18 December 2023

 Diversified Energy Company PLC

("Diversified" or the "Company")

Transaction in Own Shares

Diversified Energy Company PLC (LSE:DEC) announces that, in accordance with the terms of its share buyback programme announced on 27 June 2023, the Company has purchased 7,500 ordinary shares of 20 pence each in the capital of the Company (the "Shares") in the market at a volume weighted average price of 1330.06 pence per Share through Stifel Nicolaus Europe Limited ("Stifel"). The Shares acquired will, in due course, be cancelled.

Aggregated Information

Following the cancellation of Shares, Diversified will have 48,123,835 ordinary shares of 20 pence each in issue and no ordinary shares are held in treasury. This figure of 48,123,835 may be used by shareholders as the denominator for the calculations by which they will determine if they are required to notify their interest in, or a change to their interest in, the Company under the FCA's Disclosure Guidance and Transparency Rules.

In accordance with Article 5(1)(b) of Regulation (EU) No 596/2014 (the Market Abuse Regulation), (as in force in the UK and as amended by the Market Abuse (Amendment) (EU Exit) Regulations 2019), the table below contains detailed information of the individual trades made by Stifel as part of the buyback programme.

Schedule of Purchases

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About Diversified Energy Company PLC

Diversified is a leading independent energy company focused on producing, marketing, transporting, and retiring primarily natural gas and liquids assets. Our differentiated strategy provides the solution for existing long-life assets that have become non-core to traditional exploration companies. We acquire and then invest in each asset to improve environmental and production performance and ultimately retire the wells in a safe and environmentally secure process. This stewardship approach makes us the Right Company at the Right Time, enabling us to responsibly produce energy, deliver reliable free cash flow, and generate shareholder value.