Common use of Title and Terms; Payments Clause in Contracts

Title and Terms; Payments. The aggregate principal amount of Notes that may be authenticated and delivered under this Indenture is $20,849,559.47 (the “Initial Notes”), except for Notes authenticated and delivered upon registration or transfer of, or in exchange for other Notes pursuant to Sections 2.05, 2.06, 2.08, 2.09, 2.11, 2.15, 3.07 or 4.02(d). The Notes shall be known and designated as the “Subordinated Secured Convertible Notes due 2026” of the Company. The principal amount shall be payable on the Maturity Date unless no longer Outstanding because earlier purchased or converted in accordance with this Indenture. The Notes shall initially be delivered on the Initial Issue Date in the form of Physical Notes. The Notes shall only be eligible for delivery in the form of Global Notes following the date that the Notes are eligible for delivery in book-entry form through the Depository Trust Company. The Company shall use its best efforts to have the Notes eligible for delivery in the form of Global Notes immediately following the initial Effectiveness Date (as such term is defined in the Registration Rights Agreement). None of the Trustee nor any Agent shall have an obligation to cause the Notes to be made eligible for delivery in the form of Global Notes. The principal amount of Physical Notes shall be payable in U.S. dollars at the Corporate Trust Office and at any other office or agency maintained by the Company for such purpose. Interest and the Make-Whole Amount on Physical Notes will be payable (i) to Holders holding Physical Notes having an aggregate principal amount of $1,000,000 or less of Notes, by check mailed to such Holders at the address set forth in the Register, and (ii) to Holders holding Physical Notes having an aggregate principal amount of more than $1,000,000 of Notes, either by check mailed to such Holders or, upon written application by a Holder to the Company and Paying Agent by (x) with respect to the payment of any interest due on an Interest Payment Date, the immediately preceding Regular Record Date; (y) with respect to any cash conversion consideration, the relevant Conversion Date; and (z) with respect to any other payment, the date that fifteen (15) calendar days immediately before the date such payment is due by wire transfer in immediately available funds to such Holder’s account within the U.S., which application shall remain in effect until the Holder notifies the Paying Agent to the contrary in writing, and (iii) with respect to PIK Payments by PIK Interest Notes mailed to such Holders at the address set forth in the Register. The Company will pay or cause the Trustee or the Paying Agent to pay principal of Global Notes in U.S. dollars and in immediately available funds (with PIK Interest to be paid as described in Section 2.15) to the Depositary or its nominee, as the case may be, as the registered Holder of such Global Note, on each Interest Payment Date the Maturity Date or other payment date, including for the Make-Whole Payment, as the case may be.

Title and Terms; Payments. The aggregate principal amount Principal Amount of Notes that may be authenticated and delivered under this Indenture is initially limited to $20,849,559.47 65,000,000 (the “Initial Notes”), except for Notes authenticated and delivered upon registration or transfer of, or in exchange for for, or in lieu of, other Notes pursuant to Sections 2.053.05, 2.063.06, 2.083.07, 2.093.08, 2.113.09, 2.153.11, 3.07 3.12 or 4.02(d8.05. The Company may, from time to time after the execution of this Indenture, execute and deliver to the Trustee for authentication Additional Notes of an unlimited aggregate principal amount, and the Trustee shall thereupon authenticate and deliver said Additional Notes to or upon the written order of the Company, without any further action by the Company hereunder; provided, however, that no such Additional Notes may be issued unless fungible with the Initial Notes under U.S. securities laws and for U.S. federal income tax purposes. Additional Notes shall have the same terms as Initial Notes (other than issue price, and in some cases, the date from which interest shall accrue). The Notes shall be known and designated as the “Subordinated Secured 6.00% Convertible Senior Notes due 20262020” of the Company. The principal amount Principal Amount shall be payable on the Maturity Date unless no longer Outstanding because earlier purchased or converted in accordance with this IndentureDate. The Notes shall initially be delivered on the Initial Issue Date in the form of Physical Notes. The Notes shall only be eligible for delivery in the form of Global Notes following the date that the Notes are eligible for delivery in book-entry form through the Depository Trust Company. The Company shall use its best efforts to have the Notes eligible for delivery in the form of Global Notes immediately following the initial Effectiveness Date (as such term is defined in the Registration Rights Agreement). None of the Trustee nor any Agent shall have an obligation to cause the Notes to be made eligible for delivery in the form of Global Notes. The principal amount of Principal Amount of, and interest on, Physical Notes shall be payable in U.S. dollars at the Corporate Trust Office and at any other office or agency maintained by the Company for such purposepurpose in the continental United States of America. Interest and the Make-Whole Amount on Physical Notes will be payable (i) to Holders holding Physical Notes having an aggregate principal amount Principal Amount of $1,000,000 or less of Notes, by check mailed to such Holders at the address set forth in the Register, Register and (ii) to Holders holding Physical Notes having an aggregate principal amount Principal Amount of more than $1,000,000 of Notes, either by check mailed to such Holders or, upon written application by a Holder to the Company and Paying Agent by (x) with respect to Registrar not later than the payment of any interest due on an Interest Payment Date, the immediately preceding relevant Regular Record Date; (y) with respect to any cash conversion consideration, the relevant Conversion Date; and (z) with respect to any other Date for such interest payment, the date that fifteen (15) calendar days immediately before the date such payment is due by wire transfer in immediately available funds to such Holder’s account within the U.S.United States, which application shall remain in effect until the Holder notifies the Paying Agent Registrar to the contrary in writing, and (iii) with respect to PIK Payments by PIK Interest Notes mailed to such Holders at the address set forth in the Register. The Company will pay or cause principal of, interest on, and the Trustee or the Paying Agent to pay principal of Interest Make-Whole Payment, if applicable, on Global Notes in U.S. dollars and in immediately available funds (with PIK Interest to be paid as described in Section 2.15) to the Depositary The Depository Trust Company or its nominee, as the case may be, as the registered Holder holder of such Global Noteglobal note, on each Interest Payment Date the Maturity Date, Redemption Date, Fundamental Change Purchase Date or other payment date, including for the Make-Whole Payment, as the case may be. Any Notes repurchased by the Company will be retired and no longer outstanding hereunder.

