Diversified Energy CompanyNYSE: DEC

Transaction in Own Shares

· Issued by Diversified Energy Company

DIVERSIFIED ENERGY COMPANY

("Diversified", or the "Company")

DIVERSIFIED ENERGY COMPANY (NYSE:DEC; LSE:DEC) announces that, in accordance with the terms of its share buyback program announced on March 20, 2025, the Company has purchased 162,102 shares of common stock, par value $0.01 per share of the Company (the "Shares") in the market at a volume-weighted average price of $13.9584 per Share through Mizuho Securities USA LLC (MSUSA). The Shares acquired will, in due course, be cancelled.

Aggregated Information

Date of Purchase:

January 06, 2026

Aggregate Number of Shares Purchased:

162,102

Lowest Price Paid per Share (USD):

14.275

Highest Price Paid per Share (USD):

13.83

Volume-Weighted Average Price Paid per Share (USD):

13.9584


Following the cancellation of Shares, Diversified will have 78,722,228 shares of common stock, in issue and no shares of common stock is held in treasury. This figure of 78,722,228 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 program.

Schedule of Purchases

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

11096

13.9442

$14.22

$13.85

ARCX

1996

13.9041

$14.01

$13.84

ASPN

2678

13.9200

$14.01

$13.88

BAML

4586

13.9164

$13.99

$13.86

BATS

200

14.0800

$14.24

$13.92

BATY

749

13.9100

$13.91

$13.91

BIDS

70

13.9200

$13.92

$13.92

EDGA

1803

13.9450

$14.01

$13.85

EDGX

100717

13.9750

$14.28

$13.83

IEXG

6628

13.9230

$14.01

$13.88

JPMX

442

13.8600

$13.86

$13.86

JSJX

400

13.9233

$13.95

$13.91

LEVL

386

13.9067

$13.91

$13.90

SGMT

8365

13.9405

$14.24

$13.85

UBSA

139

13.9100

$13.91

$13.91

VFMI

130

13.8800

$13.88

$13.88

XCHI

10823

13.9340

$14.24

$13.84

XNAS

10862

13.9324

$14.25

$13.84

XNYS

32

13.9100

$13.91

$13.91

XPSX

Trading venue

Currency

NYSE

USD

$13.9584

162,102


For further information, please contact:

Diversified Energy Company

+1 973 856 2757

Doug Kris

dkris@dgoc.com

Senior Vice President, Investor Relations & Corporate Communications

www.div.energy


About Diversified Energy Company

Diversified is a leading publicly traded energy company focused on acquiring, operating, and optimizing cash generating energy assets. 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.