Common use of Services by Landlord Clause in Contracts

Services by Landlord. 10.01 Landlord shall furnish the following services to the Premises and the Parcel: (a) Keep in operation in the Building a heating apparatus during such periods as same may be necessary to maintain an inside temperature at 70 degrees at a minimum outside temperature of 0 degrees dry bulb between the 15th day of October and the 1st day of May of each year and an air conditioning system during such periods as same may be necessary to maintain an inside temperature of 78 degrees when the outside temperature is at a maximum of 94 degrees dry bulb to be operated throughout the term of this Lease or any renewal hereof, between the hours of 8:00 a.m. to 6:00 p.m., Monday through Friday (Legal Holidays excepted as set forth in Exhibit "F"), subject, however, to governmental requirements. Landlord, at its cost, at the inception of this Lease, will furnish a light bulb or bulbs or fluorescent tube or tubes, as the case may be, and standard ballasts, for each lighting fixture then installed on the Premises. landlord shall provide and reserves the right to make reasonable additional charges, payable as Additional Rent, for services furnished at the request of Tenant on days or at times other than those above defined as provided in Section 6.04 (d). Notwithstanding the foregoing, Tenant shall have the right to enter and use the Premises at all hours and times in which event Tenant agrees to keep all outside doors locked. (b) Furnish cold water (at the normal temperature of the water supply to the Building) to the Building for drinking and lavatory purposes and hot water (from the regular Building supply at prevailing temperatures) to the Building for lavatory purposes. (c) Cause the Premises to be cleaned after normal business hours in accordance with the Cleaning Specifications as set forth in Exhibit "E". (d) Make such repairs and replacements to the Premises as reasonably required (Tenant shall solely be responsible for the payment of the cost of same, if required, due to the negligence, misuse, abuse or willful misconduct of Tenant, its agents, servants or employees, invitees, subtenants, contractors or assigns). (e) Provide window washing, landscaping, including lawn maintenance, snow removal from sidewalks, driveways and parking areas and directory board maintenance.

Services by Landlord. 10.01 Landlord shall furnish agrees to provide to Tenant the following services to the Premises and the Parcelservices: (a) Keep in operation in General cleaning and janitorial service required as a result of normal, prudent use of the Building a heating apparatus during Demised Premises and only on Mondays through Fridays, inclusive, with New Year's Day, Memorial Day, Independence Day, Labor Day, Thanksgiving Day, Christmas Day and such periods as same may be necessary to maintain an inside temperature at 70 degrees at a minimum outside temperature of 0 degrees dry bulb between other holidays which are observed locally by national banks (herein collectively called the 15th day of October and the 1st day of May of each year and an air conditioning system during such periods as same may be necessary to maintain an inside temperature of 78 degrees when the outside temperature is at a maximum of 94 degrees dry bulb to be operated throughout the term of this Lease or any renewal hereof, between the hours of 8:00 a.m. to 6:00 p.m., Monday through Friday (Legal Holidays excepted as set forth in Exhibit "FHolidays"), subject, however, to governmental requirements. Landlord, at its cost, at the inception of this Lease, will furnish a light bulb or bulbs or fluorescent tube or tubes, as the case may be, and standard ballasts, for each lighting fixture then installed on the Premises. landlord shall provide and reserves the right to make reasonable additional charges, payable as Additional Rent, for services furnished at the request of Tenant on days or at times other than those above defined as provided in Section 6.04 (d). Notwithstanding the foregoing, Tenant shall have the right to enter and use the Premises at all hours and times in which event Tenant agrees to keep all outside doors locked) excepted. (b) Furnish cold water (Heating and air-conditioning service daily on Monday through Fridays, inclusive, with Holidays excepted, from 8:00 A.M. to 6:00 P.M. and on Saturdays, if not a Holiday, from 8:00 A.M. to 1:00 P.M. Landlord reserves the right to prohibit the use of machines and equipment that generate excessive heat in their operation. Should Tenant desire either heating or air-conditioning at times when such services are not furnished by Landlord under the normal temperature terms of the water supply this Lease, Landlord will furnish such services as requested by Tenant upon not less than 24 hours notice from Tenant, at Tenant's expense and at such hourly charge as is from time to the Building) to the Building time determined by Landlord. Payments for drinking such additional services shall be deemed Additional Rental due from Tenant and lavatory purposes shall be due and hot water (from the regular Building supply at prevailing temperatures) to the Building for lavatory purposes.payable on demand; (c) Cause the Premises Elevator service daily on Mondays through Fridays, inclusive, with Holidays excepted, and 8:00 A.M. to 6:00 P.M. and on Saturdays, if not a Holiday, from 8:00 A.M. to 1:00 P.M. At least one elevator shall be cleaned after normal business hours in accordance with the Cleaning Specifications as set forth in Exhibit "E".operative at all other hours; and (d) Make such repairs Electric current for lighting and replacements to reasonable facilities for furnishing usual and normal electric power for medical office space. Tenant shall not, without Landlord's prior written consent, use any equipment, including, diagnostic equipment, X-ray machines, or any other machines which use electric current in excess of 110 volts, which will increase the amount of electricity ordinarily furnished for the use of the Premises as reasonably required (medical office space or which requires clean circuits or other special distribution circuits. Landlord's consent for Tenant's use of such equipment shall be conditioned upon Tenant and Landlord agreeing upon the amount Tenant shall solely be responsible pay each month for the payment of the cost of same, if required, due to the negligence, misuse, abuse or willful misconduct of Tenant, its agents, servants or employees, invitees, subtenants, contractors or assigns)increased electrical consumption. (e) Provide window Water shall be provided to the Demised Premises in an amount sufficient for private toilets and for hand washing. The cost of any water used in excess of such amount shall be reimbursed to Landlord on demand as Additional Rental, landscapingwith the amount and cost of such excess determined by Landlord in its reasonable discretion. (f) Upon Landlord determining Tenant is using utility services that are not consistent with normal office usage, including lawn maintenanceLandlord reserves the right to install separate metering devices, snow removal from sidewalksat Tenant's expense, driveways and parking areas and directory board maintenanceto charge Tenant for the cost of all excess or after-hours use of services.

Services by Landlord. 10.01 Landlord shall cause to be furnished to the Premises, during the hours of 7:00 A.M. to 6:00 P.M., Monday through Friday, and 8:00 a.m. to 1:00 p.m. on Saturday each and every week (excluding New Year's Day, Memorial Day, Independence Day, Labor Day, Thanksgiving Day and Christmas Day) for all areas of the Premises (collectively, "Standard Hours of Operation") the following services: janitorial services (as described in Exhibit N attached hereto); water for drinking, lavatory and toilet purposes on each floor; operatorless elevator service; trash removal in accordance with city schedules; electricity for general office space use; and heating, ventilation and air conditioning sufficient for the reasonable comfort of the occupants of the Premises, provided heating, ventilation, and cooling conforming to any valid governmental regulation prescribing limitations thereon shall be deemed to comply with this service. Landlord shall furnish the following services to Premises with sufficient and proper electricity for routine usage and lighting, which includes, but is not limited to, the operation of general office machines, such as electric typewriters, personal computers, word processing equipment, dictating equipment, calculating machines, work station peripherals, printers, and general service non-production type office copy machines. Landlord shall further maintain, service and replace building standard fluorescent lighting fixtures, including the replacement of fluorescent bulbs, and all other lighting fixtures, lamps and controls. Tenant shall not install equipment with unusual demands for any of the foregoing without Landlord's prior written consent, which Landlord may withhold if it determines that in its reasonable opinion such equipment may not be safely used in the Premises and the Parcel: (a) Keep in operation in the Building a heating apparatus during such periods as same may be necessary to maintain an inside temperature at 70 degrees at a minimum outside temperature of 0 degrees dry bulb between the 15th day of October and the 1st day of May of each year and an air conditioning system during such periods as same may be necessary to maintain an inside temperature of 78 degrees when the outside temperature or that electrical service is at a maximum of 94 degrees dry bulb to be operated throughout the term of this Lease not adequate therefor. If heat generating machines or any renewal hereof, between the hours of 8:00 a.m. to 6:00 p.m., Monday through Friday (Legal Holidays excepted equipment other than as set forth or contemplated above shall be used in Exhibit "F")the Premises by Tenant which affect the temperature otherwise maintained by the heating and air conditioning system, subject, however, to governmental requirements. Landlord, at its cost, at the inception of this Lease, will furnish a light bulb or bulbs or fluorescent tube or tubes, as the case may be, and standard ballasts, for each lighting fixture then installed on the Premises. landlord shall provide and reserves the right to make reasonable additional charges, payable as Additional Rent, for services furnished at the request of Tenant on days or at times other than those above defined as provided in Section 6.04 (d). Notwithstanding the foregoing, Tenant Landlord shall have the right to enter and use install supplemental air conditioning units in the Premises at all hours and times in which event the actual cost thereof, including the cost of engineering, installation, operation and maintenance thereof, shall be paid by Tenant agrees to keep all outside doors locked. within thirty (b30) Furnish cold water (at the normal temperature days of the water supply to the Building) to the Building for drinking and lavatory purposes and hot water (from the regular Building supply at prevailing temperatures) to the Building for lavatory purposes. (c) Cause the Premises to be cleaned after normal business hours in accordance with the Cleaning Specifications as set forth in Exhibit "E". (d) Make such repairs and replacements to the Premises as reasonably required (Tenant demand therefor by Landlord. Landlord shall solely be responsible for the payment maintenance, replacement and repair of the cost common areas of sameand around the Building, if requiredstructural components of the Building, due to the negligenceincluding, misusebut not limited to, abuse or willful misconduct of Tenantroof, its agentselevators, servants or employeesand plumbing, inviteesheating, subtenantsair conditioning, contractors or assigns)ventilation and electrical distribution systems. (e) Provide window washing, landscaping, including lawn maintenance, snow removal from sidewalks, driveways and parking areas and directory board maintenance.

Services by Landlord. 10.01 Landlord shall will furnish the following services (in a manner comparable to those furnished to properties of similar quality in Addison or Dallas, Texas) to the Premises and the Parcel: (a) Keep in operation in the Building a air conditioning, both heating apparatus during such periods as same may be necessary and cooling, from 7:00 a.m. to maintain an inside temperature at 70 degrees at a minimum outside temperature of 0 degrees dry bulb between the 15th day of October 6:00 p.m. on weekdays and the 1st day of May of each year and an air conditioning system during such periods as same may be necessary to maintain an inside temperature of 78 degrees when the outside temperature is at a maximum of 94 degrees dry bulb to be operated throughout the term of this Lease or any renewal hereof, between the hours of from 8:00 a.m. to 6:00 p.m., Monday through Friday 12:00 p.m. on Saturdays (Legal Holidays excepted except on holidays) and at such temperatures and in such amounts as set forth may in Exhibit "F"), subject, however, to governmental requirementsthe reasonable judgment of Landlord be required for comfortable use and occupancy under normal business operations. Landlord, If Tenant requires air conditioning at its cost, at the inception of this Lease, will furnish a light bulb or bulbs or fluorescent tube or tubes, as the case may be, and standard ballasts, for each lighting fixture then installed on the Premises. landlord shall provide and reserves the right to make reasonable additional charges, payable as Additional Rent, for services furnished at the request of Tenant on days or at times any time other than those above defined as provided in Section 6.04 (d). Notwithstanding the foregoinghours and the days specified above, Tenant shall have deliver a written request to the right to enter and use superintendent of the Premises at all hours and times in which event Tenant agrees to keep all outside doors locked. Building before 3:00 p.m. of the business day preceding the extra usage, (b) Furnish cold water (at the normal temperature of the supply of water supply to the Building) to the Building for drinking lavatory and lavatory toilet purposes and hot water (from the regular Building supply at prevailing temperatures) for lavatory purposes, (c) restroom facilities (including handicap restroom facilities), (d) electric lighting for all public areas and special service areas of the Building in the manner and to the extent deemed by Landlord to be reasonable and standard including replacement of Building standard light bulbs and tubes, (e) janitor and maid service to the Premises on weekdays other than holidays, (f) exterior window washing, (g) cleaning and maintenance of parking areas, exterior walkways and landscaping, (h) non-exclusive passenger elevator service, (i) routine maintenance and replacement of light bulbs in the Common Areas, (j) light and fluorescent bulb replacement in the Premises (at Tenant’s cost), (k) access control cards (to include allowing Tenant access to the Building during other than normal business hours), (l) vermin and pest control services and (m) fire sprinkler systems. Electricity in such amounts as is customarily used for lavatory purposes. (c) Cause general office purposes will be furnished during normal business hours by Landlord at its sole cost as part of the Fixed Base Rent due under this Lease, and Landlord shall install a sub-meter for the Premises to be cleaned after normal business measure the after-hours in accordance with the Cleaning Specifications as set forth in Exhibit "E". (d) Make such repairs and replacements to electricity used at the Premises as reasonably required (“After-Hours Electricity”). Within ten (10) days of Landlord’s delivery of a statement detailing the cost for After-Hours Electricity, Tenant shall solely be responsible reimburse Landlord for one hundred (100%) of such After-Hours Electricity costs. Notwithstanding the foregoing, in the event Landlord determines that Tenant is using after-hours HVAC service in excess of general office standards, Landlord shall have the right to charge Tenant a reasonable fee for the payment of the cost of same, if required, due to the negligence, misuse, abuse or willful misconduct of Tenant, its agents, servants or employees, invitees, subtenants, contractors or assigns)maintenance and repair commensurate with such after-hours HVAC use. (e) Provide window washing, landscaping, including lawn maintenance, snow removal from sidewalks, driveways and parking areas and directory board maintenance.

