Gulfport Energy Corporation (NYSE:GPOR) ("Gulfport" or the "Company") today announced that it has completed the redemption of its Series A Convertible Preferred Stock (the "Preferred Stock"). On September 5, 2025 (the "Redemption Date"), the Company redeemed a total of 2,449 shares of Preferred Stock at an aggregate redemption value of approximately $31.3 million, including accrued and unpaid dividends through the Redemption Date. No shares of Preferred Stock remain outstanding following the transaction. Since June 30, 2025 and prior to the Redemption Date, 28,907 shares of Preferred Stock were converted into approximately 2.1 million shares of Gulfport common stock.

About Gulfport

Gulfport is an independent natural gas-weighted exploration and production company focused on the exploration, acquisition and production of natural gas, crude oil and NGL in the United States with primary focus in the Appalachia and Anadarko basins. Our principal properties are located in eastern Ohio targeting the Utica and Marcellus formations and in central Oklahoma targeting the SCOOP Woodford and SCOOP Springer formations.

Investors should note that Gulfport announces financial information in SEC filings, press releases and public conference calls. Gulfport may use the Investors section of its website (www.gulfportenergy.com) to communicate with investors. It is possible that the financial and other information posted there could be deemed to be material information. The information on Gulfport's website is not part of this filing.

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Investor Contact:

Jessica Antle – Vice President, Investor Relations

jantle@gulfportenergy.com

405-252-4550

Gulfport Energy Announces Completion of Preferred Stock Redemption