year falling within the Term adjustment is at the beginning or end thereofof the term, Tenant shall pay to LandlordTenant), as Additional Rent, the product of (i) such Applicable fraction of a Tax Year and (ii) the Landlord's Tax Expenses Allocable to the Premises for the Tax Year in which said fraction occurs. Not later than ninety (90) days after Landlord's Tax Expenses Allocable to the Premises are determined for the first such Tax Year or fraction thereof and for each succeeding Tax Year or fraction thereof during the Term, Landlord shall render Tenant a statement in reasonable detail certified by a representative of Landlord showing for the preceding year or fraction thereof, as the case may be, real estate taxes on the Buildings and the Site and abatements and refunds of any taxes and assessments. Expenditures for legal fees and for other expenses incurred in seeking the tax refund or abatement may be charged against the tax refund or abatement before the adjustments are made for the Tax Year. Said statement to be rendered to Tenant shall also show for the preceding Tax Year or fraction thereof as the case may be the amounts of real estate taxes already paid by Tenant as Additional Rent, and the amount of real estate taxes remaining due from, or overpaid by, Tenant for the year or other period covered by the statement. Within within thirty (30) days after the date of delivery receipt of the foregoing such statement, Tenant shall pay to Landlord the balance amount of the amounts, if any, required to be any excess or deficiency in Tenant's Pro Rata Share of Operating Expenses and Real Estate Taxes paid pursuant to the above provisions of this Section 2.7 with respect to the preceding Tax Year or fraction thereof, or Landlord shall credit any amounts due from it to Tenant pursuant to the provisions of this Section 2.7 against (x) monthly installments of fixed rent next thereafter coming due or (y) any sums then due from by Tenant to Landlord under this Lease during such twelve (or refund 12) month period. Failure of Landlord to provide the statement called for hereunder within the time prescribed shall not relieve Tenant from its obligations hereunder, but no such portion of statement increasing Tenant's obligations shall be effective if more than one hundred eighty (180) days delinquent. Tenant shall have the over-payment as aforesaid if right from time to time (but not exceeding once in any 12 month period) to examine books and records relating to Operating Expenses, including the Term has ended right to conduct audits at Tenant's expense. Such examinations and Tenant has no further obligation audits shall be performed at Landlord's offices during normal business hours, on reasonable prior written notice to Landlord), and Tenant's payments shall be adjusted 5 accordingly. In the event Landlord succeeds said audit discloses a total deviation in obtaining a reduction excess of such real estate taxesfive (5%) percent, rates or assessments with respect to a real estate tax fiscal year as to which Tenant contributed Tenant's share more, of Landlord's Tax the actual Operating Expenses, thenLandlord shall pay the cost of said audit. In no event shall Tenant employ any person, firm or entity to perform the rights of Tenant shall be entitled to receive its proportionate share of the net amount of any refund received or reduction obtained by Landlord to the extent allocable to the Term of this Lease. Tenant's entitlement to such refund amount shall survive the expiration of the Term. Landlord will, upon the written request of Tenant, hereunder who together with other tenants lease at least fifty (50%) of the Total Rentable Floor Area of the Complex, at Landlord's election either (i) apply for an abatement of real estate taxes or (ii) allow such tenants to apply for abatements in their own name, or in Landlord's name, at their own cost (subject to such tenants' right to recover such costs is paid on a first dollar basis from the abatement proceeds, if any). If such tenants apply for an abatement of real estate taxes, then Landlord shall have the right to be involved in each step of the abatement process, including, without limitation, Landlord's right to approve all filings in connection with such abatement proceedings (such approval not to be unreasonably withheld) and the right to attend all meetings between Tenant and its representatives and the representatives of the Town of Bedford. In addition, payments by Tenant on account of Landlord's Tax Expenses Allocable to the Premises anticipated for the then current year shall be made monthly at the time and in the fashion herein provided for the payment of fixed rent. The amount so to be paid to Landlord shall be an amount reasonably estimated by Landlord to be sufficient to provide Landlord, in the aggregate, a sum equal to Landlord's Tax Expenses Allocable to the Premises, at least ten (10) days before the day on which such payments by Landlord would become delinquent. To the extent that real estate taxes shall be payable to the taxing authority in installments with respect to periods less than a Tax Year, the foregoing statement shall be rendered and payments made on account of such installments. Terms used herein are defined as follows:contingency fee basis.

Real Estate Taxes. For each Tax Year falling within the Term, Tenant shall pay to LandlordLandlord all taxes levied or assessed by, as Additional Rentor becoming payable to, the municipality or any governmental authority having jurisdiction of the Premises, for or in respect of the Premises, allocated as aforesaid, or which may become a lien on the Premises, for each tax period wholly included in the Initial Term and, if exercised, the Extension Terms, all such payments to be made within ten (10) days after Tenant receives Landlord's Tax Expenses Allocable to the Premises notice of Tenant's Share; provided that for such corresponding Tax Year, and for each any fraction of a Tax Year falling within tax period included in the Initial Term or, if exercises, the Extension Terms at the beginning or end thereof, Tenant shall pay to Landlord, as Additional Rent, Landlord the product of (i) such Applicable fraction of a Tax Year and taxes so levied or assessed or becoming payable which is allocable to such included period, which payment shall be due within ten (ii) the Landlord's Tax Expenses Allocable to the Premises for the Tax Year in which said fraction occurs. Not later than ninety (9010) days after Landlord's Tax Expenses Allocable to the Premises are determined for the first such Tax Year or fraction thereof and for each succeeding Tax Year or fraction thereof during the Termreceipt of invoice therefor, Landlord shall render Tenant a statement in reasonable detail certified by a representative of Landlord showing for the preceding year or fraction thereofbut, as the case may be, real estate taxes on the Buildings and the Site and abatements and refunds of any taxes and assessments. Expenditures for legal fees and for other expenses incurred in seeking the tax refund or abatement may be charged against the tax refund or abatement before the adjustments are made for the Tax Year. Said statement to be rendered to Tenant shall also show for the preceding Tax Year or fraction thereof as the case may be the amounts of real estate taxes already paid by Tenant as Additional Rent, and the amount of real estate taxes remaining due from, or overpaid by, Tenant for the year or other period covered by the statement. Within thirty (30) days after the date of delivery of the foregoing statement, Tenant shall pay to Landlord the balance of the amounts, if any, required to be paid pursuant to the above provisions of this Section 2.7 with respect to the preceding Tax Year or fraction thereof, or Landlord shall credit any amounts due from it to Tenant pursuant to the provisions of this Section 2.7 against (x) monthly installments of fixed rent next thereafter coming due or (y) any sums then due from Tenant to Landlord under this Lease (or refund such portion of the over-payment as aforesaid if the Term has ended and Tenant has no further obligation to Landlord). In the event Landlord succeeds in obtaining a reduction of such real estate taxes, rates or assessments with respect to a real estate tax fiscal year as to which Tenant contributed Tenant's share of Landlord's Tax Expenses, then, Tenant shall be entitled to receive its proportionate share of the net amount of any refund received or reduction obtained by Landlord to the extent allocable to the Term of this Lease. Tenant's entitlement to such refund amount shall survive the expiration of the Term. Landlord will, upon the written request of Tenant, who together with other tenants lease at least fifty (50%) of the Total Rentable Floor Area of the Complex, at Landlord's election either (i) apply for an abatement of real estate taxes or (ii) allow such tenants to apply for abatements in their own name, or in Landlord's name, at their own cost (subject to such tenants' right to recover such costs on a first dollar basis from the abatement proceeds, if any). If such tenants apply for an abatement of real estate taxes, then Landlord shall have the right to be involved in each step of the abatement process, including, without limitation, Landlord's right to approve all filings in connection with such abatement proceedings (such approval not to be unreasonably withheld) and the right to attend all meetings between Tenant and its representatives and the representatives of the Town of Bedford. In addition, payments by Tenant payment on account of Landlord's Tax Expenses Allocable to the Premises anticipated for the then current year shall be made monthly a fraction of a tax period at the time and in beginning of the fashion herein provided for the Initial Term, such payment of fixed rent. The amount so shall not be due prior to be paid to Landlord shall be an amount reasonably estimated by Landlord to be sufficient to provide Landlord, in the aggregate, a sum equal to Landlord's Tax Expenses Allocable to the Premises, at least ten (10) days before the day on which such payments by Landlord would become delinquentpayment may be made without interest or penalty. To the extent that real estate taxes Any payment based upon an estimate shall be adjusted as soon as the amount of such payment becomes final. If Tenant shall deem itself aggrieved by any such tax or charge and shall elect to contest the payment thereof, Tenant may make such payment under protest or it postponement of such payment does not jeopardize Landlord's title to the Premises, Tenant may postpone the same provided that it shall secure such payment and the interest and penalties thereon by causing to be delivered to Landlord cash or other adequate security in form and amount reasonably 15 satisfactory to Landlord, which amount shall not be greater than one hundred and twenty-five per cent (125%) of the unpaid balance of the contested tax or charge. Either party paying tax shall be entitled to recover, receive and retain for its own benefit all abatements and refunds of such tax, unless it has previously been reimbursed by the other party. Neither party shall discontinue any abatement proceedings begun by it without first giving the other party written notice of its intent so to do and reasonable opportunity to be substituted in such proceedings. Nothing contained in this Lease shall, however, require Tenant to pay any franchise, corporate, estate, inheritance, succession, capital levy or transfer tax of Landlord, or any income, profits or revenue tax or charge upon the rent payable by Tenant under this Lease. Landlord hereby authorizes Tenant to pick up bills for such taxes directly from the taxing authority so long as Tenant is the tenant of the entire Premises and Tenant shall promptly deliver a copy thereof to Landlord. Landlord agrees to cooperate with Tenant in installments with respect this regard pursuant to periods less than a Tax Year, the foregoing statement shall be rendered and payments made on account of such installments. Terms used herein are defined as follows:Tenant's reasonable requests.

Real Estate Taxes. For each If Taxes (as hereinafter defined) assessed against the Property (or estimated to be due by governmental authority) for any fiscal tax period (a “Tax Year falling Year”) during the term of this Lease shall exceed Base Taxes, whether due to increase in rate or reassessment of the Property, or both, Tenant shall reimburse Landlord therefor, as Additional Rent, in an amount equal to Tenant’s Percentage of any such excess (the “Tax Excess”). Except as otherwise provided in the immediately following paragraph, Tenant shall pay the Tax Excess to Landlord at least ten (10) days prior to the date or dates within any year during the Termterm hereof that the same, or any fractional share thereof, shall be due and payable to any governmental authority responsible for collection of same (as stated in a notice to Tenant given at least thirty (30) days prior to the date or dates any such payment shall be due, which notice shall set forth the manner of computation of any Tax Excess due from Tenant), except that such payment shall be made to Landlord not later than ten (10) days after such notice to Tenant, if such notice is given subsequent to the date thirty (30) days prior to the date the same is due and payable as aforesaid. At Landlord’s election, Tenant shall pay to Landlord, as Additional Rent on the first day of each calendar month during the term but otherwise in the manner provided for the payment of Annual Fixed Rent, estimated payments on account of the Landlord's Tax Expenses Allocable Excess, such monthly amounts to be sufficient to provide Landlord by the time Tax payments are due or are to be made by Landlord a sum equal to the Premises Tax Excess, as reasonably estimated by Landlord from time to time on account of Taxes for the then current Tax Year. If the total of such monthly remittances for any Tax Year is greater than the Tax Excess for such corresponding Tax Year, Landlord shall credit such overpayment against Tenant’s subsequent obligations on account of Taxes (or promptly refund such overpayment if the term of this Lease has ended and Tenant has no further obligations to Landlord); if the total of such remittances is less than the Tax Excess for each fraction of a such Tax Year falling within the Term at the beginning or end thereofYear, Tenant shall pay the difference to Landlord, as Additional Rent, the product of Landlord within ten (i) such Applicable fraction of a Tax Year and (ii) the Landlord's Tax Expenses Allocable to the Premises for the Tax Year in which said fraction occurs. Not later than ninety (9010) days after being so notified by Landlord's . If, after Tenant shall have made all payments due to Landlord pursuant to this subsection 4.2.1, Landlord shall receive a refund of any portion of Taxes as a result of an abatement of such Taxes by legal proceedings, settlement or otherwise (without either party having any obligation to undertake any such proceedings), Landlord shall pay or credit to Tenant Tenant’s Percentage of that percentage of the refund (after first deducting actual, reasonable expenses, including attorneys’, consultants’ and appraisers’ fees, incurred in connection with obtaining any such refund) which equals the percentage of the applicable Tax Expenses Allocable Year included in the term hereof, provided however, in no event shall Tenant be entitled to receive more than the Premises are determined for the first sum of payments actually made by Tenant on account of Taxes with respect to such Tax Year or fraction thereof and to receive any payment if Taxes for each succeeding any Tax Year are less than Base Taxes. In the event that the Commencement Date shall occur or the term of this Lease shall expire or be terminated during any Tax Year, or should the Tax Year or fraction thereof period of assessment of real estate taxes be changed or be more or less than one (1) year, or should Tenant’s Percentage be modified during any Tax Year due to a change in the Term, Landlord shall render Tenant a statement in reasonable detail certified by a representative rentable area of Landlord showing for the preceding year Building and/or the Premises or fraction thereofotherwise, as the case may be, real estate taxes on then the Buildings and the Site and abatements and refunds amount of any taxes and assessments. Expenditures for legal fees and for other expenses incurred in seeking the tax refund or abatement Tax Excess which may be charged against the tax refund or abatement before the adjustments are made for the Tax Year. Said statement to be rendered to Tenant shall also show for the preceding Tax Year or fraction thereof as the case may be the amounts of real estate taxes already paid otherwise payable by Tenant as Additional Rent, and the amount of real estate taxes remaining due from, or overpaid by, Tenant for the year or other period covered by the statement. Within thirty (30) days after the date of delivery of the foregoing statement, Tenant shall pay to Landlord the balance of the amounts, if any, required to be paid pursuant to the above provisions of provided in this Section 2.7 with respect to the preceding Tax Year or fraction thereof, or Landlord shall credit any amounts due from it to Tenant pursuant to the provisions of this Section 2.7 against (x) monthly installments of fixed rent next thereafter coming due or (y) any sums then due from Tenant to Landlord under this Lease (or refund such portion of the over-payment as aforesaid if the Term has ended and Tenant has no further obligation to Landlord). In the event Landlord succeeds in obtaining a reduction of such real estate taxes, rates or assessments with respect to a real estate tax fiscal year as to which Tenant contributed Tenant's share of Landlord's Tax Expenses, then, Tenant subsection 4.2.1 shall be entitled to receive its proportionate share of the net amount of any refund received or reduction obtained by Landlord to the extent allocable to the Term of this Lease. Tenant's entitlement to such refund amount shall survive the expiration of the Term. Landlord will, upon the written request of Tenant, who together with other tenants lease at least fifty (50%) of the Total Rentable Floor Area of the Complex, at Landlord's election either (i) apply for an abatement of real estate taxes or (ii) allow such tenants to apply for abatements in their own name, or in Landlord's name, at their own cost (subject to such tenants' right to recover such costs pro-rated on a first dollar daily basis from the abatement proceeds, if any). If such tenants apply for an abatement of real estate taxes, then Landlord shall have the right to be involved in each step of the abatement process, including, without limitation, Landlord's right to approve all filings in connection with such abatement proceedings (such approval not to be unreasonably withheld) and the right to attend all meetings between Tenant and its representatives and the representatives of the Town of Bedford. In addition, payments by Tenant based on account of Landlord's Tax Expenses Allocable to the Premises anticipated for the then current year shall be made monthly at the time and in the fashion herein provided for the payment of fixed rent. The amount so to be paid to Landlord shall be an amount reasonably estimated by Landlord to be sufficient to provide Landlord, in the aggregate, a sum equal to Landlord's Tax Expenses Allocable to the Premises, at least ten (10) days before the 365 day on which such payments by Landlord would become delinquent. To the extent that real estate taxes shall be payable to the taxing authority in installments with respect to periods less than a Tax Year, the foregoing statement shall be rendered and payments made on account of such installments. Terms used herein are defined as follows:.

Real Estate Taxes. For If Taxes (as hereinafter defined) for any Tax ----------------- Year during the term shall exceed Base Taxes, Tenant shall reimburse Landlord, as additional rent, for Tenant's Percentage of such excess (such amount hereinafter referred to as "Tax Excess"). Tenant shall remit to Landlord, on the first day of each calendar month included in the term, estimated payments on account of Tax Excess, such monthly amounts to be sufficient to provide Landlord, by the time real estate tax payments are due and payable to any governmental authority responsible for collection of same, a sum equal to the Tax Excess, as reasonably estimated by Landlord from time to time on the basis of the most recent tax data available. If the total of such monthly remittances for any Tax Year falling within is greater than the Termactual Tax Excess for such Tax year, Landlord shall promptly pay to Tenant, or credit against the next accruing payments to be made by Tenant pursuant to this subsection 4.2.1, the difference; if the total of such remittances is less than the actual Tax Excess for such Tax Year, Tenant shall pay the difference to LandlordLandlord at least ten (10) days prior to the date or dates within such Tax Year that any Taxes become due and payable to the governmental authority (but in any event no earlier than ten (10) days following a written notice to Tenant, which notice shall set forth the manner of computation of Tax Excess). If, after Tenant shall have made reimbursement to Landlord pursuant to this subsection 4.2.1, Landlord shall receive a refund of any portion of Taxes paid by Tenant with respect to any Tax Year during the term hereof as a result of an abatement of such Taxes by legal proceedings, settlement or otherwise (without Landlord having any obligation to undertake any such proceedings), Landlord shall promptly pay to Tenant, or credit against the next accruing payments to be made by Tenant pursuant to this subsection 4.2.1, the Tenant's Percentage of the refund (less the proportional, pro rata expenses, including attorneys' fees and appraisers' fees, incurred in connection with obtaining any such refund), as Additional Rentrelates to Tax Excess paid by Tenant to Landlord with respect to any Tax Year for which such refund is obtained. In the event this Lease shall commence, or shall end (by reason of expiration of the Landlord's Tax Expenses Allocable term or earlier termination pursuant to the Premises for such corresponding provisions hereof), on any date other than the first or last day of the Tax Year, and for each fraction of a Tax Year falling within the Term at the beginning or end thereof, Tenant shall pay to Landlord, as Additional Rent, the product of (i) such Applicable fraction of a Tax Year and (ii) the Landlord's Tax Expenses Allocable to the Premises for should the Tax Year in which said fraction occurs. Not later or period of assessment of real estate taxes be changed or be more or less than ninety one (901) days after Landlord's Tax Expenses Allocable to the Premises are determined for the first such Tax Year or fraction thereof and for each succeeding Tax Year or fraction thereof during the Term, Landlord shall render Tenant a statement in reasonable detail certified by a representative of Landlord showing for the preceding year or fraction thereofyear, as the case may be, real estate taxes on then the Buildings and the Site and abatements and refunds amount of any taxes and assessments. Expenditures for legal fees and for other expenses incurred in seeking the tax refund or abatement Tax Excess which may be charged against the tax refund or abatement before the adjustments are made for the Tax Year. Said statement to be rendered to Tenant shall also show for the preceding Tax Year or fraction thereof as the case may be the amounts of real estate taxes already paid payable by Tenant as Additional Rent, and the amount of real estate taxes remaining due from, or overpaid by, Tenant for the year or other period covered by the statement. Within thirty (30) days after the date of delivery of the foregoing statement, Tenant shall pay to Landlord the balance of the amounts, if any, required to be paid pursuant to the above provisions of provided in this Section 2.7 with respect to the preceding Tax Year or fraction thereof, or Landlord shall credit any amounts due from it to Tenant pursuant to the provisions of this Section 2.7 against (x) monthly installments of fixed rent next thereafter coming due or (y) any sums then due from Tenant to Landlord under this Lease (or refund such portion of the over-payment as aforesaid if the Term has ended and Tenant has no further obligation to Landlord). In the event Landlord succeeds in obtaining a reduction of such real estate taxes, rates or assessments with respect to a real estate tax fiscal year as to which Tenant contributed Tenant's share of Landlord's Tax Expenses, then, Tenant subsection 4.2.1 shall be entitled to receive its proportionate share of the net amount of any refund received or reduction obtained by Landlord to the extent allocable to the Term of this Lease. Tenant's entitlement to such refund amount shall survive the expiration of the Term. Landlord will, upon the written request of Tenant, who together with other tenants lease at least fifty (50%) of the Total Rentable Floor Area of the Complex, at Landlord's election either (i) apply for an abatement of real estate taxes or (ii) allow such tenants to apply for abatements in their own name, or in Landlord's name, at their own cost (subject to such tenants' right to recover such costs on a first dollar basis from the abatement proceeds, if any). If such tenants apply for an abatement of real estate taxes, then Landlord shall have the right to be involved in each step of the abatement process, including, without limitation, Landlord's right to approve all filings in connection with such abatement proceedings (such approval not to be unreasonably withheld) appropriately apportioned and the right to attend all meetings between Tenant and its representatives and the representatives of the Town of Bedford. In addition, payments by Tenant on account of Landlord's Tax Expenses Allocable to the Premises anticipated for the then current year shall be made monthly at the time and in the fashion herein provided for the payment of fixed rent. The amount so to be paid to Landlord shall be an amount reasonably estimated by Landlord to be sufficient to provide Landlord, in the aggregate, a sum equal to Landlord's Tax Expenses Allocable to the Premises, at least ten (10) days before the day on which such payments by Landlord would become delinquent. To the extent that real estate taxes shall be payable to the taxing authority in installments with respect to periods less than a Tax Year, the foregoing statement shall be rendered and payments made on account of such installments. Terms used herein are defined as follows:adjusted.

Real Estate Taxes. For In the event that Tenant has not elected (or having once elected, has subsequently ceased) to pay real estate taxes directly to the appropriate taxing authorities pursuant to Section 2.7.1 below, for each full Tax Year falling within the Term, Tenant shall pay to Landlord, as Additional Rent, the Landlord's Tax Expenses Allocable to the Premises as hereinafter defined for such corresponding the applicable full Tax Year. In addition, and for each fraction of a Tax Year falling within the Term either at the beginning or end thereof, Tenant shall pay to Landlord, as Additional Rent, the product of (i) such Applicable fraction of a Tax Year and (ii) the Landlord's Tax Expenses Allocable to the Premises for the full Tax Year in which said such fraction occursof a Tax Year occurs (it being understood and agreed that Tenant shall not be responsible under this Lease for payment of real estate taxes associated with any portions of a Tax Year prior to the Commencement Date). Such payments shall be made at the times and in the manner hereinafter provided in this Section 2.7. On or before the thirtieth (30th) day following receipt by Tenant of the certified statement referred to below in this Section 2.7, Tenant shall pay to Landlord, as Additional Rent, the amount of the applicable Landlord's Tax Expenses Allocable to the Premises. Landlord shall promptly pay to Tenant any overpayment made by Tenant. In addition, payments by Tenant on account of Landlord's Tax Expenses Allocable to the Premises anticipated for the then current year shall be made monthly at the time and in the fashion herein provided for the payment of fixed rent. The amount so to be paid to Landlord shall be based on the final tax xxxx for the immediately preceding Tax Year (with an adjustment to be made when Landlord receives the actual tax xxxx for the Tax Year at issue). Not later than ninety (90) days after Landlord's Tax Expenses Allocable to the Premises are determined for the first such Tax Year or fraction thereof and for each succeeding Tax Year or fraction thereof during the Term, Landlord shall render Tenant a statement in reasonable detail certified by a representative of Landlord showing for the preceding year or fraction thereof, as the case may be, real estate taxes on the Buildings and Site, Landlord's Tax Expenses, Landlord's Tax Expenses Allocable to the Site Premises and abatements and refunds of any taxes and assessments. Expenditures for legal fees and for other expenses incurred in seeking the obtaining any tax refund or abatement (regardless of whether such refund or abatement are shown on the tax xxxx received from the relevant taxing authority) may be charged against the tax refund or abatement before the adjustments are made for the Tax Year. Said statement to be rendered to Tenant shall also show for the preceding Tax Year Notwithstanding anything contained herein or fraction thereof as the case may be the amounts of real estate taxes already paid by Tenant as Additional Rent, and the amount of real estate taxes remaining due from, or overpaid by, Tenant for the year or other period covered by the statement. Within thirty (30) days after the date of delivery of the foregoing statement, Tenant shall pay to Landlord the balance of the amounts, if any, required to be paid pursuant in Section 2.7.1 below to the above provisions of this Section 2.7 with respect to the preceding Tax Year or fraction thereofcontrary, or Landlord shall credit any amounts due from it to Tenant pursuant to the provisions of this Section 2.7 against (x) monthly installments of fixed rent next thereafter coming due or (y) any sums then due from Tenant to Landlord under this Lease (or refund such portion of the over-payment as aforesaid if the Term has ended is understood and Tenant has no further obligation to Landlord). In the event Landlord succeeds in obtaining a reduction of such real estate taxes, rates or assessments with respect to a real estate tax fiscal year as to which Tenant contributed Tenant's share of Landlord's Tax Expenses, then, Tenant shall be entitled to receive its proportionate share of the net amount of any refund received or reduction obtained by Landlord agreed that to the extent allocable to any portion of a Tax Year does not fall wholly within the Term of this Lease. Tenant's entitlement to such refund amount Lease Term, appropriate adjustments shall survive be made in the expiration of the Term. Landlord will, upon the written request of Tenant, who together with other tenants lease at least fifty (50%) of the Total Rentable Floor Area of the Complex, at Landlord's election either (i) apply for an abatement of real estate taxes or (ii) allow such tenants to apply for abatements in their own name, or in Landlord's name, at their own cost (subject to such tenants' right to recover such costs on a first dollar basis from the abatement proceeds, if any). If such tenants apply for an abatement of real estate taxes, then Landlord shall have the right to be involved in each step of the abatement process, including, without limitation, Landlord's right to approve all filings in connection with such abatement proceedings (such approval not to be unreasonably withheld) and the right to attend all meetings between Tenant and its representatives and the representatives of the Town of Bedford. In addition, payments by Tenant on account calculation of Landlord's Tax Expenses Allocable to the Premises anticipated for the then current year shall be to reflect any overpayments or underpayments made monthly at the time and by Tenant on account of increases in the fashion herein provided for tax xxxx during a given Tax Year based on the payment actual number of fixed rent. The amount so to be paid to Landlord shall be an amount reasonably estimated by Landlord to be sufficient to provide Landlord, days in such Tax Year within the aggregate, a sum equal to Landlord's Tax Expenses Allocable to the Premises, at least ten (10) days before the day on which such payments by Landlord would become delinquentLease Term. To the extent that real estate taxes shall be payable to the taxing authority in installments with respect to periods less than a Tax Year, the foregoing statement shall be rendered and payments made on account of such installments. Terms used herein are defined as follows:

Real Estate Taxes. For each Ifwith respect to any full Tax Year or fraction of a Tax Year falling within the Term, Landlord 's Tax Expenses Allocable to the Premises as hereinafter defined for a full Tax Year exceed Base Taxes Allocable to the Premises, or for any such fraction of a Tax Year exceed the corresponding fraction of Base Taxes Allocable to the Premises then, on or before the thirtieth (301h) day following receipt by Tenant of the certified statement referred to below in this Section 2.7, then Tenant shall pay to Landlord, as Additional Rent, the Landlordamount of such excess ("Tenant's Tax Expenses Allocable to the Premises for such corresponding Tax Year, and for each fraction of a Tax Year falling within the Term at the beginning or end thereof, Tenant shall pay to Landlord, as Additional Rent, the product of (i) such Applicable fraction of a Tax Year and (ii) the Landlord's Tax Expenses Allocable to the Premises for the Tax Year in which said fraction occursPayment"). Not later than ninety (90) days after Landlord's Tax Expenses Allocable to the Premises are determined for the first such Tax Year or fraction thereof and for each succeeding Tax Year or fraction thereof during the Term, Landlord shall render Tenant a statement in reasonable detail certified by a representative of Landlord showing for the preceding year or fraction thereof, as the case may be, real estate taxes Real Estate Taxes (as hereinafter defined) on the Buildings Building and the Site and abatements and refunds of any taxes and assessments. Expenditures for Reasonable expendituresTor legal fees and for other expenses reasonably incurred in seeking the tax refund or abatement may be charged against the tax refund or abatement before the adjustments are made for the Tax YearYear to the extent such costs were not already included in the calculation of Real Estate Taxes. Said statement to be rendered to Tenant shall also show for the preceding Tax Year or fraction thereof as the case may be the amounts of real estate taxes Tenant's Tax Payment already paid by Tenant as Additional Rent, and the amount of real estate taxes Tenant's Tax Payment remaining due from, or overpaid by, Tenant for the year or other period covered by the statement. Within thirty (30) days after the date of delivery of the foregoing statement, Tenant shall pay to Landlord the balance of the amounts, if any, required to be paid pursuant to the above provisions of this Section 2.7 with respect to the preceding Tax Year or fraction thereof, or Landlord shall credit any amounts due from it to Tenant S:\Lcgal\Waltham\77 Fourth Avcnuc\Lcascs\Phasc Forward (H).doc pursuant to the provisions of this Section 2.7 against (xi) monthly installments of fixed rent next thereafter coming due or (yii) any sums then due from Tenant to Landlord under this Lease (or refund such portion of the over-payment as aforesaid if the Term has ended and Tenant has no further obligation to Landlord). In the event Landlord succeeds in obtaining a reduction of such real estate taxes, rates or assessments with respect to a real estate tax fiscal year as to which Tenant contributed Tenant's share of Landlord's Tax Expenses, then, Tenant shall be entitled to receive its proportionate share of the net amount of any refund received or reduction obtained by Landlord to the extent allocable to the Term of this Lease. Tenant's entitlement to such refund amount shall survive the expiration of the Term. Landlord will, upon the written request of Tenant, who together with other tenants lease at least fifty (50%) of the Total Rentable Floor Area of the Complex, at Landlord's election either (i) apply for an abatement of real estate taxes or (ii) allow such tenants to apply for abatements in their own name, or in Landlord's name, at their own cost (subject to such tenants' right to recover such costs on a first dollar basis from the abatement proceeds, if any). If such tenants apply for an abatement of real estate taxes, then Landlord shall have the right to be involved in each step of the abatement process, including, without limitation, Landlord's right to approve all filings in connection with such abatement proceedings (such approval not to be unreasonably withheld) and the right to attend all meetings between Tenant and its representatives and the representatives of the Town of Bedford. In addition, payments by Tenant on account of LandlordTenant's Tax Expenses Allocable to the Premises Payment anticipated for the then current year shall be made monthly at the time and in the fashion herein provided for the payment of fixed rentAnnual Fixed Rent, provided, however, in no event will Tenant have any obligation to make any payment of Tenant's Tax Payment prior to July 1, 2010. The amount so to be paid to Landlord shall be an amount reasonably estimated by Landlord to be sufficient to provide Landlord, in the aggregate, a sum equal to LandlordTenant's Tax Expenses Allocable to the PremisesPayment, at least ten (( 10) days days, but not more than thirty (30) days, before the day on which such payments by Landlord would become delinquent. In no event shall Landlord be entitled to retain more than one hundred percent (100%) of the Landlord's Tax Expenses (as defined below) actually paid or incurred by Landlord in any particular fiscal tax year. To the extent that real estate taxes Real Estate Taxes shall be payable to the taxing authority in installments with respect to periods less than a Tax Year, the foregoing statement shall be rendered and payments made on account of such installments. Terms used herein are defined as follows:

Real Estate Taxes. For each Tax Year falling within Landlord shall pay all general taxes on the Building and the Property, including all general real estate taxes, personal property taxes on Landlord’s personal property located at the Property and installments for special assessments arising during the Term. In event any special assessments or similar charges are levied against the Building and/or the Property, Landlord shall either (1) elect to defer such payments over the longest period allowed by law and Tenant shall only be required to pay such installments thereof which accrue and are payable during the Term, or (2) if Landlord chooses in its sole discretion to pay such special assessments or similar charges in whole or in accord with a payment schedule shorter than the longest payment schedule allowed by law, then Tenant shall pay to Landlord in equal monthly installments only that portion of the total special assessments or charges that would accrue and be payable during the Term if the special assessments or charges were deferred over the longest period allowed by law. Tenant agrees to reimburse Landlord for Tenant’s Proportionate Share of such taxes and assessments. Tenant’s obligation for each tax described in this section shall be further prorated for the first year of this Lease between Landlord and Tenant as of the Commencement Date of this Lease. Tenant’s obligation for each tax described in this section shall be further prorated for the last year of the Term as of the last day of the Term. Tenant shall, upon notice from Landlord, pay in escrow to Landlord one-twelfth (1/12) of Tenant’s Proportionate Share of the estimated annual real estate taxes, personal property taxes and installments for special assessments for the Building and Property on the first day of each month after such request, provided, however, that if the sum of such installments shall be less than the total amount of Tenant’s Proportionate Share of such taxes, Tenant shall pay to Landlord, as Additional Rent, the Landlord's Tax Expenses Allocable to the Premises for such corresponding Tax Year, and for each fraction of a Tax Year falling within the Term deficiency at the beginning or end thereof, Tenant shall pay to Landlord, as Additional Rent, the product of (i) such Applicable fraction of a Tax Year and (ii) the Landlord's Tax Expenses Allocable to the Premises for the Tax Year in which said fraction occurs. Not later than ninety (90) days after Landlord's Tax Expenses Allocable to the Premises are determined for the first such Tax Year or fraction thereof and for each succeeding Tax Year or fraction thereof during the Term, Landlord shall render Tenant a statement in reasonable detail certified by a representative of Landlord showing for the preceding year or fraction thereof, as the case may be, real estate taxes on the Buildings and the Site and abatements and refunds of any taxes and assessments. Expenditures for legal fees and for other expenses incurred in seeking the tax refund or abatement may be charged against the tax refund or abatement before the adjustments are made for the Tax Year. Said statement to be rendered to Tenant shall also show for the preceding Tax Year or fraction thereof as the case may be the amounts of real estate taxes already paid by Tenant as Additional Rent, and the amount of real estate taxes remaining due from, or overpaid by, Tenant for the year or other period covered by the statement. Within least thirty (30) days after Landlord’s written request therefore, taking into account any installment payment arrangements offered by the date taxing authority without the imposition of delivery any finance charge, penalty or other cost. Tenant’s escrow payment shall be applied by Landlord to the payment of the foregoing statementtaxes on the Building and Property. At the termination of this Lease, Tenant shall pay to Landlord the balance for Tenant’s Proportionate Share of the amounts, if any, required to be paid pursuant to the above provisions of this Section 2.7 with respect to the preceding Tax Year or fraction thereof, or Landlord shall credit any amounts due from it to Tenant pursuant to the provisions of this Section 2.7 against (x) monthly installments of fixed rent next thereafter coming due or (y) any sums then due from Tenant to Landlord under this Lease (or refund such taxes for that portion of the over-payment as aforesaid if termination year this Lease is in effect. Once Tenant’s Proportionate Share of taxes for that portion of the Term has ended and termination year this Lease is in effect is known, Landlord shall send Tenant has no further obligation to an invoice indicating Tenant’s Proportionate Share of taxes. Tenant shall pay Landlord). In the event Landlord succeeds in obtaining a reduction ’s invoice within thirty (30) days of such real estate taxes, rates or assessments with respect to a real estate tax fiscal year as to which Tenant contributed Tenant's share receipt of Landlord's Tax Expenses, then, ’s invoice. Any payment by Tenant in excess of its Proportionate Share of taxes for any tax year shall be entitled refunded to receive its proportionate share of Tenant as soon as reasonably practicable. Upon the net amount of any refund received or reduction obtained by Landlord to the extent allocable to the Term of this Lease. Tenant's entitlement to such refund amount shall survive the expiration of the Term. Landlord will, upon the written reasonable request of Tenant, who together Landlord agrees to work with Tenant in good faith and with due diligence to contest taxes levied against the Building and/or Property. Tenant shall be responsible for any and all reasonable out-of-pocket costs incurred by Landlord while acting under Tenant’s request to contest taxes levied against the Building and/or Property, including attorneys’ or other tenants lease at least fifty (50%) professional fees. As of the Total Rentable Floor Area Commencement Date, the Leased Premises is classified as manufacturing by the State of Wisconsin Department of Revenue. Tenant agrees to make available to Landlord all information deemed necessary by Landlord for the Complex, at Landlord's election either (i) apply for an abatement of real estate taxes or (ii) allow such tenants to apply for abatements in their own name, or in Landlord's name, at their own cost (subject to such tenants' right to recover such costs on a first dollar basis from the abatement proceeds, if any). If such tenants apply for an abatement of real estate taxes, then Landlord shall have the right to be involved in each step of the abatement process, including, without limitation, Landlord's right to approve all filings in connection with such abatement proceedings (such approval not to be unreasonably withheld) complete and the right to attend all meetings between Tenant and its representatives and the representatives of the Town of Bedford. In addition, payments by Tenant on account truthful submission of Landlord's Tax Expenses Allocable to the Premises anticipated for the then current year shall be made monthly at the time and in the fashion herein provided for the payment of fixed rent. The amount so to be paid to Landlord shall be an amount reasonably estimated by Landlord to be sufficient to provide Landlord, in the aggregate, a sum equal to Landlord's Tax Expenses Allocable to the Premises, at least ten (10) days before the day on which such payments by Landlord would become delinquent. To the extent that real estate taxes shall be payable to the taxing authority in installments with respect to periods less than a Tax Year, the foregoing statement shall be rendered and payments made on account of such installments. Terms used herein are defined as follows:’s manufacturing property tax returns.

Real Estate Taxes. For Tenant's Pro Rata Share of Operating Expenses and Real Estate Taxes shall be paid by Tenant in monthly installments in such amounts as are estimated and billed by Landlord at the beginning of each Tax Year falling within twelve (12) month period commencing and ending on dates designated by Landlord, each installment being due on the Termfirst day of each calendar month. If at any time during such twelve (12) month period, it shall appear that Landlord has materially underestimated or overestimated Operating Expenses or Real Estate Taxes, Landlord may re-estimate Tenant's Pro Rata Share of Operating Expenses and Real Estate Taxes and may xxxx Tenant for any deficiency or credit Tenant for any surplus which may have accrued during such twelve (12) month period and thereafter the monthly installment payable by Tenant shall also be adjusted. Within one hundred (100) days after the end of each such twelve (12) month period, Landlord shall deliver to Tenant a statement of Operating Expenses and Real Estate Taxes for such twelve (12) month period and the monthly installments paid or payable shall be adjusted between Landlord and Tenant, and each party hereby agrees that Tenant shall pay to LandlordLandlord or Landlord shall credit Tenant' s account (or, as Additional Rent, the Landlord's Tax Expenses Allocable to the Premises for if such corresponding Tax Year, and for each fraction of a Tax Year falling within the Term adjustment is at the beginning or end thereofof the term, Tenant shall pay to LandlordTenant), as Additional Rent, the product of (i) such Applicable fraction of a Tax Year and (ii) the Landlord's Tax Expenses Allocable to the Premises for the Tax Year in which said fraction occurs. Not later than ninety (90) days after Landlord's Tax Expenses Allocable to the Premises are determined for the first such Tax Year or fraction thereof and for each succeeding Tax Year or fraction thereof during the Term, Landlord shall render Tenant a statement in reasonable detail certified by a representative of Landlord showing for the preceding year or fraction thereof, as the case may be, real estate taxes on the Buildings and the Site and abatements and refunds of any taxes and assessments. Expenditures for legal fees and for other expenses incurred in seeking the tax refund or abatement may be charged against the tax refund or abatement before the adjustments are made for the Tax Year. Said statement to be rendered to Tenant shall also show for the preceding Tax Year or fraction thereof as the case may be the amounts of real estate taxes already paid by Tenant as Additional Rent, and the amount of real estate taxes remaining due from, or overpaid by, Tenant for the year or other period covered by the statement. Within within thirty (30) days after the date of delivery receipt of the foregoing such statement, Tenant shall pay to Landlord the balance amount of the amounts, if any, required to be any excess or deficiency in Tenant's Pro Rata Share of Operating Expenses and Real Estate Taxes paid pursuant to the above provisions of this Section 2.7 with respect to the preceding Tax Year or fraction thereof, or Landlord shall credit any amounts due from it to Tenant pursuant to the provisions of this Section 2.7 against (x) monthly installments of fixed rent next thereafter coming due or (y) any sums then due from by Tenant to Landlord under this Lease during such twelve (or refund such portion 12) month period. Failure of Landlord to provide the over-payment as aforesaid if statement called for hereunder within the Term has ended time prescribed shall not relieve Tenant from its obligations hereunder. Tenant shall have the right from time to time (but not exceeding once in any 12 month period) to examine books and Tenant has no further obligation records relating to Operating Expenses, including the right to conduct audits at Tenant's expense. Such examinations and audits shall be performed by certified public accountants, at Landlord's offices, during normal business hours, and on reasonable prior written notice to Landlord). Tenant shall have the right from time to time (but not exceeding once in any 12 month period) to examine books and records relating to Operating Expenses, including the right to conduct audits at Tenant's expense. In the event said audit discloses a total deviation in excess of four (4%) percent, or more, of the actual Operating Expenses, Landlord succeeds in obtaining a reduction of such real estate taxes, rates or assessments with respect to a real estate tax fiscal year as to which Tenant contributed shall credit Tenant's share of Landlord's Tax Expenses, then, Tenant shall be entitled to receive its proportionate share of account in the net amount of any refund received overpayment disclosed, plus interest at the prime rate, and shall pay Tenant the cost of said audit. In no event shall Tenant employ any person, firm or reduction obtained by Landlord entity to perform the extent allocable to the Term rights of this Lease. Tenant's entitlement to such refund amount shall survive the expiration of the Term. Landlord will, upon the written request of Tenant, Tenant hereunder who together with other tenants lease at least fifty (50%) of the Total Rentable Floor Area of the Complex, at Landlord's election either (i) apply for an abatement of real estate taxes or (ii) allow such tenants to apply for abatements in their own name, or in Landlord's name, at their own cost (subject to such tenants' right to recover such costs is paid on a first dollar basis from the abatement proceeds, if any). If such tenants apply for an abatement of real estate taxes, then Landlord shall have the right to be involved in each step of the abatement process, including, without limitation, Landlord's right to approve all filings in connection with such abatement proceedings (such approval not to be unreasonably withheld) and the right to attend all meetings between Tenant and its representatives and the representatives of the Town of Bedford. In addition, payments by Tenant on account of Landlord's Tax Expenses Allocable to the Premises anticipated for the then current year shall be made monthly at the time and in the fashion herein provided for the payment of fixed rent. The amount so to be paid to Landlord shall be an amount reasonably estimated by Landlord to be sufficient to provide Landlord, in the aggregate, a sum equal to Landlord's Tax Expenses Allocable to the Premises, at least ten (10) days before the day on which such payments by Landlord would become delinquent. To the extent that real estate taxes shall be payable to the taxing authority in installments with respect to periods less than a Tax Year, the foregoing statement shall be rendered and payments made on account of such installments. Terms used herein are defined as follows:contingency fee basis.

Real Estate Taxes. For each Tax Year falling within Tenant, during the TermTerm of this Lease, shall pay prior to the due date or cause to be paid prior to the due date all taxes levied against the Premises, including real property taxes, personal property taxes and special assessments (and interest, demand and other charges assessed due to Tenant's failure to pay taxes and assessments). Tenant may, in its own name or in the name of Landlord, contest any assessment or tax, and, in such event, Tenant shall pay all costs and expenses of contesting such assessment or tax. Landlord agrees to Landlorddirect the appropriate taxing authority to mail bills for such taxes and assessments directly to Tenant. Tenant agrees to provide Landlord with appropriate evidence that the payments required to be made hereunder have been made within a reasonable time after Landlord requests such evidence. If any taxes or assessments may be payable in installments, Tenant may pay the same in installments as the same become due. Tenant shall be obligated to pay only those taxes, assessments or betterments attributed to the Term of this Lease and any such taxes and assessments or installments thereof payable with respect to a tax period during which the Term of this Lease shall commence or end shall be adjusted between Landlord and Tenant as of the beginning or end of the Term, as Additional Rentapplicable, so that Tenant shall pay only the Landlord's Tax Expenses Allocable amount which bears the same relation to the Premises for tax or assessment or installment thereof as the part of such corresponding Tax Year, and for each fraction of a Tax Year falling tax period included within the Term of this Lease bears to the entire tax period at the beginning or end thereof, Tenant shall pay to Landlord, as Additional Rent, the product of (i) such Applicable fraction of a Tax Year and (ii) the Landlord's Tax Expenses Allocable to the Premises for the Tax Year in which said fraction occurs. Not later than ninety (90) days after Landlord's Tax Expenses Allocable to the Premises are determined for the first such Tax Year or fraction thereof and for each succeeding Tax Year or fraction thereof during the Term, Landlord shall render Tenant a statement in reasonable detail certified by a representative of Landlord showing for the preceding year or fraction thereof, as the case may be, real estate taxes on the Buildings and the Site and abatements and refunds of any taxes and assessmentsapplicable. Expenditures for legal fees and for other expenses incurred in seeking the tax refund or abatement may be charged against the tax refund or abatement before the adjustments are made for the Tax Year. Said statement to be rendered to Tenant shall also show for the preceding Tax Year or fraction thereof So long as the case may be the amounts of real estate taxes already paid by Tenant as Additional Rent, and the amount of real estate taxes remaining due from, or overpaid by, Tenant for the year or other period covered by the statement. Within thirty (30) days after the date of delivery of the foregoing statement, Tenant shall pay to Landlord the balance of the amounts, if any, required to be paid pursuant to the above provisions of this Section 2.7 with respect to the preceding Tax Year or fraction thereof, or Landlord shall credit any amounts due from it to Tenant pursuant to the provisions of this Section 2.7 against (x) monthly installments of fixed rent next thereafter coming due or (y) any sums then due from Tenant to Landlord under this Lease (or refund such portion of the over-payment as aforesaid if the Term has ended is in full force and Tenant has no further obligation to Landlord). In the event Landlord succeeds in obtaining a reduction of such real estate taxes, rates or assessments with respect to a real estate tax fiscal year as to which Tenant contributed Tenant's share of Landlord's Tax Expenses, theneffect, Tenant shall be entitled to receive its proportionate share the benefit of the net amount of any refund received or reduction obtained by Landlord to the extent allocable to the Term of this Lease. Tenant's entitlement to such refund amount shall survive the expiration of the Term. Landlord will, upon the written request of Tenant, who together with other tenants lease at least fifty (50%) of the Total Rentable Floor Area of the Complex, at Landlord's election either (i) apply for an abatement of all real estate taxes or (ii) allow such tenants to apply for tax reductions, exemptions and/or abatements benefiting the Premises which are in their own name, or in Landlord's name, at their own cost (subject to such tenants' right to recover such costs on a first dollar basis from the abatement proceeds, if any). If such tenants apply for an abatement of real estate taxes, then Landlord shall have the right to be involved in each step of the abatement process, including, without limitation, Landlord's right to approve all filings in connection force and effect by agreement with such abatement proceedings (such approval not to be unreasonably withheld) and the right to attend all meetings between Tenant and its representatives and the representatives of the Town of BedfordAndover taxing authorities, which benefits shall be adjusted between Landlord and Tenant in the same manner as tax payments are adjusted as described in the previous sentence. In additionNothing contained in this Lease shall, payments by however, require Tenant on account to pay any of Landlord's Tax Expenses Allocable to the Premises anticipated for the then current year shall be made monthly at the time and in the fashion herein provided for the payment of fixed rent. The amount so to be paid to Landlord shall be an amount reasonably estimated by Landlord to be sufficient to provide Landlordincome taxes, in the aggregateexcess profits taxes, a sum equal to Landlord's Tax Expenses Allocable to the Premisesexcise taxes, at least ten (10) days before the day on which such payments by Landlord would become delinquent. To the extent that real estate taxes shall be payable to the taxing authority in installments with respect to periods less than a Tax Yearfranchise taxes, the foregoing statement shall be rendered and payments made on account of such installments. Terms used herein are defined as follows:estate, secession, inheritance or transfer taxes.

Real Estate Taxes. For each If Taxes (as hereinafter defined) assessed against the Property (or estimated to be due by governmental authority) for any fiscal tax period (a “Tax Year falling Year”) during the term of this Lease shall exceed Base Taxes, whether due to increase in rate or reassessment of the Property, or both, Tenant shall reimburse Landlord therefor, as Additional Rent, in an amount equal to Tenant’s Percentage of any such excess (the “Tax Excess”). Except as otherwise provided in the immediately following paragraph, Tenant shall pay the Tax Excess to Landlord at least ten (10) days prior to the date or dates within any year during the Termterm hereof that the same, or any fractional share thereof, shall be due and payable to any governmental authority responsible for collection of same (as stated in a notice to Tenant given at least twenty (20) days prior to the date or dates any such payment shall be due, which notice shall set forth the manner of computation of any Tax Excess due from Tenant, except that such payment shall be made to Landlord not later than ten (10) days after such notice to Tenant if such notice is given subsequent to the date twenty (20) days prior to the date the same is due and payable as aforesaid). At Landlord’s election, Tenant shall pay to Landlord, as Additional Rent on the first day of each calendar month during the term but otherwise in the manner provided for the payment of Annual Fixed Rent, estimated payments on account of the Landlord's Tax Expenses Allocable Excess, such monthly amounts to be sufficient to provide Landlord by the time Tax payments are due or are to be made by Landlord a sum equal to the Premises Tax Excess, as reasonably estimated by Landlord from time to time on account of Taxes for the then current Tax Year. If the total of such monthly remittances for any Tax Year is greater than the Tax Excess for such corresponding Tax Year, Landlord shall credit such overpayment against Tenant’s subsequent obligations on account of Additional Rent until the overpayment is fully credited (or promptly refund such overpayment if the term of this Lease has ended and Tenant has no further obligations to Landlord); if the total of such remittances is less than the Tax Excess for each fraction of a such Tax Year falling within the Term at the beginning or end thereofYear, Tenant shall pay the difference to Landlord, as Additional Rent, the product of Landlord within thirty (i) such Applicable fraction of a Tax Year and (ii) the Landlord's Tax Expenses Allocable to the Premises for the Tax Year in which said fraction occurs. Not later than ninety (9030) days after being so notified by Landlord's . If, after Tenant shall have made all payments due to Landlord pursuant to this Subsection 4.2.1, Landlord shall receive a refund of any portion of Taxes as a result of an abatement of such Taxes by legal proceedings, settlement or otherwise (without either party having any obligation to undertake any such proceedings), Landlord shall pay or credit to Tenant Tenant’s Percentage of that percentage of the refund (after first deducting any expenses, including attorneys’, consultants’ and appraisers’ fees, incurred in connection with obtaining any such refund) which equals the percentage of the applicable Tax Expenses Allocable Year included in the term hereof, provided however, in no event shall Tenant be entitled to receive more than the Premises are determined for the first sum of payments actually made by {B2323618; 13} Tenant on account of Taxes with respect to such Tax Year or fraction thereof and to receive any payment if Taxes for each succeeding any Tax Year are less than Base Taxes. In the event that the Commencement Date shall occur or the term of this Lease shall expire or be terminated during any Tax Year, or should the Tax Year or fraction thereof period of assessment of Taxes be changed or be more or less than one (1) year, or should Tenant’s Percentage be modified during any Tax Year due to a change in the Term, Landlord shall render Tenant a statement in reasonable detail certified by a representative rentable area of Landlord showing for the preceding year Building and/or the Premises or fraction thereofotherwise, as the case may be, real estate taxes on then the Buildings and the Site and abatements and refunds amount of any taxes and assessments. Expenditures for legal fees and for other expenses incurred in seeking the tax refund or abatement Tax Excess which may be charged against the tax refund or abatement before the adjustments are made for the Tax Year. Said statement to be rendered to Tenant shall also show for the preceding Tax Year or fraction thereof as the case may be the amounts of real estate taxes already paid otherwise payable by Tenant as Additional Rent, and the amount of real estate taxes remaining due from, or overpaid by, Tenant for the year or other period covered by the statement. Within thirty (30) days after the date of delivery of the foregoing statement, Tenant shall pay to Landlord the balance of the amounts, if any, required to be paid pursuant to the above provisions of provided in this Section 2.7 with respect to the preceding Tax Year or fraction thereof, or Landlord shall credit any amounts due from it to Tenant pursuant to the provisions of this Section 2.7 against (x) monthly installments of fixed rent next thereafter coming due or (y) any sums then due from Tenant to Landlord under this Lease (or refund such portion of the over-payment as aforesaid if the Term has ended and Tenant has no further obligation to Landlord). In the event Landlord succeeds in obtaining a reduction of such real estate taxes, rates or assessments with respect to a real estate tax fiscal year as to which Tenant contributed Tenant's share of Landlord's Tax Expenses, then, Tenant Subsection 4.2.1 shall be entitled to receive its proportionate share of the net amount of any refund received or reduction obtained by Landlord to the extent allocable to the Term of this Lease. Tenant's entitlement to such refund amount shall survive the expiration of the Term. Landlord will, upon the written request of Tenant, who together with other tenants lease at least fifty (50%) of the Total Rentable Floor Area of the Complex, at Landlord's election either (i) apply for an abatement of real estate taxes or (ii) allow such tenants to apply for abatements in their own name, or in Landlord's name, at their own cost (subject to such tenants' right to recover such costs pro-rated on a first dollar daily basis from the abatement proceeds, if any). If such tenants apply for an abatement of real estate taxes, then Landlord shall have the right to be involved in each step of the abatement process, including, without limitation, Landlord's right to approve all filings in connection with such abatement proceedings (such approval not to be unreasonably withheld) and the right to attend all meetings between Tenant and its representatives and the representatives of the Town of Bedford. In addition, payments by Tenant based on account of Landlord's Tax Expenses Allocable to the Premises anticipated for the then current year shall be made monthly at the time and in the fashion herein provided for the payment of fixed rent. The amount so to be paid to Landlord shall be an amount reasonably estimated by Landlord to be sufficient to provide Landlord, in the aggregate, a sum equal to Landlord's Tax Expenses Allocable to the Premises, at least ten (10) days before the 360 day on which such payments by Landlord would become delinquent. To the extent that real estate taxes shall be payable to the taxing authority in installments with respect to periods less than a Tax Year, the foregoing statement shall be rendered and payments made on account of such installments. Terms used herein are defined as follows:.