Services by Landlord. 10.01 Landlord Landlord, subject to payment by Tenant as specified below, shall furnish the following services to for the Premises and occupied portions of the ParcelPremises: (a) Keep in operation in Air conditioning, both heating and cooling (as required by the Building a heating apparatus during such periods as same may be necessary seasons), from 7:00 a.m. to maintain an inside temperature at 70 degrees at a minimum outside temperature of 0 degrees dry bulb between the 15th day of October 7:00 p.m. on weekdays and the 1st day of May of each year and an air conditioning system during such periods as same may be necessary to maintain an inside temperature of 78 degrees when the outside temperature is at a maximum of 94 degrees dry bulb to be operated throughout the term of this Lease or any renewal hereof, between the hours of on Saturdays from 8:00 a.m. to 6:00 12:OO p.m., Monday through Friday except on Holidays (Legal Holidays excepted as set forth defined in Exhibit "F"), subject, however, to governmental requirementsC) (the HVAC Standard Hours) at temperatures and in amounts as are in the sole judgment of Landlord reasonably required for comfortable use and occupancy under normal business operations. Landlord, at its cost, at the inception of this Lease, will furnish a light bulb or bulbs or fluorescent tube or tubes, as the case may be, and standard ballasts, for each lighting fixture then installed on the Premises. landlord shall provide and reserves the right to make reasonable additional charges, payable as Additional Rent, for services furnished at the request of Tenant on days or at times Circulating air is not available other than those above defined as provided through the Building’s HVAC system. Landlord has no obligation to redesign the existing method of operation of the Building’s HVAC system. If Tenant requires HVAC services at any time other than HVAC Standard Hours, Landlord shall furnish the services for the portions of the Premises specified in Section 6.04 (d)a request by Tenant received by the Project manager before 3:00 p.m. of the business day preceding the date extra usage is required. Notwithstanding the foregoing, Tenant shall have pay Landlord as additional Rent for extra service the right to enter and use the Premises at all hours and times greater of (1) Landlord’s actual cost for such service, including any administrative costs incurred by Landlord in which event Tenant agrees to keep all outside doors locked.providing such service or (2) $20.00 per hour of service; (b) Furnish cold Cold and hot water (at the normal temperature of the water supply to the Building) for lavatory and toilet purposes, with water service to be at supply points provided for general use of tenants of the Building for drinking and lavatory purposes and hot water (from the regular Building supply at prevailing temperatures) to the Building for lavatory purposes.through fixtures installed by Landlord, or by Tenant with Landlord’s prior consent; (c) Cause Janitor service to the Premises to be cleaned after normal business hours in accordance with the Cleaning Specifications as set forth in Exhibit "E".on days other than Fridays, Saturdays, and Holidays; (d) Make such repairs and replacements to the Premises Window washing as reasonably required (Tenant shall solely be responsible for the payment of the cost of same, if required, due to the negligence, misuse, abuse or willful misconduct of Tenant, determined by Landlord in its agents, servants or employees, invitees, subtenants, contractors or assigns).reasonable discretion; (e) Provide window washingOperator-less passenger elevators for ingress and egress to and from the floor(s) on which the Premises are located (provided that Landlord may reasonably limit the number of elevators to be in operation on Saturdays, landscapingSundays, including lawn maintenanceand Holidays) and, snow removal to the extent available, freight elevator service in common with other tenants but only when scheduled through the Project manager; (f) Common area rest room facilities; and (g) Electric lighting for all common areas of the Building in the manner and to the extent deemed by Landlord to be reasonable and standard. Building Standard Hours are weekdays, excluding Holidays, from sidewalks, driveways 7:00 a.m. to 7:00 p.m. and parking areas and directory board maintenanceSaturdays from 8:00 a.m. to 12:OOp.m. Landlord may lock the Building at all times other than during Building Standard Hours.

Services by Landlord. 10.01 Landlord shall furnish the following services cause to be furnished to the Premises and the Parcel: (a) Keep Premises, in operation in the Building a heating apparatus common with other tenants, during such periods as same may be necessary to maintain an inside temperature at 70 degrees at a minimum outside temperature of 0 degrees dry bulb between the 15th day of October and the 1st day of May of each year and an air conditioning system during such periods as same may be necessary to maintain an inside temperature of 78 degrees when the outside temperature is at a maximum of 94 degrees dry bulb to be operated throughout the term of this Lease or any renewal hereof, between the business hours of 8:00 a.m. A.M. to 6:00 p.m.P.M., Monday through Friday (Legal Holidays excepted as set forth in Exhibit "F"excluding National and State holidays), subjectthe following services; janitorial services (once per working day after normal working hours), howeverwater (if available from city mains) for drinking, lavatory and toilet purposes, operatorless elevator service and, to Suite 200, heating and air conditioning for the reasonably comfortable use and occupancy of the Premises, provided heating and cooling conforming to any governmental requirementsregulation prescribing limitations thereon shall be deemed to comply with this service. LandlordLandlord shall furnish Suite 200 of the Premises with electricity for the maintenance of building standard fluorescent lighting composed of 2' x 4' fixtures. Incandescent fixtures, table lamps, all lighting other than the aforesaid building standard fluorescent light, dimmers and all lighting controls other than controls for the aforesaid building standard fluorescent lighting shall be serviced, replaced and maintained at its costTenant's expense. Landlord shall also furnish Suite 200 of the Premises with electricity for lighting for the aforesaid building standard fluorescent lighting and for the operation of general office machines, at the inception of this Leasesuch as electric typewriters, will furnish a light bulb or bulbs or fluorescent tube or tubesdesk top computers, as the case may beword processing equipment, dictating equipment, adding machines and calculators, and standard ballasts, for each lighting fixture then installed on the Premisesgeneral service non-production type office copy machines. landlord shall provide and reserves the right to make reasonable additional charges, payable as Additional Rent, for services furnished at the request of Tenant on days or at times other than those above defined as provided in Section 6.04 (d). Notwithstanding the foregoing, Tenant Landlord shall have the right to enter and use inspect the Premises and all electrical devices therein from time to time, provided that Landlord shall have no obligation to provide more than fifty (50) circuits of electricity for convenience outlets serving Suite 200 of the Premises. After hours heating and air conditioning is available to Suite 200 at a charge of $25.00 per hour, per zone, with a minimum of two (2) hours per occurrence. All additional costs resulting from Tenant's extraordinary usage of heating, air conditioning or electricity shall be paid by Tenant upon demand as Additional Rent for each month or portion thereof, and Tenant shall not install equipment with unusual demands for any of the foregoing without Landlord's prior written consent, which Landlord may withhold if it determines that in its opinion such equipment may not be safely used in the Premises or that electrical service is not adequate therefor. Provided however, Tenant may install a supplemental HVAC unit to serve the Premises or other high demand equipment at its own cost and expense. The supplemental HVAC unit or high demand equipment shall be approved by Landlord and shall be installed in a location approved by Landlord and, if installed in Suite 200, separately metered by an E/mon D/mon, or equivalent, meter. Tenant shall pay all hours costs involved in installing and times maintaining the supplemental HVAC unit and/or equipment and related meter, including purchase, installation, maintenance, removal and restoration costs (if Landlord requires removal at the end of the Lease Term), and monthly utility bills read from the meter in which event Suite 200 by Landlord. Monthly utility bills from the meter shall be paid in the same manner as Rent under Section Four of this Lease and subject to the same penalties for nonpayment or late payment. At Landlord's option, upon expiration of the Lease the Tenant agrees to keep all outside doors locked. (b) Furnish cold water (at Tenant's expense) shall remove from the normal temperature Premises any separate panel, meter, and all associated wiring related to the HVAC unit and high demand equipment, and shall restore that portion of the water supply Premises to Building standard conditions. If heat generating machines or equipment shall be used in the BuildingPremises by Tenant which affect the temperature otherwise maintained by the heating and air conditioning system, Landlord shall have the right to install supplemental air conditioning units in the Premises and the cost thereof, including the cost of engineering and installation, and the cost of operation and maintenance thereof, shall be paid by Tenant upon demand by Landlord. Landlord shall further provide a reasonable pro rata amount of unreserved free parking, (three (3) spaces for each one thousand (1,000) square foot of the Premises) in common with the other tenants, for Tenant's employees and visitors. Suite 102 of the Premises shall have a separate electrical meter and Tenant shall be directly responsible for electrical charges to Suite 102. Landlord shall provide up to twenty-two (22) circuits for convenience outlets serving Suite 102. So long as Landlord acts reasonably and in good faith, there shall be no abatement or reduction of Rent by reason of any of the foregoing services not being continuously provided to Tenant. Tenant shall report immediately to Landlord any defective condition in or about the Premises known to Tenant and if such defect is not so reported and such failure to promptly report results in other damage, Tenant shall be liable for same. Landlord shall not be liable to Tenant for any damage caused to Tenant and its property due to the Building for drinking and lavatory purposes and hot water (or any part or appurtenance thereof being improperly constructed or being or becoming out of repair, or arising from the regular Building supply at prevailing temperatures) leaking of gas, water, sewer or steam pipes, or from electricity; provided however, Tenant does not waive its rights to specific performance or other remedies if the Building for lavatory purposes. (c) Cause the Premises to be cleaned after normal business hours in accordance with the Cleaning Specifications foregoing services are not provided as set forth in Exhibit "E"above. (d) Make such repairs and replacements to the Premises as reasonably required (Tenant shall solely be responsible for the payment of the cost of same, if required, due to the negligence, misuse, abuse or willful misconduct of Tenant, its agents, servants or employees, invitees, subtenants, contractors or assigns). (e) Provide window washing, landscaping, including lawn maintenance, snow removal from sidewalks, driveways and parking areas and directory board maintenance.

