REG-Transaction in Own Shares

Diversified Energy CoAnnouncement

12/01/2026 07:00

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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 143,851 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 $13.5071 per Share through Mizuho Securities USA LLC (MSUSA). The
Shares acquired will, in due course, be cancelled.

Aggregated Information

 Date of Purchase:                                    January 09, 2026  
 Aggregate Number of Shares Purchased:                143,851           
 Lowest Price Paid per Share (USD):                   13.28             
 Highest Price Paid per Share (USD):                  13.94             
 Volume-Weighted Average Price Paid per Share (USD):  13.5071           



Following the cancellation of Shares, Diversified will have 78,271,880 shares
of common stock, in issue and no shares of common stock is held in treasury.
This figure of 78,271,880 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        Daily volume        Daily         Daily     Trading Venue  
 ordinary shares acquired   weighted average    highest       lowest                   
                            price paid          price         price                    
                                                paid          per                      
                                                per           share                    
                                                share                                  
 7858                       13.5123             $ 13.93       $ 13.29   ARCX           
 8570                       13.4027             $ 13.87       $ 13.28   ASPN           
 3062                       13.3612             $ 13.56       $ 13.30   BAML           
 180                        13.3100             $ 13.31       $ 13.31   BARX           
 3774                       13.4124             $ 13.89       $ 13.30   BATS           
 571                        13.8843             $ 13.92       $ 13.86   BATY           
 746                        13.3300             $ 13.33       $ 13.33   BIDS           
 106                        13.5800             $ 13.86       $ 13.30   EDGA           
 2538                       13.4119             $ 13.67       $ 13.31   EDGX           
 700                        13.4200             $ 13.42       $ 13.42   EPRL           
 75578                      13.5375             $ 13.94       $ 13.28   IEXG           
 6307                       13.4531             $ 13.92       $ 13.29   JPMX           
 812                        13.3700             $ 13.41       $ 13.33   JSJX           
 35                         13.4675             $ 13.90       $ 13.32   LEVL           
 54                         13.4633             $ 13.57       $ 13.40   MEMX           
 600                        13.3300             $ 13.33       $ 13.33   MSPL           
 2353                       13.3780             $ 13.57       $ 13.28   SGMT           
 7196                       13.4361             $ 13.92       $ 13.28   UBSA           
 107                        13.3250             $ 13.33       $ 13.32   VFMI           
 1353                       13.5326             $ 13.88       $ 13.31   XBOS           
 10954                      13.4198             $ 13.85       $ 13.28   XNAS           
 10297                      13.4983             $ 13.92       $ 13.28   XNYS           
 100                        13.3300             $ 13.33       $ 13.33   XSTM           
 Trading venue              Currency                                                   
 NYSE                       USD                 $ 13.5071     143,851                  



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