Title and Terms; Payments. The aggregate principal amount of Notes that may be authenticated and delivered under this Indenture is limited to $20,849,559.47 336,470,000 (the “Initial Notes”), except for Notes authenticated and delivered upon registration or transfer of, or in exchange for for, or in lieu of, other Notes pursuant to Sections 2.05, 2.06, 2.07, 2.08, 2.09, 2.11, 2.15, 3.07 or 4.02(d)3.07. The Notes shall be known and designated as the “Subordinated 3.75% Guaranteed Exchangeable Senior Secured Convertible Notes due 20262020” of the Company. The principal amount shall be payable on the Maturity Date unless no longer Outstanding because earlier purchased or converted exchanged in accordance with this Indenture. The Notes shall initially be delivered on the Initial Issue Date in the form of Physical Notes. The Notes shall only be eligible for delivery in the form of Global Notes following the date that the Notes are eligible for delivery in book-entry form through the Depository Trust Company. The Company shall use its best efforts to have the Notes eligible for delivery in the form of Global Notes immediately following the initial Effectiveness Date (as such term is defined in the Registration Rights Agreement). None of the Trustee nor any Agent shall have an obligation to cause the Notes to be made eligible for delivery in the form of Global Notes. The principal amount of Physical Notes shall be payable in U.S. dollars at the Corporate Trust Office and at any other office or agency maintained by the Company for such purpose. Interest and the Make-Whole Amount on Physical Notes will be payable (i) to Holders holding Physical Notes having an aggregate principal amount of $1,000,000 or less of Notes, by check mailed to such Holders at the address set forth in the Register, Register and (ii) to Holders holding Physical Notes having an aggregate principal amount of more than $1,000,000 of Notes, either by check mailed to such Holders or, upon written application by a Holder to the Company and Paying Agent by (x) with respect Registrar at least three Business Days prior to the payment of any interest due on an relevant Interest Payment Date, the immediately preceding Regular Record Date; (y) with respect to any cash conversion consideration, the relevant Conversion Date; and (z) with respect to any other payment, the date that fifteen (15) calendar days immediately before the date such payment is due by wire transfer in immediately available funds to such Holder’s account within the U.S., which application shall remain in effect until the Holder notifies the Paying Agent Registrar to the contrary in writing, and (iii) with respect to PIK Payments by PIK Interest Notes mailed to such Holders at the address set forth in the Register. The Company will pay or cause the Trustee or the Paying Agent to pay principal of of, and interest on, Global Notes in U.S. dollars and in immediately available funds (with PIK Interest to be paid as described in Section 2.15) to the Depositary or its nominee, as the case may be, as the registered Holder of such Global Note, on each Interest Payment Date Date, Fundamental Change Purchase Date, the Maturity Date or other payment date, including for the Make-Whole Payment, as the case may be.

