NATURAL GAS SERVICES GROUP INC

During the quarter ended March 31, 2025, none of our directors or officers (as defined in Rule 16a-1(f) of the Securities Exchange Act of 1934)adopted, terminated or modified a Rule 10b5-1 trading arrangement or non-Rule 10b5-1 trading arrangement (as such terms are defined in Item 408 of Regulation S-K).

On May 7, 2025, our Board of Directors (the “Board”), upon the recommendation of our Nominating and Corporate Governance Committee, approved a standard form of Indemnification Agreement for its directors and officers (the “Indemnification Agreement”).

The Indemnification Agreement provides for indemnification and advancement by the Company of certain expenses and costs relating to claims, suits, or proceedings arising from service to the Company and its subsidiaries or, at its request, service to other entities, as officers or directors to the maximum extent permitted by applicable law. The foregoing description of the Indemnification Agreements does not purport to be complete and is qualified in its entirety by the terms and conditions of the form of Indemnification Agreement, a form of which is attached hereto as Exhibit 10.2 and is incorporated herein by reference.

Contemporaneously with its adoption, we intend to enter into the Indemnification Agreement with each of our current named executive officers and members of the Board.