INDENTURE, dated as of March 7, 2025, between Alphatec Holdings, Inc., a
Delaware corporation, as issuer (the Company), and U.S. Bank Trust Company, National Association, as trustee (the Trustee).
Each party to this Indenture (as defined below) agrees as follows for the benefit of the other party and for the equal and ratable benefit of
the Holders (as defined below) of the Companys 0.75% Convertible Senior Notes due 2030 (the Notes).
Article 1.
DEFINITIONS; RULES OF CONSTRUCTION
Section 1.01. DEFINITIONS.
2026 Notes means the Companys 0.75% convertible senior notes due 2026.
Additional Interest means any interest that accrues on any Note pursuant to Section 3.04.
Affiliate has the meaning set forth in Rule 144 as in effect on the Issue Date.
Aggregate Share Cap means a number of shares of the Companys Common Stock equal to the Base Available Number of
Shares; provided, however, that if, on or after March 7, 2025, any 2026 Notes are cancelled or otherwise cease to be outstanding upon their repurchase by the Company (including in the repurchase transactions described in the
Companys preliminary offering memorandum, dated March 3, 2025, related to the offering of the Notes, as supplemented by the related pricing term sheet, dated March 4, 2025, if they are consummated), redemption, conversion or
maturity, then, effective as of such cancellation or cessation, as applicable, and without duplication, the Aggregate Share Cap will be increased by the actual number of shares of Common Stock, if any, that become available as a result of such
cancellation or cessation, as applicable, for the Company to reserve for issuance upon conversion of the Notes; provided, further, that the Aggregate Share Cap will be subject to proportionate adjustment for stock dividends, stock
splits or stock combinations with respect to the Common Stock.
Authorized Denomination means, with respect to a Note,
a minimum principal amount thereof equal to $1,000 and principal amount denominations of any integral multiple of $1,000 in excess thereof.
Bankruptcy Law means Title 11, United States Code, or any similar U.S. federal or state or
non-U.S. law for the relief of debtors.
Base Available Number of Shares means
11,419,663 shares of Common Stock (subject to proportionate adjustment for stock dividends, stock splits or stock combinations with respect to the Common Stock).
Bid Solicitation Agent means the Person who is required to obtain bids for the Trading Price in accordance with
Section 5.01(C)(i)(2) and the definition of Trading Price. The initial Bid Solicitation Agent on the Issue Date will be the Company; provided, however, that the Company may appoint any other Person
(including any of the Companys Subsidiaries) to be the Bid Solicitation Agent at any time after the Issue Date without prior notice.
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