PDMR Shareholdings

Diversified Energy Company

("Diversified," or the "Company")

PDMR Shareholdings

Diversified Energy Company (NYSE: DEC, LSE: DEC) announces it was notified by Bradley Gray, President and Chief Financial Officer, that, on March 26, 2026, Mr. Gray ceased to beneficially own 15,000 shares of common stock in the Company, following the gift of those shares to family members for nil consideration.

Mr. Gray is a Person Discharging Managerial Responsibility ("PDMRs"), resulting in a change to previously disclosed PDMR holdings of shares of common stock in the Company ("Common Stock") and his current holdings are set forth in the table below:

About Diversified Energy Company

Diversified is a leading publicly traded energy company focused on acquiring, operating, and optimizing cash generating energy assets. 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.

NOTIFICATION AND PUBLIC DISCLOSURE OF TRANSACTIONS BY PERSONS DISCHARGING MANAGERIAL RESPONSIBILITIES AND PERSONS CLOSELY ASSOCIATED WITH THEM