Real Estate Taxes. For each Tax Year falling within the Term, Tenant shall pay to Landlord, as Additional Rentadditional rent, for each tax period partially or wholly included in the term, Tenant’s Percentage of Taxes (as hereinafter defined). Tenant shall remit to Landlord, on the first day of each calendar month, estimated payments on account of Taxes, such monthly amounts to be sufficient to provide Landlord, by the time real estate tax payments are due and payable to any governmental authority responsible for collection of same, a sum equal to the Tenant’s Percentage of Taxes, as reasonably estimated by Landlord from time to time on the basis of the most recent tax data available. The initial calculation of the monthly estimated payments shall be based upon the Initial Estimate of Tenant’s Percentage of Taxes for the Tax Year and upon quarterly payments being due to the governmental authority on August 1, November 1, February 1 and May 1, and shall be made when the Commencement Date has been determined. If the total of such monthly remittances for any Tax Year is greater than the Tenant’s Percentage of Taxes for such Tax year, Landlord shall promptly pay to Tenant, or credit against the next accruing payments to be made by Tenant pursuant to this subsection 4.2.1, the Landlord's Tax Expenses Allocable to difference; if the Premises total of such remittances is less than the Tenant’s Percentage of Taxes for such corresponding Tax Year, and for each fraction of a Tax Year falling within the Term at the beginning or end thereof, Tenant shall pay the difference to LandlordLandlord at least ten (10) days prior to the date or dates within such Tax Year that any Taxes become due and payable to the governmental authority (but in any event no earlier than ten (10) days following a written notice to Tenant, which notice shall set forth the manner of computation of Tenant’s Percentage of Taxes). If, after Tenant shall have made reimbursement to Landlord pursuant to this subsection 4.2.1, Landlord shall receive a refund of any portion of Taxes paid by Tenant with respect to any Tax Year during the term hereof as a result of an abatement of such Taxes by legal proceedings, settlement or otherwise (without either party having any obligation to undertake any such proceedings), Landlord shall promptly pay to Tenant, or credit against the next accruing payments to be made by Tenant pursuant to this subsection 4.2.1, the Tenant’s Percentage of the refund (less the proportional, pro rata expenses, including attorneys’ fees and appraisers’ fees, incurred in connection with obtaining any such refund), as Additional Rent, the product of (i) such Applicable fraction of a relates to Taxes paid by Tenant to Landlord with respect to any Tax Year and for which such refund is obtained. In the event this Lease shall commence, or shall end (ii) by reason of expiration of the Landlord's Tax Expenses Allocable term or earlier termination pursuant to the Premises for provisions hereof), on any date other than the first or last day of the Tax Year, or should the Tax Year in which said fraction occurs. Not later or period of assessment of real estate taxes be changed or be more or less than ninety one (901) days after Landlord's Tax Expenses Allocable to the Premises are determined for the first such Tax Year or fraction thereof and for each succeeding Tax Year or fraction thereof during the Term, Landlord shall render Tenant a statement in reasonable detail certified by a representative of Landlord showing for the preceding year or fraction thereofyear, as the case may be, real estate taxes on then the Buildings and the Site and abatements and refunds amount of any taxes and assessments. Expenditures for legal fees and for other expenses incurred in seeking the tax refund or abatement Taxes which may be charged against the tax refund or abatement before the adjustments are made for the Tax Year. Said statement to be rendered to Tenant shall also show for the preceding Tax Year or fraction thereof as the case may be the amounts of real estate taxes already paid payable by Tenant as Additional Rent, and the amount of real estate taxes remaining due from, or overpaid by, Tenant for the year or other period covered by the statement. Within thirty (30) days after the date of delivery of the foregoing statement, Tenant shall pay to Landlord the balance of the amounts, if any, required to be paid pursuant to the above provisions of provided in this Section 2.7 with respect to the preceding Tax Year or fraction thereof, or Landlord shall credit any amounts due from it to Tenant pursuant to the provisions of this Section 2.7 against (x) monthly installments of fixed rent next thereafter coming due or (y) any sums then due from Tenant to Landlord under this Lease (or refund such portion of the over-payment as aforesaid if the Term has ended and Tenant has no further obligation to Landlord). In the event Landlord succeeds in obtaining a reduction of such real estate taxes, rates or assessments with respect to a real estate tax fiscal year as to which Tenant contributed Tenant's share of Landlord's Tax Expenses, then, Tenant subsection 4.2.1 shall be entitled to receive its proportionate share of the net amount of any refund received or reduction obtained by Landlord to the extent allocable to the Term of this Lease. Tenant's entitlement to such refund amount shall survive the expiration of the Term. Landlord will, upon the written request of Tenant, who together with other tenants lease at least fifty (50%) of the Total Rentable Floor Area of the Complex, at Landlord's election either (i) apply for an abatement of real estate taxes or (ii) allow such tenants to apply for abatements in their own name, or in Landlord's name, at their own cost (subject to such tenants' right to recover such costs on a first dollar basis from the abatement proceeds, if any). If such tenants apply for an abatement of real estate taxes, then Landlord shall have the right to be involved in each step of the abatement process, including, without limitation, Landlord's right to approve all filings in connection with such abatement proceedings (such approval not to be unreasonably withheld) appropriately apportioned and the right to attend all meetings between Tenant and its representatives and the representatives of the Town of Bedford. In addition, payments by Tenant on account of Landlord's Tax Expenses Allocable to the Premises anticipated for the then current year shall be made monthly at the time and in the fashion herein provided for the payment of fixed rent. The amount so to be paid to Landlord shall be an amount reasonably estimated by Landlord to be sufficient to provide Landlord, in the aggregate, a sum equal to Landlord's Tax Expenses Allocable to the Premises, at least ten (10) days before the day on which such payments by Landlord would become delinquent. To the extent that real estate taxes shall be payable to the taxing authority in installments with respect to periods less than a Tax Year, the foregoing statement shall be rendered and payments made on account of such installments. Terms used herein are defined as follows:adjusted.

Real Estate Taxes. For each If Taxes (as hereinafter defined) assessed against the Property (or estimated to be due by governmental authority) for any fiscal tax period (a “Tax Year falling Year”) during the term of this Lease shall exceed Base Taxes, whether due to increase in rate or reassessment of the Property, or both, Tenant shall reimburse Landlord, as Additional Rent, in an amount equal to Tenant’s Percentage of any such excess (such amount being hereinafter referred to as the “Tax Excess”). Except as otherwise provided in the immediately following paragraph, Tenant shall pay the Tax Excess to Landlord within thirty (30) days after delivery to Tenant of a year-end statement of the Term, Taxes and Tax Excess for the preceding Tax Year. Tenant shall pay to Landlord, as Additional Rent on the first day of each calendar month during the term but otherwise in the manner provided for the payment of Annual Fixed Rent, estimated payments on account of the Landlord's Tax Expenses Allocable Excess, such monthly amounts to be sufficient to provide Landlord by the time Tax payments are due or are to be made by Landlord a sum equal to the Premises Tax Excess, as reasonably estimated by Landlord from time to time on account of Taxes for the then current Tax Year. If the total of such monthly remittances for any Tax Year is greater than the Tax Excess for such corresponding Tax Year, Landlord shall credit such overpayment against Tenant’s subsequent obligations on account of Taxes (or promptly refund such overpayment if the term of this Lease has ended and Tenant has no further obligations to Landlord); if the total of such remittances is less than the Tax Excess for each fraction of a such Tax Year falling within the Term at the beginning or end thereofYear, Tenant shall pay the difference to Landlord, as Additional Rent, the product of Landlord within ten (i) such Applicable fraction of a Tax Year and (ii) the Landlord's Tax Expenses Allocable to the Premises for the Tax Year in which said fraction occurs. Not later than ninety (9010) days after being so notified by Landlord's . If, after Tenant shall have made all payments due to Landlord pursuant to this Subsection 4.2.1, Landlord shall receive a refund of any portion of Taxes as a result of an abatement of such Taxes by legal proceedings, settlement or otherwise (without either party having any obligation to undertake any such proceedings), Landlord shall pay or credit to Tenant Tenant’s Percentage of that percentage of the refund (after first deducting any reasonable expenses, including attorneys’, consultants’ and appraisers’ fees, incurred in connection with obtaining any such refund) which equals the percentage of the applicable Tax Expenses Allocable Year included in the term hereof, provided however, in no event shall Tenant be entitled to receive more than the Premises are determined for the first sum of payments actually made by Tenant on account of Taxes with respect to such Tax Year or fraction thereof and to receive any payment if Taxes for each succeeding any Tax Year are less than Base Taxes. In the event that Tenant’s obligation to pay Additional Rent for Taxes shall commence, or the term of this Lease shall expire or be terminated during any Tax Year, or should the Tax Year or fraction thereof period of assessment of real estate taxes be changed or be more or less than one (1) year, or should Tenant’s Percentage be modified during any Tax Year due to a change in the Term, Landlord shall render Tenant a statement in reasonable detail certified by a representative rentable area of Landlord showing for the preceding year Building and/or the Premises or fraction thereofotherwise, as the case may be, real estate taxes on then the Buildings and the Site and abatements and refunds amount of any taxes and assessments. Expenditures for legal fees and for other expenses incurred in seeking the tax refund or abatement Tax Excess which may be charged against the tax refund or abatement before the adjustments are made for the Tax Year. Said statement to be rendered to Tenant shall also show for the preceding Tax Year or fraction thereof as the case may be the amounts of real estate taxes already paid otherwise payable by Tenant as Additional Rent, and the amount of real estate taxes remaining due from, or overpaid by, Tenant for the year or other period covered by the statement. Within thirty (30) days after the date of delivery of the foregoing statement, Tenant shall pay to Landlord the balance of the amounts, if any, required to be paid pursuant to the above provisions of provided in this Section 2.7 with respect to the preceding Tax Year or fraction thereof, or Landlord shall credit any amounts due from it to Tenant pursuant to the provisions of this Section 2.7 against (x) monthly installments of fixed rent next thereafter coming due or (y) any sums then due from Tenant to Landlord under this Lease (or refund such portion of the over-payment as aforesaid if the Term has ended and Tenant has no further obligation to Landlord). In the event Landlord succeeds in obtaining a reduction of such real estate taxes, rates or assessments with respect to a real estate tax fiscal year as to which Tenant contributed Tenant's share of Landlord's Tax Expenses, then, Tenant Subsection 4.2.1 shall be entitled to receive its proportionate share of the net amount of any refund received or reduction obtained by Landlord to the extent allocable to the Term of this Lease. Tenant's entitlement to such refund amount shall survive the expiration of the Term. Landlord will, upon the written request of Tenant, who together with other tenants lease at least fifty (50%) of the Total Rentable Floor Area of the Complex, at Landlord's election either (i) apply for an abatement of real estate taxes or (ii) allow such tenants to apply for abatements in their own name, or in Landlord's name, at their own cost (subject to such tenants' right to recover such costs pro-rated on a first dollar daily basis from the abatement proceeds, if any). If such tenants apply for an abatement of real estate taxes, then Landlord shall have the right to be involved in each step of the abatement process, including, without limitation, Landlord's right to approve all filings in connection with such abatement proceedings (such approval not to be unreasonably withheld) and the right to attend all meetings between Tenant and its representatives and the representatives of the Town of Bedford. In addition, payments by Tenant based on account of Landlord's Tax Expenses Allocable to the Premises anticipated for the then current year shall be made monthly at the time and in the fashion herein provided for the payment of fixed rent. The amount so to be paid to Landlord shall be an amount reasonably estimated by Landlord to be sufficient to provide Landlord, in the aggregate, a sum equal to Landlord's Tax Expenses Allocable to the Premises, at least ten (10) days before the 360 day on which such payments by Landlord would become delinquent. To the extent that real estate taxes shall be payable to the taxing authority in installments with respect to periods less than a Tax Year, the foregoing statement shall be rendered and payments made on account of such installments. Terms used herein are defined as follows:.

Real Estate Taxes. For each Tax Year falling within the Term, (a) Tenant shall covenants to pay to Landlord, as Additional Rent, the Landlord's Tax Expenses Allocable to the Premises for such corresponding Tax Year, and for each fraction of a Tax Year falling within the Term at the beginning or end thereof, Tenant shall pay to Landlord, as Additional Rent, the product of (i) such Applicable fraction of a Tax Year and (ii) the Landlord's Tax Expenses Allocable to the Premises for the Tax Year in which said fraction occurs. Not later than ninety (90) days after Landlord's Tax Expenses Allocable to the Premises are determined for the first such Tax Year or fraction thereof and for each succeeding Tax Year or fraction thereof during the Term, Landlord shall render Tenant a statement in reasonable detail certified by a representative of Landlord showing for the preceding year or fraction thereof, as the case may be, real estate taxes on the Buildings and the Site and abatements and refunds of any taxes and assessments. Expenditures for legal fees and for other expenses incurred in seeking the fiscal tax refund or abatement may be charged against the tax refund or abatement before the adjustments are made for the Tax Year. Said statement to be rendered to Tenant shall also show for the preceding Tax Year or fraction thereof as the case may be the amounts of real estate taxes already paid by Tenant as Additional Rent, and the amount of real estate taxes remaining due from, or overpaid by, Tenant for the year or other period covered by the statement. Within thirty (30) days after the date of delivery of the foregoing statement, Tenant shall pay to Landlord the balance of the amounts, if any, required to be paid pursuant to the above provisions of this Section 2.7 with respect to the preceding Tax Year or fraction thereof, or Landlord shall credit any amounts due from it to Tenant pursuant to the provisions of this Section 2.7 against (x) monthly installments of fixed rent next thereafter coming due or (y) any sums then due from Tenant to Landlord under this Lease (or refund such portion of the over-payment as aforesaid if the Term has ended and Tenant has no further obligation to Landlord). In the event Landlord succeeds in obtaining a reduction of such real estate taxes, rates or assessments with respect to a real estate tax fiscal year as to which Tenant contributed Tenant's share of Landlord's Tax Expenses, then, Tenant shall be entitled to receive its proportionate share of the net amount of any refund received or reduction obtained by Landlord to the extent allocable to the Term of this Lease. Tenant's entitlement to such refund amount shall survive the expiration of the Term. Landlord will, upon the written request of Tenant, who together with other tenants lease at least fifty (50%) of the Total Rentable Floor Area of the Complex, at Landlord's election either (i) apply for an abatement of real estate taxes or (ii) allow such tenants to apply for abatements in their own name, or in Landlord's name, at their own cost (subject to such tenants' right to recover such costs on a first dollar basis from the abatement proceeds, if any). If such tenants apply for an abatement of real estate taxes, then Landlord shall have the right to be involved in each step of the abatement process, including, without limitation, Landlord's right to approve all filings in connection with such abatement proceedings (such approval not to be unreasonably withheld) and the right to attend all meetings between Tenant and its representatives and the representatives of the Town of BedfordBurlington (a “Tax Year”) partially or wholly included in the Term, Tenant’s Building Percentage Share of Taxes (the term “Taxes” is defined below). In additionCommencing as of the Rent Commencement Date, Tenant shall remit to Landlord, on the first day of each calendar month, estimated payments by Tenant on account of Landlord's Tax Expenses Allocable to the Premises anticipated for the then current year shall be made Taxes, such monthly at the time and in the fashion herein provided for the payment of fixed rent. The amount so to be paid to Landlord shall be an amount reasonably estimated by Landlord amounts to be sufficient to provide Landlord, in by the aggregatetime real estate tax payments are due and payable to any governmental authority responsible for collection of same, a sum equal to Landlord's Tax Expenses Allocable the Tenant’s Building Percentage Share of Taxes, as reasonably estimated by Landlord from time to time on the basis of the most recent tax data available (provided that Landlord shall not make further adjustment to the Premisesestimate for the year it is made). The initial calculation of the monthly estimated payments shall be based upon Landlord’s initial estimate of Tenant’s Building Percentage Share of Taxes for the Tax Year and upon quarterly payments being due to the governmental authority on August 1, November 1, February 1 and May 1, and shall be made when the Rent Commencement Date has been determined. If the total of such monthly remittances for any Tax Year is greater than the Tenant’s Percentage Share of Taxes for such Tax Year, Landlord shall promptly pay to Tenant, or credit against the next accruing Rent payments to be made by Tenant pursuant to this subsection 4.2.1, the difference; if the total of such remittances is less than the Tenant’s Percentage Share of Taxes for such Tax Year, Tenant shall pay the difference to Landlord at least ten (10) days before prior to the day on which date or dates within such payments by Landlord would Tax Year that any Taxes become delinquent. To the extent that real estate taxes shall be due and payable to the taxing governmental authority (but in installments any event within thirty (30) days following a written notice to Tenant, which notice shall set forth the manner of computation of Tenant’s Building Percentage Share of Taxes). Landlord shall provide Tenant with respect to periods less than a Tax Yearcopy of the tax xxxx most currently issued by the Town of Burlington for the Property, the foregoing statement shall be rendered and payments made on account of such installments. Terms used herein are defined as follows:upon request by Tenant.

Real Estate Taxes. For each Tax Year falling within the Term, Tenant shall pay pay, directly to Landlord, as Additional Rentthe authority charged with collection thereof, the Landlord's Tax Expenses Allocable full amount of all taxes levied or assessed after the Rent Commencement Date by the municipality or any governmental authority having jurisdiction of the Premises, for or in respect of the Premises or which may become a lien on the Premises, for each tax period wholly included in the Rent Period and, if exercised, the Extension Terms, all such payments to be made not less than five (5) days prior to the Premises last date on which the same may be paid without interest or penalty or fifteen (15) days after Xxxxxx’s receipt of the tax bill, whichever is later. Landlord shall promptly furnish Tenant with copies of all bills for taxes levied or assessed after the Rent Commencement Date, and, unless prohibited from doing so by any mortgagee of the Premises, shall request such corresponding Tax Year, and municipality or governmental authority to send all bills for each taxes directly to Tenant. With respect to any fraction of a Tax Year falling within tax period included in the Term Rent Period or, if exercised, the Extension Terms, at the beginning or end thereof, Tenant shall pay to Landlord, as Additional Rent, the product of within fifteen (i) such Applicable fraction of a Tax Year and (ii) the Landlord's Tax Expenses Allocable to the Premises for the Tax Year in which said fraction occurs. Not later than ninety (9015) days after Landlord's Tax Expenses Allocable receipt of a reasonably detailed invoice therefor, the fraction of taxes so levied or assessed or becoming payable which is allocable to such included period. Tenant shall promptly furnish Landlord with reasonable evidence of each such payment. If Tenant shall deem itself aggrieved by any such tax or charge and shall elect to contest the Premises are determined for the first such Tax Year payment thereof or fraction thereof and for each succeeding Tax Year or fraction thereof during the Term, Landlord shall render Tenant a statement in reasonable detail certified by a representative of Landlord showing for the preceding year or fraction seek abatement thereof, as the case Tenant may bemake such payment under protest. Either party paying any tax shall be entitled to recover, real estate taxes on the Buildings receive and the Site and retain for its own benefit all abatements and refunds of such tax, unless it has previously been reimbursed by the other party. Neither party shall discontinue any taxes abatement proceedings begun by it without first giving the other party written notice of its intent so to do and assessments. Expenditures for legal fees and for other expenses incurred in seeking the tax refund or abatement may be charged against the tax refund or abatement before the adjustments are made for the Tax Year. Said statement reasonable opportunity to be rendered substituted in such proceedings. Nothing contained in this Lease shall, however, require Tenant to Tenant shall also show for pay any franchise, corporate, income, estate, inheritance, succession, capital levy or transfer tax of Landlord, or any income, profits or revenue tax or charge upon the preceding Tax Year or fraction thereof as the case may be the amounts of real estate taxes already paid rent payable by Tenant as Additional Rent, and the amount of real estate taxes remaining due from, or overpaid by, Tenant for the year or other period covered by the statement. Within thirty (30) days after the date of delivery of the foregoing statement, Tenant shall pay to Landlord the balance of the amounts, if any, required to be paid pursuant to the above provisions of this Section 2.7 with respect to the preceding Tax Year or fraction thereof, or Landlord shall credit any amounts due from it to Tenant pursuant to the provisions of this Section 2.7 against (x) monthly installments of fixed rent next thereafter coming due or (y) any sums then due from Tenant to Landlord under this Lease (or refund such portion of the over-payment as aforesaid if the Term has ended and Tenant has no further obligation to Landlord). In the event Landlord succeeds Lease, unless said tax is in obtaining a reduction of such real estate taxes, rates or assessments with respect to a real estate tax fiscal year as to which Tenant contributed Tenant's share of Landlord's Tax Expenses, then, Tenant shall be entitled to receive its proportionate share of the net amount of any refund received or reduction obtained by Landlord to the extent allocable to the Term of this Lease. Tenant's entitlement to such refund amount shall survive the expiration of the Term. Landlord will, upon the written request of Tenant, who together with other tenants lease at least fifty (50%) of the Total Rentable Floor Area of the Complex, at Landlord's election either (i) apply for an abatement of real estate taxes or (ii) allow such tenants to apply for abatements in their own name, or in Landlord's name, at their own cost (subject to such tenants' right to recover such costs on a first dollar basis from the abatement proceeds, if any). If such tenants apply for an abatement lieu of real estate taxes, then Landlord shall have the right to be involved in each step of the abatement process, including, without limitation, Landlord's right to approve all filings in connection with such abatement proceedings (such approval not to be unreasonably withheld) and the right to attend all meetings between Tenant and its representatives and the representatives of the Town of Bedford. In addition, payments by Tenant on account of Landlord's Tax Expenses Allocable to the Premises anticipated for the then current year shall be made monthly at the time and in the fashion herein provided for the payment of fixed rent. The amount so to be paid to Landlord shall be an amount reasonably estimated by Landlord to be sufficient to provide Landlord, in the aggregate, a sum equal to Landlord's Tax Expenses Allocable to the Premises, at least ten (10) days before the day on which such payments by Landlord would become delinquent. To the extent that real estate taxes shall be payable to the taxing authority in installments with respect to periods less than a Tax Year, the foregoing statement shall be rendered and payments made on account of such installments. Terms used herein are defined as follows:.

Real Estate Taxes. For each Tax Year falling within Landlord agrees to pay all general and special taxes, assessments and governmental charges of any kind and nature whatsoever (hereinafter collectively referred to as “Taxes”) lawfully levied against the TermBuilding, the real property on which it is situated and the grounds, parking areas, driveways and alleys around the Building. Tenant shall pay to LandlordLandlord as additional rent upon demand at the time the bxxx for each installment for any tax year applicable to the Term (or any renewal or extension thereof) issues, Tenant’s Proportionate Share, as Additional Rent, the Landlord's Tax Expenses Allocable to the Premises for such corresponding Tax Year, and for each fraction of a Tax Year falling within the Term at the beginning or end thereof, Tenant shall pay to Landlord, as Additional Rent, the product of (i) such Applicable fraction of a Tax Year and (ii) the Landlord's Tax Expenses Allocable to the Premises for the Tax Year in which said fraction occurs. Not later than ninety (90) days after Landlord's Tax Expenses Allocable to the Premises are determined for the first such Tax Year or fraction thereof and for each succeeding Tax Year or fraction thereof during the Term, Landlord shall render Tenant a statement in reasonable detail certified by a representative of Landlord showing for the preceding year or fraction thereof, as the case may be, real estate taxes set forth on the Buildings and Reference Page, of the Site and abatements and refunds amount of such taxes applicable to each installment less any taxes and assessments. Expenditures for legal fees and for other expenses incurred in seeking the tax refund or abatement may be charged against the tax refund or abatement before the adjustments are made for the Tax Year. Said statement to be rendered to Tenant shall also show for the preceding Tax Year or fraction thereof as the case may be the amounts of real estate taxes already monthly payments paid by Tenant as Additional Rentprovided below for such tax year. Prior to the actual determination of the Taxes for a calendar year, Landlord may, if it so elects and at any time or from time to time during said calendar year, estimate the amount of real estate taxes remaining due fromsuch Taxes. If, or overpaid byin the estimation of Landlord, such Taxes will exceed the previous year’s Taxes, Landlord shall give Tenant written notification of the amount of such estimated excess and Tenant agrees that it will increase its Monthly Installment of Rent subsequent to receipt of such written notification to include such excess. If the total Tenant actually paid for estimated Taxes pursuant to this Section is more than the year or other period covered by actual Tax, Landlord shall remit the statement. Within excess to Tenant within thirty (30) days after the date of delivery of the foregoing statementmaking of such determination or, at Landlord's election, credit such amount against the next Monthly Installments of Rent. In addition, Tenant shall pay to upon demand Tenant’s Proportionate Share of any reasonable fees, expenses and costs incurred by Landlord in protesting any assessments, levies or the balance tax rate. Taxes shall include the following by way of the amountsillustration, if anybut not limitation: Real estate taxes; any other such taxes, required to be paid pursuant to the above provisions of this Section 2.7 charges and assessments which are levied with respect to the preceding Tax Year Building, and any improvements, fixtures and equipment and all other property of Landlord, real or fraction thereofpersonal, located in the Building and used in connection with the operation of the Building and the land upon which they are situated including any payments to any ground lessor in reimbursement of tax payments made by such lessor; fees or Landlord shall credit assessments for any amounts due from it to Tenant pursuant governmental services to the provisions Building; service payments in lieu of this Section 2.7 against (x) monthly installments of fixed rent next thereafter coming taxes; dues or assessments payable to any property owners association due or (y) any sums then due from Tenant to Landlord under this Lease (or refund such portion Landlord’s ownership of the over-payment as aforesaid if the Term has ended Building; water and Tenant has no further obligation sewer charges; and any gross receipts tax and/or any tax which shall be levied in addition to or in lieu of real estate, possessory interest or personal property taxes. Tenant, after prior written notice to Landlord). In the event Landlord succeeds in obtaining a reduction of such real estate taxes, rates or assessments with respect to a real estate tax fiscal year as to which Tenant contributed and at Tenant's share of Landlord's Tax Expenses’s sole cost and expense, then, Tenant shall be entitled to receive its proportionate share of the net amount of any refund received or reduction obtained by Landlord to the extent allocable to the Term of this Lease. Tenant's entitlement to such refund amount shall survive the expiration of the Term. Landlord will, upon the written request of Tenant, who together with other tenants lease at least fifty (50%) of the Total Rentable Floor Area of the Complex, at Landlord's election either (i) apply for an abatement of real estate taxes or (ii) allow such tenants to apply for abatements in their own name, or in Landlord's name, at their own cost (subject to such tenants' right to recover such costs on a first dollar basis from the abatement proceeds, if any). If such tenants apply for an abatement of real estate taxes, then Landlord shall have the right to be involved in each step dispute by appeal any assessment of the abatement processaforementioned taxes. The Landlord may require that the Tenant deposit with Landlord a sum sufficient to pay the entire amount of any tax, includingcharge, without limitationassessment or levy so disputed, Landlord's right to approve plus potential interest and penalties. Tenant shall promptly pay and discharge all filings in connection with such abatement proceedings (such approval not amounts determined to be unreasonably withheld) and the right payable pursuant to attend all meetings between Tenant and its representatives and the representatives of the Town of Bedford. In addition, payments by Tenant on account of Landlord's Tax Expenses Allocable such legal proceedings pertaining to the Premises anticipated for appeal. Landlord agrees to join in any such proceedings only if such joinder is necessary to the then current year prosecution thereof. The costs of such joinder shall be made monthly at the time and in the fashion herein provided for the payment of fixed rent. The amount so to be paid to Landlord shall be an amount reasonably estimated by Landlord to be sufficient to provide Landlord, in the aggregate, a sum equal to Landlord's Tax Expenses Allocable to the Premises, at least ten (10) days before the day on which such payments by Landlord would become delinquent. To the extent that real estate taxes shall be payable to the taxing authority in installments with respect to periods less than a Tax Year, the foregoing statement shall be rendered and payments made on account of such installments. Terms used herein are defined as follows:Tenant.