Title and Terms; Payments. The aggregate principal amount of Notes that may be authenticated and delivered under this Indenture is initially limited to $20,849,559.47 34,405,000 (the “Initial Notes”), except for Notes authenticated and delivered upon registration or transfer of, or in exchange for for, in lieu of, or as PIK Payments on other Notes pursuant to Sections 2.05, 2.06, 2.08, 2.09, 2.11, 2.15, 3.07 or 4.02(d). The Notes shall be known and designated as the “Subordinated Secured 7.0% Cash / 8.0% PIK Series B Senior Unsecured Convertible Notes due 20262023” of the Company. The principal amount shall be payable on the Maturity Date unless no longer Outstanding because earlier purchased or converted in accordance with this Indenture. The Notes shall initially be delivered on the Initial Issue Date in the form of Physical Notes. The Notes shall only be eligible for delivery in the form of Global Notes following the date that the Notes are eligible for delivery in book-entry form through the Depository Trust Company. The Company shall use its best efforts to have the Notes eligible for delivery in the form of Global Notes immediately following the initial Effectiveness Date (as such term is defined in the Registration Rights Agreement). None of the Trustee nor any Agent shall have an obligation to cause the Notes to be made eligible for delivery in the form of Global Notes. The principal amount of Physical Notes shall be payable in U.S. dollars at the Corporate Trust Office and at any other office or agency maintained by the Company for such purpose. Interest and the Make-Whole Amount on Physical Notes will be payable (i) to Holders holding Physical Notes having an aggregate principal amount of $1,000,000 or less of Notes, by check mailed to such Holders at the address set forth in the Register, and (ii) to Holders holding Physical Notes having an aggregate principal amount of more than $1,000,000 of Notes, either by check mailed to such Holders or, upon written application by a Holder to the Company and Paying Agent by (x) with respect Registrar at least three Business Days prior to the payment of any interest due on an relevant Interest Payment Date, the immediately preceding Regular Record Date; (y) with respect to any cash conversion consideration, the relevant Conversion Date; and (z) with respect to any other payment, the date that fifteen (15) calendar days immediately before the date such payment is due by wire transfer in immediately available funds to such Holder’s account within the U.S., which application shall remain in effect until the Holder notifies the Paying Agent Registrar to the contrary in writing, and (iii) with respect to PIK Payments by PIK Interest Notes mailed to such Holders at the address set forth in the Register. The Company will pay or cause the Trustee or the Paying Agent to pay principal of of, and interest on, Global Notes in U.S. dollars and in immediately available funds (except with respect to PIK Interest to Interest, which will be paid as described in Section 2.15) to the Depositary or its nominee, as the case may be, as the registered Holder of such Global Note, on each Interest Payment Date Date, Fundamental Change Purchase Date, the Maturity Date or other payment date, including for the Make-Whole Payment, as the case may be.

Title and Terms; Payments. The There is hereby established the "4% Senior Convertible Notes due 2022" in an initial aggregate principal amount of Notes that may be authenticated and delivered under this Indenture is $20,849,559.47 (the “Initial Notes”), except for Notes authenticated and delivered upon registration or transfer of, or in exchange for other Notes pursuant to Sections 2.05, 2.06, 2.08, 2.09, 2.11, 2.15, 3.07 or 4.02(d)3,000,000. The Notes shall be known issued in minimum denominations of $100 and designated as integral multiples of $100 in excess thereof. No conversion or repurchase shall be permitted if it would result in the “Subordinated Secured Convertible issuance of a Note with a minimum denomination of less than $100. The Notes due 2026” of the Companyshall be issuable only in registered form without coupons. The principal amount of Notes then outstanding shall be payable on the Maturity Date unless no longer Outstanding because earlier purchased or converted in accordance with this IndentureDate. The Notes shall initially bear interest at a rate of 4% per annum. Interest shall accrue from the initial issuance date of the Notes, and shall be delivered payable annually in arrears on the Initial Issue Date in the form of Physical Notes. The Notes shall only be eligible for delivery in the form of Global Notes following the date that the Notes are eligible for delivery in book-entry form through the Depository Trust Companyeach Interest Payment Date, beginning February 15, 2018. The Company shall use its best efforts to have pay the Notes eligible for delivery in the form principal of and interest on any Global Notes immediately following the initial Effectiveness Date (as such term is defined in the Registration Rights Agreement). None of the Trustee nor any Agent shall have an obligation to cause the Notes to be made eligible for delivery in the form of Global Notes. The principal amount of Physical Notes shall be payable in U.S. dollars at the Corporate Trust Office and at any other office or agency maintained by the Company for such purpose. Interest and the Make-Whole Amount on Physical Notes will be payable (i) to Holders holding Physical Notes having an aggregate principal amount of $1,000,000 or less of Notes, by check mailed to such Holders at the address set forth in the Register, and (ii) to Holders holding Physical Notes having an aggregate principal amount of more than $1,000,000 of Notes, either by check mailed to such Holders or, upon written application by a Holder to the Company and Paying Agent by (x) with respect to the payment of any interest due on an Interest Payment Date, the immediately preceding Regular Record Date; (y) with respect to any cash conversion consideration, the relevant Conversion Date; and (z) with respect to any other payment, the date that fifteen (15) calendar days immediately before the date such payment is due by wire transfer Note in immediately available funds to such Holder’s account within the U.S., which application shall remain in effect until the Holder notifies the Paying Agent to the contrary in writing, and (iii) with respect to PIK Payments by PIK Interest Notes mailed to such Holders at the address set forth in the Register. The Company will pay or cause the Trustee or the Paying Agent to pay principal of Global Notes in U.S. dollars and in immediately available funds (with PIK Interest to be paid as described in Section 2.15) to the Depositary or its nominee, as the case may be, as the registered Holder of such Global Note. However, the Company has the sole discretion to repay the principal and any interest payments on each Interest Payment Date any Global Note in cash or by payment-in-kind of the Maturity Date Company's common stock. The Company shall pay the principal of any Definitive Notes at the office or other agency designated by the Company for that purpose. The Company has initially designated the Trustee as its Paying Agent and Registrar in respect of the Notes and its agency in Frisco, Texas as a place where Notes may be presented for payment dateor for registration of transfer. The Company may, including however, change the Paying Agent or Registrar for the MakeNotes without prior notice to the Holders thereof, and the Company may act as Paying Agent or Registrar for the Notes. Interest on any Definitive Notes shall be payable to Holders of Definitive Notes either by check mailed to each Holder at its address in the Register or, upon application by a Holder to the Registrar not later than the relevant Regular Record Date, by wire transfer in immediately available funds to that Holder's account within the United States, which application shall remain in effect until that Holder notifies, in writing, the Registrar to the contrary. The payment-Whole Paymentin-kind repayment of principal by common stock at maturity would be determined by the average of the closing prices of the Common Stock as reported by Bloomberg L.P. for the Principal Trading Market for the 30 Trading Days preceding the Principal Repayment Date, with the final number of shares of Common Stock rounded up to the next whole share. Fractional shares shall not be issued. The payment-in-kind payment of interest at any time would be determined by the average of the closing prices of the Common Stock as reported by Bloomberg L.P. for the case may bePrincipal Trading Market for the 30 Trading Days preceding the Regular Record Date with the final number of shares of Common Stock rounded up to the next whole share. Fractional shares shall not be issued.