Services by Landlord. 10.01 So long as Tenant is not in default under this Lease, and subject to the conditions and standards contained in this Lease and to standards, limitations and guidelines imposed by governmental authorities and utility companies, Landlord shall will furnish or cause to be furnished, while Tenant is occupying the Premises, the following services to the Premises and the Parcelutilities: (a) Keep in operation in the Building a heating apparatus during such periods as same may be necessary to maintain an inside temperature at 70 degrees at a minimum outside temperature of 0 degrees dry bulb between the 15th day of October and the 1st day of May of each year and an air conditioning system during such periods as same may be necessary to maintain an inside temperature of 78 degrees when the outside temperature is at a maximum of 94 degrees dry bulb to be operated throughout the term of this Lease or any renewal hereof, between the hours of 8:00 a.m. to 6:00 p.m., Monday through Friday (Legal Holidays excepted as set forth in Exhibit "F"), subject, however, to governmental requirements. Landlord, at its cost, at the inception of this Lease, will furnish a light bulb or bulbs or fluorescent tube or tubes, as the case may be, and standard ballasts, for each lighting fixture then installed on the Premises. landlord shall provide and reserves the right to make reasonable additional charges, payable as Additional Rent, for services furnished at the request of Tenant on days or at times other than those above defined as provided in Section 6.04 (d). Notwithstanding the foregoing, Tenant shall have the right to enter and use the Premises at all hours and times in which event Tenant agrees to keep all outside doors locked. (b) Furnish cold water (Water at the normal temperature of the supply of water supply to the Building) to the Building for drinking and lavatory purposes and hot water (from the regular Building supply at prevailing temperatures) to the Building for lavatory and drinking purposes., through fixtures installed by Landlord or by Tenant with Landlord's consent; including office trash removal trail the Premises (b) Janitorial cleaning services including office trash removal from the Premises to those portions of the Premises used solely for office purposes, five (5) days per week (except on holidays observed by the Building), in accordance with the standards of service provided to other tenants in the Building; (c) Cause Heated and refrigerated air conditioning, at such temperatures and in such quantities as Landlord determines are reasonably necessary for the reasonably comfortable use and occupancy of the Premises for general office purposes; current hours of service extend from 7:00 am to 7:00 pm every day and may only be cleaned after normal business hours in accordance with the Cleaning Specifications as set forth in Exhibit "E".amended upon 30 day written notice to Tenant; (d) Make such repairs and replacements to Routine maintenance in the Premises as reasonably required (Tenant shall solely be responsible for the payment of the cost of same, if required, due to the negligence, misuse, abuse or willful misconduct of Tenant, its agents, servants or employees, invitees, subtenants, contractors or assigns).Common Areas; (e) Provide window washingElectric current to the Premises for Building standard office lighting and office machines that consume electric current within the limits set forth in Section 5.3(.))(1); (f) Twenty-four (24) hour, landscapingnon-exclusive. passenger elevator service and. when scheduled through the Building management. non-exclusive freight elevator service to the floors) on which the Premises are located; and (g) Replacement of Building standard light bulbs, including lawn maintenance, snow and fluorescent tubes in the Premises. Landlord is in no event responsible for the removal from sidewalks, driveways and parking areas and directory board maintenancethe Premises of medical waste of any nature or of any contaminated or otherwise environmentally sensitive materials.

Services by Landlord. 10.01 Provided that Tenant is not then in default, Landlord shall furnish the following services cause to be furnished to the Premises and the Parcel: (a) Keep Premises, in operation in the Building a heating apparatus common with other tenants, during such periods as same may be necessary to maintain an inside temperature at 70 degrees at a minimum outside temperature of 0 degrees dry bulb between the 15th day of October and the 1st day of May of each year and an air conditioning system during such periods as same may be necessary to maintain an inside temperature of 78 degrees when the outside temperature is at a maximum of 94 degrees dry bulb to be operated throughout the term of this Lease or any renewal hereof, between the business hours of 8:00 a.m. A.M. to 6:00 p.m.P.M., Monday through Friday (Legal Holidays excepted as set forth in Exhibit "F"excluding national and state holidays), subjectthe following services: janitorial services (once per working day after normal working hours), howeverwater (if available from city mains) for drinking, lavatory and toilet purposes, operator less elevator service and heating and air conditioning for the reasonably comfortable use and occupancy of the Premises, provided heating and cooling conforming to any governmental requirementsregulation prescribing limitations thereon shall be deemed to comply with this service. LandlordLandlord shall furnish the Premises with electricity for the maintenance of building standard fluorescent lighting composed of 2' x 4' fixtures. Incandescent fixtures, table lamps, all lighting other than the aforesaid building standard fluorescent light, dimmers and all lighting controls other than controls for the aforesaid building standard fluorescent lighting shall be serviced, replaced and maintained at its costTenant's expense. Landlord shall also furnish the Premises with electricity for lighting for the aforesaid building standard fluorescent lighting and for the operation of general office machines, at the inception of this Leasesuch as electric typewriters, will furnish a light bulb or bulbs or fluorescent tube or tubesdesk top computers, as the case may beword processing equipment, dictating equipment, adding machines and calculators, and standard ballasts, for each lighting fixture then installed on the Premisesgeneral service non-production type office copy machines. landlord shall provide and reserves the right to make reasonable additional charges, payable as Additional Rent, for services furnished at the request of Tenant on days or at times other than those above defined as provided in Section 6.04 (d). Notwithstanding the foregoing, Tenant Landlord shall have the right to enter and use inspect the Premises at and all hours electrical devices therein from time to time. All additional costs resulting from Tenant's extraordinary usage of heating, air conditioning or electricity shall be paid by Tenant upon demand as Additional Rent for each month or portion thereof, and times in which event Tenant agrees to keep all outside doors locked. (b) Furnish cold water (at the normal temperature shall not install equipment with unusual demands for any of the water supply foregoing without Landlord's prior written consent, which Landlord may withhold if it determines that in its opinion such equipment may not be safely used in the Premises or that electrical service is not adequate therefor. If heat generating machines or equipment shall be used in the Premises by Tenant which affect the temperature otherwise maintained by the heating and air conditioning system, Landlord shall have the right to install supplemental air conditioning units in the Building) Premises and the cost thereof, including the cost of engineering and installation, and the cost of operation and maintenance thereof, shall be paid by Tenant upon demand by Landlord. Landlord shall further provide a reasonable pro rata amount of unreserved free parking, in common with the other tenants, for Tenant's employees and visitors. So long as Landlord acts reasonably and in good faith, there shall be no abatement or reduction of Rent by reason of any of the foregoing services not being continuously provided to Tenant. Tenant shall report immediately to Landlord any defective condition in or about the Premises known to Tenant and if such defect is not so reported and such failure to promptly report results in other damage, Tenant shall be liable for same. Landlord shall not be liable to Tenant for any damage caused to Tenant and its property due to the Building for drinking and lavatory purposes and hot water (or any part or appurtenance thereof being improperly constructed or being or becoming out of repair, or arising from the regular Building supply at prevailing temperatures) to the Building for lavatory purposesleaking of gas, water, sewer or steam pipes, or from electricity. (c) Cause the Premises to be cleaned after normal business hours in accordance with the Cleaning Specifications as set forth in Exhibit "E". (d) Make such repairs and replacements to the Premises as reasonably required (Tenant shall solely be responsible for the payment of the cost of same, if required, due to the negligence, misuse, abuse or willful misconduct of Tenant, its agents, servants or employees, invitees, subtenants, contractors or assigns). (e) Provide window washing, landscaping, including lawn maintenance, snow removal from sidewalks, driveways and parking areas and directory board maintenance.

Services by Landlord. 10.01 Landlord Landlord, subject to payment by Tenant as specified below, shall furnish the following services to the Premises Building, the Common Areas (as applicable) and the Parcel:Premises in amounts, quantities, temperatures and during time periods consistent with first-class 80,000 to 200,000 square foot multi-tenant office buildings of a similar type and quality in the North Dallas Tollway/Parkway Corridor (the "Comparable Buildings") and such other building services as are customarily provided by Comparable Buildings and as may be required by law or directed by governmental authority for the comfortable use of the Premises throughout the year. (a) Keep in operation in Air conditioning, both heating and cooling (as required by the Building a heating apparatus during such periods as same may be necessary seasons), from 7:00 a.m. to maintain an inside temperature at 70 degrees at a minimum outside temperature of 0 degrees dry bulb between the 15th day of October 6:00 p.m. on weekdays and the 1st day of May of each year and an air conditioning system during such periods as same may be necessary to maintain an inside temperature of 78 degrees when the outside temperature is at a maximum of 94 degrees dry bulb to be operated throughout the term of this Lease or any renewal hereof, between the hours of on Saturdays from 8:00 a.m. to 6:00 1:00 p.m., Monday through Friday except on Holidays (Legal Holidays excepted as set forth defined in Exhibit "F")D) (the HVAC Standard Hours) at a dry bulb temperature of 70-74 degrees Fahrenheit during the HVAC Standard Hours. Circulating air is not available other than through the Building's HVAC system. If Tenant requires HVAC services at any time other than HVAC Standard Hours, subjectLandlord shall furnish HVAC services for the portions of the Premises specified in a request by Tenant using a code-activated, however, to governmental requirementsphone-in/computer service on a floor by floor basis. Landlord, at its cost, at the inception of this Lease, will furnish a light bulb or bulbs or fluorescent tube or tubes, Tenant shall pay Landlord as the case may be, and standard ballasts, additional Rent for each lighting fixture then installed on the Premises. landlord shall provide and reserves the right hour of HVAC in excess of HVAC Standard Hours an amount equal to make Landlord's actual cost for such HVAC services, including any reasonable additional charges, payable as Additional Rent, for services furnished at the request of Tenant on days or at times other than those above defined as provided administrative costs incurred by Landlord in Section 6.04 (d). Notwithstanding the foregoing, Tenant shall have the right to enter and use the Premises at all hours and times in which event Tenant agrees to keep all outside doors lockedproviding such service. (b) Furnish cold water Cold (at the normal temperature of the water supply to the Building) to the Building for drinking and lavatory purposes and hot water (from the regular Building for lavatory and toilet purposes, with water service to be at supply at prevailing temperatures) to points provided for general use of tenants of the Building for lavatory purposes.through fixtures installed by Landlord, or by Tenant with Landlord's prior consent; (c) Cause Janitor service to the Premises to be cleaned after normal business hours in accordance with on a five (5) day per week basis (other than Holidays) and per the Cleaning Specifications specifications attached as set forth in Exhibit "E".D-1 attached hereto; (d) Make Window and glass washing (exterior and interior) at least three (3) times per year at such repairs and replacements to the Premises intervals as reasonably required (Tenant shall solely be responsible for the payment of the cost of same, if required, due to the negligence, misuse, abuse or willful misconduct of Tenant, determined by Landlord in its agents, servants or employees, invitees, subtenants, contractors or assigns).reasonable discretion; (e) Provide window washingOperator-less passenger elevators for ingress and egress to and from the floor(s) on which the Premises are located (provided that Landlord may reasonably limit the number of elevators to be in operation on Saturdays, landscapingSundays, including lawn maintenanceand Holidays) and freight elevator service in common with other tenants but only when scheduled through the Project manager; (f) Common area rest room facilities; and (g) Electric lighting for all common areas of the Building in the manner and to the extent consistent with Comparable Buildings. Building Standard Hours are weekdays, snow removal excluding Holidays, from sidewalks7:00 a.m. to 6:00 p.m. and Saturdays from 8:00 a.m. to 1:00 p.m. Landlord may lock the Building at all times other than during Building Standard Hours; provided, driveways however, Tenant shall be provided key access to the Building, the Common Areas and parking areas the Premises twenty-four (24) hours a day, seven (7) days a week. During hours other than Buildings Standard Hours, Landlord shall provide a restricted access system (i.e. key access only) to the Premises and directory board maintenanceany stairwell or elevator leading to the Premises. Landlord makes no warranty or representation to any Tenant Party as to the adequacy of the foregoing restricted access security system or the security of the Project and all Tenant Parties waive all claims against Landlord which are related directly or indirectly to such system or the security of the Project, except as otherwise provided in Paragraphs 20 and 32(e).

