Gulfport Energy Announces Public Offering of Common Stock by Selling Stockholders

Gulfport Energy Corporation (NYSE: GPOR) (“Gulfport” or the “Company”) today announced the commencement of an underwritten public offering of 1,300,000 shares of its common stock by certain stockholders (the “Offering”). Such selling stockholders intend to grant the underwriters a 30-day option to purchase up to an additional 195,000 shares of the Company’s common stock to cover any overallotments. Gulfport will not sell any shares of its common stock in the Offering and will not receive any proceeds from the sale of the shares being offered by the selling stockholders. The Offering is subject to market and other conditions, and there can be no assurance as to whether or when the Offering may be completed.

In addition, the Company announced that concurrent with the closing of the Offering, it intends to purchase from certain of the selling stockholders approximately $25 million of shares of the Company’s common stock at a price per share equal to the per share purchase price to be paid by the public in the Offering (the “Concurrent Repurchase”). The Concurrent Repurchase is part of the Company’s existing $400 million share repurchase program and will reduce remaining availability thereunder. The Offering is not conditioned upon the closing of the Concurrent Repurchase, but the Concurrent Repurchase is conditioned upon the closing of the Offering.

BofA Securities, J.P. Morgan and Evercore ISI are acting as joint book-running managers for the Offering. The Offering will be made only by means of a prospectus supplement and the accompanying base prospectus, which was filed as part of an effective shelf registration statement filed with the Securities and Exchange Commission (the “SEC”) on Form S-3 (File No. 333-264674). Copies of the preliminary prospectus supplement and accompanying base prospectus relating to the Offering, as well as copies of the final prospectus supplement once available, may be obtained on the SEC’s website at www.sec.gov or by contacting: BofA Securities, at NC1-022-02-25, 201 North Tryon Street, Charlotte, NC 28255-0001, Attention: Prospectus Department, or by email at [e-mail]; J.P. Morgan Securities LLC, c/o Broadridge Financial Solutions, at 1155 Long Island Avenue, Edgewood, NY 11717, or by telephone at [phone], or by email at [e-mail]; or Evercore Group L.L.C., at 55 East 52nd Street, 35th Floor, New York, New York 10055, Attention: Equity Capital Markets, by telephone at [phone], or by email at [e-mail].