Title and Terms; Payments. There is hereby authorized a series of Securities designated the “5% Convertible Senior Notes due 2017” initially limited in aggregate principal amount to $345,000,000, which amount shall be as set forth in any written order of the Company for the authentication and delivery of Notes pursuant to Section 3.3 of the Original Indenture. The aggregate principal amount of Notes that may be authenticated and delivered under this Indenture is $20,849,559.47 (the “Initial Notes”), except for Notes authenticated and delivered upon registration or transfer of, or in exchange for other Notes pursuant to Sections 2.05, 2.06, 2.08, 2.09, 2.11, 2.15, 3.07 or 4.02(d). The Notes shall be known and designated as the “Subordinated Secured Convertible Notes due 2026” of the Company. The principal amount then outstanding shall be payable on the Maturity Date unless no longer Outstanding because earlier purchased or converted in accordance with this IndentureDate. The Notes shall initially be delivered on the Initial Issue Date in form of Note (including the form of Physical Notes. The Notes shall only be eligible for delivery in notice of conversion, the form of Global Notes following Fundamental Change Repurchase Notice and the date that form of assignment and transfer) shall be substantially as set forth in Exhibit A hereto, which is incorporated into and shall be deemed a part of this Supplemental Indenture, with such appropriate insertions, omissions, substitutions and other variations as are required or permitted by the Notes are eligible for delivery in book-entry form through Indenture, and may have such letters, numbers or other marks of identification and such legends or endorsements placed thereon as may be required to comply with the Depository Trust Companyrules of any securities exchange or as may, consistently herewith, be determined by the officers of the Company executing the Notes, as evidenced by their execution of the Notes. The Company shall use its best efforts to have make payments in respect of the Notes eligible for delivery in the form of principal and interest, including Additional Interest, if any, on Global Notes immediately following the initial Effectiveness Date (as such term is defined in the Registration Rights Agreement). None of the Trustee nor any Agent shall have an obligation to cause the Notes to be made eligible for delivery in the form of Global Notes. The principal amount of Physical Notes shall be payable in U.S. dollars at the Corporate Trust Office and at any other office or agency maintained by the Company for such purpose. Interest and the Make-Whole Amount on Physical Notes will be payable (i) to Holders holding Physical Notes having an aggregate principal amount of $1,000,000 or less of Notes, by check mailed to such Holders at the address set forth in the Register, and (ii) to Holders holding Physical Notes having an aggregate principal amount of more than $1,000,000 of Notes, either by check mailed to such Holders or, upon written application by a Holder to the Company and Paying Agent by (x) with respect to the payment of any interest due on an Interest Payment Date, the immediately preceding Regular Record Date; (y) with respect to any cash conversion consideration, the relevant Conversion Date; and (z) with respect to any other payment, the date that fifteen (15) calendar days immediately before the date such payment is due by wire transfer in immediately available funds to such Holder’s account within the U.S., which application shall remain in effect until the Holder notifies the Paying Agent to the contrary in writing, and (iii) with respect to PIK Payments by PIK Interest Notes mailed to such Holders at the address set forth in the Register. The Company will pay or cause the Trustee or the Paying Agent to pay principal of Global Notes in U.S. dollars and in immediately available funds (with PIK Interest to be paid as described in Section 2.15) to the Depositary or its nominee, as the case may be, in its capacity as the registered Holder under the Indenture. In the case of certificated Notes, the Company shall make payments in U.S. dollars at the office of the Paying Agent or, at the Company’s option, by check mailed to the Holder’s registered address (or, if requested by a Holder of more than $1 million of Notes, by wire transfer to the account designated by such Global Note, Holder). The Company shall make any required interest payments to the person in whose name each Note is registered at the Close of Business on each Interest Payment Date the Maturity Date or other payment date, including record date for the Make-Whole Payment, interest payment. The Paying Agent shall be designated as the case Company’s paying agent for payments on the Notes. The Company may beat any time designate additional paying agents or rescind the designation of any Paying Agent or approve a change in the office through which any Paying Agent acts. Subject to the requirements of any applicable abandoned property laws, the Trustee and the Paying Agent shall pay to the Company upon written request any money held by them for payments on the Notes that remain unclaimed for two years after the date upon which that payment has become due. After payment to the Company, Holders entitled to the money must look to the Company for payment. In that case, all liability of the Trustee or Paying Agent with respect to that money shall cease.