Services by Landlord. 10.01 Landlord shall agrees to furnish the following services to the Premises and the Parcel: (a) Keep in operation in the Building a heating apparatus during such periods as same may be necessary to maintain an inside temperature at 70 degrees at a minimum outside temperature of 0 degrees dry bulb between the 15th day of October and the 1st day of May of each year and an air conditioning system during such periods as same may be necessary to maintain an inside temperature of 78 degrees when the outside temperature is at a maximum of 94 degrees dry bulb to be operated throughout the term of this Lease or any renewal hereofLease: (i) Electric current to the Premises for lighting and machines of low electrical consumption, between as may, in the hours sole judgment of 8:00 a.m. Landlord, be reasonably required for use and occupancy under normal office operations; (ii) Air conditioning to 6:00 p.m.the Premises, Monday through Friday both heating and cooling (Legal Holidays excepted as set forth in Exhibit "F"required by the seasons), subjectas may, however, to governmental requirements. in the sole judgment of Landlord, at its costbe reasonably required for comfortable use and occupancy under normal office operations, at during normal hours (herein, the inception "Normal Business Hours") of office operations for the Building (which, for purposes of this Lease, will furnish a light bulb or bulbs or fluorescent tube or tubesshall be understood to be 7:00 a.m. to 7:00 p.m. [Frisco, as the case may beTexas time] Monday through Friday, inclusive, and standard ballasts7:00 a.m. to 2:00 p.m. [Frisco, for each lighting fixture then installed Texas time] on the Premises. landlord shall provide and reserves the right to make reasonable additional charges, payable as Additional Rent, for services furnished at the request of Tenant on days or at times other than those above defined as provided in Section 6.04 (dSaturday). Notwithstanding the foregoing, Tenant shall have the right to enter and use the Premises at all hours and times in which event Tenant agrees to keep all outside doors locked.; (biii) Furnish cold Cold water (at the normal temperature of the supply of water supply to the Building) to the Building for lavatory and toilet purposes, refrigerated water for drinking and lavatory purposes and hot water (from the regular Building supply at prevailing temperatures) to the Building for lavatory purposes., all of such water service to be supplied from the Building's regular water supply; (civ) Cause Janitorial cleaning service to the Premises including such window washing and wall cleaning as may in the sole judgment of Landlord be reasonably required; (v) Passenger elevators to the floor(s) on which the Premises are located for ingress to and egress from the Premises and freight elevator service in common with other tenants but only when scheduled through Landlord in advance; (vi) Electric lighting for all public areas and special service areas of the Building in the manner and to the extent as may be cleaned after normal business hours reasonable and standard in the sole judgment of Landlord; and (vii) Access to the Premises on a 24-hour-per-day, 7-day-per-week, basis; provided, that such access may be limited by Landlord during any periods other than Normal Business Hours, as well as on holidays and Sundays, to access by a cardkey access system or other system pursuant to which employees, contractors and/or visitors of Tenant shall be required to reasonably identify themselves in order to access the Building and Premises at such times, and such cards or other access systems may be issued or imposed by Landlord in accordance with Landlord's then-customary procedures (provided, further, that if access cards or other forms of identification issued by the Cleaning Specifications as set forth in Exhibit "E". (d) Make Landlord are required by Tenant to replace lost or damaged cards or other forms of identification, Landlord may impose a reasonable fee to be reimbursed by Tenant for any such repairs and replacements additional or replacement cards required to the Premises as reasonably required (Tenant shall solely be responsible for the payment of the cost of same, if required, due to the negligence, misuse, abuse or willful misconduct of Tenant, its agents, servants or employees, invitees, subtenants, contractors or assignsso issued). (eviii) Provide window washingSecurity service patrolling Hall Office Park on a twenty-four (24) hours per day, landscapingseven (7) days per week basis. NOTWITHSTANDING ANYTHING TO THE CONTRARY SET FORTH HEREIN, HOWEVER, TENANT HEREBY ACKNOWLEDGES AND AGREES THAT LANDLORD DOES NOT MAKE, AND TENANT HEREBY WAIVES, ANY GUARANTY OR WARRANTY, EXPRESSED OR IMPLIED, WITH RESPECT TO ANY SECURITY AT HALL OFFICE PARK, THE BUILDING OR THE PREMISES, OR THAT ANY SECURITY MEASURES WILL BE TAKEN OR WILL PREVENT OCCURRENCES OR CONSEQUENCES OF CRIMINAL ACTIVITY, IT BEING HEREBY ACKNOWLEDGED AND AGREED BY TENANT THAT LANDLORD HAS NOT AGREED TO PROVIDE ANY SECURITY SERVICES OR MEASURES AT HALL OFFICE PARK, THE BUILDING OR THE PREMISES OTHER THAN AS MAY BE EXPRESSLY SET FORTH HEREIN AND THAT NEITHER LANDLORD NOR ANY OTHER LANDLORD-RELATED PARTY SHALL BE LIABLE TO TENANT IN ANY EVENT FOR, AND TENANT HEREBY RELEASES LANDLORD AND ALL LANDLORD-RELATED PARTIES FROM ANY RESPONSIBILITY FOR, LOSSES DUE TO THEFT OR BURGLARY OR FOR DAMAGE OR INJURY DONE BY UNAUTHORIZED PERSONS IN THE BUILDING OR THE PREMISES, OR IN CONNECTION WITH ANY SUCH SECURITY MATTERS (INCLUDING WITHOUT LIMITATION ANY DAMAGE OR INJURY RESULTING FROM A CRIMINAL OR TERRORIST ATTACK). Landlord, Landlord's cleaning contractor and such cleaning contractor's employees will have access to the Premises after 5:30 p.m. and before 8:00 a.m. and will have the right to use, without charge therefor, all light, power and water in the Premises reasonably required to clean the Premises as required under this Lease. Landlord will be deemed to have observed and performed the terms and conditions to be performed by Landlord under this Lease, including lawn maintenancethose relating to the provision of utilities and services, snow removal from sidewalksif in so doing Landlord acts in accordance with a directive, driveways and parking areas and directory board maintenancepolicy or request of any governmental or quasi-governmental authority.

Services by Landlord. 10.01 Provided Tenant is not in default under this -------------------- Lease, and subject to the conditions and standards set forth in this Lease and to standards, limitations and guidelines imposed by governmental authorities and utility companies, Landlord shall will furnish or cause to be furnished the following services and utilities: (i) heat and air conditioning to the Premises and the Parcel: during "Normal Business Hours" (a) Keep in operation as defined in the Building a heating apparatus during such periods as same may be necessary to maintain an inside temperature at 70 degrees at a minimum outside temperature of 0 degrees dry bulb between the 15th day of October Rules and the 1st day of May of each year and an air conditioning system during such periods as same may be necessary to maintain an inside temperature of 78 degrees when the outside temperature is at a maximum of 94 degrees dry bulb to be operated throughout the term of this Lease or any renewal hereof, between the hours of 8:00 a.m. to 6:00 p.m., Monday through Friday (Legal Holidays excepted as set forth in Exhibit "F"Regulations), subject, however, to governmental requirements. Landlord, at its cost, at such temperatures and in such quantities as Landlord determines are reasonably necessary for the inception comfortable use and occupancy of this Lease, will furnish a light bulb or bulbs or fluorescent tube or tubes, as the case may be, and standard ballasts, for each lighting fixture then installed on the Premises. landlord shall provide and reserves the right to make reasonable additional charges, payable as Additional Rent, for services furnished at the request of Tenant on days or at times other than those above defined as provided in Section 6.04 (d). Notwithstanding the foregoing, Tenant shall have the right to enter and use the Premises at all hours for general office purposes and times as is consistent with the operation of a first class office building in which event Tenant agrees to keep all outside doors locked. the Dallas/Fort Worth metropolitan area; (bii) Furnish cold water (at the normal temperature of the supply of water supply to the Building) to the Building for drinking and lavatory purposes and hot water (from the regular Building supply at prevailing temperatures) to the Building for lavatory purposes. and drinking purposes through fixtures installed by Landlord or by Tenant with Landlord's consent; (ciii) Cause janitorial cleaning services to those portions of the Premises which are used for office purposes five (5) days per week (except on holidays observed by the Building); (iv) cleaning of the carpet in the Premises at least two (2) times each calendar year; (v) twenty-four (24) hour, nonexclusive passenger elevator service and, when scheduled through the Building management, nonexclusive freight elevator service to be cleaned after normal business hours the floor(s) on which the Premises are located; (vi) routine maintenance in accordance with the Cleaning Specifications as Common Areas; (vii) replacement of standard light bulbs, fluorescent tubes, and ballasts in the Premises; and (viii) electric current to the Premises for standard office lighting and office machines which consume electric current within the parameters set forth in Exhibit "E". Section 5.3(a)(i) of this Lease. All services referred to in this Section 5.1 ----------------- shall be provided by Landlord and (d) Make such repairs and replacements subject to the Premises provisions of Exhibit C) paid for by Tenant as reasonably required (Tenant shall solely be responsible for the part of Tenant's payment of the cost Tenant's Pro Rate Share of same, if required, due to the negligence, misuse, abuse or willful misconduct Electrical Costs and Pro Rata Share of Tenant, its agents, servants or employees, invitees, subtenants, contractors or assigns)Operating Costs. (e) Provide window washing, landscaping, including lawn maintenance, snow removal from sidewalks, driveways and parking areas and directory board maintenance.

Services by Landlord. 10.01 a. Landlord shall furnish for the occupied portion of the Premises the following services services: (i) if Landlord provides HVAC not separately metered to the Premises Premises, space heating and the Parcel: (a) Keep in operation in the Building a heating apparatus during such periods cooling, as same normal seasonal changes may be necessary to maintain an inside temperature at 70 degrees at a minimum outside temperature of 0 degrees dry bulb between the 15th day of October and the 1st day of May of each year and an air conditioning system during such periods as same may be necessary to maintain an inside temperature of 78 degrees when the outside temperature is at a maximum of 94 degrees dry bulb to be operated throughout the term of this Lease or any renewal hereofrequire, between the hours of from 8:00 a.m. to 6:00 p.m., p.m. on Monday through Friday and on Saturdays from 9:00 a.m. to 12:00 noon (Legal Holidays excepted Sundays and holidays excepted) (hereinafter referred to as set forth "hours of normal business operation") at such temperatures and in Exhibit "F")such amounts as may, subject, however, to governmental requirements. in the sole judgment of Landlord, at its cost, at be reasonably required for comfortable use and occupancy of the inception of this Lease, Premises under normal business operations; provided that circulating air will furnish a light bulb or bulbs or fluorescent tube or tubes, as the case may benot be available other than by air conditioning, and if Tenant shall require air conditioning or heating at any time outside the hours and days above specified, Landlord shall, upon reasonable advance notice and at Tenant's expense, furnish the same for the area or areas specified in a written request of Tenant, delivered to the superintendent of the Building; provided further that in the event Tenant overloads the air conditioning system and/or in any other way causes the system to not adequately perform its proper functions, supplementary systems may at Landlord's option be provided by Landlord at Tenant's expense, it being understood by the parties hereto that the air conditioning system is based upon an occupancy of not more than one person per 150 square feet of the Premises and upon a combined lighting and standard ballasts, for each lighting fixture then installed on electrical load not to exceed 4.0 xxxxx per square foot of the Premises. landlord shall provide and reserves the right to make reasonable additional charges, payable as Additional Rent, for services furnished at the request of Tenant on days or at times other than those above defined as provided in Section 6.04 ; (d). Notwithstanding the foregoing, Tenant shall have the right to enter and use the Premises at all hours and times in which event Tenant agrees to keep all outside doors locked. (bii) Furnish cold water (at the normal temperature of the supply of water supply to the Building) to the Building for drinking and lavatory purposes and hot water (from the regular Building supply at prevailing temperatures) to the Building for lavatory and toilet purposes and for drinking purposes, all of such water service to be supplied from the regular supply of water to the Building at points of supply provided for general use of tenants of the Building through fixtures installed by Landlord or by Tenant with Landlord's consent (iii) restroom facilities; and (iv) electric lighting for all public areas and special service areas of the Building in the manner and to the extent deemed by Landlord to be reasonable and standard including replacement light bulbs and tubes standard for the Building. (c) Cause b. If Tenant has extended occupancy or electrical loads in excess of Building standards, Landlord shall estimate these costs for Tenant's purposes, and Tenant shall pay Tenant's share of the Premises excess cost pursuant to be cleaned after normal business hours in accordance with the Cleaning Specifications as set forth in Exhibit "E". (d) Make such repairs provisions of Paragraph 5 above. Tenant covenants and replacements agrees that at all times it use of electric current shall never exceed the capacity of existing feeders to the Building or the risers or wiring installations. At any time when Landlord is furnishing electric current to the Premises pursuant to this Paragraph 9, if Tenant is able to obtain electric power directly from the utility, Landlord may, at its option. Upon not less than thirty (30) days' prior written notice to Tenant, discontinue the furnishing of such electric current. If Landlord gives any such notice of discontinuance, Landlord shall make all the necessary arrangements with the public utility, supplying the electric current to the neighborhood with respect to furnishing such electric current to the Premises, and Tenant will contract directly with such public utility for the supplying of such electric current to the Premises but, in no event, during this changeover shall such electrical service to the Premises be interrupted, except for any circumstance beyond the reasonable control of Landlord. c. Landlord shall not be in default hereunder or be liable for any damages directly or indirectly resulting from, nor shall the rent herein reserved be abated by reason of (i) the installation, use or interruption of use of any equipment in connection with the furnishing of any of the utilities and services to be provided by Landlord under the provisions of this Lease; (ii) failure to furnish or delay in furnishing any such utilities or services for as long as is reasonably required (Tenant shall solely be responsible for when such failure or delay is caused by acts of God or the payment elements, labor disturbances of any character, inability to secure a proper supply of materials or other supplies, any other accidents or other conditions or causes beyond the cost reasonable control of sameLandlord, if requiredor by the making of repairs, due alterations or improvements to the negligencePremises or to the Building; or, misuse(iii) the limitation, abuse curtailment, rationing or willful misconduct restriction on use of water or electricity, gas or any other form of energy or any other service or utility whatsoever serving the Premises or the Building. Furthermore, Landlord shall be entitled to cooperate voluntarily in a reasonable manner with the efforts of national, state or local governmental agencies or utilities suppliers in reducing energy or other resources consumption. Landlord reserves the right, without incurring any liability towards Tenant, its agentsto stop any service or utility system or to interrupt the use of any Building facilities, servants when necessary by reason of accident or employeesemergency, inviteesor until necessary repairs have been completed; provided, subtenantshowever, contractors or assigns)that in each instance of stoppage Landlord shall exercise reasonable diligence to eliminate the cause thereof. Except in case of emergency repairs, Landlord will give Tenant reasonable advance notice of any contemplated stoppage and will use reasonable efforts to avoid unnecessary inconvenience to Tenant by reason thereof. (e) Provide window washing, landscaping, including lawn maintenance, snow removal from sidewalks, driveways and parking areas and directory board maintenance.

