Diversified Energy Company
("Diversified," or the "Company")

PDMR Shareholdings

Diversified Energy Company (NYSE: DEC, LSE: DEC) announces the vesting on August 5, 2026 of certain restricted stock units previously awarded to David Johnson, the Company’s former Chairman of the Board, under the Company’s 2025 Equity Incentive Plan. Mr. Johnson was a Person Discharging Managerial Responsibility ("PDMRs") until his retirement on August 5, 2026. To settle the awards, the Company will transfer shares of common stock in the Company (net of required tax withholdings) as set forth below: