DEC DIVERSIFIED ENERGY COMPANY PLC

Transaction in Own Shares

Transaction in Own Shares

DIVERSIFIED ENERGY COMPANY PLC

("Diversified", or the "Company")

DIVERSIFIED ENERGY COMPANY PLC (LSE:DEC, NYSE:DEC) announces that, in accordance with the terms of its share buyback programme announced on 20 March 2025, the Company has purchased 15,062 Ordinary Shares of 20 Pence each in the capital of the Company (the "Shares") in the market at a volume-weighted average price of $14.3474 per Share through Mizuho Securities USA LLC (MSUSA). The Shares acquired will, in due course, be cancelled.

Aggregated Information

Date of Purchase:25 September 2025
Aggregate Number of Ordinary Shares Purchased:15,062
Lowest Price Paid per Share (USD):14.34
Highest Price Paid per Share (USD):14.35
Volume-Weighted Average Price Paid per Share (USD):14.3474



Following the cancellation of Shares, Diversified will have 77,419,017 Ordinary Shares of 20 Pence each in issue and no Ordinary Shares are held in treasury. This figure of 77,419,017 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 Mizuho Securities USA LLC as part of the buyback programme.

Schedule of Purchases

Shares purchased:DIVERSIFIED ENERGY COMPANY PLC (ISIN: GB00BQHP5P93)
Dates of purchases:25 September 2025
Investment firm:Mizuho Securities USA LLC



Aggregate

number of

ordinary

shares

acquired
Daily

volume

weighted

average

price paid
Daily

highest

price paid

per share
Daily

lowest

price per

share
Trading

Venue
500 $14.3467$14.35$14.34ARCX
35 $14.3500$14.35$14.35ASPN
865 $14.3499$14.35$14.35BAML
1,022 $14.3496$14.35$14.35BARX
200 $14.3500$14.35$14.35BATS
700 $14.3450$14.35$14.35BIDS
100 $14.3400$14.34$14.34EDGA
87 $14.3500$14.35$14.35EDGX
700 $14.3450$14.35$14.35ICBX
4,888 $14.3480$14.35$14.34IEXG
897 $14.3494$14.35$14.35JPMX
1,200 $14.3488$14.35$14.35LEVL
149 $14.3500$14.35$14.35SGMT
1,750 $14.3488$14.35$14.35UBSA
874 $14.3483$14.35$14.35VFMI
100 $14.3500$14.35$14.35XBOS
995 $14.3500$14.35$14.35XNAS
Trading venueCurrency   
NYSEUSD$14.347415,062  



For further information, please contact:

Diversified Energy Company PLC
Doug Kris
Senior Vice President, Investor Relations & Corporate Communications



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.



EN
26/09/2025

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