Services by Landlord. 10.01 Landlord shall furnish the following services will provide to the Premises services customary to first-class office buildings in the local area, including without limitation electricity for lighting, office machines, computers, and copiers, hot and cold running water and sewer, a Building security system and mechanical cooling, heating and ventilation at such temperatures and in such amounts as are reasonably standard for first-class office buildings in the local area. All services, including elevator, Building access through the security system (by means of cards, keys or other appropriate access devices), water, and the Parcel: cooling, heating, and ventilation system, shall be available to the Premises twenty-four (a24) Keep hours per day, seven (7) days per week. The Building elevator(s) shall lock off the Premises from general public access during nonbusiness hours of the Building in operation general. Landlord shall also provide daily bonded janitorial services for the Premises, lamp replacement for Landlord-furnished lighting, toilet room supplies and perimeter window washing, all with reasonable frequency customary to first- class office buildings in the Building a heating apparatus during local area. Landlord shall not be liable for any loss or damage caused by or resulting from any variation, interruption or failure of such periods as same may be necessary services due to maintain an inside temperature at 70 degrees at a minimum outside temperature any cause whatsoever, except the willful misconduct of 0 degrees dry bulb between Landlord or its employees, agents, contractors or invitees. Rent shall xxxxx for the 15th day period of October and the 1st day any interruption or failure of May of each year and an air conditioning system during such periods as same may be necessary to maintain an inside temperature of 78 degrees when the outside temperature is at a maximum of 94 degrees dry bulb to be operated throughout the term of this Lease or any renewal hereof, between the hours of 8:00 a.m. to 6:00 p.m., Monday through Friday (Legal Holidays excepted as set forth in Exhibit "F"), subject, however, to governmental requirements. Landlord, at its cost, at the inception of this Lease, will furnish a light bulb or bulbs or fluorescent tube or tubes, as the case may beservices caused by such willful misconduct, and standard ballastsfor the period of any interruption or failure due to any cause which extends for more than forty-eight (48) hours. For those services within Landlord's reasonable control, for each lighting fixture then installed on the PremisesLandlord will correct any interruption of services as soon as practicable. landlord shall provide and reserves the right to make reasonable additional charges, payable as Additional Rent, for services furnished at the request of Tenant on days or at times other than those above defined as provided in Section 6.04 (d). Notwithstanding the foregoing, Tenant shall have the right to enter establish its own procedures to maintain and use protect the internal security of the Premises in accordance with Tenant's needs. Tenant, in its sole discretion, shall have the right to install additional security devices for the Premises at all hours its own cost and times in which event Tenant agrees to keep all outside doors lockedexpense. (b) Furnish cold water (at the normal temperature of the water supply to the Building) to the Building for drinking and lavatory purposes and hot water (from the regular Building supply at prevailing temperatures) to the Building for lavatory purposes. (c) Cause the Premises to be cleaned after normal business hours in accordance with the Cleaning Specifications as set forth in Exhibit "E". (d) Make such repairs and replacements to the Premises as reasonably required (Tenant shall solely be responsible for the payment of the cost of same, if required, due to the negligence, misuse, abuse or willful misconduct of Tenant, its agents, servants or employees, invitees, subtenants, contractors or assigns). (e) Provide window washing, landscaping, including lawn maintenance, snow removal from sidewalks, driveways and parking areas and directory board maintenance.

Services by Landlord. 10.01 Landlord shall cause to be furnished to the Building, or as applicable, the Premises, in common with other tenants, during business hours of 7:00 A.M. to 6:00 P.M. Monday through Friday and 8:00 A.M. to 12:00 P.M. on Saturday (excluding Memorial Day, Fourth of July, Labor Day, Christmas day, New Years day and Thanksgiving day), the following services; janitorial services (five (5) days a week after normal working hours in accordance with the cleaning specifications attached hereto as EXHIBIT B-1), hot and cold water (if available from city mains) for drinking, lavatory and toilet purposes, operatorless elevator service (accessible 24 hours, 7 days per week) and heating and air conditioning for the reasonably comfortable use and occupancy of the Premises at times and temperatures comparable to other Class "A" office buildings in the Maryland Farms Office Park in Brentwood, Tennessee, provided heating and cooling conforming to any governmental regulation mandating limitations thereon shall be deemed to comply with this service. Landlord shall use it commercially reasonable efforts to promptly remove snow and ice from the Common Areas. Landlord shall furnish the following services to Premises with electricity for the maintenance of building standard fluorescent lighting composed of 2' x 4' fixtures. Incandescent fixtures, table lamps, all lighting other than the aforesaid building standard fluorescent light, dimmers and all lighting controls other than controls for the aforesaid building standard fluorescent lighting shall be serviced, replaced and maintained at Tenant's expense. Landlord shall also furnish the Premises with electricity for lighting for the aforesaid building standard fluorescent lighting and for the Parcel: (a) Keep in operation in the Building a heating apparatus during of general office machines, such periods as same may be necessary to maintain an inside temperature at 70 degrees at a minimum outside temperature of 0 degrees dry bulb between the 15th day of October electric typewriters, desk top computers, word processing equipment, dictating equipment, adding machines and the 1st day of May of each year and an air conditioning system during such periods as same may be necessary to maintain an inside temperature of 78 degrees when the outside temperature is at a maximum of 94 degrees dry bulb to be operated throughout the term of this Lease or any renewal hereof, between the hours of 8:00 a.m. to 6:00 p.m., Monday through Friday (Legal Holidays excepted as set forth in Exhibit "F"), subject, however, to governmental requirements. Landlord, at its cost, at the inception of this Lease, will furnish a light bulb or bulbs or fluorescent tube or tubes, as the case may becalculators, and standard ballasts, for each lighting fixture then installed on the Premisesgeneral service non-production type office copy machines. landlord shall provide and reserves the right to make reasonable additional charges, payable as Additional Rent, for services furnished at the request of Tenant on days or at times other than those above defined as provided in Section 6.04 (d). Notwithstanding the foregoing, Tenant Landlord shall have the right to enter and use inspect the Premises and all electrical devices therein from time to time, provided that Landlord shall have no obligation to provide more than five (5) wattx xxx usable square foot of electricity serving the Premises. Landlord reserves the right to separately meter the Premises should Tenant's use of electricity be determined by Landlord in its reasonable discretion to be excessive. After hours heating and air conditioning is available at all hours a charge of $30.00 per hour, per zone, with a minimum of one (1) hour per occurrence. All additional costs resulting from Tenant's extraordinary usage of heating, air conditioning or electricity shall be paid by Tenant within thirty (30) days as Additional Rent for each month or portion thereof, and times Tenant shall not install equipment with unusual demands for any of the foregoing without Landlord's prior written consent, which Landlord may withhold if it determines that in its reasonable opinion such equipment may not be safely used in the Premises or that electrical service is not adequate therefor. Provided that the heating and air conditioning system serving the Premises is operating in good working order and repair, if heat generating machines or equipment or other intensive activities shall be used or carried on in the Premises by Tenant which event affect the temperature otherwise maintained by the heating and air conditioning system, Landlord shall have the right, and Tenant agrees may request in writing for Landlord, to keep all outside doors locked. (b) Furnish cold water (install supplemental air conditioning units in the Premises. All costs incurred in connection with the installation of such supplemental air conditioning units shall be paid by Tenant at the normal temperature time of the water supply to the Building) to the Building for drinking and lavatory purposes and hot water (from the regular Building supply at prevailing temperatures) to the Building for lavatory purposes. (c) Cause the Premises to be cleaned after normal business hours in accordance with the Cleaning Specifications as set forth in Exhibit "E". (d) Make such repairs and replacements to the Premises as reasonably required (Tenant shall solely be responsible for the payment of the installation. The cost of same, if required, due to the negligence, misuse, abuse or willful misconduct of Tenant, its agents, servants or employees, invitees, subtenants, contractors or assigns). (e) Provide window washing, landscaping, including lawn maintenance, snow removal from sidewalks, driveways operating and parking areas and directory board maintenance.maintaining such supplemental air

