Xtant Medical Holdings Inc

Rule 10b5-1 Plan and Non-Rule 10b5-1 Trading Arrangement Adoptions, Terminations, and Modifications

During the three months ended June 30, 2024, none of our directors or “officers” (as defined in Rule 16a-1(f) under the Exchange Act)adopted orterminated a “Rule 10b5-1 trading arrangement” or “non-Rule 10b5-1 trading arrangement,” as each term is defined in Item 408 of Securities and Exchange Commission (“SEC”) Regulation S-K.

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers

Departure of Chief Commercial Officer

As part of the integration activities undertaken following our acquisition of the hardware and biologics business of Surgalign Holdings, we are restructuring and streamlining our sales organization and in connection thereto are eliminating the position of Chief Commercial Officer held by Kevin D. Brandt effective as of August 16, 2024. As a result of the elimination of this position, Sean E. Browne, the Company’s Chief Executive Officer, will assume the role of head of sales.

In connection with Mr. Brandt’s termination and pursuant to the terms of his employment agreement with the Company, we anticipate entering into a Separation Agreement with Mr. Brandt (the “Separation Agreement”) pursuant to which and in exchange for his execution and non-revocation of a general release of claims against the Company and its subsidiaries and affiliates and his compliance with certain covenants contained in his employment agreement and the Separation Agreement, he will be entitled to receive: (i) continuing severance pay at a rate equal to his base salary for 12 months from the date of termination of employment, less all required tax withholdings and other applicable deductions, payable in accordance with our standard payroll procedures, and (ii) if timely elected, payment of COBRA continuation coverage premiums for up to 12 months. The Separation Agreement also will include customary non-disparagement and confidentiality undertakings by Mr. Brandt.

The foregoing summary of the Separation Agreement is not complete and is qualified in its entirety by reference to the full text of the Separation Agreement, which if executed by the parties thereto will be filed as an exhibit to our Quarterly Report on Form 10-Q for the quarterly period ended September 30, 2024.

Amendment to Sean Browne Employment Agreement

Effective as of August 8, 2024, we entered into Amendment No. 1 to Employment Agreement with Sean E. Browne, the Company’s Chief Executive Officer (the “Amendment”), which Amendment reflects the following changes to Mr. Browne’s employment agreement:

The foregoing summary of the Amendment is not complete and is qualified in its entirety by reference to the full text of the Amendment, which is filed as an exhibit to this Quarterly Report on Form 10-Q.