Title and Terms; Payments. The aggregate principal amount of Notes that may be authenticated and delivered under this Indenture is limited to $20,849,559.47 (the “Initial Notes”)225,000,000, except for Notes authenticated and delivered upon registration or transfer of, or in exchange for for, or in lieu of, other Notes pursuant to Sections 2.05, 2.06, 2.07, 2.08, 2.09, 2.11, 2.15, 3.07 or 4.02(d)3.07. The Notes shall be known and designated as the “Subordinated 5% Guaranteed Convertible Senior Secured Convertible Notes due 20262018” of the Company. The principal amount shall be payable on the Maturity Date unless no longer Outstanding because earlier purchased or converted in accordance with this Indenture. The Notes shall initially be delivered on the Initial Issue Date in the form of Physical Notes. The Notes shall only be eligible for delivery in the form of Global Notes following the date that the Notes are eligible for delivery in book-entry form through the Depository Trust Company. The Company shall use its best efforts to have the Notes eligible for delivery in the form of Global Notes immediately following the initial Effectiveness Date (as such term is defined in the Registration Rights Agreement). None of the Trustee nor any Agent shall have an obligation to cause the Notes to be made eligible for delivery in the form of Global Notes. The principal amount of Physical Notes shall be payable in U.S. dollars at the Corporate Trust Office and at any other office or agency maintained by the Company for such purpose. Interest and the Make-Whole Amount on Physical Notes will be payable (i) to Holders holding Physical Notes having an aggregate principal amount of $1,000,000 or less of Notes, by check mailed to such Holders at the address set forth in the Register, Register and (ii) to Holders holding Physical Notes having an aggregate principal amount of more than $1,000,000 of Notes, either by check mailed to such Holders or, upon written application by a Holder to the Company and Paying Agent by (x) with respect Registrar at least three Business Days prior to the payment of any interest due on an relevant Interest Payment Date, the immediately preceding Regular Record Date; (y) with respect to any cash conversion consideration, the relevant Conversion Date; and (z) with respect to any other payment, the date that fifteen (15) calendar days immediately before the date such payment is due by wire transfer in immediately available funds to such Holder’s account within the U.S., which application shall remain in effect until the Holder notifies the Paying Agent Registrar to the contrary in writing, and (iii) with respect to PIK Payments by PIK Interest Notes mailed to such Holders at the address set forth in the Register. The Company will pay or cause the Trustee or the Paying Agent to pay principal of of, and interest on, Global Notes in U.S. dollars and in immediately available funds (with PIK Interest to be paid as described in Section 2.15) to the Depositary or its nominee, as the case may be, as the registered Holder of such Global Note, on each Interest Payment Date Date, Fundamental Change Purchase Date, the Maturity Date or other payment date, including for the Make-Whole Payment, as the case may be.

Title and Terms; Payments. The aggregate principal amount of Notes that may be authenticated and delivered under this Indenture is $20,849,559.47 17,763,260.45 (the “Initial Notes”), except for Notes authenticated and delivered upon registration or transfer of, or in exchange for other Notes pursuant to Sections 2.05, 2.06, 2.08, 2.09, 2.11, 2.15, 3.07 or 4.02(d). The Notes shall be known and designated as the “Subordinated Senior Secured Convertible Notes due 20262025” of the Company. The principal amount shall be payable on the Maturity Date unless no longer Outstanding because earlier purchased or converted in accordance with this Indenture. The Notes shall initially be delivered on the Initial Issue Date in the form of Physical Notes. The Notes shall only be eligible for delivery in the form of Global Notes following the date that the Notes are eligible for delivery in book-entry form through the Depository Trust Company. The Company shall use its best efforts to have the Notes eligible for delivery in the form of Global Notes immediately following the initial Effectiveness Date (as such term is defined in the Registration Rights Agreement). None of the Trustee nor any Agent shall have an obligation to cause the Notes to be made eligible for delivery in the form of Global Notes. The principal amount of Physical Notes shall be payable in U.S. dollars at the Corporate Trust Office and at any other office or agency maintained by the Company for such purpose. Interest and the Make-Whole Amount on Physical Notes will be payable (i) to Holders holding Physical Notes having an aggregate principal amount of $1,000,000 or less of Notes, by check mailed to such Holders at the address set forth in the Register, and (ii) to Holders holding Physical Notes having an aggregate principal amount of more than $1,000,000 of Notes, either by check mailed to such Holders or, upon written application by a Holder to the Company and Paying Agent by (x) with respect to the payment of any interest due on an Interest Payment Date, the immediately preceding Regular Record Date; (y) with respect to any cash conversion consideration, the relevant Conversion Date; and (z) with respect to any other payment, the date that fifteen (15) calendar days immediately before the date such payment is due by wire transfer in immediately available funds to such Holder’s account within the U.S., which application shall remain in effect until the Holder notifies the Paying Agent to the contrary in writing, and (iii) with respect to PIK Payments by PIK Interest Notes mailed to such Holders at the address set forth in the Register. The Company will pay or cause the Trustee or the Paying Agent to pay principal of Global Notes in U.S. dollars and in immediately available funds (with PIK Interest to be paid as described in Section 2.15) to the Depositary or its nominee, as the case may be, as the registered Holder of such Global Note, on each Interest Payment Date Date, the Maturity Date or other payment date, including for the Make-Whole Payment, as the case may be.

