Transaction in Own Shares

Rhea-AI Summary

Diversified Energy Company PLC (LSE/NYSE: DEC) has executed a share buyback program, purchasing 31,898 ordinary shares at a volume-weighted average price of $13.9421 per share through Mizuho Securities USA LLC. The purchase was made on June 5, 2025, with share prices ranging from $13.855 to $14.00. Following the cancellation of these shares, DEC will have 78,672,415 ordinary shares outstanding. The buyback is part of a program announced on March 20, 2025, and trades were executed across multiple trading venues including NYSE, NASDAQ, and other exchanges.

Positive

• Company demonstrates confidence in its value through share buyback program
• Share cancellation will reduce total shares outstanding, potentially increasing EPS
• Strategic execution across multiple trading venues ensures efficient price discovery

Negative

• Reduction in cash reserves due to share buyback expenditure of approximately $444,726

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 31,898 Ordinary Shares of 20 Pence each in the capital of the Company (the "Shares") in the market at a volume-weighted average price of $13.9421 per Share through Mizuho Securities USA LLC (MSUSA). The Shares acquired will, in due course, be cancelled.

Aggregated Information

Date of Purchase:	5 June 2025
Aggregate Number of Ordinary Shares Purchased:	31,898
Lowest Price Paid per Share (USD):	13.855
Highest Price Paid per Share (USD):	14.00
Volume-Weighted Average Price Paid per Share (USD):	13.9421

Following the cancellation of Shares, Diversified will have 78,672,415 Ordinary Shares of 20 Pence each in issue and no Ordinary Shares are held in treasury. This figure of 78,672,415 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:	5 June 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
1,669	$13.9092		$13.94		$13.88	ARCX
535	$14.0000		$14.00		$14.00	ASPN
1,266	$13.9907		$14.00		$13.97	BATS
200	$13.9950		$14.00		$13.99	BATY
600	$13.9650		$13.97		$13.97	BIDS
100	$13.9600		$13.96		$13.96	EDGA
1,171	$13.9576		$14.00		$13.90	EDGX
300	$13.9800		$13.98		$13.98	HRTF
18,749	$13.9378		$14.00		$13.86	IEXG
100	$13.9800		$13.98		$13.98	JPMX
1,341	$13.9500		$14.00		$13.89	UBSA
10	$13.9800		$13.98		$13.98	VFMI
200	$13.9767		$13.98		$13.97	XBOS
4,096	$13.9244		$14.00		$13.86	XNAS
1,561	$13.9484		$14.00		$13.90	XNYS
Trading venue	Currency		Volume Weighted Average Price		Aggregated volume
NYSE	USD		$13.9421		31,898

For further information, please contact:

Diversified Energy Company PLC	+1 973 856 2757
Doug Kris	dkris@dgoc.com
Senior Vice President, Investor Relations & Corporate Communications	www.div.energy

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.

FAQ

How many shares did Diversified Energy (DEC) buy back on June 5, 2025?

Diversified Energy bought back 31,898 ordinary shares on June 5, 2025.

What was the average price paid per share in DEC's buyback?

The volume-weighted average price paid was $13.9421 per share.

How many shares will DEC have outstanding after this buyback?

After the share cancellation, DEC will have 78,672,415 ordinary shares outstanding.

What was the price range for DEC's share buyback on June 5, 2025?

The share prices ranged from $13.855 (lowest) to $14.00 (highest) per share.

When did Diversified Energy announce this buyback program?

The share buyback program was announced on March 20, 2025.