GULFPORT ENERGY CORP

Trading Arrangements

During the three months ended June 30, 2026, none of our officers (as defined in Rule 16a-1(f) of the Exchange Act) or directors adopted orterminated any contract, instruction or written plan for the purchase or sale of our securities that was intended to satisfy the affirmative defense conditions of Rule 10b5-1(c) or any "non-Rule 10b5-1 trading arrangement" (as defined in Item 408 of Regulation S-K).

Resignation of Michael Hodges as Executive Vice President and Chief Financial Officer

On July 31, 2026, Michael Hodges, Executive Vice President, Chief Financial Officer of the Company notified the Company of his decision to resign from his roles at the Company to devote more time to his family effective August 5, 2026.

To ensure a smooth transition, Mr. Hodges has agreed to serve in an advisory capacity until September 1, 2026. Subject to the execution and non-revocation of the release substantially in the form attached to the employment agreement between Gulfport and Mr. Hodges effective May 28, 2026, Mr. Hodges will be paid his pro-rated 2026 target bonus through September 1, 2026.

Mr. Hodges’ resignation is not the result of any disagreement with the Company relating to its operations, policies, practices, or financial reporting. The Company’s President and CEO, Nick Dell’Osso, will serve as the interim principal financial officer until a successor is named.