Proposed Secondary Offering of Ordinary Shares

BIRMINGHAM, Ala., Sept. 16, 2025 (GLOBE NEWSWIRE) -- Diversified Energy Company PLC (LSE: DEC; NYSE: DEC) (“Diversified” or the “Company”), an independent energy company focused on natural gas and liquids production, transportation, marketing and well retirement, today announces the launch of an underwritten public offering (the “Secondary Offering”) in the United States by certain funds or entities managed by an affiliate of EIG (“EIG”), an entity managed by FS/EIG Advisor, LLC and certain entities managed by FS/KKR Advisor, LLC (collectively, the “Selling Stockholders”) of 5,713,353 ordinary shares, nominal (par) value £0.20 per share (the “ordinary shares”). In addition, the Selling Stockholders intend to grant the underwriters a 30-day option to purchase up to an additional 857,002 ordinary shares at the public offering price, less underwriting discount. The Diversified Employee Benefit Trust (the “EBT”), which is operated through a third-party trustee, has indicated an interest to participate and purchase up to 750,000 ordinary shares being sold in the Secondary Offering at a price per ordinary share equal to the public offering price, although no commitment to purchase has been made.

The Secondary Offering consists entirely of ordinary shares to be sold by the Selling Stockholders. The Selling Stockholders will receive all of the net proceeds from the Secondary Offering. Diversified is not offering any ordinary shares in the Secondary Offering and will not receive any proceeds from the sale of ordinary shares in the Secondary Offering.

Mizuho and Raymond James are acting as joint book-running managers and representatives of the underwriters for the proposed Secondary Offering. Citigroup is also acting as a joint book-running manager for the offering.

A shelf registration statement relating to the resale of these securities was filed with the U.S. Securities and Exchange Commission (the "SEC") on May 16, 2025 and became effective upon filing. Copies of the registration statement can be accessed through the SEC's website free of charge at www.sec.gov. The Secondary Offering will be made only by means of a prospectus supplement and an accompanying prospectus in the United States. A preliminary prospectus supplement and the accompanying prospectus related to the Secondary Offering will be filed with the SEC and will be available free of charge by visiting EDGAR on the SEC’s website at www.sec.gov. Copies of the preliminary prospectus supplement and the accompanying prospectus can also be obtained, when available, free of charge from any of the joint book-running managers for the Secondary Offering: Mizuho Securities USA LLC, Attention: Equity Capital Markets Desk, at 1271 Avenue of the Americas, New York, NY 10020, or by email at US-ECM@mizuhogroup.com, Raymond James & Associates, Inc., at 880 Carillon Parkway, St. Petersburg, Florida 33716, Attention: Equity Syndicate, by calling toll-free at 1-800-248-8863, or emailing at prospectus@raymondjames.com or Citigroup, c/o Broadridge Financial Solutions, at 1155 Long Island Avenue, Edgewood, NY 11717, by telephone at 1-800-831-9146.