Diversified Energy Company PLC (LSE: DEC) (NYSE: DEC) announces that on March 20, 2025, a member of the Company’s Board of Director’s (the “Board”) transacted in ordinary shares of 20p each in the Company ("Ordinary Shares").

Members of the Board transacting in Ordinary Shares included:

Martin Thomas, Non-Executive Vice Chair of the Board

Details of the Board member transactions in Ordinary Shares are as follows:

NameActivity
DateActivity
TypeNumber
of sharesTrading VenueAverage
PriceMartin Thomas3/20/2025Buy700LSE£10.60

Following the transactions, the total interest and per cent of the Company’s total issued share capital (“ISC”) of the aforesaid Board member may be found in the table below:

NameTotal Shareholdings% of ISC  Martin Thomas114,5500.127%

For further information please contact:

Diversified Energy Company PLC+1 973 856 2757Doug [email protected] Vice President, Investor Relations & Corporate Communicationswww.div.energy FTI [email protected]. & UK Financial Public Relations

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.

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

1Details of the person discharging managerial responsibilities / person closely associateda)NameMartin Thomas2Reason for the notificationa)Position/statusNon-Executive Vice Chair of the Boardb)Initial notification/AmendmentInitial notification3Details of the issuer, emission allowance market participant, auction platform, auctioneer or auction monitora)NameDiversified Energy Company PLCb)LEI213800YR9TFRVHPGOS674Details of the transaction(s): section to be repeated for (i) each type of instrument; (ii) each type of transaction; (iii) each date; and (iv) each place where transactions have been conducteda)Description of the financial instrument, type of instrumentOrdinary Shares of 20 pence each Identification codeGB00BQHP5P93b)Nature of the transactionPurchase of Ordinary Sharesc)Price(s) and volumes(s)Price(s)Volume(s) £10.60700d)Aggregated information  Aggregated volume700 Price£10.60e)Date of the transactionMarch 20, 2025f)Place of the transactionLondon Stock Exchange (XLON)