Services by Landlord. 10.01 Landlord shall agrees to furnish the following services to the Premises and the Parcel: (a) Keep in operation in the Building a heating apparatus during such periods as same may be necessary to maintain an inside temperature at 70 degrees at a minimum outside temperature of 0 degrees dry bulb between the 15th day of October and the 1st day of May of each year and an air conditioning system during such periods as same may be necessary to maintain an inside temperature of 78 degrees when the outside temperature is at a maximum of 94 degrees dry bulb to be operated throughout the term of this Lease or any renewal hereofLease: (i) Electric current to the Premises for lighting and machines of low electrical consumption, between as may, in the hours sole judgment of 8:00 a.m. Landlord, be reasonably required for use and occupancy under normal office operations; (ii) Air conditioning to 6:00 p.m.the Premises, Monday through Friday both heating and cooling (Legal Holidays excepted as set forth in Exhibit "F"required by the seasons), subjectas may, however, to governmental requirements. in the sole judgment of Landlord, at its costbe reasonably required for comfortable use and occupancy under normal office operations, at during normal hours (herein, the inception "Normal Business Hours") of office operations for the Building (which, for purposes of this Lease, will furnish a light bulb or bulbs or fluorescent tube or tubesshall be understood to be 7:00 a.m. to 7:00 p.m. [Frisco, as the case may beTexas time] Monday through Friday, inclusive, and standard ballasts7:00 a.m. to 2:00 p.m. [Frisco, for each lighting fixture then installed Texas time] on the Premises. landlord shall provide and reserves the right to make reasonable additional charges, payable as Additional Rent, for services furnished at the request of Tenant on days or at times other than those above defined as provided in Section 6.04 (dSaturday). Notwithstanding the foregoing, Tenant shall have the right to enter and use the Premises at all hours and times in which event Tenant agrees to keep all outside doors locked.; (biii) Furnish cold Cold water (at the normal temperature of the supply of water supply to the Building) to the Building for lavatory and toilet purposes, refrigerated water for drinking and lavatory purposes and hot water (from the regular Building supply at prevailing temperatures) to the Building for lavatory purposes., all of such water service to be supplied from the Building's regular water supply; (civ) Cause Janitorial cleaning service to the Premises including such window washing and wall cleaning as may in the sole judgment of Landlord be reasonably required; (v) Passenger elevators to the floor(s) on which the Premises are located for ingress to and egress from the Premises and freight elevator service in common with other tenants but only when scheduled through Landlord in advance; (vi) Electric lighting for all public areas and special service areas of the Building in the manner and to the extent as may be cleaned after normal business hours reasonable and standard in the sole judgment of Landlord; and (vii) Access to the Premises on a 24-hour-per-day, 7-day-per-week, basis; provided, that such access may be limited by Landlord during any periods other than Normal Business Hours, as well as on holidays and Sundays, to access by a cardkey access system or other system pursuant to which employees, contractors and/or visitors of Tenant shall be required to reasonably identify themselves in order to access the Building and Premises at such times, and such cards or other access systems may be issued or imposed by Landlord in accordance with Landlord's then-customary procedures (provided, further, that if access cards or other forms of identification issued by the Cleaning Specifications as set forth in Exhibit "E". Landlord are required by Tenant to replace lost or damaged cards or other forms of identification, Landlord may impose a reasonable fee to be reimbursed by Tenant for any such additional or replacement cards required to be so issued). NOTWITHSTANDING ANYTHING TO THE CONTRARY SET FORTH HEREIN, HOWEVER, TENANT HEREBY ACKNOWLEDGES AND AGREES THAT LANDLORD DOES NOT MAKE, AND TENANT HEREBY WAIVES, ANY GUARANTY OR WARRANTY, EXPRESSED OR IMPLIED, WITH RESPECT TO ANY SECURITY AT THE PROJECT OR BUILDING, OR THAT ANY SECURITY MEASURES WILL BE TAKEN OR WILL PREVENT OCCURRENCES OR CONSEQUENCES OF CRIMINAL ACTIVITY, IT BEING HEREBY ACKNOWLEDGED AND AGREED BY TENANT THAT LANDLORD HAS NOT AGREED TO PROVIDE ANY SECURITY SERVICES OR MEASURES AT THE BUILDING OR PROJECT OTHER THAN AS MAY BE EXPRESSLY SET FORTH HEREIN AND THAT NEITHER LANDLORD NOR ANY OTHER LANDLORD-RELATED PARTY SHALL BE LIABLE TO TENANT IN ANY EVENT FOR, AND TENANT HEREBY RELEASES LANDLORD AND ALL LANDLORD-RELATED PARTIES FROM ANY RESPONSIBILITY FOR, LOSSES DUE TO THEFT OR BURGLARY OR FOR DAMAGE OR INJURY DONE BY UNAUTHORIZED PERSONS IN THE BUILDING OR THE PREMISES, OR IN CONNECTION WITH ANY SUCH SECURITY MATTERS (d) Make INCLUDING WITHOUT LIMITATION ANY DAMAGE OR INJURY RESULTING FROM A CRIMINAL OR TERRORIST ATTACK). Landlord, Landlord's cleaning contractor and such repairs and replacements cleaning contractor's employees will have access to the Premises as after 5:30 p.m. and before 8:00 a.m. and will have the right to use, without charge therefor, all light, power and water in the Premises reasonably required (Tenant shall solely to clean the Premises as required under this Lease. Landlord will be responsible for deemed to have observed and performed the payment terms and conditions to be performed by Landlord under this Lease, including those relating to the provision of the cost of sameutilities and services, if requiredin so doing Landlord acts in accordance with a directive, due to the negligence, misuse, abuse policy or willful misconduct request of Tenant, its agents, servants any governmental or employees, invitees, subtenants, contractors or assigns)quasi-governmental authority. (e) Provide window washing, landscaping, including lawn maintenance, snow removal from sidewalks, driveways and parking areas and directory board maintenance.

Services by Landlord. 10.01 Landlord shall agrees to furnish the following services to the Premises and the Parcel: (a) Keep in operation in the Building a heating apparatus during such periods as same may be necessary to maintain an inside temperature at 70 degrees at a minimum outside temperature of 0 degrees dry bulb between the 15th day of October and the 1st day of May of each year and an air conditioning system during such periods as same may be necessary to maintain an inside temperature of 78 degrees when the outside temperature is at a maximum of 94 degrees dry bulb to be operated throughout the term of this Lease or any renewal hereofLease: (i) Electric current to the Premises for lighting and machines of low electrical consumption, between as may, in the hours sole judgment of 8:00 a.m. Landlord, be reasonably required for use and occupancy under normal office operations; (ii) Air conditioning to 6:00 p.m.the Premises, Monday through Friday both heating and cooling (Legal Holidays excepted as set forth in Exhibit "F"required by the seasons), subjectas may, however, to governmental requirements. in the sole judgment of Landlord, at its cost, at the inception of this Lease, will furnish a light bulb or bulbs or fluorescent tube or tubes, as the case may be, be reasonably required for comfortable use and standard ballasts, for each lighting fixture then installed on the Premises. landlord shall provide and reserves the right to make reasonable additional charges, payable as Additional Rent, for services furnished at the request of Tenant on days or at times other than those above defined as provided in Section 6.04 (d). Notwithstanding the foregoing, Tenant shall have the right to enter and use the Premises at all hours and times in which event Tenant agrees to keep all outside doors locked.occupancy under normal office operations; (biii) Furnish cold Cold water (at the normal temperature of the supply of water supply to the Building) to the Building for lavatory and toilet purposes, refrigerated water for drinking and lavatory purposes and hot water (from the regular Building supply at prevailing temperatures) to the Building for lavatory purposes., all of such water service to be supplied from the Building’s regular water supply; (civ) Cause Janitorial cleaning service to the Premises including such window washing and wall cleaning as may in the sole judgment of Landlord be reasonably required; (v) Passenger elevators to the floor(s) on which the Premises are located for ingress to and egress from the Premises and freight elevator service in common with other tenants but only when scheduled through Landlord in advance; and (vi) Electric lighting for all public areas and special service areas of the Building in the manner and to the extent as may be reasonable and standard in the sole judgment of Landlord. Landlord, Landlord’s cleaning contractor and such cleaning contractor’s employees will have access to the Premises after 5:30 p.m. and before 8:00 a.m. and will have the right to use, without charge therefor, all light, power and water in the Premises reasonably required to clean the Premises as required under this Lease. Landlord will be deemed to have observed and performed the terms and conditions to be cleaned after normal business hours performed by Landlord under this Lease, including those relating to the provision of utilities and services, if in so doing Landlord acts in accordance with the Cleaning Specifications as set forth in Exhibit "E"a directive, policy or request of any governmental or quasi-governmental authority. (d) Make such repairs and replacements to the Premises as reasonably required (Tenant shall solely be responsible for the payment of the cost of same, if required, due to the negligence, misuse, abuse or willful misconduct of Tenant, its agents, servants or employees, invitees, subtenants, contractors or assigns). (e) Provide window washing, landscaping, including lawn maintenance, snow removal from sidewalks, driveways and parking areas and directory board maintenance.

Services by Landlord. 10.01 Provided that Tenant is not then in default beyond applicable cure period, Landlord shall furnish the following services cause to be furnished to the Premises and the Parcel: (a) Keep Premises, in operation in the Building a heating apparatus common with other tenants, during such periods as same may be necessary to maintain an inside temperature at 70 degrees at a minimum outside temperature of 0 degrees dry bulb between the 15th day of October and the 1st day of May of each year and an air conditioning system during such periods as same may be necessary to maintain an inside temperature of 78 degrees when the outside temperature is at a maximum of 94 degrees dry bulb to be operated throughout the term of this Lease or any renewal hereof, between the business hours of 8:00 a.m. 7:30 A.M. to 6:00 p.m.6:30 P.M., Monday through Friday (Legal Holidays excepted as set forth in Exhibit "F"excluding Christmas Day, New Years Day, Thanksgiving Day, Memorial Day, Labor Day and Independence Day), subjectand Saturdays from 8:00 A.M. to 1:00 P.M., howeverthe following services; janitorial services (once per working day after normal working hours), water for drinking, lavatory and toilet purposes, operatorless elevator service and heating and air conditioning for the reasonably comfortable use and occupancy of the Premises, provided heating and cooling conforming to any governmental requirementsregulation prescribing limitations thereon shall be deemed to comply with this service. LandlordLandlord shall furnish the Premises with electricity for the maintenance of building standard fluorescent lighting composed of 2' x 4' fixtures. Incandescent fixtures, table lamps, all lighting other than the aforesaid building standard fluorescent light, dimmers and all lighting controls other than controls for the aforesaid building standard fluorescent lighting shall be serviced, replaced and maintained at its costTenant's expense. Landlord shall also furnish the Premises with electricity for lighting for the aforesaid building standard fluorescent lighting and for the operation of general office machines, at the inception of this Leasesuch as electric typewriters, will furnish a light bulb or bulbs or fluorescent tube or tubesdesk top computers, as the case may beword processing equipment, dictating equipment, adding machines and calculators, and standard ballasts, for each lighting fixture then installed on the Premisesgeneral service non-production type office copy machines. landlord shall provide and reserves the right to make reasonable additional charges, payable as Additional Rent, for services furnished at the request of Tenant on days or at times other than those above defined as provided in Section 6.04 (d). Notwithstanding the foregoing, Tenant Landlord shall have the right to enter and use inspect the Premises at and all hours electrical devices therein from time to time, upon reasonable notice, provided that Landlord shall have no obligation to provide more than four (4) watts per usable square foot of elexxxxxity for convenience outlets serving the Premises. All additional costs resulting from Tenant's extraordinary usage of heating, air conditioning or electricity shall be paid by Tenant upon demand as Additional Rent for each month or portion thereof, and times Tenant shall not install equipment with unusual demands for any of the foregoing without Landlord's prior written consent, which Landlord may withhold if it determines that in its opinion such equipment may not be safely used in the Premises or that electrical service is not adequate therefor. If heat generating machines or equipment shall be used in the Premises by Tenant which event significantly affect the temperature otherwise maintained by the heating and air conditioning system, Landlord shall have the right to install supplemental air conditioning units in the Premises and the cost thereof, including the cost of engineering and installation, and the cost of operation and maintenance thereof, shall be paid by Tenant upon demand by Landlord. Landlord shall further provide a reasonable pro rata amount of unreserved free parking (no less than four (4) per one thousand (1,000) usable square feet), in common with the other tenants, for Tenant's employees and visitors. Landlord agrees to keep all outside doors locked. designate ten (b10) Furnish cold water (at visitor parking spaces near the normal temperature main entrance of the water supply to the Building) to the Building for drinking and lavatory purposes and hot water (from the regular Building supply at prevailing temperatures) to the Building for lavatory purposes. (c) Cause the Premises to be cleaned after normal business hours in accordance with the Cleaning Specifications as set forth in Exhibit "E". (d) Make such repairs and replacements to the Premises as reasonably required (Tenant shall solely . Landlord will be responsible for the payment prompt removal of any snow and ice in the parking lot and walkways servicing the Demised Premises. So long as Landlord acts reasonably and in good faith, there shall be no abatement or reduction of Rent by reason of any of the cost foregoing services not being continuously provided to Tenant. Tenant shall report promptly to Landlord any defective condition in or about the Premises known to Tenant. Except in cases of sameLandlord's negligence or willful misconduct, if required, Landlord shall not be liable to Tenant for any damage caused to Tenant and its property due to the negligenceBuilding or any part or appurtenance thereof being improperly constructed or being or becoming out of repair, misuseor arising from the leaking of gas, abuse water, sewer or willful misconduct of Tenantsteam pipes, its agents, servants or employees, invitees, subtenants, contractors or assigns)from electricity. (e) Provide window washing, landscaping, including lawn maintenance, snow removal from sidewalks, driveways and parking areas and directory board maintenance.