Real Estate Taxes. (a) For each the purposes of paragraph 7.2: "Real Estate Taxes" shall mean the total annual real estate taxes, special and extraordinary assessments and governmental levies against the Real Property of which the Premises are a part. "Base Tax Year falling within Rate" shall mean the Term, Tenant shall pay to Landlordassessed valuation of the Real Property, as Additional Rent, the Landlord's Tax Expenses Allocable to the Premises for such corresponding Tax Year, finally determined following completion of construction and for each fraction issuance of a Tax Year falling within final certificate of occupancy therefor tor such equivalent certification if a certificate of occupancy is not used), multiplied by the Term at the beginning or end thereof, Tenant shall pay to Landlord, as Additional Rent, the product of (i) such Applicable fraction of a Tax Year and (ii) the Landlord's Tax Expenses Allocable to the Premises tax rate for the Tax Year 1988 ("Base Year"). "Tax Year" shall mean the fiscal year for which taxes are levied by the Governmental Authority. "Operational Year" shall mean each calendar year during the Term after the Base Year. "Tenant's Proportionate Share of Increase" shall mean Tenant's Proportionate Share multiplied by the increase in which said fraction occurs. Not later than ninety (90) days after Landlord's Tax Expenses Allocable to the Premises are determined Taxes for the first such Operational Year over the Base Tax Rate. "Tenant's Projected Share of Increase" shall mean Tenant's Proportionate Share of Increase for the prior Operational Year or fraction thereof divided by twelve (12) and for each succeeding Tax payable monthly by Tenant to Landlord as Additional Rent. (b) After the expiration of the Base Year or fraction thereof during the Termand any Operational Year, Landlord shall render furnish Tenant a written statement in reasonable detail certified by a representative of Landlord showing the Taxes incurred for the preceding year or fraction thereof, as the case may be, real estate taxes on the Buildings and the Site and abatements and refunds of any taxes and assessments. Expenditures for legal fees and for other expenses incurred in seeking the tax refund or abatement may be charged against the tax refund or abatement before the adjustments are made for the Tax Year. Said statement to be rendered to Tenant shall also show for the preceding Tax such Base Year or fraction thereof as the case may be the amounts of real estate taxes already paid by Tenant as Additional RentOperational Year, and the amount of real estate taxes remaining due from, or overpaid by, Tenant for the year or other period covered by the statementincluding any partial year. Within thirty (30) days after receipt of such statement for any Operational Year setting forth Tenant's Proportionate Share of Increase, Tenant shall pay same to Landlord as Additional Rent, subject to the date provisions of delivery paragraph 7.2(c) hereof. (c) Commencing with the first Operational Year after Landlord shall be entitled to receive Tenant's Proportionate Share of the foregoing statementIncrease, Tenant shall pay to Landlord as Additional Rent for the balance then Operational Year, Tenant's Projected Share of Increase. If the statement furnished by Landlord to Tenant pursuant to Paragraph 7.2(b) at the end of the amountsthen Operational Year shall indicate that Tenant's Projected Share of Increase exceeded Tenant's Proportionate Share of Increase, if any, required to be paid pursuant to the above provisions of this Section 2.7 with respect to the preceding Tax Year or fraction thereof, or Landlord shall credit any amounts the amount of such excess against Additional Rent next due from it to Tenant Landlord pursuant to the provisions of this Section 2.7 against (x) monthly installments of fixed rent next thereafter coming due or (y) any sums then due from Lease. If such statement furnished by Landlord to Tenant to Landlord under this Lease (or refund such portion of hereunder shall indicate that the over-payment as aforesaid if the Term has ended and Tenant has no further obligation to Landlord). In the event Landlord succeeds in obtaining a reduction of such real estate taxes, rates or assessments with respect to a real estate tax fiscal year as to which Tenant contributed Tenant's share Proportionate Share of LandlordIncrease exceeded Tenant's Tax Expenses, thenProjected Share of Increase for the then Operational Year, Tenant shall be entitled forthwith pay the amount of such excess to receive its proportionate share Landlord. (d) Landlord may take the benefit of the net amount provisions of any refund received statute or reduction obtained by Landlord to the extent allocable to the Term of this Lease. Tenant's entitlement to such refund amount shall survive the expiration of the Term. Landlord will, upon the written request of Tenant, who together with other tenants lease at least fifty (50%) of the Total Rentable Floor Area of the Complex, at Landlord's election either (i) apply for an abatement of real estate taxes or (ii) allow such tenants to apply for abatements in their own name, or in Landlord's name, at their own cost (subject to such tenants' right to recover such costs on a first dollar basis from the abatement proceeds, if any). If such tenants apply for an abatement of real estate taxes, then Landlord shall have the right to be involved in each step of the abatement process, including, without limitation, Landlord's right to approve all filings in connection with such abatement proceedings (such approval not to be unreasonably withheld) and the right to attend all meetings between Tenant and its representatives and the representatives of the Town of Bedford. In addition, payments by Tenant on account of Landlord's Tax Expenses Allocable to the Premises anticipated for the then current year shall be made monthly at the time and in the fashion herein provided for the payment of fixed rent. The amount so to be paid to Landlord shall be an amount reasonably estimated by Landlord to be sufficient to provide Landlord, in the aggregate, a sum equal to Landlord's Tax Expenses Allocable to the Premises, at least ten (10) days before the day on which such payments by Landlord would become delinquent. To the extent that real estate taxes shall be payable to the taxing authority in installments with respect to periods less than a Tax Year, the foregoing statement shall be rendered and payments made on account of such installments. Terms used herein are defined as follows:ordinance permitting any Taxes

Real Estate Taxes. For each If with respect to any full Tax Year or fraction of a Tax Year falling within the Term, Landlord’s Tax Expenses Allocable to the Premises as hereinafter defined for a full Tax Year exceed Base Taxes Allocable to the Premises, or for any such fraction of a Tax Year exceed the corresponding fraction of Base Taxes Allocable to the Premises then, on or before the thirtieth (30th) day following receipt by Tenant of the certified statement referred to below in this Section 2.7, then Tenant shall pay to Landlord, as Additional Rent, the Landlord's amount of such excess (“Tenant’s Tax Expenses Allocable to the Premises for such corresponding Tax Year, and for each fraction of a Tax Year falling within the Term at the beginning or end thereof, Tenant shall pay to Landlord, as Additional Rent, the product of (i) such Applicable fraction of a Tax Year and (ii) the Landlord's Tax Expenses Allocable to the Premises for the Tax Year in which said fraction occursPayment”). Not later than ninety (90) days after Landlord's ’s Tax Expenses Allocable to the Premises are determined for the first such Tax Year or fraction thereof and for each succeeding Tax Year or fraction thereof during the Term, Landlord shall render Tenant a statement in reasonable detail certified by a representative of Landlord showing for the preceding year or fraction thereof, as the case may be, real estate taxes Real Estate Taxes (as hereinafter defined) on the Buildings Building and the Site and abatements and refunds of any taxes and assessments. Expenditures Reasonable expenditures for legal fees and for other expenses reasonably incurred in seeking the tax refund or abatement may be charged against the tax refund or abatement before the adjustments are made for the Tax YearYear to the extent such costs were not already included in the calculation of Real Estate Taxes. Said statement to be rendered to Tenant shall also show for the preceding Tax Year or fraction thereof as the case may be the amounts of real estate taxes Tenant’s Tax Payment already paid by Tenant as Additional Rent, and the amount of real estate taxes Tenant’s Tax Payment remaining due from, or overpaid by, Tenant for the year or other period covered by the statement. Within thirty (30) days after the date of delivery of the foregoing statement, Tenant shall pay to Landlord the balance of the amounts, if any, required to be paid pursuant to the above provisions of this Section 2.7 with respect to the preceding Tax Year or fraction thereof, or Landlord shall credit any amounts due from it to Tenant pursuant to the provisions of this Section 2.7 against (xi) monthly installments of fixed rent next thereafter coming due or (yii) any sums then due from Tenant to Landlord under this Lease (or refund such portion of the over-payment as aforesaid if the Term has ended and Tenant has no further obligation to Landlord). In the event Landlord succeeds in obtaining a reduction of such real estate taxes, rates or assessments with respect to a real estate tax fiscal year as to which Tenant contributed Tenant's share of Landlord's Tax Expenses, then, Tenant shall be entitled to receive its proportionate share of the net amount of any refund received or reduction obtained by Landlord to the extent allocable to the Term of this Lease. Tenant's entitlement to such refund amount shall survive the expiration of the Term. Landlord will, upon the written request of Tenant, who together with other tenants lease at least fifty (50%) of the Total Rentable Floor Area of the Complex, at Landlord's election either (i) apply for an abatement of real estate taxes or (ii) allow such tenants to apply for abatements in their own name, or in Landlord's name, at their own cost (subject to such tenants' right to recover such costs on a first dollar basis from the abatement proceeds, if any). If such tenants apply for an abatement of real estate taxes, then Landlord shall have the right to be involved in each step of the abatement process, including, without limitation, Landlord's right to approve all filings in connection with such abatement proceedings (such approval not to be unreasonably withheld) and the right to attend all meetings between Tenant and its representatives and the representatives of the Town of Bedford. In addition, payments by Tenant on account of Landlord's Tenant’s Tax Expenses Allocable to the Premises Payment anticipated for the then current year shall be made monthly at the time and in the fashion herein provided for the payment of fixed rentAnnual Fixed Rent, provided, however, in no event will Tenant have any obligation to make any payment of Tenant’s Tax Payment prior to July 1, 2010. The amount so to be paid to Landlord shall be an amount reasonably estimated by Landlord to be sufficient to provide Landlord, in the aggregate, a sum equal to Landlord's Tenant’s Tax Expenses Allocable to the PremisesPayment, at least ten (10) days days, but not more than thirty (30) days, before the day on which such payments by Landlord would become delinquent. In no event shall Landlord be entitled to retain more than one hundred percent (100%) of the Landlord’s Tax Expenses (as defined below) actually paid or incurred by Landlord in any particular fiscal tax year. To the extent that real estate taxes Real Estate Taxes shall be payable to the taxing authority in installments with respect to periods less than a Tax Year, the foregoing statement shall be rendered and payments made on account of such installments. Terms used herein are defined as follows:

Real Estate Taxes. For each If with respect to any full Tax Year or fraction of a Tax Year falling within the Term, Landlord’s Tax Expenses Allocable to the Premises as hereinafter defined for a full Tax Year exceed Base Taxes Allocable to the Premises, or for any such fraction of a Tax Year exceed the corresponding fraction of Base Taxes Allocable to the Premises then, on or before the thirtieth (30th) day following receipt by Tenant of the certified statement referred to below in this Section 2.9, Tenant shall pay to Landlord, as Additional Rent, the Landlord's Tax Expenses Allocable to the Premises for amount of such corresponding Tax Year, and for each fraction of a Tax Year falling within the Term excess. Such payments shall be made at the beginning or end thereof, Tenant shall pay to Landlord, as Additional Rent, times and in the product of (i) such Applicable fraction of a Tax Year and (ii) the Landlord's Tax Expenses Allocable to the Premises for the Tax Year manner hereafter provided in which said fraction occursthis Section 2.9. Not later than ninety one hundred twenty (90120) days after Landlord's ’s Tax Expenses Allocable to the Premises are determined for the first such Tax Year or fraction thereof and for each succeeding Tax Year or fraction thereof during the Term, Landlord shall render Tenant a statement in reasonable detail certified by a representative of Landlord showing for the preceding year or fraction thereof, as the case may be, real estate taxes on the Buildings Building and the Site and abatements and refunds of any taxes and assessments. Expenditures for reasonable legal fees and for other reasonable expenses incurred in seeking the tax refund or abatement may be charged against the tax refund or abatement before the adjustments are made for the Tax Year. Only Landlord shall have the right to institute tax reduction or other proceedings to reduce real estate taxes or the valuation of the Building and the Site. Said statement to be rendered to Tenant shall also show for the preceding Tax Year or fraction thereof as the case may be the amounts of real estate taxes already paid by Tenant as Additional Rent, and the amount of real estate taxes remaining due from, or overpaid by, Tenant for the year or other period covered by the statement. Within thirty (30) days after the date of delivery of the foregoing statement, Tenant shall pay to Landlord the balance of the amounts, if any, required to be paid pursuant to the above provisions of this Section 2.7 2.9 with respect to the preceding Tax Year or fraction thereof, or Landlord shall credit any amounts due from it to Tenant pursuant to the provisions of this Section 2.7 2.9 against (xi) monthly installments of fixed rent Fixed Rent next thereafter coming due or (yii) any sums then due from Tenant to Landlord under this Lease (or refund such portion of the over-payment as aforesaid if the Term has ended and Tenant has no further obligation material outstanding obligations to Landlord). In the event Landlord succeeds in obtaining a reduction of such real estate taxes, rates or assessments with respect to a real estate tax fiscal year as to which Tenant contributed Tenant's share of Landlord's Tax Expenses, then, Tenant shall be entitled to receive its proportionate share of the net amount of any refund received or reduction obtained by Landlord to the extent allocable to the Term of under this Lease. Tenant's entitlement to such refund amount shall survive the expiration of the Term. Landlord will, upon the written request of Tenant, who together with other tenants lease at least fifty (50%) of the Total Rentable Floor Area of the Complex, at Landlord's election either (i) apply for an abatement of real estate taxes or (ii) allow such tenants to apply for abatements in their own name, or in Landlord's name, at their own cost (subject to such tenants' right to recover such costs on a first dollar basis from the abatement proceeds, if any). If such tenants apply for an abatement of real estate taxes, then Landlord shall have the right to be involved in each step of the abatement process, including, without limitation, Landlord's right to approve all filings in connection with such abatement proceedings (such approval not to be unreasonably withheld) and the right to attend all meetings between Tenant and its representatives and the representatives of the Town of Bedford. In addition, payments by Tenant on account of Landlord's Tax Expenses Allocable to the Premises Tenant’s annual estimated share on account of increases in real estate taxes reasonably anticipated by Landlord for the then current year shall be made monthly in equal installments at the time and in the fashion herein provided for the payment of fixed rentFixed Rent. The amount so to be paid to Landlord shall be an amount reasonably estimated by Landlord to be sufficient to provide Landlord, in the aggregate, a sum equal to Landlord's Tax Expenses Allocable to the PremisesTenant’s share of such increases, at least ten (10) days before the day on which such payments by Landlord would become delinquent. To the extent that real estate taxes shall be payable to the taxing authority in installments with respect to periods less than a Tax Year, the foregoing statement shall be rendered and payments made on account of such installments. Terms used herein are defined as follows:

Real Estate Taxes. For each Tax Year falling within the Term, Tenant shall pay to Landlord, as Additional Rent, the Landlord's Tax Expenses Allocable to the Premises for such corresponding Tax Year, and for each fraction of a Tax Year falling within the Term at the beginning or end thereof, Tenant shall pay to Landlord, as Additional Rent, the product of (i) such Applicable fraction of a Tax Year and (ii) the Landlord's Tax Expenses Allocable to the Premises for the Tax Year in which said fraction occurs. Not later than ninety (90) days after Landlord's Tax Expenses Allocable to the Premises are determined for the first such Tax Year or fraction thereof and for each succeeding Tax Year or fraction thereof during the Term, Landlord shall render Tenant a statement in reasonable detail certified by a representative of Landlord showing for the preceding year or fraction thereof, as the case may be, All real estate taxes on and assessments affecting the Buildings Property (collectively, "Tax") becoming due and payable in the Site year in which the Closing occurs shall be prorated between Buyer and abatements and refunds Seller to the Closing Date. As of any taxes and assessments. Expenditures for legal fees and for other expenses incurred in seeking the tax refund or abatement may be charged against the tax refund or abatement before the adjustments are made for Closing Date, if the Tax Year. Said statement to be rendered to Tenant shall also show for the preceding Tax Year or fraction thereof as the case may be the amounts of real estate taxes already paid by Tenant as Additional Rent, and the amount of real estate taxes remaining due from, or overpaid by, Tenant bxxx is not available for the year or other period covered of Closing, the proration of Tax shall be based upon the most recently issued Tax bxxx. Promptly after the new Tax bxxx is issued, the Tax shall be reprorated pursuant to Section 4.2.10 below, and any discrepancy resulting from such reproration and any errors shall be promptly corrected by the statementparties. Within thirty (30) days Notwithstanding the foregoing, if Tenants pay Tax directly to the taxing authority, the portion of the Tax paid directly by the Tenant to the taxing authority shall not be prorated. Buyer shall pay all Tax due and payable after Closing and reconciliations with Tenants shall be the responsibility of Buyer post-Closing pursuant to Section 4.2.10 below. In no event shall Seller be charged with or be responsible for any increase in the Tax on the Property resulting from the sale of the Property or from any improvements made or leases entered into on or after the date Closing Date. If any portion of delivery of any assessments against the foregoing statement, Tenant shall pay to Landlord the balance of the amounts, if any, required to be Property other than Tax that are and have been paid pursuant to the above provisions of this Section 2.7 by Seller with respect to the preceding Tax Year Property at or fraction thereof, or Landlord shall credit any amounts due from it to Tenant pursuant prior to the provisions Closing, determined on a cash (rather than accrual) basis relate to any time including or after the Closing Date, Buyer shall pay to Seller at the Closing the amount of this Section 2.7 against (x) monthly installments such other assessments paid prorated for the number of fixed rent next thereafter coming due or (y) any sums then due from Tenant to Landlord under this Lease (or refund such portion days, from, including and after the Closing. Any appeal of the over-payment as aforesaid if the Term has ended and Tenant has no further obligation to Landlord). In the event Landlord succeeds in obtaining a reduction of such real estate taxes, rates or assessments with respect to a real estate tax fiscal Tax for calendar year as to which Tenant contributed Tenant's share of Landlord's Tax Expenses, then, Tenant 2014 shall be entitled to receive its proportionate share of the net amount of any refund received or reduction obtained by Landlord to the extent allocable to the Term of this Leasein Buyer's sole discretion and at Buyer's sole cost following Closing. Tenant's entitlement to such refund amount shall survive the expiration of the Term. Landlord will, upon the written request of Tenant, who together with other tenants lease at least fifty (50%) of the Total Rentable Floor Area of the ComplexSeller hereby agrees, at Landlord's election either (i) apply for an abatement of real estate taxes or (ii) allow such tenants no cost to apply for abatements in their own nameSeller, or in Landlord's name, at their own cost (subject to such tenants' right to recover such costs on a first dollar basis from the abatement proceeds, if any). If such tenants apply for an abatement of real estate taxes, then Landlord shall have the right to be involved in each step of the abatement process, including, without limitation, Landlord's right to approve all filings cooperate reasonably with Buyer in connection with such abatement proceedings (such approval not to be unreasonably withheld) and the right to attend all meetings between Tenant and its representatives and the representatives any appeal of the Town of Bedford. In addition, payments by Tenant on account of Landlord's Tax Expenses Allocable to the Premises anticipated for the then current calendar year shall be made monthly at the time and in the fashion herein provided for the payment of fixed rent. The amount so to be paid to Landlord shall be an amount reasonably estimated by Landlord to be sufficient to provide Landlord, in the aggregate, a sum equal to Landlord's Tax Expenses Allocable to the Premises, at least ten (10) days before the day on which such payments by Landlord would become delinquent. To the extent that real estate taxes shall be payable to the taxing authority in installments with respect to periods less than a Tax Year, the foregoing statement shall be rendered and payments made on account of such installments. Terms used herein are defined as follows:2014.

Real Estate Taxes. For In addition to Annual Fixed Rent under Section 4.1 and Operating Cost under Section 4.2.2, as additional rent, Tenant shall pay all Taxes as hereinafter defined in this Section 4.2.1 (the "Real Estate Taxes"). Each year during the term of this Lease (a "Tax Year"), the Landlord shall make and provide a good faith estimate of the Taxes for the upcoming calendar year (the "Estimated Taxes"). Any amounts paid based on such an estimate shall be subject to adjustment as hereinafter provided within one hundred fifty (150) calendar days of the conclusion of each Tax Year falling within calendar year of the Term, or as soon thereafter as possible. Except as otherwise provided in this Section 4.2.1, Tenant shall pay the Real Estate Taxes to Landlord at least thirty (30) days prior to the date or dates within any year during the term hereof that the same, or any fractional share thereof, shall be due and payable to any governmental authority responsible for collection of same (as stated in a notice to Tenant given at least forty-five (45) days prior to the date or dates any such payment shall be due, which notice shall set forth the manner of computation of any Real Estate Tax). Tenant shall pay to Landlord, as Additional Rent on the first day of each calendar month during the term but otherwise in the manner provided for the payment of Annual Fixed Rent, estimated payments on account of the Landlord's Real Estate Taxes, such monthly amounts to be sufficient to provide Landlord by the time Tax Expenses Allocable payments are due or are to be made by Landlord a sum equal to the Premises Real Estate Taxes, as reasonably estimated by Landlord from time to time on account of Taxes for the then current Tax Year. If the total of such monthly remittances for any Tax Year is greater than the Real Estate Taxes for such corresponding Tax Year, and for each fraction of a Tax Year falling within the Term at the beginning or end thereof, Tenant shall pay to Landlord, as Additional Rent, the product of (i) such Applicable fraction of a Tax Year and (ii) the Landlord's Tax Expenses Allocable to the Premises for the Tax Year in which said fraction occurs. Not later than ninety (90) days after Landlord's Tax Expenses Allocable to the Premises are determined for the first such Tax Year or fraction thereof and for each succeeding Tax Year or fraction thereof during the Term, Landlord shall render Tenant a statement in reasonable detail certified by a representative of Landlord showing for the preceding year or fraction thereof, as the case may be, real estate taxes on the Buildings and the Site and abatements and refunds of any taxes and assessments. Expenditures for legal fees and for other expenses incurred in seeking the tax refund or abatement may be charged against the tax refund or abatement before the adjustments are made for the Tax Year. Said statement to be rendered to Tenant shall also show for the preceding Tax Year or fraction thereof as the case may be the amounts of real estate taxes already paid by Tenant as Additional Rent, and the amount of real estate taxes remaining due from, or overpaid by, Tenant for the year or other period covered by the statement. Within thirty (30) days after the date of delivery of the foregoing statement, Tenant shall pay to Landlord the balance of the amounts, if any, required to be paid pursuant to the above provisions of this Section 2.7 with respect to the preceding Tax Year or fraction thereof, or Landlord shall credit any amounts due from it to Tenant pursuant to such overpayment against Tenant's subsequent obligations on account of Taxes (or promptly refund such overpayment if the provisions term of this Section 2.7 against (x) monthly installments of fixed rent next thereafter coming due or (y) any sums then due from Tenant to Landlord under this Lease (or refund such portion of the over-payment as aforesaid if the Term has ended and Tenant has no further obligation obligations to Landlord). In ; if the event Landlord succeeds in obtaining a reduction total of such real estate taxes, rates or assessments with respect to a real estate tax fiscal year as to which Tenant contributed Tenant's share of Landlord's remittances is less than the Real Estate Taxes for such Tax Expenses, thenYear, Tenant shall pay the difference to Landlord within thirty (30) days after being so notified by Landlord. If, after Tenant shall have made all payments due to Landlord pursuant to this subsection 4.2.1, Landlord shall receive a refund of any portion of Taxes as a result of an abatement of such Taxes by legal proceedings, settlement or otherwise (without either party having any obligation to undertake any such proceedings), Landlord shall pay or credit to Tenant the percentage of the refund (after first deducting any reasonable expenses, including attorneys', consultants' and appraisers' fees, incurred in connection with obtaining any such refund) which equals the percentage of the applicable Tax Year included in the term hereof, provided however, in no event shall Tenant be entitled to receive its proportionate share more than the sum of the net amount of any refund received or reduction obtained by Landlord to the extent allocable to the Term of this Lease. Tenant's entitlement to such refund amount shall survive the expiration of the Term. Landlord will, upon the written request of Tenant, who together with other tenants lease at least fifty (50%) of the Total Rentable Floor Area of the Complex, at Landlord's election either (i) apply for an abatement of real estate taxes or (ii) allow such tenants to apply for abatements in their own name, or in Landlord's name, at their own cost (subject to such tenants' right to recover such costs on a first dollar basis from the abatement proceeds, if any). If such tenants apply for an abatement of real estate taxes, then Landlord shall have the right to be involved in each step of the abatement process, including, without limitation, Landlord's right to approve all filings in connection with such abatement proceedings (such approval not to be unreasonably withheld) and the right to attend all meetings between Tenant and its representatives and the representatives of the Town of Bedford. In addition, payments actually made by Tenant on account of Landlord's Taxes with respect to such Tax Expenses Allocable to Year. In the Premises anticipated for event that the then current year term of this Lease shall expire or be made monthly at terminated during any Tax Year, or should the time and in the fashion herein provided for the payment Tax Year or period of fixed rent. The amount so to be paid to Landlord shall be an amount reasonably estimated by Landlord to be sufficient to provide Landlord, in the aggregate, a sum equal to Landlord's Tax Expenses Allocable to the Premises, at least ten (10) days before the day on which such payments by Landlord would become delinquent. To the extent that assessment of real estate taxes be changed or be more or less than one (1) year, then the amount of Real Estate Taxes which may be otherwise payable by Tenant as provided in this subsection 4.2.1 shall be payable to the taxing authority in installments with respect to periods less than pro-rated on a daily basis based on a 360 day Tax Year, the foregoing statement shall be rendered and payments made on account of such installments. Terms used herein are defined as follows:.

Real Estate Taxes. For each Tax Year falling within the Term, Tenant shall pay to Landlord, as Additional Rentadditional rent, for each tax period partially or wholly included in the term, Tenant's Percentage of Taxes (as hereinafter defined). Tenant shall remit to Landlord's Tax Expenses Allocable , on the first day of each calendar month, estimated payments on account of Taxes, such monthly amounts to be sufficient to provide Landlord, by the time real estate tax payments are due and payable to any governmental authority responsible for collection of same, a sum equal to the Premises Tenant's Percentage of Taxes, as reasonably estimated by Landlord from time to time on the basis of the most recent tax data available. The initial calculation of the monthly estimated payments shall be based upon the Initial Estimate of Xxxxxx's Percentage of Taxes for the Tax Year and upon quarterly payments being due to the governmental authority on August 1, November 1, February 1 and May 1, and shall be made when the Commencement Date has been determined. If the total of such monthly remittances for any Tax Year is greater than the Tenant's Percentage of Taxes for such corresponding Tax Year, and Landlord shall promptly pay to Tenant, or credit against the next accruing payments to be made by Tenant pursuant to this subsection 4.2.1, the difference; if the total of such remittances is less than the Tenant's Percentage of Taxes for each fraction of a such Tax Year falling within the Term at the beginning or end thereofYear, Tenant shall pay the difference to LandlordLandlord at least ten (10) days prior to the date or dates within such Tax Year that any Taxes become due and payable to the governmental authority (but in any event no earlier than ten (10) days following a written notice to Tenant, which notice shall set forth the manner of computation of Xxxxxx's Percentage of Taxes). If, after Xxxxxx shall have made reimbursement to Landlord pursuant to this subsection 4.2.1, Landlord shall receive a refund of any portion of Taxes paid by Tenant with respect to any Tax Year during the term hereof as a result of an abatement of such Taxes by legal proceedings, settlement or otherwise (without either party having any obligation to undertake any such proceedings), Landlord shall promptly pay to Tenant, or credit against the next accruing payments to be made by Tenant pursuant to this subsection 4.2.1, the Tenant's Percentage of the refund (less the proportional, pro rata expenses, including reasonable attorneys' fees and reasonable appraisers' fees, incurred in connection with obtaining any such refund), as Additional Rent, the product of (i) such Applicable fraction of a relates to Taxes paid by Tenant to Landlord with respect to any Tax Year and for which such refund is obtained. In the event this Lease shall commence, or shall end (ii) by reason of expiration of the Landlord's Tax Expenses Allocable term or earlier termination pursuant to the Premises for provisions hereof), on any date other than the first or last day of the Tax Year, or should the Tax Year in which said fraction occurs. Not later or period of assessment of real estate taxes be changed or be more or less than ninety one (901) days after Landlord's Tax Expenses Allocable to the Premises are determined for the first such Tax Year or fraction thereof and for each succeeding Tax Year or fraction thereof during the Term, Landlord shall render Tenant a statement in reasonable detail certified by a representative of Landlord showing for the preceding year or fraction thereofyear, as the case may be, real estate taxes on then the Buildings and the Site and abatements and refunds amount of any taxes and assessments. Expenditures for legal fees and for other expenses incurred in seeking the tax refund or abatement Taxes which may be charged against the tax refund or abatement before the adjustments are made for the Tax Year. Said statement to be rendered to Tenant shall also show for the preceding Tax Year or fraction thereof as the case may be the amounts of real estate taxes already paid payable by Tenant as Additional Rent, and the amount of real estate taxes remaining due from, or overpaid by, Tenant for the year or other period covered by the statement. Within thirty (30) days after the date of delivery of the foregoing statement, Tenant shall pay to Landlord the balance of the amounts, if any, required to be paid pursuant to the above provisions of provided in this Section 2.7 with respect to the preceding Tax Year or fraction thereof, or Landlord shall credit any amounts due from it to Tenant pursuant to the provisions of this Section 2.7 against (x) monthly installments of fixed rent next thereafter coming due or (y) any sums then due from Tenant to Landlord under this Lease (or refund such portion of the over-payment as aforesaid if the Term has ended and Tenant has no further obligation to Landlord). In the event Landlord succeeds in obtaining a reduction of such real estate taxes, rates or assessments with respect to a real estate tax fiscal year as to which Tenant contributed Tenant's share of Landlord's Tax Expenses, then, Tenant subsection 4.2.1 shall be entitled to receive its proportionate share of the net amount of any refund received or reduction obtained by Landlord to the extent allocable to the Term of this Lease. Tenant's entitlement to such refund amount shall survive the expiration of the Term. Landlord will, upon the written request of Tenant, who together with other tenants lease at least fifty (50%) of the Total Rentable Floor Area of the Complex, at Landlord's election either (i) apply for an abatement of real estate taxes or (ii) allow such tenants to apply for abatements in their own name, or in Landlord's name, at their own cost (subject to such tenants' right to recover such costs on a first dollar basis from the abatement proceeds, if any). If such tenants apply for an abatement of real estate taxes, then Landlord shall have the right to be involved in each step of the abatement process, including, without limitation, Landlord's right to approve all filings in connection with such abatement proceedings (such approval not to be unreasonably withheld) appropriately apportioned and the right to attend all meetings between Tenant and its representatives and the representatives of the Town of Bedford. In addition, payments by Tenant on account of Landlord's Tax Expenses Allocable to the Premises anticipated for the then current year shall be made monthly at the time and in the fashion herein provided for the payment of fixed rent. The amount so to be paid to Landlord shall be an amount reasonably estimated by Landlord to be sufficient to provide Landlord, in the aggregate, a sum equal to Landlord's Tax Expenses Allocable to the Premises, at least ten (10) days before the day on which such payments by Landlord would become delinquent. To the extent that real estate taxes shall be payable to the taxing authority in installments with respect to periods less than a Tax Year, the foregoing statement shall be rendered and payments made on account of such installments. Terms used herein are defined as follows:adjusted.

Real Estate Taxes. For each If Taxes (as hereinafter defined) assessed against the Property (or estimated to be due by governmental authority) for any fiscal tax period (a "TAX YEAR") during the term of this Lease shall exceed Base Taxes, whether due to increase in rate or reassessment of the Property, or both, Tenant shall reimburse Landlord therefor, as Additional Rent, in an amount equal to Tenant's Percentage of any such excess (the "TAX EXCESS"). Except as otherwise provided in the immediately following paragraph, Tenant shall pay the Tax Year falling Excess to Landlord at least thirty (30) days prior to the date or dates within any year during the Termterm hereof that the same, or any fractional share thereof, shall be due and payable to any governmental authority responsible for collection of same (as stated in a notice to Tenant given at least twenty (20) days prior to the date or dates any such payment shall be due, which notice shall set forth the manner of computation of any Tax Excess due from Tenant), except that such payment shall be made to Landlord not later than thirty (30) days after such notice to Tenant, if such notice is given subsequent to the date twenty days prior to the date the same is due and payable as aforesaid. At Landlord's election, Tenant shall pay to Landlord, as Additional Rent on the first day of each calendar month during the term but otherwise in the manner provided for the payment of Annual Fixed Rent, estimated payments on account of the Landlord's Tax Expenses Allocable Excess, such monthly amounts to be sufficient to provide Landlord by the time Tax payments are due or are to be made by Landlord a sum equal to the Premises Tax Excess, as reasonably estimated by Landlord from time to time on account of Taxes for the then current Tax Year. If the total of such monthly remittances for any Tax Year is greater than the Tax Excess for such corresponding Tax Year, Landlord shall credit such overpayment against Tenant's subsequent obligations on account of Taxes (or, within thirty (30) days, refund such overpayment if the term of this Lease has ended and Tenant has no further obligations to Landlord); if the total of such remittances is less than the Tax Excess for each fraction of a such Tax Year falling within the Term at the beginning or end thereofYear, Tenant shall pay the difference to Landlord, as Additional Rent, the product of Landlord within thirty (i) such Applicable fraction of a Tax Year and (ii) the Landlord's Tax Expenses Allocable to the Premises for the Tax Year in which said fraction occurs. Not later than ninety (9030) days after being so notified by Landlord. If, after Tenant shall have made all payments due to Landlord pursuant to this subsection 4.2.1, Landlord shall receive a refund of any portion of Taxes as a result of an abatement of such Taxes by legal proceedings, settlement or otherwise (without either party having any obligation to undertake any such proceedings and notwithstanding the prior termination of the Lease), Landlord shall pay or credit to Tenant Tenant's Percentage of that percentage of the refund (after first deducting any expenses, including attorneys', consultants', and appraisers' fees, incurred in connection with obtaining any such refund) which equals the percentage of the applicable Tax Expenses Allocable Year included in the term hereof, provided however, in no event shall Tenant be entitled to receive more than the Premises are determined for the first sum of payments actually made by Tenant on account of Taxes with respect to such Tax Year or fraction thereof and to receive any payment if Taxes for each succeeding any Tax Year are less than Base Taxes. In the event that the Commencement Date shall occur or the term of this Lease shall expire or be terminated during any Tax Year, or should the Tax Year or fraction thereof period of assessment of real estate taxes be changed or be more or less than one (1) year, or should Tenant's Percentage be modified during any Tax Year due to a change in the Term, Landlord shall render Tenant a statement in reasonable detail certified by a representative rentable area of Landlord showing for the preceding year Building and/or the Premises or fraction thereofotherwise, as the case may be, real estate taxes on then the Buildings and the Site and abatements and refunds amount of any taxes and assessments. Expenditures for legal fees and for other expenses incurred in seeking the tax refund or abatement Tax Excess which may be charged against the tax refund or abatement before the adjustments are made for the Tax Year. Said statement to be rendered to Tenant shall also show for the preceding Tax Year or fraction thereof as the case may be the amounts of real estate taxes already paid otherwise payable by Tenant as Additional Rent, and the amount of real estate taxes remaining due from, or overpaid by, Tenant for the year or other period covered by the statement. Within thirty (30) days after the date of delivery of the foregoing statement, Tenant shall pay to Landlord the balance of the amounts, if any, required to be paid pursuant to the above provisions of provided in this Section 2.7 with respect to the preceding Tax Year or fraction thereof, or Landlord shall credit any amounts due from it to Tenant pursuant to the provisions of this Section 2.7 against (x) monthly installments of fixed rent next thereafter coming due or (y) any sums then due from Tenant to Landlord under this Lease (or refund such portion of the over-payment as aforesaid if the Term has ended and Tenant has no further obligation to Landlord). In the event Landlord succeeds in obtaining a reduction of such real estate taxes, rates or assessments with respect to a real estate tax fiscal year as to which Tenant contributed Tenant's share of Landlord's Tax Expenses, then, Tenant subsection 4.2.1 shall be entitled to receive its proportionate share of the net amount of any refund received or reduction obtained by Landlord to the extent allocable to the Term of this Lease. Tenant's entitlement to such refund amount shall survive the expiration of the Term. Landlord will, upon the written request of Tenant, who together with other tenants lease at least fifty (50%) of the Total Rentable Floor Area of the Complex, at Landlord's election either (i) apply for an abatement of real estate taxes or (ii) allow such tenants to apply for abatements in their own name, or in Landlord's name, at their own cost (subject to such tenants' right to recover such costs on a first dollar basis from the abatement proceeds, if any). If such tenants apply for an abatement of real estate taxes, then Landlord shall have the right to be involved in each step of the abatement process, including, without limitation, Landlord's right to approve all filings in connection with such abatement proceedings (such approval not to be unreasonably withheld) appropriately apportioned and the right to attend all meetings between Tenant and its representatives and the representatives of the Town of Bedford. In addition, payments by Tenant on account of Landlord's Tax Expenses Allocable to the Premises anticipated for the then current year shall be made monthly at the time and in the fashion herein provided for the payment of fixed rent. The amount so to be paid to Landlord shall be an amount reasonably estimated by Landlord to be sufficient to provide Landlord, in the aggregate, a sum equal to Landlord's Tax Expenses Allocable to the Premises, at least ten (10) days before the day on which such payments by Landlord would become delinquent. To the extent that real estate taxes shall be payable to the taxing authority in installments with respect to periods less than a Tax Year, the foregoing statement shall be rendered and payments made on account of such installments. Terms used herein are defined as follows:adjusted.

Real Estate Taxes. For each Tax Year falling within In addition to all rentals herein reserved the Term, Tenant shall pay to Landlord, as Additional Rent, Landlord its proportional share of the Landlordannual increase in the building's Tax Expenses Allocable to real estate taxes and assessment levied upon and assessed against the Premises for such corresponding Tax Year, and premises for each fraction year of a Tax Year falling within the Term at term of this Lease over and above the beginning or end thereof, Tenant shall pay to Landlord, as Additional Rent, the product of (i) such Applicable fraction of a Tax Year and (ii) the Landlord's Tax Expenses Allocable to the Premises taxes for the Tax Year first year of the term hereof during which the premises, including the improvements thereon, shall have been fully assessed for taxes as completed premises by the tax assessor's office. Such increase in which said fraction occurs. Not later than ninety taxes shall be payable, if billed to Tenant, within thirty (9030) days after Landlord's Tax Expenses Allocable to the Premises are determined for end of the first such Tax Year or fraction thereof calendar year in which each of said fiscal tax years commenced and for each succeeding Tax Year or fraction thereof during the Term, Landlord shall render upon receipt by Tenant of a statement in reasonable detail certified by a representative writing from Landlord setting forth the amount of such tax increase. Landlord showing reserves the right to not xxxx Tenant annually for these increases and can, upon election, xxxx these increases covering several previous years at one time. Base tax increase xxxxxxxx not paid within thirty (30) days after billing are subject to interest charges at the preceding year rate of ten (10%) percent per annum. Landlord agrees to attempt to have the premises separately assessed for tax purposes, but in the event the premises are not so separately assessed, then and in such event, the taxes on the premises shall be apportioned according to the floor area of the premises, including mezzanines, if any, as it relates to the total floor areas, including mezzanines, of the building or fraction thereofbuildings, as the case may be, real estate taxes on the Buildings and the Site and abatements and refunds of any taxes and assessments. Expenditures for legal fees and for other expenses incurred in seeking the tax refund or abatement may which a separate assessment shall be charged against the tax refund or abatement before the adjustments are made for the Tax Year. Said statement to be rendered to Tenant shall also show for the preceding Tax Year or fraction thereof as the case may be the amounts of real estate taxes already paid by Tenant as Additional Rentmade, and which building (or buildings) includes the amount of real estate taxes remaining due from, or overpaid by, Tenant premises. Any such tax increase for the year in which this Lease ends shall be apportioned and adjusted. With respect to any assessment which may be levied against or upon the premises and which, under the laws then in force, may be evidenced by improvement or other period covered by the statement. Within thirty (30) days after the date of delivery of the foregoing statementbonds, Tenant shall pay to Landlord the balance of the amounts, if any, required to or may be paid pursuant to the above provisions of this Section 2.7 with respect to the preceding Tax Year or fraction thereof, or Landlord shall credit any amounts due from it to Tenant pursuant to the provisions of this Section 2.7 against (x) monthly installments of fixed rent next thereafter coming due or (y) any sums then due from Tenant to Landlord under this Lease (or refund such portion of the over-payment as aforesaid if the Term has ended and Tenant has no further obligation to Landlord). In the event Landlord succeeds in obtaining a reduction of such real estate taxes, rates or assessments with respect to a real estate tax fiscal year as to which Tenant contributed Tenant's share of Landlord's Tax Expenses, thenannual installments, Tenant shall be entitled required to receive its proportionate share of pay each year only the net amount of such annual installments or portion thereof constituting a tax increase (with appropriate proration for any refund received or reduction obtained by Landlord partial year) and shall have no obligation to continue such payments after the extent allocable to the Term termination of this Lease. Tenant's entitlement to such refund amount shall survive the expiration of the Term. Landlord will, upon the written request of Tenant, who together with other tenants lease at least fifty (50%) of the Total Rentable Floor Area of the Complex, at Landlord's election either (i) apply for an abatement of real estate taxes or (ii) allow such tenants to apply for abatements in their own name, or in Landlord's name, at their own cost (subject to such tenants' right to recover such costs on a first dollar basis from the abatement proceeds, if any). If such tenants apply for an abatement of real estate taxes, then Landlord shall have the right to be involved in each step of the abatement process, including, without limitation, Landlord's right to approve all filings in connection with such abatement proceedings (such approval not to be unreasonably withheld) and the right to attend all meetings between Tenant and its representatives and the representatives of the Town of Bedford. In addition, payments by Tenant on account of Landlord's Tax Expenses Allocable to the Premises anticipated for the then current year shall be made monthly at the time and in the fashion herein provided for the payment of fixed rent. The amount so to be paid to Landlord shall be an amount reasonably estimated by Landlord to be sufficient to provide Landlord, in the aggregate, a sum equal to Landlord's Tax Expenses Allocable to the Premises, at least ten (10) days before the day on which such payments by Landlord would become delinquent. To the extent that real estate taxes shall be payable to the taxing authority in installments with respect to periods less than a Tax Year, the foregoing statement shall be rendered and payments made on account of such installments. Terms used herein are defined as follows:.

Real Estate Taxes. For each Tax Year falling within Commencing as of the Rent Commencement Date and continuing thereafter throughout the Term, Tenant shall pay to Landlord, as Additional Rent, Tenant’s Percentage of Taxes (as hereinafter defined) assessed against the Landlord's Tax Expenses Allocable Property (or estimated to the Premises be due by governmental authority) for such corresponding any calendar year (a “Tax Year, and ”) during the Term of this Lease (Tenant’s Percentage of Taxes for each fraction of a Tax Year falling within the Term at the beginning or end thereof, being “Tenant’s Tax Obligation”). Tenant shall pay to Landlord, as Additional Rent on the first day of each calendar month during the Term but otherwise in the manner provided for the payment of Annual Fixed Rent, estimated payments on account of the product Tenant’s Tax Obligation, such monthly amounts to be sufficient to provide Landlord by the time Tax payments are due or are to be made by Landlord a sum equal to Tenant’s Tax Obligation for the then current Tax Year, as reasonably estimated by Landlord from time to time. Within a reasonable period of (i) such Applicable fraction time after the end of a each Tax Year and (ii) the Landlord's Tax Expenses Allocable but not to the Premises for the Tax Year in which said fraction occurs. Not later than ninety exceed one hundred twenty (90120) days after Landlord's Tax Expenses Allocable to the Premises are determined for the first such Tax Year or fraction thereof and for each succeeding Tax Year or fraction thereof during end of the Term, Landlord shall render give Tenant a statement in reasonable detail certified by a representative notice setting forth the amount of Landlord showing Taxes for the preceding year Tax Year and a computation of Tenant’s Tax Obligation for such Tax Year. If the total of Tenant’s monthly remittances on account of Tenant’s Tax Obligation for any Tax Year is greater than Tenant’s Tax Obligation for such Tax Year, Landlord shall credit such overpayment against Tenant’s subsequent obligations on account of Taxes (or fraction thereofpromptly refund such overpayment if the Term of this Lease has ended and Tenant has no further obligations to Landlord); if the total of such remittances is less than the Tenant’s Tax Obligation for such Tax Year, Tenant shall pay the difference to Landlord within ten (10) days after being so notified by Landlord. If, after Tenant shall have made all payments due to Landlord pursuant to this Subsection 4.2.1, Landlord shall receive a refund of any portion of Taxes as a result of an abatement of such Taxes by legal proceedings, settlement or otherwise (without either party having any obligation to undertake any such proceedings), Landlord shall pay or credit to Tenant Tenant’s Percentage of that percentage of the refund (after first deducting any expenses, including reasonable attorneys’, consultants’ and appraisers’ fees, incurred in connection with obtaining any such refund) which equals the percentage of the applicable Tax Year included in the Term hereof, provided however, in no event shall Tenant be entitled to receive more than the sum of payments actually made by Tenant on account of Taxes with respect to such Tax Year. GSDOCS\2096218.11 In the event that the Rent Commencement Date shall occur or the Term of this Lease shall expire or be terminated during any Tax Year, or should the Tax Year or period of assessment of real estate taxes be changed or be more or less than one (1) year, or should Tenant’s Percentage be modified during any Tax Year due to a change in the rentable area of the Building and/or the Premises or otherwise, as the case may be, real estate taxes on then the Buildings and the Site and abatements and refunds amount of any taxes and assessments. Expenditures for legal fees and for other expenses incurred in seeking the tax refund or abatement Tenant’s Tax Obligation which may be charged against the tax refund or abatement before the adjustments are made for the Tax Year. Said statement to be rendered to Tenant shall also show for the preceding Tax Year or fraction thereof as the case may be the amounts of real estate taxes already paid otherwise payable by Tenant as Additional Rent, and the amount of real estate taxes remaining due from, or overpaid by, Tenant for the year or other period covered by the statement. Within thirty (30) days after the date of delivery of the foregoing statement, Tenant shall pay to Landlord the balance of the amounts, if any, required to be paid pursuant to the above provisions of provided in this Section 2.7 with respect to the preceding Tax Year or fraction thereof, or Landlord shall credit any amounts due from it to Tenant pursuant to the provisions of this Section 2.7 against (x) monthly installments of fixed rent next thereafter coming due or (y) any sums then due from Tenant to Landlord under this Lease (or refund such portion of the over-payment as aforesaid if the Term has ended and Tenant has no further obligation to Landlord). In the event Landlord succeeds in obtaining a reduction of such real estate taxes, rates or assessments with respect to a real estate tax fiscal year as to which Tenant contributed Tenant's share of Landlord's Tax Expenses, then, Tenant Subsection 4.2.1 shall be entitled to receive its proportionate share of the net amount of any refund received or reduction obtained by Landlord to the extent allocable to the Term of this Lease. Tenant's entitlement to such refund amount shall survive the expiration of the Term. Landlord will, upon the written request of Tenant, who together with other tenants lease at least fifty (50%) of the Total Rentable Floor Area of the Complex, at Landlord's election either (i) apply for an abatement of real estate taxes or (ii) allow such tenants to apply for abatements in their own name, or in Landlord's name, at their own cost (subject to such tenants' right to recover such costs pro-rated on a first dollar daily basis from the abatement proceeds, if any). If such tenants apply for an abatement of real estate taxes, then Landlord shall have the right to be involved in each step of the abatement process, including, without limitation, Landlord's right to approve all filings in connection with such abatement proceedings (such approval not to be unreasonably withheld) and the right to attend all meetings between Tenant and its representatives and the representatives of the Town of Bedford. In addition, payments by Tenant based on account of Landlord's Tax Expenses Allocable to the Premises anticipated for the then current year shall be made monthly at the time and in the fashion herein provided for the payment of fixed rent. The amount so to be paid to Landlord shall be an amount reasonably estimated by Landlord to be sufficient to provide Landlord, in the aggregate, a sum equal to Landlord's Tax Expenses Allocable to the Premises, at least ten (10) days before the day on which such payments by Landlord would become delinquent. To the extent that real estate taxes shall be payable to the taxing authority in installments with respect to periods less than a three-hundred-sixty-five-(365)-day Tax Year, the foregoing statement shall be rendered and payments made on account of such installments. Terms used herein are defined as follows:.

Real Estate Taxes. For 5.1 On or before January 1, 2020, and thereafter on or before the first day of each January during the Term of this Lease (or as soon thereafter as is practical for Landlord), Landlord shall provide to Tenant the Estimated Real Estate Tax Year falling within Increase (as defined in Section 5.2) for the Termupcoming calendar year, together with a copy of the related tax xxxx from the Town of Islip. Beginning on January 1, 2020, Tenant shall pay to Landlord, as Additional RentRent in advance on the first day of each month during the Term, installments equal to one-twelfth (1/12) of the Landlord's Tenant’s Share of the Estimated Real Estate Tax Expenses Allocable to the Premises for such corresponding Tax Year, and for each fraction of a Tax Year falling within the Term at the beginning or end thereof, Tenant shall pay to Landlord, as Additional Rent, the product of Increase. Within sixty (i) such Applicable fraction of a Tax Year and (ii) the Landlord's Tax Expenses Allocable to the Premises for the Tax Year in which said fraction occurs. Not later than ninety (9060) days after Landlord's Tax Expenses Allocable to the Premises are determined for the first such Tax Year or fraction thereof end of 2020 and for each succeeding Tax Year or fraction thereof calendar year thereafter during the Term, Landlord shall render furnish to Tenant a statement in reasonable detail certified by a representative Landlord of Landlord showing the Actual Real Estate Tax Increase (as defined in Section 5.2) for the immediately preceding calendar year, and Landlord’s calculation of Tenant’s Share thereof. If Tenant’s Share of the Estimated Real Estate Tax Increase paid to Landlord during the previous calendar year or fraction thereofexceeds Tenant’s Share of the Actual Real Estate Tax Increase, as then Landlord shall credit the case may be, real estate taxes on the Buildings and the Site and abatements and refunds of any taxes and assessments. Expenditures for legal fees and for other expenses incurred in seeking the tax refund or abatement may be charged difference to Tenant against the tax refund or abatement before next due installment of Tenant’s Share of the adjustments are made for the Estimated Real Estate Tax YearIncrease. Said statement to be rendered to Tenant shall also show for the preceding Tax Year or fraction thereof as the case may be the amounts of real estate taxes already paid by Tenant as Additional RentOtherwise, and the amount of real estate taxes remaining due from, or overpaid by, Tenant for the year or other period covered by the statement. Within within thirty (30) days after the date of delivery of the foregoing statementLandlord furnishes such statement to Tenant, Tenant shall pay make a lump sum payment to Landlord equal to the balance positive difference between the Tenant’s Share of the amounts, if any, required to be paid pursuant to Actual Real Estate Tax Increase and the above provisions of this Section 2.7 with respect to the preceding Tax Year or fraction thereof, or Landlord shall credit any amounts due from it to Tenant pursuant to the provisions of this Section 2.7 against (x) monthly installments of fixed rent next thereafter coming due or (y) any sums then due from Tenant to Landlord under this Lease (or refund such portion Tenant’s Share of the over-payment as aforesaid if the Term has ended and Tenant has no further obligation to Landlord). In the event Landlord succeeds in obtaining a reduction of such real estate taxes, rates or assessments with respect to a real estate tax fiscal year as to which Tenant contributed Estimated Real Estate Tax Increase theretofore paid by Tenant's share of Landlord's Tax Expenses, then, Tenant shall be entitled to receive its proportionate share of the net amount of any refund received or reduction obtained by Landlord to the extent allocable to the Term of this Lease. Tenant's entitlement to such refund amount shall survive the expiration of the Term. Landlord will, upon the written request of Tenant, who together with other tenants lease at least fifty (50%) of the Total Rentable Floor Area of the Complex, at Landlord's election either (i) apply for an abatement of real estate taxes or (ii) allow such tenants to apply for abatements in their own name, or in Landlord's name, at their own cost (subject to such tenants' right to recover such costs on a first dollar basis from the abatement proceeds, if any). If such tenants apply for an abatement of real estate taxes, then Landlord shall have the right to be involved in each step of the abatement process, including, without limitation, Landlord's right to approve all filings in connection with such abatement proceedings (such approval not to be unreasonably withheld) and the right to attend all meetings between Tenant and its representatives and the representatives of the Town of Bedford. In addition, payments by Tenant on account of Landlord's Tax Expenses Allocable to the Premises anticipated for the then current year shall be made monthly at the time and in the fashion herein provided for the payment of fixed rent. The amount so to be paid to Landlord shall be an amount reasonably estimated by Landlord to be sufficient to provide Landlord, in the aggregate, a sum equal to Landlord's Tax Expenses Allocable to the Premises, at least ten (10) days before the day on which such payments by Landlord would become delinquent. To the extent that real estate taxes shall be payable to the taxing authority in installments with respect to periods less than a Tax Year, the foregoing statement shall be rendered and payments made on account of such installments. Terms used herein are defined as follows:.

