PDMR Shareholdings

Diversified Energy Company PLC (LSE: DEC) (NYSE: DEC), announces the vesting of certain Performance Stock Units (“PSU's”) and Restricted Stock Units ("RSU's") previously awarded to Persons Discharging Material Responsibility ("PDMRs"), resulting in a change to previously disclosed PDMR holdings of Ordinary Shares of £0.20 each in the Company ("Ordinary Shares").

Members of the Company's senior management vested in previously awarded PSUs and RSUs included:

• Rusty Hutson, Jr, Co-Founder and Chief Executive Officer
• Bradley Gray, President and Chief Financial Officer
• Benjamin Sullivan, Senior Executive Vice President, Chief Legal & Risk Officer and Corporate Secretary

Mr. Hutson's listed awards were solely PSUs, while the awards to Mr. Gray, and Mr. Sullivan included a mix of PSUs and RSUs. The Company provides additional information about its 2022 long-term incentive plan within its Annual Report for the year ended December 31, 2024 available on its website.

To settle the awards, the Company will transfer Ordinary Shares (net of customary withholdings, including taxes) from its Employee Benefit Trust (the “EBT”) as set forth in the table below:

	Net Award	Shares Held Post-Award	% of Issued Share Capital
Rusty Hutson, Jr	42,007	1,276,141	1.58%
Bradley Gray	26,546	192,131	0.24%
Benjamin Sullivan	21,902	62,319	0.08%

For further information, please contact:

Diversified Energy Company PLC	+1 973 856 2757
Doug Kris	dkris@dgoc.com
www.div.energy
FTI Consulting	dec@fticonsulting.com
U.S. & 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

1	Details of the person discharging managerial responsibilities / person closely associated
a)	Name	Rusty Hutson, Jr
2	Reason for the notification
a)	Position/status	Co-Founder and Chief Executive Officer
b)	Initial notification/Amendment	Initial notification
3	Details of the issuer, emission allowance market participant, auction platform, auctioneer or auction monitor
a)	Name	Diversified Energy Company PLC
b)	LEI	213800YR9TFRVHPGOS67
4	Details 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 conducted
a)	Description of the financial instrument, type of instrument	Bonus award of performance share units constituting a right to acquire Ordinary Shares of 20p each
	Identification code	GB00BQHP5P93
b)	Nature of the transaction	Vesting of performance share units units under the Company's equity incentive plan
c)	Price(s) and volumes(s)	Price(s)	Volume(s)
		£Nil	42,007
d)	Aggregated information	N/A single transaction
	Aggregated volume	N/A single transaction
	Price	N/A single transaction
e)	Date of the transaction	17 March 2025
f)	Place of the transaction	Outside a trading venue (XOFF)

1	Details of the person discharging managerial responsibilities / person closely associated
a)	Name	Bradley Gray
2	Reason for the notification
a)	Position/status	President and Chief Financial Officer
b)	Initial notification/Amendment	Initial notification
3	Details of the issuer, emission allowance market participant, auction platform, auctioneer or auction monitor
a)	Name	Diversified Energy Company PLC
b)	LEI	213800YR9TFRVHPGOS67
4	Details 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 conducted
a)	Description of the financial instrument, type of instrument	Bonus award of performance share units and restricted stock units constituting a right to acquire Ordinary Shares of 20p each
	Identification code	GB00BQHP5P93
b)	Nature of the transaction	Vesting of performance share units units under the Company's equity incentive plan
c)	Price(s) and volumes(s)	Price(s)	Volume(s)
		£Nil	26,546
d)	Aggregated information	N/A single transaction
	Aggregated volume	N/A single transaction
	Price	N/A single transaction
e)	Date of the transaction	17 March 2025
f)	Place of the transaction	Outside a trading venue (XOFF)

1	Details of the person discharging managerial responsibilities / person closely associated
a)	Name	Benjamin Sullivan
2	Reason for the notification
a)	Position/status	Senior Executive Vice President, Chief Legal & Risk Officer and Corporate Secretary
b)	Initial notification/Amendment	Initial notification
3	Details of the issuer, emission allowance market participant, auction platform, auctioneer or auction monitor
a)	Name	Diversified Energy Company PLC
b)	LEI	213800YR9TFRVHPGOS67
4	Details 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 conducted
a)	Description of the financial instrument, type of instrument	Bonus award of performance share units and restricted stock units constituting a right to acquire Ordinary Shares of 20p each
	Identification code	GB00BQHP5P93
b)	Nature of the transaction	Vesting of performance share units and restricted stock units under the Company's equity incentive plan
c)	Price(s) and volumes(s)	Price(s)	Volume(s)
		£Nil	21,902
d)	Aggregated information	N/A single transaction
	Aggregated volume	N/A single transaction
	Price	N/A single transaction
e)	Date of the transaction	17 March 2025
f)	Place of the transaction	Outside a trading venue (XOFF)