Gulfport Energy Announces Final Results and Closing of Tender Offer for Its 8.0% Senior Notes Due 2026 Page 1

Gulfport Energy Corporation (NYSE: GPOR) (“Gulfport” or the “Company”) today announced the final results and expiration date of the previously announced all-cash tender offer (the “Tender Offer”) by Gulfport Energy Operating Corporation (“Gulfport Operating”), a wholly owned subsidiary of Gulfport, to purchase all of the outstanding 8.0% Senior Notes due 2026 (the “Notes”) of Gulfport Operating. As of 5:00 p.m., New York City time, today, the expiration date of the Tender Offer (the “Expiration Date”), Gulfport Operating had received tenders for $524,297,331 aggregate principal amount of the outstanding Notes, or 95.33% of the aggregate principal amount of the outstanding Notes. These amounts exclude $620,500 aggregate principal amount of the Notes which remain subject to the guaranteed delivery procedures described in the Offer to Purchase and the Notice of Guaranteed Delivery (each as defined below).

The tender offer was made in accordance with the terms and conditions contained in the offer to purchase, dated September 3, 2024 (the “Offer to Purchase”), and the accompanying notice of guaranteed delivery for the tender offer (the “Notice of Guaranteed Delivery”).