March 7, 2025

Diversified Energy Company PLC

("Diversified" or the "Company")

Diversified Energy Acquisition Update

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 recently announced acquisition of Maverick Natural Resources remains on track with previously announced deal specifics, including share consideration, which is not, and will not be, impacted or adjusted as a result of any movement in the Company's share price.. The General Meeting will take place at 1:00pm (London Time) on Monday, March 10th, 2025, and the acquisition is now anticipated to close prior to the end of the first quarter of 2025, subject to customary closing conditions and Diversified shareholder approval.

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About Diversified

Diversified is a leading publicly traded energy company focused on natural gas and liquids production, transport, marketing, and well retirement. Through our unique 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.

Forward-Looking Statements

This announcement contains forward-looking statements (within the meaning of the U.S. Private Securities Litigation Reform Act of 1995). These forward-looking statements, including timing of the closing of the transaction, reflect the Company's beliefs and expectations and are subject to risks and uncertainties. Many of these risks and uncertainties relate to factors that are beyond the Company's ability to control or estimate precisely, including the risk factors described in the "Risk Factors" section in the Company's Annual Report and Form 20-F for the year ended December 31, 2023 filed with the U.S. Securities and Exchange Commission ("SEC") and the risk factors described in Exhibit 99.2 to the Company's Form 6-K furnished with the SEC on January 27, 2025. Forward-looking statements speak only as of their date and neither the Company nor any of its directors, officers, employees, agents, affiliates or advisers expressly disclaim any obligation to supplement, amend, update or revise any of the forward-looking statements made herein, except where it would be required to do so under applicable law. As a result, you are cautioned not to place undue reliance on such forward-looking statements.