Real Estate Taxes. For each Tax Year falling within Tenant shall deposit with Landlord funds for the payment of Tenant's Proportionate Share of Real Estate Taxes, as estimated by Landlord at the commencement of the Term, payable in twelve (12) equal monthly installments in advance on the first day of each and every calendar month during the Term of this Lease; PROVIDED, HOWEVER, that notwithstanding any provision contained herein, upon Tenant's execution of this Lease, Tenant shall deposit with Landlord funds for payment of Tenant's Proportionate Share of the Real Estate Taxes for the Leased Premises for the year 1999, based upon the 1998 Real Estate Taxes. At any time during the Term, Landlord may re-estimate Tenant's Real Estate Tax obligations and thereafter adjust Tenant's equal monthly installments thereof. In the event that the laws of the State of Colorado shall be altered so as to reduce or replace the amount of the Real Estate Taxes on the Leased Premises and in place thereof impose any tax, charge, or assessment against the holder of any mortgage on the Leased Premises, or any note, bond or other indebtedness secured thereby, or any tax on this Lease or leasehold estate, then Tenant shall pay Tenant's Proportionate Share of such tax, charge or assessment as Additional Rent. It is understood and agreed by and between Landlord and Tenant that, at all times during the Term of this Lease, Landlord shall have the right, but not the obligation, to Landlordelect at its option, to challenge the assessed value of the Leased Premises and/or to challenge the Real Estate Taxes levied or assessed against the Leased Premises. In any such event, Landlord shall be entitled to retain the services of individuals or companies of its selection, including, but not limited to, attorneys and appraisers to support such challenge. It is understood and agreed that Landlord shall be authorized to arrange for payment of such services as a percentage of the reduction in the Real Estate Taxes payable for the Leased Premises. Tenant agrees, as Additional Rent, the Landlordto reimburse Landlord for Tenant's Tax Expenses Allocable to the Premises for such corresponding Tax Year, and for each fraction of a Tax Year falling within the Term at the beginning or end thereof, Tenant shall pay to Landlord, as Additional Rent, the product of (i) such Applicable fraction of a Tax Year and (ii) the Landlord's Tax Expenses Allocable to the Premises for the Tax Year in which said fraction occurs. Not later than ninety (90) days after Landlord's Tax Expenses Allocable to the Premises are determined for the first such Tax Year or fraction thereof and for each succeeding Tax Year or fraction thereof during the Term, Landlord shall render Tenant a statement in reasonable detail certified by a representative of Landlord showing for the preceding year or fraction thereof, as the case may be, real estate taxes on the Buildings and the Site and abatements and refunds Proportionate Share of any taxes and assessments. Expenditures for legal fees and for other expenses incurred in seeking the tax refund or abatement may be charged against the tax refund or abatement before the adjustments are made for the Tax Year. Said statement to be rendered to Tenant shall also show for the preceding Tax Year or fraction thereof as the case may be the amounts of real estate taxes already paid by Tenant as Additional Rent, and the amount of real estate taxes remaining due from, or overpaid by, Tenant for the year or other period covered by the statement. Within thirty (30) days after the date of delivery of the foregoing statement, Tenant shall pay to Landlord the balance of the amounts, if any, required to be paid pursuant to the above provisions of this Section 2.7 with respect to the preceding Tax Year or fraction thereof, or Landlord shall credit any amounts due from it to Tenant pursuant to the provisions of this Section 2.7 against (x) monthly installments of fixed rent next thereafter coming due or (y) any sums then due from Tenant to Landlord under this Lease (or refund such portion of the over-payment as aforesaid if the Term has ended and Tenant has no further obligation to Landlord). In the event Landlord succeeds in obtaining a reduction of such real estate taxes, rates or assessments with respect to a real estate tax fiscal year as to which Tenant contributed Tenant's share of Landlord's Tax Expenses, then, Tenant shall be entitled to receive its proportionate share of the net amount of any refund received or reduction obtained by Landlord to the extent allocable to the Term of this Lease. Tenant's entitlement to such refund amount shall survive the expiration of the Term. Landlord will, upon the written request of Tenant, who together with other tenants lease at least fifty (50%) of the Total Rentable Floor Area of the Complex, at Landlord's election either (i) apply for an abatement of real estate taxes or (ii) allow such tenants to apply for abatements in their own name, or in Landlord's name, at their own cost (subject to such tenants' right to recover such costs on a first dollar basis from the abatement proceeds, if any). If such tenants apply for an abatement of real estate taxes, then Landlord shall have the right to be involved in each step of the abatement process, including, without limitation, Landlord's right to approve all filings in connection with such abatement proceedings (such approval not to be unreasonably withheld) and the right to attend all meetings between Tenant and its representatives and the representatives of the Town of Bedford. In addition, payments by Tenant on account of Landlord's Tax Expenses Allocable to the Premises anticipated for the then current year shall be made monthly at the time and in the fashion herein provided for the payment of fixed rent. The amount so to be paid to Landlord shall be an amount reasonably estimated by Landlord to be sufficient to provide Landlord, in the aggregate, a sum equal to Landlord's Tax Expenses Allocable to the Premises, at least within ten (10) days before the day on which of Landlord's written demand for such payments by Landlord would become delinquent. To the extent that real estate taxes shall be payable to the taxing authority in installments with respect to periods less than a Tax Year, the foregoing statement shall be rendered and payments made on account of such installments. Terms used herein are defined as follows:payment.

Real Estate Taxes. For each If with respect to any full Tax Year or fraction of a Tax Year falling within the Term, Landlord’s Tax Expenses Allocable to the Premises as hereinafter defined for a full Tax Year exceed Base Taxes Allocable to the Premises, or for any such fraction of a Tax Year exceed the corresponding fraction of Base Taxes Allocable to the Premises then, on or before the thirtieth (30th) day following receipt by Tenant of the certified statement referred to below in this Section 2.7, then Tenant shall pay to Landlord, as Additional Rent, the Landlord's Tax Expenses Allocable to amount of such excess. In addition, payments by Tenant on account of increases in real estate taxes anticipated for the Premises for such corresponding Tax Year, and for each fraction of a Tax Year falling within the Term then current year shall be made monthly at the beginning or end thereof, Tenant time and in the fashion herein provided for the payment of fixed rent. The amount so to be paid to Landlord shall pay be an amount reasonably estimated by Landlord to be sufficient to provide Landlord, as Additional Rentin the aggregate, a sum equal to Tenant’s share of such increases, at least ten (10) days before the product of (i) day on which such Applicable fraction of a Tax Year and (ii) the Landlord's Tax Expenses Allocable to the Premises for the Tax Year in which said fraction occurspayments by Landlord would become delinquent. Not later than ninety one hundred twenty (90120) days after Landlord's ’s Tax Expenses Allocable to the Premises are determined for the first such Tax Year or fraction thereof and for each succeeding Tax Year or fraction thereof during the Term, Landlord shall render Tenant a statement in reasonable detail certified by a representative of Landlord showing for the preceding year or fraction thereof, as the case may be, real estate taxes on the Buildings and the Site and abatements and refunds of any taxes and assessments. Expenditures for legal fees and for other expenses incurred in seeking the tax refund or abatement may be charged against the tax refund or abatement before the adjustments are made for the Tax Year. Said statement to be rendered to Tenant shall also show for the preceding Tax Year or fraction thereof as the case may be the amounts of real estate taxes already paid by Tenant as Additional Rent, and the amount of real estate taxes remaining due from, or overpaid by, Tenant for the year or other period covered by the statement. Within thirty (30) days after the date of delivery of the foregoing statement, Tenant shall pay to Landlord the balance of the amounts, if any, required to be paid pursuant to the above provisions of this Section 2.7 with respect to the preceding Tax Year or fraction thereof, or Landlord shall credit any amounts due from it to Tenant pursuant to the above provisions of this Section 2.7 against (x) monthly installments of fixed rent next thereafter coming due or (y) any sums then due from Tenant to Landlord under this Lease (or refund such portion of the over-payment overpayment as aforesaid if the Term has ended and Tenant has no further obligation to Landlord). In Notwithstanding anything contained herein to the event contrary, Landlord succeeds in obtaining a reduction of such real estate taxes, rates or assessments with respect to a real estate tax fiscal year as to which Tenant contributed Tenant's share of Landlord's Tax Expenses, then, Tenant shall be entitled to receive its proportionate share hereby agrees that over the course of the net amount of any refund received or reduction obtained by Landlord to the extent allocable to the Lease Term of this Lease. Tenant's entitlement to such refund amount shall survive the expiration of the Term. Landlord will, upon the written request of Tenant, who together with other tenants lease at least fifty it will not collect more than one hundred percent (50100%) of the Total Rentable Floor Area of the Complex, at Landlord's election either (i) apply for an abatement of real estate taxes or (ii) allow such tenants to apply for abatements in their own name, or in Landlord's name, at their own cost (subject allocable to such tenants' right to recover such costs on a first dollar basis from the abatement proceeds, if any). If such tenants apply for an abatement of real estate taxes, then Landlord shall have the right to be involved in each step of the abatement process, including, without limitation, Landlord's right to approve all filings in connection with such abatement proceedings (such approval not to be unreasonably withheld) and the right to attend all meetings between Tenant and its representatives and the representatives of the Town of Bedford. In addition, payments by Tenant on account of Landlord's Tax Expenses Allocable to the Premises anticipated for the then current year shall be made monthly at the time and in the fashion herein provided for the payment of fixed rent. The amount so to be paid to Landlord shall be an amount reasonably estimated by Landlord to be sufficient to provide Landlord, in the aggregate, a sum equal to Landlord's Tax Expenses Allocable to the Premises, at least ten (10) days before the day on which such payments by Landlord would become delinquentperiod. To the extent that real estate taxes shall be payable to the taxing authority in installments with respect to periods less than a Tax Year, the foregoing statement shall be rendered and payments made on account of such installments. Terms used herein are defined as follows:

Real Estate Taxes. For Tenant shall pay Landlord the annual real estate taxes and assessments ("Real Estate Taxes") assessed and levied against the Premises, on the first (1st) day of each Tax Year falling within month, in advance, in a sum equal to 1/12th of the Termannual real estate taxes and assessments due and payable for the then calendar year. If at a time a payment is required the amount of the Real Estate Taxes for the then calendar year shall not be known, Tenant shall pay to Landlord, as Additional Rent, Landlord 1/12th of the Landlord's Tax Expenses Allocable to Real Estate Taxes for the Premises preceding calendar year; and upon ascertaining the Real Estate Taxes for such corresponding Tax Year, and for each fraction of a Tax Year falling within the Term at the beginning or end thereofcurrent calendar year, Tenant shall pay to Landlord, as Additional Rent, the product of (i) such Applicable fraction of a Tax Year and (ii) the Landlord's Tax Expenses Allocable to the Premises for the Tax Year in which said fraction occurs. Not later than ninety (90) days after Landlord's Tax Expenses Allocable to the Premises are determined for the first such Tax Year or fraction thereof and for each succeeding Tax Year or fraction thereof during the Term, Landlord shall render Tenant a statement in reasonable detail certified by a representative of Landlord showing for the preceding year or fraction thereof, as the case may be, real estate taxes on the Buildings and the Site and abatements and refunds of any taxes and assessments. Expenditures for legal fees and for other expenses incurred in seeking the tax refund or abatement may be charged against the tax refund or abatement before the adjustments are made for the Tax Year. Said statement to be rendered to Tenant shall also show for the preceding Tax Year or fraction thereof as the case may be the amounts of real estate taxes already paid by Tenant as Additional Rent, and the amount of real estate taxes remaining due fromdifference upon demand, or overpaid by, Tenant for the year or other period covered by the statement. Within thirty (30) days after the date of delivery of the foregoing statement, Tenant shall pay to Landlord the balance of the amounts, if any, required to be paid pursuant to the above provisions of this Section 2.7 with respect to the preceding Tax Year or fraction thereof, or Landlord shall credit any amounts due from it to Tenant pursuant to the provisions of this Section 2.7 against (x) monthly installments of fixed rent next thereafter coming due or (y) any sums then due from Tenant to Landlord under this Lease (or refund such portion of the over-payment as aforesaid if the Term has ended and Tenant has no further obligation to Landlord). In the event Landlord succeeds in obtaining a reduction of such real estate taxes, rates or assessments with respect to a real estate tax fiscal year as to which Tenant contributed Tenant's share of Landlord's Tax Expenses, then, Tenant shall be entitled to receive its proportionate share a credit, Landlord shall credit the excess against the next monthly installment(s) of Real Estate Taxes falling due. Real Estate Taxes payable for the first and last years of the net lease term shall be adjusted and pro rated, so that Landlord shall be responsible for Landlord's pro rated share for the period prior to and subsequent to the lease term and Tenant shall pay Landlord its pro rated share for the lease term. Provided this Lease is not previously cancelled or terminated, and there shall be no Event of Default, or an event that with the giving of notice or the lapse of time, or both, would constitute an Event of Default, then Tenant shall have the right to contest the amount or validity of any refund received Real Estate Taxes assessed and levied against the Premises, or to seek a reduction obtained by Landlord to in the extent allocable to the Term of this Lease. Tenant's entitlement to such refund amount shall survive the expiration valuation of the Termbuilding on the Premises assessed for real estate tax purposes, by appropriate proceedings diligently conducted in good faith (the "Tax Appeal"), but only after payment of such taxes and assessments. Except as set forth below, Landlord willshall not be required to join in any Tax Appeal. If required by law, Landlord shall, upon the written request of Tenant, who together with other tenants lease at least fifty (50%) of join in the Total Rentable Floor Area of Tax Appeal or permit the Complex, at Landlord's election either (i) apply for an abatement of real estate taxes or (ii) allow such tenants Tax Appeal to apply for abatements in their own name, or be brought in Landlord's name, at their own cost (subject to such tenants' right to recover such costs on a first dollar basis from the abatement proceeds, if any). If such tenants apply for an abatement of real estate taxes, then and Landlord shall have reasonably cooperate with Tenant, at the right to be involved cost and expense of Tenant. Tenant shall pay any increase that may result in each step Real Estate Taxes as a consequence of the abatement processTax Appeal, including, without limitation, Landlord's right to approve all filings in connection with such abatement proceedings (such approval not to be unreasonably withheld) and which payment obligations shall survive the right to attend all meetings between Tenant and its representatives and the representatives expiration or earlier termination of the Town of Bedfordthis Lease. In addition, payments by Tenant on account of Landlord's Tax Expenses Allocable to the Premises anticipated Landlord estimates that Real Estate Taxes for the then current 2005 calendar year shall will be made monthly at the time Fifteen Thousand One Hundred and in the fashion herein provided for the payment of fixed rent. The amount so to be paid to Landlord shall be an amount reasonably estimated by Landlord to be sufficient to provide Landlord, in the aggregate, a sum equal to Landlord's Tax Expenses Allocable to the Premises, at least ten 00/100 Dollars (10) days before the day on which such payments by Landlord would become delinquent. To the extent that real estate taxes shall be payable to the taxing authority in installments with respect to periods less than a Tax Year, the foregoing statement shall be rendered and payments made on account of such installments. Terms used herein are defined as follows:$15,100.00).

Real Estate Taxes. Tenant shall pay Tenant's Proportionate Share (as hereinafter defined) of any real estate taxes imposed upon the Shopping Center for each Lease Year included within the period commencing with the Commencement Date and ending with the expiration of the initial and any renewal term of this Lease. For each Tax Year falling within Lease Year, "Tenant's Proportionate Share" of the Termreal estate taxes upon the Shopping Center (including the Common Area) shall be the product of such taxes multiplied by a fraction, the numerator of which shall be the ground floor area, (expressed in square feet) in the Demised Premises and the denominator of which shall be the gross floor area (expressed in square feet) of all buildings in the Shopping Center. For the purpose of this Lease, the term "real estate taxes" shall include any special assessments, water and sewer rents and other governmental impositions imposed upon or against the Shopping Center of every kind and nature whatsoever, extraordinary as well as ordinary, foreseen and unforeseen and each and every installment thereof, which shall or may during the lease term be levied, assessed or imposed upon or against such Shopping Center. Notwithstanding any provision of this Lease to the contrary, Tenant shall not be obligated to pay to Landlord, as Additional Rent, for any assessment for special improvements heretofore installed or in the Landlord's Tax Expenses Allocable to process of installation in connection with the Premises for such corresponding Tax Yearinitial development of the Shopping Center, and for each fraction of a Tax Year falling within the Term at the beginning or end thereof, Tenant shall Landlord hereby agrees to pay to Landlord, as Additional Rent, the product of (i) such Applicable fraction of a Tax Year and (ii) the Landlord's Tax Expenses Allocable to the Premises for the Tax Year in which said fraction occurssame. Not later than ninety (90) days after Landlord's Tax Expenses Allocable to the Premises are determined for the first such Tax Year or fraction thereof and for each succeeding Tax Year or fraction thereof during the Term, Landlord shall render Tenant a statement in reasonable detail certified by a representative of Landlord showing for the preceding year or fraction thereof, as the case may be, The real estate taxes on the Buildings and the Site and abatements and refunds of for any taxes and assessments. Expenditures for legal fees and for other expenses incurred in seeking the tax refund or abatement may be charged against the tax refund or abatement before the adjustments are made for the Tax Year. Said statement to be rendered to Tenant Lease Year shall also show for the preceding Tax Year or fraction thereof as the case may be the amounts of real estate taxes already for the tax year terminating during said Lease Year. If any Lease Year shall be greater than or less than twelve (12) months, or if the real estate tax year shall be changed, an appropriate adjustment shall be made. If there shall be more than one taxing authority, the real estate taxes for any period shall be the sum of the real estate taxes for said period attributable to each taxing authority. If, upon the assessment day for real estate taxes for any tax year fully or partly included within the term of this Lease, a portion of such assessment shall be attributable to buildings in the process of construction, a fair and reasonable adjustment shall be made to carry out the intent of the parties. Landlord shall submit to Tenant true copies of the real estate tax xxxx for each tax year or portion of a tax year included within the term of this Lease and shall xxxx Tenant for any amount that may be payable by Tenant. Said xxxx shall be accompanied by a computation of the amount payable by Tenant and such amount shall be paid by Tenant as Additional Rent, and the amount of real estate taxes remaining due from, or overpaid by, Tenant for the year or other period covered by the statement. Within within thirty (30) days after receipt of said xxxx. Should the date State of delivery of the foregoing statement, Tenant shall pay to Landlord the balance of the amounts, if any, required to be paid pursuant to the above provisions of this Section 2.7 with respect to the preceding Tax Year Ohio or fraction any political subdivision thereof or any governmental authority having jurisdiction thereof, impose a tax and/or assessment (other than an income or Landlord shall credit any amounts due from it to Tenant pursuant to franchise tax) upon or against the provisions rentals payable hereunder, in lieu of this Section 2.7 assessments levied or assessed against (x) monthly installments of fixed rent next thereafter coming due the Demised Premises, or (y) any sums then due from Tenant to Landlord under this Lease (or refund such portion of the over-payment as aforesaid if the Term has ended and Tenant has no further obligation to Landlord). In the event Landlord succeeds in obtaining a reduction of such real estate taxes, rates or assessments with respect to a real estate tax fiscal year as to which Tenant contributed Tenant's share of Landlord's Tax Expenses, then, Tenant shall be entitled to receive its proportionate share of the net amount of any refund received or reduction obtained by Landlord to the extent allocable to the Term of this Lease. Tenant's entitlement to such refund amount shall survive the expiration of the Term. Landlord will, upon the written request of Tenant, who together with other tenants lease at least fifty (50%) of the Total Rentable Floor Area of the Complex, at Landlord's election either (i) apply for an abatement of real estate taxes or (ii) allow such tenants to apply for abatements in their own nameShopping Center, or in Landlord's nameaddition thereto, at their own cost (subject such tax and/or assessment shall be deemed to such tenants' right to recover such costs constitute a tax on a first dollar basis from the abatement proceeds, if any). If such tenants apply for an abatement of real estate taxes, then Landlord shall have the right to be involved in each step of the abatement process, including, without limitation, Landlord's right to approve all filings in connection with such abatement proceedings (such approval not to be unreasonably withheld) and the right to attend all meetings between Tenant and its representatives and the representatives of the Town of Bedford. In addition, payments by Tenant on account of Landlord's Tax Expenses Allocable to the Premises anticipated for the then current year shall be made monthly at the time and in the fashion herein provided for the payment purpose of fixed rent. The amount so to be paid to Landlord shall be an amount reasonably estimated by Landlord to be sufficient to provide Landlord, in the aggregate, a sum equal to Landlord's Tax Expenses Allocable to the Premises, at least ten (10) days before the day on which such payments by Landlord would become delinquent. To the extent that real estate taxes shall be payable to the taxing authority in installments with respect to periods less than a Tax Year, the foregoing statement shall be rendered and payments made on account of such installments. Terms used herein are defined as follows:this section.

Real Estate Taxes. Tenant shall pay Tenant's Proportionate Share (as hereinafter defined) of any real estate taxes imposed upon the Shopping Center for each lease year included within the period commencing with the Commencement Date and ending with the expiration of the term of this Lease. For each Tax Year falling within lease year, "Tenant's Proportionate Share" of the Termreal estate taxes upon the Shopping Center (including the Common Areas) shall be the product of such taxes multiplied by a fraction, the numerator of which shall be the ground floor area (expressed in square feet) of the Demised Premises and the denominator of which shall be the gross leasable floor area (expressed in square feet) of the Shopping Center. For the purpose of this Lease, the term "real estate taxes" shall include any special and general assessments, water and sewer rents and other governmental impositions imposed upon or against the Shopping Center of every kind and nature whatsoever, extraordinary as well as ordinary, foreseen and unforeseen and each and every installment thereof, which shall or may during the lease term be levied, assessed or imposed upon or against such Shopping Center and of all expenses, including reasonable attorneys' fees, administrative hearing and court costs incurred in contesting or negotiating the amount, assessment or rate of any such real estate taxes, minus any refund received by Landlord. Notwithstanding any provision of this Lease to the contrary, Tenant shall not be obligated to pay to Landlord, as Additional Rent, for any assessment for special improvements heretofore installed or in the Landlord's Tax Expenses Allocable to process of installation in connection with the Premises for such corresponding Tax Yearinitial development of the Shopping Center, and for each fraction of a Tax Year falling within the Term at the beginning or end thereof, Tenant shall Landlord hereby agrees to pay to Landlord, as Additional Rent, the product of (i) such Applicable fraction of a Tax Year and (ii) the Landlord's Tax Expenses Allocable to the Premises for the Tax Year in which said fraction occurssame. Not later than ninety (90) days after Landlord's Tax Expenses Allocable to the Premises are determined for the first such Tax Year or fraction thereof and for each succeeding Tax Year or fraction thereof during the Term, Landlord shall render Tenant a statement in reasonable detail certified by a representative of Landlord showing for the preceding year or fraction thereof, as the case may be, The real estate taxes on the Buildings and the Site and abatements and refunds of for any taxes and assessments. Expenditures for legal fees and for other expenses incurred in seeking the tax refund or abatement may be charged against the tax refund or abatement before the adjustments are made for the Tax Year. Said statement to be rendered to Tenant lease year shall also show for the preceding Tax Year or fraction thereof as the case may be the amounts of real estate taxes already for the tax year terminating during said lease year. If any lease year shall be greater than or less than twelve (12) months, or if the real estate tax year shall be changed, an appropriate adjustment shall be made. If there shall be more than one taxing authority, the real estate taxes for any period shall be the sum of the real estate taxes for said period attributable to each taxing authority. If, upon the assessment day for real estate taxes for any tax year fully or partly included within the term of this Lease, a portion of such assessment shall be attributable to buildings in the process of construction, a fair and reasonable adjustment shall be made to carry out the intent of this section. Landlord shall submit to Tenant true copies of the real estate tax xxxx for each tax year or portion of a tax year included within the term of this Lease and shall xxxx Tenant for the amount to be paid by Tenant as Additional Rent, and hereunder. Said xxxx shall be accompanied by a computation of the amount of real estate taxes remaining due from, or overpaid by, payable by Tenant for the year or other period covered and such amount shall be paid by the statement. Within Tenant within thirty (30) days after receipt of said xxxx. Should the date State of delivery Virginia or any political subdivision thereof or any governmental authority having jurisdiction thereof, impose a tax and/or assessment (other than an income or franchise tax) upon or against the rentals payable hereunder, in lieu of or in addition to assessments levied or assessed against the foregoing statementdemised premises, Tenant or Shopping Center, then such tax and/or assessment shall pay be deemed to Landlord constitute a tax on real estate for the balance of the amounts, if any, required to be paid pursuant to the above provisions purpose of this Section 2.7 with respect to the preceding Tax Year or fraction thereof, or Landlord shall credit any amounts due from it to Tenant pursuant to the provisions of this Section 2.7 against (x) monthly installments of fixed rent next thereafter coming due or (y) any sums then due from Tenant to Landlord under this Lease (or refund such portion of the over-payment as aforesaid if the Term has ended and Tenant has no further obligation to Landlord). In the event Landlord succeeds in obtaining a reduction of such real estate taxes, rates or assessments with respect to a real estate tax fiscal year as to which Tenant contributed Tenant's share of Landlord's Tax Expenses, then, Tenant shall be entitled to receive its proportionate share of the net amount of any refund received or reduction obtained by Landlord to the extent allocable to the Term of this Lease. Tenant's entitlement to such refund amount shall survive the expiration of the Term. Landlord will, upon the written request of Tenant, who together with other tenants lease at least fifty (50%) of the Total Rentable Floor Area of the Complex, at Landlord's election either (i) apply for an abatement of real estate taxes or (ii) allow such tenants to apply for abatements in their own name, or in Landlord's name, at their own cost (subject to such tenants' right to recover such costs on a first dollar basis from the abatement proceeds, if any). If such tenants apply for an abatement of real estate taxes, then Landlord shall have the right to be involved in each step of the abatement process, including, without limitation, Landlord's right to approve all filings in connection with such abatement proceedings (such approval not to be unreasonably withheld) and the right to attend all meetings between Tenant and its representatives and the representatives of the Town of Bedford. In addition, payments by Tenant on account of Landlord's Tax Expenses Allocable to the Premises anticipated for the then current year shall be made monthly at the time and in the fashion herein provided for the payment of fixed rent. The amount so to be paid to Landlord shall be an amount reasonably estimated by Landlord to be sufficient to provide Landlord, in the aggregate, a sum equal to Landlord's Tax Expenses Allocable to the Premises, at least ten (10) days before the day on which such payments by Landlord would become delinquent. To the extent that real estate taxes shall be payable to the taxing authority in installments with respect to periods less than a Tax Year, the foregoing statement shall be rendered and payments made on account of such installments. Terms used herein are defined as follows:section.