Title and Terms; Payments. The aggregate principal amount of Notes that may be authenticated and delivered under this Indenture is $20,849,559.47 3,391,961 (the “Initial Notes”), except for Notes authenticated and delivered upon registration or transfer of, or in exchange for other Notes pursuant to Sections 2.05, 2.06, 2.08, 2.09, 2.11, 2.15, 3.07 or 4.02(d). The Notes shall be known and designated as the “Subordinated Senior Secured Convertible Exchange Notes due 20262025” of the Company. The Company shall repay to Holders the aggregate outstanding principal amount shall be payable of the Notes in consecutive quarterly installments equal to $169,598 (each such payment, a “Mandatory Redemption”) on January 1, April 1, July 1 and October 1, commencing with October 1, 2024 (each, a “Mandatory Redemption Date”), until the earlier of the Maturity Date unless or the Notes no longer being Outstanding because earlier repaid, purchased or converted in accordance with this Indenture. The Outstanding principal amount of the Notes shall be payable on the Maturity Date. In connection with any Mandatory Redemption, the Company shall deliver to the Trustee at least 15 Business Days prior to the applicable Mandatory Redemption Date (or such shorter period as shall be satisfactory to the Trustee) a notice of Mandatory Redemption and an Officer’s Certificate requesting the Trustee to deliver such notice to the Holders. Upon receipt of such Officer’s Certificate and notice of Mandatory Redemption, the Trustee shall deliver such notice of Mandatory Redemption to Holders of the Notes at least ten (10) Business Days before the Mandatory Redemption Date. Such notice shall be prepared by the Company and shall state (a) the Mandatory Redemption Date; (b) the aggregate principal amount of Notes to be mandatorily redeemed; (c) that, on Mandatory Redemption Date, the principal called for Mandatory Redemption will become due and payable; (d) that the Notes must be surrendered to the Paying Agent to collect the principal amount due to such Holder in connection with the Mandatory Redemption; (e) the place or places where such Notes are to be surrendered to the Paying Agent in connection with the Mandatory Redemption; (f) upon surrender of the Notes and consummation of the Mandatory Redemption, the aggregate principal amount of the Notes that will remain outstanding; and (g) that, upon surrender of a Holder’s Note in connection with such Mandatory Redemption, a new Note in principal amount equal to the unredeemed portion thereof shall be issued to such Holder. Any notice of Mandatory Redemption, if delivered in the manner herein provided, shall be conclusively presumed to have been duly given, whether or not the Holder receives such notice. In any case, failure to give such notice of Mandatory Redemption by mail or in accordance with the Applicable Procedures or any defect in any such notice to the Holder of any Note designated for redemption as a whole or in part shall not affect the validity of the proceedings for the redemption of any other Note. Regardless of whether the notice described in the preceding paragraph has been sent, the amount of the Notes subject to such Mandatory Redemption shall become due and payable at office of the Paying Agent on the Mandatory Redemption Date. On presentation and surrender of the Notes at the office of the Paying Agent, the Notes shall be paid and redeemed by the Company. Prior to the open of business on any Mandatory Redemption Date the Company shall deposit with the Trustee (or other Paying Agent appointed by the Company) or, if the Company or a subsidiary of the Company is acting as the Paying Agent, shall segregate and hold in trust as provided in Section 5.03(b), an amount of cash (in immediately available funds if deposited within three (3) Business Days prior to the Mandatory Redemption Date) sufficient to pay the amount of principal due on the Mandatory Redemption Date, plus accrued and unpaid interest thereon to, but excluding the Mandatory Redemption Date. Subject to receipt of funds by the Paying Agent, payment for the Notes to be redeemed shall be made on the Mandatory Redemption Date for such Notes. In connection with a Mandatory Redemption, in the case of a Global Note, the Notes or portions thereof to be redeemed (in principal amounts of $1.00 or multiples thereof) shall be selected according to the applicable procedures of the Depositary, or, in the case of Physical Notes, the Notes to be redeemed (in principal amounts of at least $1.00 or $1.00 multiples in excess thereof) shall, upon written request of the Company, be selected by the Trustee by lot or by any other method the Trustee in its sole discretion deems fair and appropriate. The Company shall notify the Trustee in writing of the percentage of aggregate principal amount of the Notes Outstanding to be redeemed in connection with such Mandatory Redemption. In the case of Physical Notes, the Trustee shall promptly notify the Company in writing of the Notes or portions of the Notes to be called for such Mandatory Redemption. If any Note selected for partial Mandatory Redemption is submitted for conversion after such selection, the portion of the Note submitted for conversion shall be deemed (so far as may be possible) to be the portion selected for such Mandatory Redemption (and the amount due in connection with such Mandatory Redemption will be reduced accordingly), subject, in the case of Notes represented by a Global Note, to the Depositary’s applicable procedures. The Notes shall initially be delivered on the Initial Issue Date in the form of Global Notes or Physical Notes. The Notes shall only be eligible for delivery in the form of Global Notes following the date that the Notes are eligible for delivery in book-entry form