Services by Landlord. 10.01 Landlord shall furnish agrees to provide to Tenant the -------------------- following services to the Premises and the Parcelservices: (a) Keep in operation in General cleaning and janitorial service required as a result of normal, prudent use of the Building a heating apparatus during Demised Premises and only on Mondays through Fridays, inclusive, with New Year's Day, Memorial Day, Independence Day, Labor Day, Thanksgiving Day, Christmas Day and such periods as same may be necessary to maintain an inside temperature at 70 degrees at a minimum outside temperature of 0 degrees dry bulb between other holidays which are observed locally by national banks (herein collectively called the 15th day of October and the 1st day of May of each year and an air conditioning system during such periods as same may be necessary to maintain an inside temperature of 78 degrees when the outside temperature is at a maximum of 94 degrees dry bulb to be operated throughout the term of this Lease or any renewal hereof, between the hours of 8:00 a.m. to 6:00 p.m., Monday through Friday (Legal Holidays excepted as set forth in Exhibit "FHolidays"), subject, however, to governmental requirements. Landlord, at its cost, at the inception of this Lease, will furnish a light bulb or bulbs or fluorescent tube or tubes, as the case may be, and standard ballasts, for each lighting fixture then installed on the Premises. landlord shall provide and reserves the right to make reasonable additional charges, payable as Additional Rent, for services furnished at the request of Tenant on days or at times other than those above defined as provided in Section 6.04 (d). Notwithstanding the foregoing, Tenant shall have the right to enter and use the Premises at all hours and times in which event Tenant agrees to keep all outside doors locked) excepted. (b) Furnish cold water (Heating and air-conditioning service daily on Monday through Fridays, inclusive, with Holidays excepted, from 8:00 A.M. to 6:00 P.M. and on Saturdays, if not a Holiday, from 8:00 A.M. to 1:00 P.M. Landlord reserves the right to prohibit the use of machines and equipment that generate excessive heat in their operation. Should Tenant desire either heating or air-conditioning at times when such services are not furnished by Landlord under the normal temperature terms of the water supply this Lease, Landlord will furnish such services as requested by Tenant upon not less than 24 hours notice from Tenant, at Tenant's expense and at such hourly charge as is from time to the Building) to the Building time determined by Landlord. Payments for drinking such additional services shall be deemed Additional Rental due from Tenant and lavatory purposes shall be due and hot water (from the regular Building supply at prevailing temperatures) to the Building for lavatory purposes.payable on demand; (c) Cause the Premises Elevator service daily on Mondays through Fridays, inclusive, with Holidays excepted, and 8:00 A.M. to 6:00 P.M. and on Saturdays, if not a Holiday, from 8:00 A.M. to 1:00 P.M. At least one elevator shall be cleaned after normal business hours in accordance with the Cleaning Specifications as set forth in Exhibit "E".operative at all other hours; and (d) Make such repairs Electric current for lighting and replacements to reasonable facilities for furnishing usual and normal electric power for medical office space. Tenant shall not, without Landlord's prior written consent, use any equipment, including, diagnostic equipment, X-ray machines, or any other machines which use electric current in excess of 110 volts, which will increase the amount of electricity ordinarily furnished for the use of the Premises as reasonably required (medical office space or which requires clean circuits or other special distribution circuits. Landlord's consent for Tenant's use of such equipment shall be conditioned upon Tenant and Landlord agreeing upon the amount Tenant shall solely be responsible pay each month for the payment of the cost of same, if required, due to the negligence, misuse, abuse or willful misconduct of Tenant, its agents, servants or employees, invitees, subtenants, contractors or assigns)increased electrical consumption. (e) Provide window Water shall be provided to the Demised Premises in an amount sufficient for private toilets and for hand washing. The cost of any water used in excess of such amount shall be reimbursed to Landlord on demand as Additional Rental, landscapingwith the amount and cost of such excess determined by Landlord in its reasonable discretion. (f) Landlord reserves the right to install separate metering devices, including lawn maintenanceat Tenant's expense, snow removal from sidewalks, driveways and parking areas and directory board maintenanceto charge Tenant for the cost of all excess or after-hours use of services.

Services by Landlord. 10.01 Provided Tenant is not in default under this -------------------- Lease, and subject to the conditions and standards set forth in this Lease and to standards, limitations and guidelines imposed by governmental authorities and utility companies, Landlord shall will furnish or cause to be furnished the following services and utilities: (i) heat and air conditioning to the Premises and the Parcel: during "Normal Business Hours" (a) Keep in operation as defined in the Building a heating apparatus during such periods as same may be necessary to maintain an inside temperature at 70 degrees at a minimum outside temperature of 0 degrees dry bulb between the 15th day of October Rules and the 1st day of May of each year and an air conditioning system during such periods as same may be necessary to maintain an inside temperature of 78 degrees when the outside temperature is at a maximum of 94 degrees dry bulb to be operated throughout the term of this Lease or any renewal hereof, between the hours of 8:00 a.m. to 6:00 p.m., Monday through Friday (Legal Holidays excepted as set forth in Exhibit "F"Regulations), subject, however, to governmental requirements. Landlord, at its cost, at such temperatures and in such quantities as Landlord determines are reasonably necessary for the inception comfortable use and occupancy of this Lease, will furnish a light bulb or bulbs or fluorescent tube or tubes, as the case may be, and standard ballasts, for each lighting fixture then installed on the Premises. landlord shall provide and reserves the right to make reasonable additional charges, payable as Additional Rent, for services furnished at the request of Tenant on days or at times other than those above defined as provided in Section 6.04 (d). Notwithstanding the foregoing, Tenant shall have the right to enter and use the Premises at all hours for general office purposes and times as is consistent with the operation of a first class office building in which event Tenant agrees to keep all outside doors locked. the Dallas/Fort Worth metropolitan area; (bii) Furnish cold water (at the normal temperature of the supply of water supply to the Building) to the Building for drinking and lavatory purposes and hot water (from the regular Building supply at prevailing temperatures) to the Building for lavatory purposes. and drinking purposes through fixtures installed by Landlord or by Tenant with Landlord's consent; (ciii) Cause janitorial cleaning services to those portions of the Premises which are used for office purposes five (5) days per week (except on holidays observed by the Building); (iv) cleaning of the carpet in the Premises at least two (2) times each calendar year; (v) twenty-four (24) hour, nonexclusive passenger elevator service and, when scheduled through the Building management, nonexclusive freight elevator service to be cleaned after normal business hours the floor(s) on which the Premises are located; (vi) routine maintenance in accordance with the Cleaning Specifications as Common Areas to maintain such areas in good condition and repair; (vii) replacement of standard light bulbs, fluorescent tubes, and ballasts in the Premises; and (viii) electric current to the Premises for standard office lighting and office machines which consume electric current within the parameters set forth in Exhibit "E". Section 5.3(a)(i) of this ----------------- Lease. All services referred to in this Section 5.1 shall be provided by Landlord and (d) Make such repairs and replacements subject to the Premises provisions of Exhibit C) paid for by Tenant as reasonably required (Tenant shall solely be responsible for the part of Tenant's payment of the cost Tenant's Pro Rate Share of same, if required, due to the negligence, misuse, abuse or willful misconduct Electrical Costs and Pro Rata Share of Tenant, its agents, servants or employees, invitees, subtenants, contractors or assigns)Operating Costs. (e) Provide window washing, landscaping, including lawn maintenance, snow removal from sidewalks, driveways and parking areas and directory board maintenance.

Services by Landlord. 10.01 Throughout the Term, Landlord shall maintain the Building and the Land in a first-class manner and shall furnish or cause to be furnished, the following services services: (I) passenger elevator service in common with other tenants for access to and from the Premises and Premises, provided that Landlord may reasonably limit the Parcel: (a) Keep in operation in the Building a heating apparatus during such periods as same may be necessary to maintain an inside temperature at 70 degrees at a minimum outside temperature number of 0 degrees dry bulb between the 15th day of October and the 1st day of May of each year and an air conditioning system during such periods as same may be necessary to maintain an inside temperature of 78 degrees when the outside temperature is at a maximum of 94 degrees dry bulb elevators to be operated throughout the term of this Lease or any renewal hereofat night after normal business hours and on Saturdays, between the hours of 8:00 a.m. to 6:00 p.m.Sundays, and holidays and that Landlord may remove elevators from service for maintenance so long as at least one elevator is always functioning and usable by Tenant, (ii) janitorial cleaning services Monday through Friday (Legal Holidays excepted except holidays) in accordance with the Standards attached as set forth Exhibit J; (iii) --------- replacement, as necessary, of ceiling tiles and all lamps and ballasts in Exhibit "F"), subject, however, to governmental requirements. LandlordBuilding Standard light fixtures within the Premises; (iv) the utility services provided for in Part 6 below (v) adequate supplies for toilet rooms throughout ------ the Building; (vi) building security system provided that Landlord may use the building security systems currently installed in the Building and Tenant, at its Tenant's sole cost, at shall be permitted to install or use supplemental security services for the inception Building and Landlord hereby agrees to cooperate with Tenant in Tenant's use of this Leaseany such services; (vii) window washing of all windows in the Building two times per year and (viii) landscaping, will furnish a light bulb or bulbs or fluorescent tube or tubesroad, as sidewalk, driveway and parking lot repair and maintenance including, without limitation, restriping the case may beparking lot, and standard ballasts, for each lighting fixture then installed reasonable ice and snow removal in accordance with first class maintenance of all improvements on the PremisesLand. landlord An engineer shall provide be located at either the Building or Fair Lakes North all day during every Business Day throughout the Term and reserves the right to make reasonable additional charges, payable as Additional Rent, for services furnished shall be available on-call at the request of all other times. Provided Tenant on gives Landlord notice 45 days or at times other than those above defined as provided in Section 6.04 (d). Notwithstanding the foregoingadvance, Tenant shall have the right at its sole option to enter contract for cleaning and use janitorial services for the Premises at all hours and times Premises, or for the Building if Tenant is leading the entire Building, with a third party provider in which event the costs of such services shall not be included in Operating Expenses. If Tenant agrees requires services which are not specified herein and Landlord elects to keep all outside doors locked. (b) Furnish cold water (at the normal temperature of the water supply provide such services to the Building) to the Building for drinking and lavatory purposes and hot water (from the regular Building supply at prevailing temperatures) to the Building for lavatory purposes. (c) Cause the Premises to be cleaned after normal business hours in accordance with the Cleaning Specifications as set forth in Exhibit "E". (d) Make such repairs and replacements to the Premises as reasonably required (Tenant, Tenant shall solely pay to Landlord, 30 days after demand, as Additional Rent, Landlord's charges for providing such services. Failure to furnish, or any stoppage of, the services provided for in this Part 5 and in Part 6 below resulting from any cause will not make Landlord ------ ------ liable in any respect for damages to any person, property, or business, nor be responsible for the payment of the cost of same, if required, due to the negligence, misuse, abuse or willful misconduct construed as an eviction of Tenant, its agentsnor entitle Tenant to any abatement of Rent, servants or employees, invitees, subtenants, contractors damages because of malfunctions or assignsany interruptions in service except as otherwise provided in. Section 6.03(c). (e) Provide window washing, landscaping, including lawn maintenance, snow removal from sidewalks, driveways and parking areas and directory board maintenance.

Services by Landlord. 10.01 Landlord shall cause to be furnished to the Premises, during the hours of 7:00 A.M. to 6:00 P.M., Monday through Friday, and 8:00 a.m. to 1:00 p.m. on Saturday each and every week (excluding New Year's Day, Memorial Day, Independence Day, Labor Day, Thanksgiving Day and Christmas Day) for all areas of the Premises (collectively, "Standard Hours of Operation") the following services: janitorial services (as described in Exhibit N attached hereto); water for drinking, lavatory and toilet purposes on each floor; operatorless elevator service; trash removal in accordance with city schedules; electricity for general office space use; and heating, ventilation and air conditioning sufficient for the reasonable comfort of the occupants of the Premises, provided heating, ventilation, and cooling conforming to any valid governmental regulation prescribing limitations thereon shall be deemed to comply with this service. Landlord shall furnish the following services Premises with sufficient and proper electricity for routine usage and lighting, which includes, but is not limited to, the operation of general office machines, such as electric typewriters, personal computers, word processing equipment, dictating equipment, calculating machines, work station peripherals, printers, and general service non-production type office copy machines. Landlord shall further maintain, service and replace building standard fluorescent lighting fixtures, including the replacement of fluorescent bulbs, and all other lighting fixtures, lamps and controls. Tenant shall not install equipment with unusual demands for any of the foregoing without Landlord's prior written consent, which Landlord may withhold if it determines that in its reasonable opinion such equipment may not be safely used in the Premises or that electrical service is not adequate therefor. If heat generating machines or equipment other than as set forth or contemplated above shall be used in the Premises by Tenant which affect the temperature otherwise maintained by the heating and air conditioning system, Landlord shall have the right to install supplemental air conditioning units in the Premises and the Parcel: actual cost thereof, including the cost of engineering, installation, operation and maintenance thereof, shall be paid by Tenant within thirty (a30) Keep days of demand therefor by Landlord. Landlord shall be responsible for the maintenance, replacement and repair of the common areas of and around the Building, structural components of the Building, including, but not limited to, roof, elevators, and plumbing, heating, air conditioning, ventilation and electrical distribution systems. Not withstanding any provision in operation in this Lease to the Building a heating apparatus during such periods as same may be necessary contrary, Tenant covenants and agrees to maintain an inside temperature at 70 degrees at a minimum outside temperature of 0 degrees dry bulb between pay all charges for electricity used, rendered, or supplied exclusively to or for the 15th day of October Premises and the 1st day parking area, after the Commencement Date, and to contract for the same in Tenant's own name. In the event Landlord shall expand into Phase II and/or Phase III, as referenced in Section 11.19 hereunder, all costs and expenses related to electricity used for the parking lot and driveway shall be prorated between Tenant and other tenants of May said Phases II and III. Tenant shall notify Landlord in writing of each year interruption of services, and an air conditioning system during Landlord shall reasonably and in good faith and within the means and obligations hereunder cure such periods interruptions. For as same may long as Landlord acts reasonably and in good faith and within the means and obligations hereunder, to cure the interruption of service, there shall be necessary no abatement or reduction of rent by reason of any of the foregoing services not being continuously provided to maintain an inside temperature Tenant. Notwithstanding, if said interruption of 78 degrees when the outside temperature is at a maximum of 94 degrees dry bulb services fails to be operated throughout the term cured within sixty (60) days of this Lease or any renewal hereof, between the hours Tenant's notice to Landlord of 8:00 a.m. to 6:00 p.m., Monday through Friday (Legal Holidays excepted as set forth in Exhibit "F"), subject, however, to governmental requirements. Landlord, at its cost, at the inception of this Lease, will furnish a light bulb or bulbs or fluorescent tube or tubes, as the case may be, and standard ballasts, for each lighting fixture then installed on the Premises. landlord shall provide and reserves the right to make reasonable additional charges, payable as Additional Rent, for services furnished at the request of Tenant on days or at times other than those above defined as provided in Section 6.04 (d). Notwithstanding the foregoingsuch interruption, Tenant shall have the right to enter abatement or reduction of rent for the period of interruption until such interruption is cured, provided however, to the extent that such interruption adversely and materially affects Tenant's use of the Premises, such interruption is not the result of Tenant's actions or inactions, and such interruption is not the result of the failure of a utility to provide such service to the Property. Tenant shall report promptly to Landlord any defective condition in or about the Premises at all hours actually known to Tenant, and times if such defect is not so reported and such failure to promptly report results in which event other damage Tenant agrees shall be liable for same. Landlord shall not be liable to keep all outside doors locked. (b) Furnish cold water (at the normal temperature of the water supply Tenant for any damage caused to the Building) Tenant and its property due to the Building for drinking and lavatory purposes and hot water (or any part or pertinence thereof being improperly constructed or being or becoming out of repair, or arising from the regular Building supply at prevailing temperatures) to leaking of gas, water, sewer or steam pipes or from electricity unless such damage is the Building for lavatory purposes. (c) Cause the Premises to be cleaned after normal business hours in accordance with the Cleaning Specifications as set forth in Exhibit "E". (d) Make such repairs result of Landlord's or Landlord's agents', employees' and replacements to the Premises as reasonably required (representatives' gross negligence or willful misconduct. This covenant or obligation of Tenant shall solely be responsible for the payment of the cost of same, if required, due not in any manner create rights in any party not a signatory to the negligence, misuse, abuse or willful misconduct of Tenant, its agents, servants or employees, invitees, subtenants, contractors or assigns)this Lease. (e) Provide window washing, landscaping, including lawn maintenance, snow removal from sidewalks, driveways and parking areas and directory board maintenance.

Services by Landlord. 10.01 Throughout the Term, Landlord shall maintain the Building and the Land in a first-class manner and shall furnish or cause to be furnished, the following services services: (I) passenger elevator service in common with other tenants for access to and from the Premises and Premises, provided that Landlord may reasonably limit the Parcel: (a) Keep in operation in the Building a heating apparatus during such periods as same may be necessary to maintain an inside temperature at 70 degrees at a minimum outside temperature number of 0 degrees dry bulb between the 15th day of October and the 1st day of May of each year and an air conditioning system during such periods as same may be necessary to maintain an inside temperature of 78 degrees when the outside temperature is at a maximum of 94 degrees dry bulb elevators to be operated throughout the term of this Lease or any renewal hereofat night after normal business hours and on Saturdays, between the hours of 8:00 a.m. to 6:00 p.m.Sundays, and holidays and that Landlord may remove elevators from service for maintenance so long as at least one elevator is always functioning and usable by Tenant, (ii) janitorial cleaning services Monday through Friday (Legal Holidays excepted except holidays) in accordance with the Standards attached as set forth Exhibit J; --------- (iii) replacement, as necessary, of ceiling tiles and all lamps and ballasts in Exhibit "F"), subject, however, to governmental requirements. LandlordBuilding Standard light fixtures within the Premises; (iv) the utility services provided for in Part 6 below (v) adequate supplies for toilet rooms throughout ------ the Building; (vi) building security system provided that Landlord may use the building security systems currently installed in the Building and Tenant, at its Tenant's sole cost, at shall be permitted to install or use supplemental security services for the inception Building and Landlord hereby agrees to cooperate with Tenant in Tenant's use of this Leaseany such services; (vii) window washing of all windows in the Building two times per year and (viii) landscaping, will furnish a light bulb or bulbs or fluorescent tube or tubesroad, as sidewalk, driveway and parking lot repair and maintenance including, without limitation, restriping the case may beparking lot, and standard ballasts, for each lighting fixture then installed reasonable ice and snow removal in accordance with first class maintenance of all improvements on the PremisesLand. landlord An engineer shall provide be located at either the Building or Fair Lakes South all day during every Business Day throughout the Term and reserves the right to make reasonable additional charges, payable as Additional Rent, for services furnished shall be available on-call at the request of all other times. Provided Tenant on gives Landlord notice 45 days or at times other than those above defined as provided in Section 6.04 (d). Notwithstanding the foregoingadvance, Tenant shall have the right at its sole option to enter contract for cleaning and use janitorial services for the Premises at all hours and times Premises, or for the Building if Tenant is leading the entire Building, with a third party provider in which event the costs of such services shall not be included in Operating Expenses. If Tenant agrees requires services which are not specified herein and Landlord elects to keep all outside doors locked. (b) Furnish cold water (at the normal temperature of the water supply provide such services to the Building) to the Building for drinking and lavatory purposes and hot water (from the regular Building supply at prevailing temperatures) to the Building for lavatory purposes. (c) Cause the Premises to be cleaned after normal business hours in accordance with the Cleaning Specifications as set forth in Exhibit "E". (d) Make such repairs and replacements to the Premises as reasonably required (Tenant, Tenant shall solely pay to Landlord, 30 days after demand, as Additional Rent, Landlord's charges for providing such services. Failure to furnish, or any stoppage of, the services provided for in this Part 5 and in Part 6 below resulting from any cause will not make Landlord ------ ------ liable in any respect for damages to any person, property, or business, nor be responsible for the payment of the cost of same, if required, due to the negligence, misuse, abuse or willful misconduct construed as an eviction of Tenant, its agentsnor entitle Tenant to any abatement of Rent, servants or employees, invitees, subtenants, contractors damages because of malfunctions or assignsany interruptions in service except as otherwise provided in. Section 6.03(c). (e) Provide window washing, landscaping, including lawn maintenance, snow removal from sidewalks, driveways and parking areas and directory board maintenance.

Services by Landlord. 10.01 To the extent furnished by the Master Landlord shall to Landlord under the Master Lease, Landlord agrees to furnish the following services to the Leased Premises and the Parcelfollowing: (a) Keep in operation in air conditioning, both heating and cooling (as required by the Building a heating apparatus seasons); during such periods as same may be necessary to maintain an inside temperature at 70 degrees Normal Business Hours at a minimum outside temperature ranging plus or minus 2 degrees from: in summer, 76 degrees Fahrenheit dry bulb maximum indoor building temperature with a 50% maximum relative humidity based on a design outdoor temperature of 0 102 degrees Fahrenheit dry bulb, 78 degrees Fahrenheit wet bulb and using a 1% design column; and in winter, 72 degrees Fahrenheit dry bulb between the 15th day of October and the 1st day of May of each year and an air conditioning system during such periods as same may be necessary to maintain an inside minimum indoor building temperature based on a design outdoor temperature of 78 18 degrees when the outside temperature is at a maximum of 94 degrees Fahrenheit dry bulb to be operated throughout the term of this Lease or any renewal hereof, between the hours of 8:00 a.m. to 6:00 p.m., Monday through Friday (Legal Holidays excepted as set forth in Exhibit "F"), subjectand using a 99% design column; provided, however, to governmental requirements. Landlordthat circulating air will not be available other than by air conditioning and if Tenant shall require air conditioning at any time other than during Normal Business Hours, at its cost, at Landlord shall furnish the inception of this Lease, will furnish same for the area or areas specified in a light bulb or bulbs or fluorescent tube or tubes, as the case may be, and standard ballasts, for each lighting fixture then installed on the Premises. landlord shall provide and reserves the right to make reasonable additional charges, payable as Additional Rent, for services furnished at the written request of Tenant on days or at times other than those above defined as provided in Section 6.04 (d). Notwithstanding delivered to the foregoingLandlord and the superintendent of the Project before 3:00 p.m. of the business day preceding this extra usage, and for such service Tenant shall have pay Landlord, as additional Rent within five (5) days after receipt of a bill xxxrefor, the right to enter actual cost of such service as reasonably determined by Master Landlord's engineer for the Buildings and use if more than one tenant has requested and is furnished this service for the Premises at all hours same hour(s), it is understood that the charge will be prorated if such proration is reasonably possible and times in which event Tenant agrees to keep all outside doors locked.practicable; (b) Furnish cold water (at the normal temperature of the supply of water supply to the BuildingProject) to the Building for lavatory and toilet purposes, refrigerated water for drinking and lavatory purposes at the core area fountains, and hot water at a temperature ranging between 100 degrees and 120 degrees Fahrenheit (from the regular Building Project supply at prevailing temperatures) for core area restroom lavatory purposes, all of such water service to be supplied from the regular supply of water to the Building Buildings at points of supply provided for lavatory purposes.general use of tenants of the Buildings; (c) Cause janitor and maid service to the Leased Premises to be cleaned after normal business hours on days other than Fridays, Saturdays, and Normal Business Holidays in accordance with the Cleaning Specifications cleaning schedule attached hereto as set forth Exhibit D and exterior, perimeter window washing at least semiannually and more often, if necessary in Exhibit "E".the reasonable judgment of the Master Landlord; (d) Make such repairs operator-less passenger elevators where applicable and replacements provided for ingress and egress from the floor(s) on which the Leased Premises are located, provided that Master Landlord may reasonably limit the number of elevators to be in operation on Saturdays, Sundays and Normal Business Holidays, and freight elevator service in common with other tenants but only when scheduled through the Premises as reasonably required (Tenant shall solely be responsible for the payment managers of the cost of same, if required, due to the negligence, misuse, abuse or willful misconduct of Tenant, its agents, servants or employees, invitees, subtenants, contractors or assigns).Buildings; (e) Provide window washing, landscaping, including lawn maintenance, snow removal from sidewalks, driveways and parking Building standard core area rest room facilities; (f) electric lighting for all public areas and directory board maintenancespecial service areas of the Buildings in the manner and to the extent deemed by Master Landlord to be Building Standard including replacement of Building Standard light bulbs and tubes; (g) All replacement lighting tubes (F34WW fluorescent Wattmiser) and bulbs (11 watt fluorescent flood light) for elevator lobbies required in Building Standard fixtures in the Leased Premises will be furnished and installed by Landlord at Landlord's expense. (h) Building standard smoke detection and alarm systems for the Buildings and all substitutions, additions and replacements of such systems; and (i) Building standard security to the Leased Premises, the Project, the Plaza and all parking facilities, which security may include limited access entry cards to the Buildings or parking facilities and security personnel in stationary locations or in mobile patrols. Landlord hereby assigns to Tenant all of Landlord's rights under Paragraph 10 of the Master Lease to the extent necessary to require Master Landlord to furnish the above services to Tenant.