Real Estate Taxes. For each Tax Year falling within the Term, Tenant shall pay to Landlord, as Additional Rentadditional rent, for each tax period partially or wholly included its the term, Taxes (as hereinafter defined). Tenant shall remit to Landlord's Tax Expenses Allocable , on the first day of each calendar month, estimated payments on account of Taxes, such monthly amounts to be sufficient to provide Landlord, by the time real estate tax payments are due and payable to any governmental authority responsible for collection of same, a sum equal to the Premises Taxes, as reasonably estimated by Xxxxxxxx from time to time on the basis of the most recent tax data available. The initial calculation of the monthly estimated payments shall be based upon the Initial Estimate of Taxes for the Tax Year and upon quarterly payments being due to the governmental authority on August 1, November 1, February 1 and May 1, and shall be made when the Commencement Date has been determined. If the total of such monthly remittances for any Tax Year is greater than the actual Taxes for such corresponding Tax Year, and Landlord shall promptly pay to Tenant, or credit against the next accruing payments to be made by Tenant pursuant to this subsection 4.2.1, the difference; if the total of such remittances is less than the actual Taxes for each fraction of a such Tax Year falling within the Term at the beginning or end thereofYear, Tenant shall pay the difference to LandlordLandlord at least ten (10) days prior to the date or dates within such Tax Year that any Taxes become due and payable to the governmental authority (but in any event no earlier than ten (10) days following a written notice to Tenant, which notice shall set forth the manner of computation of Tenant's Percentage of Taxes). If, after Tenant shall have made reimbursement to Landlord pursuant to this subsection 4.2.1, Landlord shall receive a refund of any portion of Taxes paid by Tenant with respect to any Tax Year during the term hereof as a result of an abatement of such Taxes by legal proceedings, settlement or otherwise (without either party having any obligation to undertake any such proceedings), Landlord shall promptly pay to Tenant, or credit against the next accruing payments to be made by Tenant pursuant to this subsection 4.2.1, the Tenant's Percentage of the refund (less the expenses, including reasonable attorneys' fees and reasonable appraisers' fees, incurred in connection with obtaining any such refund), as Additional Rent, the product of (i) such Applicable fraction of a relates to Taxes paid by Tenant to Landlord with respect to any Tax Year and for which such refund is obtained. In the event this Lease shall commence, or shall end (ii) by reason of expiration of the Landlord's Tax Expenses Allocable term or earlier termination pursuant to the Premises for provisions hereof), on any date other than the first or last day of the Tax Year, or should the Tax Year in which said fraction occurs. Not later or period of assessment of real estate taxes be changed or be more or less than ninety one (901) days after Landlord's Tax Expenses Allocable to the Premises are determined for the first such Tax Year or fraction thereof and for each succeeding Tax Year or fraction thereof during the Term, Landlord shall render Tenant a statement in reasonable detail certified by a representative of Landlord showing for the preceding year or fraction thereofyear, as the case may be, real estate taxes on then the Buildings and the Site and abatements and refunds amount of any taxes and assessments. Expenditures for legal fees and for other expenses incurred in seeking the tax refund or abatement Taxes which may be charged against the tax refund or abatement before the adjustments are made for the Tax Year. Said statement to be rendered to Tenant shall also show for the preceding Tax Year or fraction thereof as the case may be the amounts of real estate taxes already paid payable by Tenant as Additional Rent, and the amount of real estate taxes remaining due from, or overpaid by, Tenant for the year or other period covered by the statement. Within thirty (30) days after the date of delivery of the foregoing statement, Tenant shall pay to Landlord the balance of the amounts, if any, required to be paid pursuant to the above provisions of provided in this Section 2.7 with respect to the preceding Tax Year or fraction thereof, or Landlord shall credit any amounts due from it to Tenant pursuant to the provisions of this Section 2.7 against (x) monthly installments of fixed rent next thereafter coming due or (y) any sums then due from Tenant to Landlord under this Lease (or refund such portion of the over-payment as aforesaid if the Term has ended and Tenant has no further obligation to Landlord). In the event Landlord succeeds in obtaining a reduction of such real estate taxes, rates or assessments with respect to a real estate tax fiscal year as to which Tenant contributed Tenant's share of Landlord's Tax Expenses, then, Tenant subsection 4.2.1 shall be entitled to receive its proportionate share of the net amount of any refund received or reduction obtained by Landlord to the extent allocable to the Term of this Lease. Tenant's entitlement to such refund amount shall survive the expiration of the Term. Landlord will, upon the written request of Tenant, who together with other tenants lease at least fifty (50%) of the Total Rentable Floor Area of the Complex, at Landlord's election either (i) apply for an abatement of real estate taxes or (ii) allow such tenants to apply for abatements in their own name, or in Landlord's name, at their own cost (subject to such tenants' right to recover such costs on a first dollar basis from the abatement proceeds, if any). If such tenants apply for an abatement of real estate taxes, then Landlord shall have the right to be involved in each step of the abatement process, including, without limitation, Landlord's right to approve all filings in connection with such abatement proceedings (such approval not to be unreasonably withheld) appropriately apportioned and the right to attend all meetings between Tenant and its representatives and the representatives of the Town of Bedford. In addition, payments by Tenant on account of Landlord's Tax Expenses Allocable to the Premises anticipated for the then current year shall be made monthly at the time and in the fashion herein provided for the payment of fixed rent. The amount so to be paid to Landlord shall be an amount reasonably estimated by Landlord to be sufficient to provide Landlord, in the aggregate, a sum equal to Landlord's Tax Expenses Allocable to the Premises, at least ten (10) days before the day on which such payments by Landlord would become delinquent. To the extent that real estate taxes shall be payable to the taxing authority in installments with respect to periods less than a Tax Year, the foregoing statement shall be rendered and payments made on account of such installments. Terms used herein are defined as follows:adjusted.

Real Estate Taxes. For each Tax Year falling within the Term, Tenant LESSEE shall pay to Landlord, LESSOR during the term hereof as Additional Rent, the Landlordadditional rent a proportionate share ("LESSEE's Tax Expenses Allocable to the Premises for such corresponding Tax Year, and for each fraction Proportionate Share") of a Tax Year falling within the Term at the beginning or end thereof, Tenant shall pay to Landlord, as Additional Rent, the product of any increase in (i) such Applicable fraction of a Tax Year and (iix) the Landlord's Tax Expenses Allocable to the Premises for the Tax Year in which said fraction occurs. Not later than ninety (90) days after Landlord's Tax Expenses Allocable to the Premises are determined for the first such Tax Year or fraction thereof and for each succeeding Tax Year or fraction thereof during the Term, Landlord shall render Tenant a statement in reasonable detail certified by a representative of Landlord showing for the preceding year or fraction thereof, as the case may be, real estate taxes on levied against the Buildings land and building of which the Site and abatements and refunds of any taxes and assessments. Expenditures for legal fees and for other expenses incurred leased premises are a part (hereinafter called the "building"), over (y) "Base Taxes" (as hereinafter defined), whether such increase is caused by an increase in seeking the tax refund rate or abatement may be charged against the tax refund assessment of the property, or abatement before the adjustments are made for the Tax Year. Said statement to be rendered to Tenant shall also show for the preceding Tax Year or fraction thereof as the case may be the amounts a change in method of determining real estate taxes already paid taxes. For purposes of this Lease, LESSEE's Proportionate Share shall be based on a fraction, the numerator of which is the rentable square footage leased by Tenant as Additional RentLESSEE, and the amount denominator of real estate taxes remaining due from, or overpaid by, Tenant for which is the year or other period covered by total rentable square footage of the statementbuilding of which the leased premises are a part. Within LESSEE shall make payment within thirty (30) days after of written notice from LESSOR (which shall include a copy of the applicable tax xxxx and a calculation of LESSEE's Proportionate Share) that such increased taxes are payable, and any additional rent shall be prorated should the lease terminate before the end of any tax year. LESSEE shall make such payments on account of Real Estate Taxes, at the option of LESSOR, on a monthly basis on the days on which the rent under Paragraph 1 of this lease is payable, in amounts reasonably estimated by LESSOR (or as otherwise billed by LESSOR, but not more frequently than monthly), so that LESSOR shall have received from LESSEE, by February 1, May 1, August 1, and November 1st of each year (or other applicable dates, if the present real estate tax payment dates are modified) LESSEE's full share of the real estate tax. For purposes of this Lease, "Base Taxes" shall be the rate and the assessment in effect as of the date of delivery of the foregoing statement, Tenant shall pay to Landlord the balance of the amounts, if any, required to be paid pursuant to the above provisions of this Section 2.7 with respect to the preceding Tax Year or fraction thereof, or Landlord shall credit any amounts due from it to Tenant pursuant to the provisions of this Section 2.7 against (x) monthly installments of fixed rent next thereafter coming due or (y) any sums then due from Tenant to Landlord under this Lease (or refund such portion of the over-payment as aforesaid if the Term has ended and Tenant has no further obligation to Landlord)lease. In the event Landlord succeeds that the building was not assessed as a completed structure as of the aforementioned date, then Base Taxes shall be as of the first date when the building and supporting facilities are assessed as a completed office building. LESSOR shall have the exclusive right to pursue an abatement in obtaining a reduction of such the real estate taxes, rates or assessments with respect to a real estate tax fiscal year as to which Tenant contributed Tenant's share of Landlord's Tax Expenses, then, Tenant shall be entitled to receive its proportionate share of the net amount of any refund received or reduction obtained by Landlord to the extent allocable to the Term of this Lease. Tenant's entitlement to such refund amount shall survive the expiration of the Term. Landlord will, upon the written request of Tenant, who together with other tenants lease at least fifty (50%) of the Total Rentable Floor Area of the Complex, at Landlord's election either (i) apply for an abatement of real estate taxes or (ii) allow such tenants to apply for abatements in their own name, or in Landlord's name, at their own cost (subject to such tenants' right to recover such costs on a first dollar basis from the abatement proceeds, and if any). If such tenants apply for an abatement of real estate taxes, then Landlord shall have the right to be involved in each step of the abatement process, including, without limitation, Landlord's right to approve all filings in connection with such abatement proceedings (such approval not to be unreasonably withheld) and the right to attend all meetings between Tenant and its representatives and the representatives of the Town of Bedford. In addition, payments by Tenant on account of Landlord's Tax Expenses Allocable to the Premises anticipated for the then current year is obtained a proportionate adjustment or refund shall be made monthly at in LESSEE's favor, less the time and in the fashion herein provided for the payment cost of fixed rent. The amount so to be paid to Landlord shall be an amount reasonably estimated by Landlord to be sufficient to provide Landlord, in the aggregate, a sum equal to Landlord's Tax Expenses Allocable to the Premises, at least ten (10) days before the day on which obtaining such payments by Landlord would become delinquent. To the extent that real estate taxes shall be payable to the taxing authority in installments with respect to periods less than a Tax Year, the foregoing statement shall be rendered and payments made on account of such installments. Terms used herein are defined as follows:abatement.

Real Estate Taxes. For each Tax Year falling Landlord shall pay when due all real estate and school taxes and special assessments, business improvement district taxes, payment in lieu of taxes, and all other taxes, duties, charges, fees and payments imposed, assessed or levied upon, or arising in connection with the ownership, use, occupancy or possession of the Building and Premises or any part thereof during the term of the Lease (“Taxes”). With respect to all or any part of Taxes which falls within the Term, Tenant shall pay to LandlordLandlord when due, as Additional Rent, Tenant’s Share of Taxes commencing on the Landlord's Tax Expenses Allocable Term Commencement Date. Tenant’s Share is calculated to be 100.00 % of Taxes. Such Tenant’s Share shall be paid by Tenant within thirty (30) days after receipt of an invoice therefore from Landlord which includes an itemized statement of the Premises Taxes paid by Xxxxxxxx and copies of the invoices for such corresponding Tax Year, and for each fraction Taxes received by Landlord. Failure of a Tax Year falling Landlord to provide such statement within the Term time prescribed shall not relieve Tenant of its obligations hereunder. Upon request of Landlord, Xxxxxx’s Share shall be paid by Tenant in monthly installments in such amounts as are estimated and billed by Landlord at the beginning of each twelve (12) month period commencing and ending on date designated by Landlord, each installment being due on the first day of each calendar month. At any time during each twelve (12) month period, Landlord may re-estimate Tenant’s Share of Taxes and adjust Tenant’s monthly installments payable thereafter during such twelve (12) month period to reflect more accurately Tenant’s Share of Taxes. Within one hundred twenty (120) days (or such additional time thereafter as is reasonable under the circumstances), after the end thereofof each such twelve (12) month period, the monthly installments paid or payable shall be adjusted between Landlord and Tenant, and Tenant shall pay to Landlord, as Additional Rent, the product of (i) such Applicable fraction of a Tax Year and (ii) the Landlord's Tax Expenses Allocable to the Premises for the Tax Year in which said fraction occurs. Not later than ninety (90) days after Landlord's Tax Expenses Allocable to the Premises are determined for the first such Tax Year Landlord or fraction thereof and for each succeeding Tax Year or fraction thereof during the Term, Landlord shall render Tenant a statement in reasonable detail certified by a representative of Landlord showing for the preceding year or fraction thereofcredit Tenant’s account, as the case may be, real estate taxes on the Buildings and the Site and abatements and refunds of any taxes and assessments. Expenditures for legal fees and for other expenses incurred in seeking the tax refund or abatement may be charged against the tax refund or abatement before the adjustments are made for the Tax Year. Said statement to be rendered to Tenant shall also show for the preceding Tax Year or fraction thereof as the case may be the amounts of real estate taxes already paid by Tenant as Additional Rent, and the amount of real estate taxes remaining due from, or overpaid by, Tenant for the year or other period covered by the statement. Within within thirty (30) days after of receipt of a statement from Landlord to Tenant, such amounts as may be necessary to effect adjustment to the date agreed Tenant’s Share. Failure of delivery Landlord to provide such statement within the time prescribed shall not relieve Tenant of its obligations thereunder. Initial year Taxes are estimated at $1.05 per square foot to the foregoing statementbest of Landlord’s knowledge. At Landlord’s option, however, Tenant shall pay to Landlord the balance of the amounts, if any, required to be paid pursuant Taxes directly to the above provisions applicable taxing jurisdictions when due and shall send copies of this Section 2.7 with respect paid receipts to the preceding Tax Year or fraction thereof, or Landlord shall credit any amounts due within 20 days from it to Tenant pursuant to the provisions of this Section 2.7 against (x) monthly installments of fixed rent next thereafter coming due or (y) any sums then due from Tenant to Landlord under this Lease (or refund date such portion of the over-payment as aforesaid if the Term has ended and Tenant has no further obligation to Landlord). In the event Landlord succeeds in obtaining a reduction of such real estate taxes, rates or assessments with respect to a real estate tax fiscal year as to which Tenant contributed Tenant's share of Landlord's Tax Expenses, then, Tenant shall be entitled to receive its proportionate share of the net amount of any refund received or reduction obtained by Landlord to the extent allocable to the Term of this Lease. Tenant's entitlement to such refund amount shall survive the expiration of the Termpayments are made. Landlord will, upon the written request of Tenant, who together with other tenants lease at least fifty (50%) of the Total Rentable Floor Area of the Complex, at Landlord's election either (i) will apply for an abatement a payment in lieu of real estate taxes or tax agreement with the applicable municipal industrial development agency in accordance with the schedule attached hereto as Exhibit G (ii) allow such tenants to apply for abatements in their own name, or in Landlord's name, at their own cost (subject to such tenants' right to recover such costs on a first dollar basis from the abatement proceeds, if any“Pilot Schedule”). If such tenants apply for an abatement of real estate taxes, then Landlord shall have the right to be involved in each step of the abatement process, including, without limitation, Landlord's right to approve all filings in connection with such abatement proceedings (such approval not to be unreasonably withheld) and the right to attend all meetings between Tenant and its representatives and the representatives of the Town of Bedford. In addition, payments by Tenant on account of Landlord's Tax Expenses Allocable to the Premises anticipated for the then current year shall be made monthly at the time and in the fashion herein provided for the payment of fixed rent. The amount so to be paid to Landlord shall be an amount reasonably estimated by Landlord to be sufficient to provide Landlord, in the aggregate, a sum equal to Landlord's Tax Expenses Allocable to the Premises, at least ten (10) days before the day on which such payments by Landlord would become delinquent. To the extent that real estate taxes shall be payable to the taxing authority in installments with respect to periods less than a Tax Year, the foregoing statement shall be rendered and payments made on account of such installments. Terms used herein are defined as follows:.

Real Estate Taxes. For each Tax Year falling within the Term, Tenant Borrower shall pay and discharge, and shall cause its Subsidiaries and the Scandinavian Partnerships to Landlordpay and discharge, as Additional Rentand when due and payable, before any penalty attaches, all charges, impositions, levies, assessments and taxes (whether general, special or otherwise), water charges, sewer service charges and all other municipal or governmental charges, impositions, levies, assessments and taxes of any kind or nature that may be at any time levied, assessed or imposed upon or against any real property owned in fee by any Subsidiary or the Landlord's Tax Expenses Allocable Scandinavian Partnerships or in which any Subsidiary has a leasehold interest (but only to the Premises for extent Borrower or any Subsidiary is required to pay such corresponding Tax Yeartaxes in accordance with the terms of the lease), and for each fraction shall promptly deliver to Collateral Agent upon Collateral Agent's request therefor, duplicate receipts evidencing payment thereof prior to delinquency. Notwithstanding anything to the contrary in the foregoing, Borrower may contest any tax imposed, assessed, levied or due with respect to or from said real property, by instituting and diligently and in good faith prosecuting by appropriate judicial proceedings the validity or amount of a Tax Year falling within the Term at the beginning tax, charge, imposition or end thereofassessment (said tax, Tenant shall pay charge, imposition or assessment being hereinafter referred to Landlord, in this Section as Additional Rent, the product of "impositions") if (i) the contest or decision relating thereto will not and cannot result in the forfeiture of said real property or the Subsidiary's leasehold interest therein prior to or pending resolution of such Applicable fraction contest and the invalidity, forfeiture, loss of a Tax Year priority or unenforceability of Collateral Agent's mortgage lien on said real property or the Subsidiary's leasehold interest therein will not and cannot result from such contest or failure to pay such impositions, (ii) the Landlord's Tax Expenses Allocable no Event of Default shall exist hereunder, and (iii) prior to the Premises for the Tax Year in which said fraction occurs. Not later than ninety (90) days after Landlord's Tax Expenses Allocable to the Premises are determined for the first such Tax Year or fraction thereof commencement and for each succeeding Tax Year or fraction thereof during the Termduration of such proceeding, Landlord Borrower shall render Tenant a statement maintain adequate reserves on account of the failure to pay such imposition and/or the contest of the amount and/or validity thereof in reasonable detail certified by a representative accordance with GAAP. Upon resolution of Landlord showing for such contest, Borrower shall promptly pay the impositions then due. If, at any time during the continuance of the contest described in the preceding year sentence, said real property or fraction thereofthe Subsidiary's leasehold interest therein is, as in Collateral Agent's reasonable determination, in imminent danger of being forfeited, lost or rendered invalid or unenforceable, then, in any of said events, Borrower shall, at Collateral Agent's demand, use the case may beaforesaid reserve to pay such impositions and if such reserve is insufficient to pay in full the required payment, real estate taxes on the Buildings and the Site and abatements and refunds of any taxes and assessments. Expenditures for legal fees and for other expenses incurred in seeking the tax refund or abatement may be charged against the tax refund or abatement before the adjustments are made for the Tax Year. Said statement to be rendered to Tenant Borrower promptly shall also show for the preceding Tax Year or fraction thereof as the case may be the amounts of real estate taxes already paid by Tenant as Additional Rent, and pay the amount of real estate taxes remaining due from, or overpaid by, Tenant for the year or other period covered by the statement. Within thirty (30) days after the date of delivery of the foregoing statement, Tenant shall pay to Landlord the balance of the amounts, if any, required to be paid pursuant to the above provisions of this Section 2.7 with respect to the preceding Tax Year or fraction thereof, or Landlord shall credit any amounts due from it to Tenant pursuant to the provisions of this Section 2.7 against (x) monthly installments of fixed rent next thereafter coming due or (y) any sums then due from Tenant to Landlord under this Lease (or refund such portion of the over-payment as aforesaid if the Term has ended and Tenant has no further obligation to Landlord). In the event Landlord succeeds in obtaining a reduction of such real estate taxes, rates or assessments with respect to a real estate tax fiscal year as to which Tenant contributed Tenant's share of Landlord's Tax Expenses, then, Tenant shall be entitled to receive its proportionate share of the net amount of any refund received or reduction obtained by Landlord to the extent allocable to the Term of this Lease. Tenant's entitlement to such refund amount shall survive the expiration of the Term. Landlord will, upon the written request of Tenant, who together with other tenants lease at least fifty (50%) of the Total Rentable Floor Area of the Complex, at Landlord's election either (i) apply for an abatement of real estate taxes or (ii) allow such tenants to apply for abatements in their own name, or in Landlord's name, at their own cost (subject to such tenants' right to recover such costs on a first dollar basis from the abatement proceeds, if any). If such tenants apply for an abatement of real estate taxes, then Landlord shall have the right to be involved in each step of the abatement process, including, without limitation, Landlord's right to approve all filings in connection with such abatement proceedings (such approval not to be unreasonably withheld) and the right to attend all meetings between Tenant and its representatives and the representatives of the Town of Bedford. In addition, payments by Tenant on account of Landlord's Tax Expenses Allocable to the Premises anticipated for the then current year shall be made monthly at the time and in the fashion herein provided for the payment of fixed rent. The amount so to be paid to Landlord shall be an amount reasonably estimated by Landlord to be sufficient to provide Landlord, in the aggregate, a sum equal to Landlord's Tax Expenses Allocable to the Premises, at least ten (10) days before the day on which such payments by Landlord would become delinquent. To the extent that real estate taxes shall be payable to the taxing authority in installments with respect to periods less than a Tax Year, the foregoing statement shall be rendered and payments made on account of such installments. Terms used herein are defined as follows:insufficiency.

Real Estate Taxes. For each Tax Year falling within the Term, Tenant shall pay to Landlord, as Additional Rentadditional rent, for each tax period partially or wholly included in the term, payments on account of Taxes (as hereinafter defined) assessed against the Property during any fiscal tax year during the term (a "Tax Year"). Tenant shall remit to Landlord, on the first day of each calendar month, estimated payments on account of Taxes, such monthly amounts to be sufficient to provide Landlord, by the time real estate TAX payments are due and payable to any governmental authority responsible for collection of same, a sum equal to the Taxes, as reasonably estimated by Landlord from time to time on the basis of the most recent tax data available. The initial calculation of the monthly estimated payments shall be based upon the Initial Estimate of Taxes for the Tax Year and upon quarterly payments being due to the governmental authority on August 1, November 1, February 1 and May 1, and shall be made when the Commencement Date has been determined. Upon written request from Tenant to Landlord, Tenant shall have the right, within sixty (60) days following the end of each fiscal year, to review a copy of the tax bill for the preceding fiscal year at Landlord's offices. If the total of such monthly remittances for any Tax Expenses Allocable to Year is greater than the Premises actual Taxes for such corresponding Tax Year, and Landlord shall credit against the next accruing payments to be made by Tenant pursuant to this subsection 4.2.1, the difference, unless Tenant requests in writing that Landlord pay any such difference to Tenant; if the total of such remittances is less than the actual Taxes for each fraction of a such Tax Year falling within the Term at the beginning or end thereofYear, Tenant shall pay the difference to LandlordLandlord at least ten (10) days prior to the date or dates within such Tax Year that Taxes become due and payable to the governmental authority (but in any event no earlier than ten (10) days following a written notice to Tenant, which notice shall set forth the manner of computation of Tenant's Percentage of Taxes). Xf, after Tenant shall have made reimbursement to Landlord pursuant to this subsection 4.2.1, Landlord shall receive a refund of any portion of Taxes paid by Tenant with respect to any Tax Year during the term hereof as a result of an abatement of such Taxes by legal proceedings, settlement or otherwise (without either party having any obligation to undertake any such proceedings), Landlord shall credit against the next accruing payments to be made by Tenant pursuant to this subsection 4.2.1, such refund (less the expenses, including attorneys' fees and appraisers' fees, incurred in connection with obtaining any such refund), as Additional Rent, the product of (i) such Applicable fraction of a relates to Taxes paid by Tenant to Landlord with respect to any Tax Year and for which such refund is obtained, unless Tenant requests in writing that Landlord pay any such refund to Tenant. In the event this Lease shall commence, or shall end (ii) by reason of expiration of the Landlord's Tax Expenses Allocable term or earlier termination pursuant to the Premises for provisions hereof), on any date other than the first or last day of the Tax Year, or should the Tax Year in which said fraction occurs. Not later or period of assessment of real estate taxes be changed or be more or less than ninety one (901) days after Landlord's Tax Expenses Allocable to the Premises are determined for the first such Tax Year or fraction thereof and for each succeeding Tax Year or fraction thereof during the Term, Landlord shall render Tenant a statement in reasonable detail certified by a representative of Landlord showing for the preceding year or fraction thereofyear, as the case may be, real estate taxes on then the Buildings and the Site and abatements and refunds amount of any taxes and assessments. Expenditures for legal fees and for other expenses incurred in seeking the tax refund or abatement Taxes which may be charged against the tax refund or abatement before the adjustments are made for the Tax Year. Said statement to be rendered to Tenant shall also show for the preceding Tax Year or fraction thereof as the case may be the amounts of real estate taxes already paid payable by Tenant as Additional Rent, and the amount of real estate taxes remaining due from, or overpaid by, Tenant for the year or other period covered by the statement. Within thirty (30) days after the date of delivery of the foregoing statement, Tenant shall pay to Landlord the balance of the amounts, if any, required to be paid pursuant to the above provisions of provided in this Section 2.7 with respect to the preceding Tax Year or fraction thereof, or Landlord shall credit any amounts due from it to Tenant pursuant to the provisions of this Section 2.7 against (x) monthly installments of fixed rent next thereafter coming due or (y) any sums then due from Tenant to Landlord under this Lease (or refund such portion of the over-payment as aforesaid if the Term has ended and Tenant has no further obligation to Landlord). In the event Landlord succeeds in obtaining a reduction of such real estate taxes, rates or assessments with respect to a real estate tax fiscal year as to which Tenant contributed Tenant's share of Landlord's Tax Expenses, then, Tenant subsection 4.2.1 shall be entitled to receive its proportionate share of the net amount of any refund received or reduction obtained by Landlord to the extent allocable to the Term of this Lease. Tenant's entitlement to such refund amount shall survive the expiration of the Term. Landlord will, upon the written request of Tenant, who together with other tenants lease at least fifty (50%) of the Total Rentable Floor Area of the Complex, at Landlord's election either (i) apply for an abatement of real estate taxes or (ii) allow such tenants to apply for abatements in their own name, or in Landlord's name, at their own cost (subject to such tenants' right to recover such costs on a first dollar basis from the abatement proceeds, if any). If such tenants apply for an abatement of real estate taxes, then Landlord shall have the right to be involved in each step of the abatement process, including, without limitation, Landlord's right to approve all filings in connection with such abatement proceedings (such approval not to be unreasonably withheld) appropriately apportioned and the right to attend all meetings between Tenant and its representatives and the representatives of the Town of Bedford. In addition, payments by Tenant on account of Landlord's Tax Expenses Allocable to the Premises anticipated for the then current year shall be made monthly at the time and in the fashion herein provided for the payment of fixed rent. The amount so to be paid to Landlord shall be an amount reasonably estimated by Landlord to be sufficient to provide Landlord, in the aggregate, a sum equal to Landlord's Tax Expenses Allocable to the Premises, at least ten (10) days before the day on which such payments by Landlord would become delinquent. To the extent that real estate taxes shall be payable to the taxing authority in installments with respect to periods less than a Tax Year, the foregoing statement shall be rendered and payments made on account of such installments. Terms used herein are defined as follows:adjusted.