through the Depository Trust Company. The Company shall use its best efforts to have If the Notes eligible for delivery are initially delivered on the Initial Issue Date in the form of Global Notes immediately following the initial Effectiveness Date (as such term is defined in the Registration Rights Agreement). None Physical Notes, none of the Trustee nor any Agent shall have an obligation to cause the Notes to be made eligible for delivery in the form of Global Notes. The principal amount of Physical Notes shall be payable in U.S. dollars at the Corporate Trust Office and at any other office or agency maintained by the Company for such purpose. Interest and the Make-Whole Amount on Physical Notes will be payable (i) to Holders holding Physical Notes having an aggregate principal amount of $1,000,000 or less of Notes, by check mailed to such Holders at the address set forth in the Register, and (ii) to Holders holding Physical Notes having an aggregate principal amount of more than $1,000,000 of Notes, either by check mailed to such Holders or, upon written application by a Holder to the Company and Paying Agent by (x) with respect to the payment of any interest due on an Interest Payment Date, the immediately preceding Regular Record Date; (y) with respect to any cash conversion consideration, the relevant Conversion Date; and (z) with respect to any other payment, the date that fifteen (15) calendar days immediately before the date such payment is due by wire transfer in immediately available funds to such Holder’s account within the U.S., which application shall remain in effect until the Holder notifies the Paying Agent to the contrary in writing, and (iii) with respect to PIK Payments by PIK Interest Notes mailed to such Holders at the address set forth in the Register. The Company will pay or cause the Trustee or the Paying Agent to pay principal of Global Notes in U.S. dollars and in immediately available funds (with PIK Interest to be paid as described in Section 2.15) to the Depositary or its nominee, as the case may be, as the registered Holder of such Global Note, on each Interest Payment Date Date, the Maturity Date or other payment date, including for the Make-Whole Payment, as the case may be.

Title and Terms; Payments. The aggregate principal amount Principal Amount of Notes that may be authenticated and delivered under this Indenture is initially limited to $20,849,559.47 12,500,000 (the “Initial Notes”), except for Notes authenticated and delivered upon registration or transfer of, or in exchange for for, or in lieu of, other Notes pursuant to Sections 2.053.05, 2.063.06, 2.083.07, 2.093.08, 2.113.09, 2.153.11, 3.07 3.12, 8.05 or 4.02(d)14.06. Initial Notes in an aggregate Principal Amount of $12,500,000 shall be 25 issued on the date hereof upon the Company’s compliance with Section 3.04. The Company may, from time to time after the execution of this Indenture, execute and deliver to the Trustee for authentication Additional Notes of an unlimited aggregate principal amount, which shall include any Additional Notes permitted to be issued after the date hereof under the Purchase Agreement, and the Trustee shall thereupon authenticate and deliver said Additional Notes to or upon the written order of the Company, without any further action by the Company hereunder; provided, however, that the Trustee shall be entitled to receive an Officers’ Certificate and Opinion of Counsel as required by Section 1.02 of this Indenture. The Notes shall be known and designated as the “Subordinated Secured 6.5% Convertible Notes due 2026Senior Notes” of the Company. The principal amount Principal Amount shall be payable on the Maturity Date unless no longer Outstanding because earlier purchased or converted in accordance with this IndentureDate. The Notes shall initially be delivered on the Initial Issue Date in the form of Physical Notes. The Notes shall only be eligible for delivery in the form of Global Notes following the date that the Notes are eligible for delivery in book-entry form through the Depository Trust Company. The Company shall use its best efforts to have the Notes eligible for delivery in the form of Global Notes immediately following the initial Effectiveness Date (as such term is defined in the Registration Rights Agreement). None of the Trustee nor any Agent shall have an obligation to cause the Notes to be made eligible for delivery in the form of Global Notes. The principal amount Principal Amount of Physical Notes shall be payable in U.S. dollars at the Corporate Trust Office office of the Paying Agent and at any other office or agency maintained by the Company for such purpose. Interest and the Make-Whole Amount on Physical Notes will be payable (i) to Holders holding Physical Notes having an aggregate principal amount Principal Amount of $1,000,000 or less of Notes, by check mailed to such Holders at the address set forth in the Register, Register and (ii) to Holders holding Physical Notes having an aggregate principal amount Principal Amount of more than $1,000,000 of Notes, either by check mailed to such Holders or, upon written application by a Holder to the Company and Paying Agent by (x) with respect to Registrar not later than the payment of any interest due on an Interest Payment Date, the immediately preceding relevant Regular Record Date; (y) with respect to any cash conversion consideration, the relevant Conversion Date; and (z) with respect to any other Date for such interest payment, the date that fifteen (15) calendar days immediately before the date such payment is due by wire transfer in immediately available funds to such Holder’s account within the U.S.United States, which application shall remain in effect until the Holder notifies the Paying Agent Registrar to