August 21, 2024

 Diversified Energy Company PLC

("Diversified" or the "Company")

Notice of Form 6-K Filing

Diversified Energy Company PLC (LSE:DEC; NYSE:DEC) ("Diversified" or the "Company") announces that the Company has filed a Report of Foreign Private Issuer ("Form 6-K") with the United States Securities and Exchange Commission, which includes the Unaudited Statement of Revenues and Direct Operating Expenses of OCM Denali Holdings, L.L.C. for the three months ended March 31, 2024 and 2023, the Audited Statement of Revenues and Direct Operating Expenses of OCM Denali Holdings, L.L.C. for the year ended December 31, 2023 and the Unaudited Pro Forma Condensed Combined Financial Information of the Company for the six months ended June 30, 2024 and the year ended December 31, 2023.

For further information,  please see the Form 6-K filed on August 20, 2024 by Diversified, including the exhibits thereto. The Form 6-K may be accessed as filed at ir.div.energy/financial-information/sec-filings.

For further information, please contact:

About Diversified Energy Company PLC

Diversified is a leading publicly traded energy company focused on natural gas and liquids production, transport, marketing, and well retirement. Through our differentiated strategy, we acquire existing, long-life assets and invest in them to improve environmental and operational performance until retiring those assets in a safe and environmentally secure manner. Recognized by ratings agencies and organizations for our sustainability leadership, this solutions-oriented, stewardship approach makes Diversified the Right Company at the Right Time to responsibly produce energy, deliver reliable free cash flow, and generate shareholder value.