Real Estate Taxes. For each Tax Year falling within the Term, Tenant Lessee shall pay to Landlordas soon as they are due, as Additional Rent, Lessee's Percentage of all real estate taxes assessed against the Landlord's Tax Expenses Allocable to Demised Premises and Building Area. As used herein real estate taxes shall mean the Premises property taxes and assessments (including, but not limited to, all assessments, including special assessments, for such corresponding Tax Yearpublic improvements or benefit and water and sewer rents) imposed upon the Building and Building Area, or upon the Fixed Basic Rent and for each fraction of a Tax Year falling within the Term at the beginning or end thereof, Tenant shall pay to Landlord, as Additional Rent, as such, payable to Lessor, including, but not limited to, real estate, city, county, village, school, and transit taxes, or taxes, assessments, or charges levied, imposed, or assessed against the product of (i) such Applicable fraction of a Tax Year Building and (ii) the Landlord's Tax Expenses Allocable Building Area by any other taxing authority, whether general or specific, ordinary or extraordinary, foreseen or unforeseen. Subject to the Premises following sentence, Lessee shall have no obligation to pay any income, estate succession, inheritance, transfer and franchise taxes of Lessor. If due to a future change in the method of taxation, any franchise, income or profit tax shall be levied against Lessor in substitution for, or in lieu of, or in addition to, any tax which would otherwise constitute a real estate tax, such franchise, income or profit tax shall be deemed to be a real estate tax for the purpose hereof; conversely, any additional real estate tax hereafter imposed in substitution for, or in lieu of, any franchise, income or profit tax (which is not in substitution for, or in lieu of, or in addition to, a Real Estate Tax Year in which said fraction occursas hereinbefore provided) shall not be deemed a Real Estate Tax for the purposes hereof. Not later than ninety (90) days after Landlord's Tax Expenses Allocable Notwithstanding anything herein contained to the Premises are determined contrary, Lessor shall invoice Lessee monthly for 1/12th of Lessee's Percentage of the annual taxes and, Lessee shall promptly pay to Lessor together with all other Additional Rent and Basic Rent the required amount as may be adjusted from time to time. Lessee shall not have the right to institute a tax appeal on the Property without first obtaining Lessor's consent. Notwithstanding Lessor's consent, in the event Lessee's appeal shall result in an increase in the assessed value of the Property, then Lessee shall remain liable for the first increased tax liability for a period of three years after such Tax Year determination which obligation shall survive the expiration or fraction thereof and for each succeeding Tax Year or fraction thereof during the Term, Landlord shall render Tenant a statement in reasonable detail certified by a representative of Landlord showing for the preceding year or fraction thereof, as the case may be, real estate taxes on the Buildings and the Site and abatements and refunds of any taxes and assessments. Expenditures for legal fees and for other expenses incurred in seeking the tax refund or abatement may be charged against the tax refund or abatement before the adjustments are made for the Tax Year. Said statement to be rendered to Tenant shall also show for the preceding Tax Year or fraction thereof as the case may be the amounts of real estate taxes already paid by Tenant as Additional Rent, and the amount of real estate taxes remaining due from, or overpaid by, Tenant for the year or other period covered by the statement. Within thirty (30) days after the date of delivery of the foregoing statement, Tenant shall pay to Landlord the balance of the amounts, if any, required to be paid pursuant to the above provisions sooner termination of this Section 2.7 with respect to the preceding Tax Year or fraction thereof, or Landlord shall credit any amounts due from it to Tenant pursuant to the provisions of this Section 2.7 against (x) monthly installments of fixed rent next thereafter coming due or (y) any sums then due from Tenant to Landlord under this Lease (or refund such portion of the over-payment as aforesaid if the Term has ended and Tenant has no further obligation to Landlord)Lease. In the event Landlord succeeds in obtaining Lessor shall file a reduction of such real estate taxestax appeal which is ultimately successful, rates or assessments with respect to a real estate tax fiscal year as to which Tenant contributed Tenant's share of Landlord's Tax Expenses, then, Tenant Lessee shall be entitled obligated to receive reimburse Lessor its proportionate share of Percentage for all attorneys' fees and costs incurred in the net amount of any refund received or reduction obtained by Landlord appeal. Notwithstanding anything in the forgoing to the extent allocable to the Term of this Lease. Tenant's entitlement to such refund amount shall survive the expiration of the Term. Landlord will, upon the written request of Tenant, who together with other tenants lease at least fifty (50%) of the Total Rentable Floor Area of the Complex, at Landlord's election either (i) apply for an abatement of real estate taxes or (ii) allow such tenants to apply for abatements in their own name, or in Landlord's name, at their own cost (subject to such tenants' right to recover such costs on a first dollar basis from the abatement proceeds, if any). If such tenants apply for an abatement of real estate taxes, then Landlord shall have the right to be involved in each step of the abatement process, including, without limitation, Landlord's right to approve all filings in connection with such abatement proceedings (such approval not to be unreasonably withheld) and the right to attend all meetings between Tenant and its representatives and the representatives of the Town of Bedford. In addition, payments by Tenant on account of Landlord's Tax Expenses Allocable to the Premises anticipated for the then current year shall be made monthly at the time and in the fashion herein provided for the payment of fixed rent. The amount so to be paid to Landlord shall be an amount reasonably estimated by Landlord to be sufficient to provide Landlordcontrary, in the aggregateevent the assessed valuation within the first three Lease Years is changed to reflect a valuation exceeding $125.00 per square foot, a sum equal to LandlordLessor will take an appeal at Lessee's Tax Expenses Allocable to the Premises, at least ten (10) days before the day on which such payments by Landlord would become delinquent. To the extent that real estate taxes shall be payable to the taxing authority in installments with respect to periods less than a Tax Year, the foregoing statement shall be rendered cost and payments made on account of such installments. Terms used herein are defined as follows:expense.

Real Estate Taxes. For each If Taxes (as hereinafter defined) for any Tax Year falling within during the Termterm shall exceed Base Taxes, Tenant shall pay to reimburse Landlord, as Additional Rent, for Tenant’s Percentage of such excess (such amount hereinafter referred to as “Tax Excess”). Tenant shall remit to Landlord, on the first day of each calendar month, estimated payments on account of Tax Excess, such monthly amounts to be sufficient to provide Landlord's Tax Expenses Allocable , by the time real estate tax payments are due and payable to any governmental authority responsible for collection of same, a sum equal to the Premises Tax Excess, as reasonably estimated by Landlord from time to time on the basis of the most recent tax data available (it being understood that Tenant shall have at least ten [10] days’ prior notice before it shall be required pay any revised estimate of Tax Excess). If the total of such monthly remittances for any Tax Year is greater than the actual Tax Excess for such corresponding Tax year, Landlord shall promptly pay to Tenant, or if the term of this Lease has not expired or otherwise been terminated, credit against the next accruing payments to be made by Tenant pursuant to this subsection 4.2.1, the difference; if the total of such remittances is less than the actual Tax Excess for such Tax Year, and for each fraction of a Tax Year falling within the Term at the beginning or end thereof, Tenant shall pay the difference to LandlordLandlord at least ten (10) days prior to the date or dates within such Tax Year that any Taxes become due and payable to the governmental authority (but in any event no earlier than ten (10) days following a written notice to Tenant, which notice shall set forth the manner of computation of Tax Excess). If, after Tenant shall have made reimbursement to Landlord pursuant to this subsection 4.2.1, Landlord shall receive a refund of any portion of Taxes paid by Tenant with respect to any Tax Year during the term hereof as a result of an abatement of such Taxes by legal proceedings, settlement or otherwise (without Landlord having any obligation to undertake any such proceedings), Landlord shall promptly pay to Tenant, or credit against the next accruing payments to be made by Tenant pursuant to this subsection 4.2.1, the Tenant’s Percentage of the refund (less the proportional, pro rata expenses, including attorneys’ fees and appraisers’ fees, incurred in connection with obtaining any such refund), as Additional Rent, the product of (i) such Applicable fraction of a relates to Tax Excess paid by Tenant to Landlord with respect to any Tax Year and for which such refund is obtained. In the event this Lease shall commence, or shall end (ii) by reason of expiration of the Landlord's Tax Expenses Allocable term or earlier termination pursuant to the Premises for provisions hereof), on any date other than the first or last day of the Tax Year, or should the Tax Year in which said fraction occurs. Not later or period of assessment of real estate taxes be changed or be more or less than ninety one (901) days after Landlord's Tax Expenses Allocable to the Premises are determined for the first such Tax Year or fraction thereof and for each succeeding Tax Year or fraction thereof during the Term, Landlord shall render Tenant a statement in reasonable detail certified by a representative of Landlord showing for the preceding year or fraction thereofyear, as the case may be, real estate taxes on then the Buildings and the Site and abatements and refunds amount of any taxes and assessments. Expenditures for legal fees and for other expenses incurred in seeking the tax refund or abatement Tax Excess which may be charged against the tax refund or abatement before the adjustments are made for the Tax Year. Said statement to be rendered to Tenant shall also show for the preceding Tax Year or fraction thereof as the case may be the amounts of real estate taxes already paid payable by Tenant as Additional Rent, and the amount of real estate taxes remaining due from, or overpaid by, Tenant for the year or other period covered by the statement. Within thirty (30) days after the date of delivery of the foregoing statement, Tenant shall pay to Landlord the balance of the amounts, if any, required to be paid pursuant to the above provisions of provided in this Section 2.7 with respect to the preceding Tax Year or fraction thereof, or Landlord shall credit any amounts due from it to Tenant pursuant to the provisions of this Section 2.7 against (x) monthly installments of fixed rent next thereafter coming due or (y) any sums then due from Tenant to Landlord under this Lease (or refund such portion of the over-payment as aforesaid if the Term has ended and Tenant has no further obligation to Landlord). In the event Landlord succeeds in obtaining a reduction of such real estate taxes, rates or assessments with respect to a real estate tax fiscal year as to which Tenant contributed Tenant's share of Landlord's Tax Expenses, then, Tenant subsection 4.2.1 shall be entitled to receive its proportionate share of the net amount of any refund received or reduction obtained by Landlord to the extent allocable to the Term of this Lease. Tenant's entitlement to such refund amount shall survive the expiration of the Term. Landlord will, upon the written request of Tenant, who together with other tenants lease at least fifty (50%) of the Total Rentable Floor Area of the Complex, at Landlord's election either (i) apply for an abatement of real estate taxes or (ii) allow such tenants to apply for abatements in their own name, or in Landlord's name, at their own cost (subject to such tenants' right to recover such costs on a first dollar basis from the abatement proceeds, if any). If such tenants apply for an abatement of real estate taxes, then Landlord shall have the right to be involved in each step of the abatement process, including, without limitation, Landlord's right to approve all filings in connection with such abatement proceedings (such approval not to be unreasonably withheld) appropriately apportioned and the right to attend all meetings between Tenant and its representatives and the representatives of the Town of Bedford. In addition, payments by Tenant on account of Landlord's Tax Expenses Allocable to the Premises anticipated for the then current year shall be made monthly at the time and in the fashion herein provided for the payment of fixed rent. The amount so to be paid to Landlord shall be an amount reasonably estimated by Landlord to be sufficient to provide Landlord, in the aggregate, a sum equal to Landlord's Tax Expenses Allocable to the Premises, at least ten (10) days before the day on which such payments by Landlord would become delinquent. To the extent that real estate taxes shall be payable to the taxing authority in installments with respect to periods less than a Tax Year, the foregoing statement shall be rendered and payments made on account of such installments. Terms used herein are defined as follows:adjusted.

Real Estate Taxes. For each If at any time or from time to time during the term of this Lease, the Real Estate Taxes for or attributable to any Real Estate Tax Year falling within shall be in excess of the TermBase Real Estate Taxes, and/or if any new tax or increase of the effective rate of present taxes shall become effective after the date hereof but before the normal tax escalation provision shall take effect, the rent payable hereunder in respect of such year shall be increased by an amount equal to two percent (2%) of such excess and/or such new tax or increase (the "Tenant's Tax Share"). Tenant shall pay to Landlord, not later than the sixty (60) days prior to the tax due date, or such other date as Additional Rentmay be specified in writing to Tenant by Landlord, the LandlordTenant's Tax Expenses Allocable to the Premises Share for such corresponding year. Where at any time such amount has become payable to Landlord hereunder, in addition to such amount, subsequent monthly installments of rent shall be increased by an amount equal to one-twelfth (1/12) of the Tenant's Tax YearShare, and for each fraction of a Tax Year falling within the Term at the beginning or end thereof, Tenant shall pay such monthly amounts when paid to Landlord, as Additional Rent, the product of (i) such Applicable fraction of a Tax Year and (ii) the Landlord's Tax Expenses Allocable to the Premises for the Tax Year in which said fraction occurs. Not later than ninety (90) days after Landlord's Tax Expenses Allocable to the Premises are determined for the first such Tax Year or fraction thereof and for each succeeding Tax Year or fraction thereof during the Term, Landlord shall render be available (without interest) as a credit against subsequent obligations of Tenant a statement in reasonable detail certified by a representative of to Landlord showing for the preceding year or fraction thereof, as the case may be, real estate taxes on the Buildings and the Site and abatements and refunds of any taxes and assessmentsunder this Article. Expenditures for legal fees and for other expenses incurred in seeking the tax refund or abatement may be charged against the tax refund or abatement before the adjustments are made for the Tax Year. Said statement to be rendered Landlord shall furnish to Tenant shall also show for upon the preceding Tax Year or fraction thereof as the case may be the amounts specific written request of real estate taxes already paid Tenant copies of all notices of valuation and assessment and all tax bills received by Tenant as Additional Rent, and the amount of real estate taxes remaining due from, or overpaid by, Tenant for the year or other period covered by the statementLandlord. Within thirty (30) days after the date of delivery of the foregoing statement, Tenant shall pay to Landlord the balance as Additional Rent two percent (2%) of any expenses incurred by Landlord in obtaining or attempting to obtain a reduction of any Real Estate Taxes. Real Estate Taxes which are being contested by Landlord shall nevertheless be included for purposes of the amountscomputation of the liability of Tenant under this Article; provided, if anyhowever, required to be that in the event that Tenant shall have paid any amount of increased rent pursuant to the above provisions of this Section 2.7 with respect to the preceding Tax Year or fraction thereof, or Article and Landlord shall credit thereafter receive a refund of any amounts due from it to Tenant pursuant to the provisions of this Section 2.7 against (x) monthly installments of fixed rent next thereafter coming due or (y) any sums then due from Tenant to Landlord under this Lease (or refund such portion of the over-Real Estate Taxes on which such payment as aforesaid if shall have been based, Landlord shall pay to Tenant the Term has ended and Tenant has no further obligation to Landlord). In the event Landlord succeeds in obtaining a reduction appropriate portion of such real estate taxes, rates or assessments with respect to a real estate tax fiscal year as to which Tenant contributed Tenant's share of Landlord's Tax Expenses, then, Tenant shall be entitled to receive its proportionate share refund after deduction of the net amount of any refund received or reduction obtained by Landlord to the extent allocable to the Term of this Leaseaforementioned expenses. Tenant's entitlement to such refund amount shall survive the expiration of the Term. Landlord will, upon the written request of Tenant, who together with other tenants lease at least fifty (50%) of the Total Rentable Floor Area of the Complex, at Landlord's election either (i) apply for an abatement of real estate taxes or (ii) allow such tenants to apply for abatements in their own name, or in Landlord's name, at their own cost (subject to such tenants' right to recover such costs on a first dollar basis from the abatement proceeds, if any). If such tenants apply for an abatement of real estate taxes, then Landlord shall have no obligation to contest, object to or to litigate the right to be involved levying or imposition of any Real Estate Taxes and may settle, compromise, consent to, waive or otherwise determine in each step its discretion any Real Estate Taxes without notice to, consent or approval of the abatement process, including, without limitation, Landlord's right to approve all filings in connection with such abatement proceedings (such approval not to be unreasonably withheld) and the right to attend all meetings between Tenant and its representatives and the representatives of the Town of Bedford. In addition, payments by Tenant on account of Landlord's Tax Expenses Allocable to the Premises anticipated for the then current year shall be made monthly at the time and in the fashion herein provided for the payment of fixed rent. The amount so to be paid to Landlord shall be an amount reasonably estimated by Landlord to be sufficient to provide Landlord, in the aggregate, a sum equal to Landlord's Tax Expenses Allocable to the Premises, at least ten (10) days before the day on which such payments by Landlord would become delinquent. To the extent that real estate taxes shall be payable to the taxing authority in installments with respect to periods less than a Tax Year, the foregoing statement shall be rendered and payments made on account of such installments. Terms used herein are defined as follows:Tenant.

Real Estate Taxes. For each Tax Year falling within the Term, Tenant shall covenants to pay to Landlord, as Additional Rent, for each tax period partially or wholly included in the term, Tenant s Percentage of Taxes (as hereinafter defined). Tenant shall remit to Landlord's Tax Expenses Allocable , on the first day of each calendar month, estimated payments on account of Taxes, such monthly amounts to be sufficient to provide Landlord, by the time real estate tax payments are due and payable to any governmental authority responsible for collection of same, a sum equal to the Premises Tenant’s Percentage of Taxes, as reasonably estimated by Landlord from time to time on the basis of the most recent tax data available. The initial calculation of the monthly estimated payments shall be based upon the Initial Estimate of Tenant’s Percentage of Taxes for the Tax Year and upon quarterly payments being due to the governmental authority on August 1, November 1, February 1 and May 1, and shall be made when the Commencement Date has been determined. If the total of such monthly remittances for any Tax Year is greater than the Tenant’s Percentage of Taxes for such corresponding Tax year, Landlord shall promptly pay to Tenant, or credit against the next accruing payments to be made by Tenant pursuant to this subsection 4.2.1. the difference; if the total of such remittances is less than the Tenant’s Percentage of Taxes for such Tax Year, and for each fraction of a Tax Year falling within the Term at the beginning or end thereof, Tenant shall pay the difference to LandlordLandlord at least ten (10) days prior to the date or dates within such Tax Year that any Taxes become due and payable to the governmental authority (but in any event no earlier than ten (10) business days following a written notice to Tenant, which notice shall set forth the manner of computation of Tenant’s Percentage of Taxes). This section shall survive the expiration or earlier termination of the Lease. If, after Tenant shall have made reimbursement to Landlord pursuant to this subsection 4.2.1, Landlord shall receive a refund of any portion of Taxes paid by Tenant with respect to any Tax Year during the term hereof as a result of an abatement of such Taxes by legal proceedings, settlement or otherwise (without either party having any obligation to undertake any such proceedings), Landlord shall promptly pay to Tenant, or credit against the next accruing payments to be made by Tenant pursuant to this subsection 4.2.1, the Tenant’s Percentage of the refund (less the proportional, pro rata expenses, including attorneys’ fees and appraisers’ fees, incurred by Landlord in connection with obtaining any such refund), as Additional Rent, the product of (i) such Applicable fraction of a relates to Taxes paid by Tenant to Landlord with respect to any Tax Year and for which such refund is obtained. In the event this Lease shall commence, or shall end (ii) by reason of expiration of the Landlord's Tax Expenses Allocable term or earlier termination pursuant to the Premises for provisions hereof), on any date other than the first or last day of the Tax Year, or should the Tax Year in which said fraction occurs. Not later or period of assessment of real estate taxes be changed or be more or less than ninety one (901) days after Landlord's Tax Expenses Allocable to the Premises are determined for the first such Tax Year or fraction thereof and for each succeeding Tax Year or fraction thereof during the Term, Landlord shall render Tenant a statement in reasonable detail certified by a representative of Landlord showing for the preceding year or fraction thereofyear, as the case may be, real estate taxes on then the Buildings and the Site and abatements and refunds amount of any taxes and assessments. Expenditures for legal fees and for other expenses incurred in seeking the tax refund or abatement Taxes which may be charged against the tax refund or abatement before the adjustments are made for the Tax Year. Said statement to be rendered to Tenant shall also show for the preceding Tax Year or fraction thereof as the case may be the amounts of real estate taxes already paid payable by Tenant as Additional Rent, and the amount of real estate taxes remaining due from, or overpaid by, Tenant for the year or other period covered by the statement. Within thirty (30) days after the date of delivery of the foregoing statement, Tenant shall pay to Landlord the balance of the amounts, if any, required to be paid pursuant to the above provisions of provided in this Section 2.7 with respect to the preceding Tax Year or fraction thereof, or Landlord shall credit any amounts due from it to Tenant pursuant to the provisions of this Section 2.7 against (x) monthly installments of fixed rent next thereafter coming due or (y) any sums then due from Tenant to Landlord under this Lease (or refund such portion of the over-payment as aforesaid if the Term has ended and Tenant has no further obligation to Landlord). In the event Landlord succeeds in obtaining a reduction of such real estate taxes, rates or assessments with respect to a real estate tax fiscal year as to which Tenant contributed Tenant's share of Landlord's Tax Expenses, then, Tenant subsection 4.2.1 shall be entitled to receive its proportionate share of the net amount of any refund received or reduction obtained by Landlord to the extent allocable to the Term of this Lease. Tenant's entitlement to such refund amount shall survive the expiration of the Term. Landlord will, upon the written request of Tenant, who together with other tenants lease at least fifty (50%) of the Total Rentable Floor Area of the Complex, at Landlord's election either (i) apply for an abatement of real estate taxes or (ii) allow such tenants to apply for abatements in their own name, or in Landlord's name, at their own cost (subject to such tenants' right to recover such costs on a first dollar basis from the abatement proceeds, if any). If such tenants apply for an abatement of real estate taxes, then Landlord shall have the right to be involved in each step of the abatement process, including, without limitation, Landlord's right to approve all filings in connection with such abatement proceedings (such approval not to be unreasonably withheld) appropriately apportioned and the right to attend all meetings between Tenant and its representatives and the representatives of the Town of Bedford. In addition, payments by Tenant on account of Landlord's Tax Expenses Allocable to the Premises anticipated for the then current year shall be made monthly at the time and in the fashion herein provided for the payment of fixed rent. The amount so to be paid to Landlord shall be an amount reasonably estimated by Landlord to be sufficient to provide Landlord, in the aggregate, a sum equal to Landlord's Tax Expenses Allocable to the Premises, at least ten (10) days before the day on which such payments by Landlord would become delinquent. To the extent that real estate taxes shall be payable to the taxing authority in installments with respect to periods less than a Tax Year, the foregoing statement shall be rendered and payments made on account of such installments. Terms used herein are defined as follows:adjusted.

Real Estate Taxes. For each Tax Year falling within the Term, Tenant shall pay to Landlordpay, as Additional RentRent hereunder, the Landlord's Tax Expenses Allocable to the Premises for such corresponding Tax Year, and for each fraction of a Tax Year falling within the Term at the beginning or end thereof, Tenant shall pay to Landlord, as Additional Rent, the product of (i) such Applicable fraction all taxes assessed against Landlord or Tenant arising from the installation and use of a Tax Year the Tenant's personal property, and (ii) Tenant's Percentage of the Landlord's Tax Expenses Allocable real estate taxes imposed, assessed or levied upon the Land and Building ((i) and (ii) collectively "Taxes"). If this Lease shall terminate within a calendar year, Tenant, for that calendar year, shall pay to Landlord only such portion of such Additional Rent for the whole calendar year as shall be proportionate to the Premises for portion of the Tax Year calendar year expired at such termination. Nothing contained in which said fraction occurs. Not later than ninety (90) days after this Lease shall require Tenant to pay any franchise, corporate, estate, inheritance, succession, capital levy or transfer tax of Landlord's Tax Expenses Allocable to , or any income or profits tax or charge upon the Premises are determined for the first such Tax Year or fraction thereof and for each succeeding Tax Year or fraction thereof rent payable by Tenant under this Lease; provided, however, that if, at any time during the Term, Landlord under the laws of the United States or any state or political subdivision thereof in which the Premises are situated, there shall render Tenant be adopted some other method of taxation on real estate as a statement substitute in reasonable detail certified whole or in part for taxes on real estate as now constituted, such as a tax on the rent, additional rent, and other charges by whatever name called payable by tenants of the Building (which substitute tax on the rent, additional rent, or other charges or other substitute method of taxation are hereinafter collectively referred to as "Substitute Taxes"), Tenant, to the extent that such Substitute Taxes are a representative means of Landlord showing for raising revenue from real estate, shall pay Tenant's Percentage of the preceding year or fraction thereof, Substitute Taxes as soon as the case may be, same shall become due and payable. There shall be treated as "real estate taxes on the Buildings and the Site and abatements and refunds of any taxes and assessments. Expenditures for legal fees and for other taxes" hereunder all expenses reasonably incurred by Landlord in seeking the tax refund good faith in obtaining or abatement may be charged against the tax refund or abatement before the adjustments are made for the Tax Year. Said statement attempting to be rendered to Tenant shall also show for the preceding Tax Year or fraction thereof as the case may be the amounts of real estate taxes already paid by Tenant as Additional Rent, and the amount of real estate taxes remaining due fromobtain a reduction in such taxes, or overpaid byin assessments, Tenant for the year or other period covered by the statement. Within thirty (30) days after the date of delivery of the foregoing statement, Tenant shall pay to Landlord the balance of the amounts, if any, required to be paid pursuant to the above provisions of this Section 2.7 with respect to the preceding Tax Year or fraction thereof, or Landlord shall credit any amounts due from it to Tenant pursuant to the provisions of this Section 2.7 against (x) monthly installments of fixed rent next thereafter coming due or (y) any sums then due from Tenant to Landlord under this Lease (or refund such portion of the over-payment as aforesaid if the Term has ended and Tenant has no further obligation to Landlord)including reasonable legal fees. In the event Landlord succeeds in obtaining obtains a reduction of such in a prior year's real estate taxes, rates or assessments with respect to a real estate tax fiscal year as to which and provided Tenant contributed Tenant's has paid its allocated share of Landlord's Tax Expensesthereof, thenif any, Tenant shall be entitled to receive a credit (or reimbursement if the Lease has expired or been terminated) for its proportionate appropriate share of the such reduction (net amount of Tenant's share of any refund received or reduction obtained costs of obtaining the same, including legal fees, not previously paid by Landlord to the extent allocable to the Term of this Lease. Tenant's entitlement to such refund amount shall survive the expiration Xxxxxx as part of the Term. Landlord will, upon the written request of Tenant, who together with other tenants lease at least fifty (50%) of the Total Rentable Floor Area of the Complex, at Landlord's election either (i) apply for an abatement of real estate taxes or (ii) allow such tenants to apply for abatements in their own name, or in Landlord's name, at their own cost (subject to such tenants' right to recover such costs on a first dollar basis from the abatement proceeds, if anyhereunder). If such tenants apply for an abatement of real estate taxes, then Landlord shall have the right to be involved in each step of the abatement process, including, without limitation, Landlord's right to approve all filings in connection with such abatement proceedings (such approval not to be unreasonably withheld) and the right to attend all meetings between Tenant and its representatives and the representatives of the Town of Bedford. In addition, payments by Tenant on account of Landlord's Tax Expenses Allocable to the Premises anticipated for the then current year shall be made monthly at the time and in the fashion herein provided for the payment of fixed rent. The amount so to be paid to Landlord shall be an amount reasonably estimated by Landlord to be sufficient to provide Landlord, in the aggregate, a sum equal to Landlord's Tax Expenses Allocable to the Premises, at least ten (10) days before the day on which such payments by Landlord would become delinquent. To the extent that real estate taxes shall be payable to the taxing authority in installments with respect to periods less than a Tax Year, the foregoing statement shall be rendered and payments made on account of such installments. Terms used herein are defined as follows:.