the contrary in writing, and (iii) with respect to PIK Payments by PIK Interest Notes mailed to such Holders at the address set forth in the Register. The Company will pay or cause the Trustee or the Paying Agent to pay principal of of, and interest on, Global Notes in U.S. dollars and in immediately available funds (with PIK Interest to be paid as described in Section 2.15) to the Depositary The Depository Trust Company or its nominee, as the case may be, as the registered Holder holder of such Global Note, on each Interest Payment Date the Maturity Date, Fundamental Change Purchase Date or other payment date, including for the Make-Whole Payment, as the case may be. Any Notes repurchased by the Company will be cancelled and no longer outstanding hereunder. Ranking . The Notes constitute a general unsecured and unsubordinated obligation of the Company. Denominations . The Notes shall be issuable only in registered form without coupons and in minimum denominations of $1,000 and any integral multiple of $1,000 in excess thereof. Execution, Authentication, Delivery and Dating . The Notes shall be executed on behalf of the Company by its Chief Executive Officer, its President, its Chief Financial Officer or any of its Vice Presidents. Notes bearing the manual or facsimile signatures of individuals who were at any time the proper officers of the Company shall bind the Company, notwithstanding that such individuals or any of them have ceased to hold such offices prior to the authentication and delivery of such Notes or did not hold such offices at the date of such Notes. Subject to Section 3.01, at any time and from time to time after the execution and delivery of this Indenture, the Company may deliver Notes executed by the Company to the Trustee for authentication, together with a Company Order for the authentication and delivery of such Notes. The Company Order shall specify the amount of Notes to be authenticated, and shall further specify the amount of such Notes to be issued as Global Notes or as Physical Notes. The Trustee in accordance with such Company Order shall authenticate and deliver such Notes as in this Indenture provided and not otherwise. Each Note shall be dated the date of its authentication. No Note shall be entitled to any benefit under this Indenture or be valid or obligatory for any purpose unless there appears on such Note a certificate of authentication substantially in the form provided for herein executed by the Trustee by manual signature, and such certificate upon any Note shall be conclusive evidence, and the only evidence, that such Note has been duly authenticated and delivered hereunder.

Title and Terms; Payments. The aggregate principal amount of Notes that may be authenticated and delivered under this Indenture is $20,849,559.47 12,137,889 (the “Initial Notes”), except for Notes authenticated and delivered upon registration or transfer of, or in exchange for other Notes pursuant to Sections 2.05, 2.06, 2.08, 2.09, 2.11, 2.15, 3.07 or 4.02(d). The Notes shall be known and designated as the “Subordinated Secured Convertible Exchange Notes due 2026” of the Company. The principal amount shall be payable on the Maturity Date unless no longer Outstanding because earlier purchased or converted in accordance with this Indenture. The Notes shall initially be delivered on the Initial Issue Date in the form of Global Notes or Physical Notes. The Notes shall only be eligible for delivery in the form of Global Notes following the date that the Notes are eligible for delivery in book-entry form through the Depository Trust Company. The Company shall use its best efforts to have If the Notes eligible for delivery are initially delivered on the Initial Issue Date in the form of Global Notes immediately following the initial Effectiveness Date (as such term is defined in the Registration Rights Agreement). None Physical Notes, none of the Trustee nor any Agent shall have an obligation to cause the Notes to be made eligible for delivery in the form of Global Notes. The principal amount of Physical Notes shall be payable in U.S. dollars at the Corporate Trust Office and at any other office or agency maintained by the Company for such purpose. Interest and the Make-Whole Amount on Physical Notes will be payable (i) to Holders holding Physical Notes having an aggregate principal amount of $1,000,000 or less of Notes, by check mailed to such Holders at the address set forth in the Register, and (ii) to Holders holding Physical Notes having an aggregate principal amount of more than $1,000,000 of Notes, either by check mailed to such Holders or, upon written application by a Holder to the Company and Paying Agent by (x) with respect to the payment of any interest due on an Interest Payment Date, the immediately preceding Regular Record Date; (y) with respect to any cash conversion consideration, the relevant Conversion Date; and (z) with respect to any other payment, the date that fifteen (15) calendar days immediately before the date such payment is due by wire transfer in immediately available funds to such Holder’s account within the U.S., which application shall remain in effect until the Holder notifies the Paying Agent to the contrary in writing, and (iii) with respect to PIK Payments by PIK Interest Notes mailed to such Holders at the address set forth in the Register. The Company will pay or cause the Trustee or the Paying Agent to pay principal of Global Notes in U.S. dollars and in immediately available funds (with PIK Interest to be paid as described in Section 2.15) to the Depositary or its nominee, as the case may be, as the registered Holder of such Global Note, on each Interest Payment Date the Maturity Date or other payment date, including for the Make-Whole Payment, as the case may be.