<div id="readability-page-1"><article>TR-1: Standard form for notification of major holdings 1. Issuer Details ISIN US25520W1071 Issuer Name Diversified Energy Company UK or Non-UK Issuer Non-UK 2. Reason for Notification An acquisition or disposal of voting rights 3. Details of person subject to the notification obligation Name BlackRock, Inc. City of registered office (if applicable) Wilmington Country of registered office (if applicable) USA 4. Details of the shareholder Full name of shareholder(s) if different from the person(s) subject to the notification obligation, above City of registered office (if applicable) Country of registered office (if applicable) 5. Date on which the threshold was crossed or reached 23-Jan-2026 6. Date on which Issuer notified 26-Jan-2026 7. Total positions of person(s) subject to the notification obligation <table><tbody><tr><td>.</td><td>% of voting rights attached to shares (total of 8.A)</td><td>% of voting rights through financial instruments (total of 8.B 1 + 8.B 2)</td><td>Total of both in % (8.A + 8.B)</td><td>Total number of voting rights held in issuer</td></tr><tr><td>Resulting situation on the date on which threshold was crossed or reached</td><td>5.210000</td><td>0.530000</td><td>5.740000</td><td>4619877</td></tr><tr><td>Position of previous notification (if applicable)</td><td>4.840000</td><td>0.910000</td><td>5.750000</td><td> </td></tr></tbody></table> 8. Notified details of the resulting situation on the date on which the threshold was crossed or reached 8A. Voting rights attached to shares <table><tbody><tr><td>Class/Type of shares ISIN code (if possible) </td><td>Number of direct voting rights (DTR5.1) </td><td>Number of indirect voting rights (DTR5.2.1) </td><td>% of direct voting rights (DTR5.1) </td><td colspan="2">% of indirect voting rights (DTR5.2.1) </td></tr><tr><td>US25520W1071</td><td> </td><td>4190400</td><td> </td><td colspan="2">5.210000 </td></tr><tr><td>Sub Total 8.A</td><td colspan="2">4190400</td><td colspan="3">5.210000% </td></tr></tbody></table> 8B1. Financial Instruments according to (DTR5.3.1R.(1) (a)) <table><tbody><tr><td>Type of financial instrument </td><td>Expiration date </td><td>Exercise/conversion period </td><td>Number of voting rights that may be acquired if the instrument is exercised/converted </td><td>% of voting rights </td></tr><tr><td>Securities Lending</td><td> </td><td> </td><td>364817</td><td>0.450000</td></tr><tr><td>Sub Total 8.B1</td><td colspan="2"> </td><td>364817</td><td>0.450000%</td></tr></tbody></table> 8B2. Financial Instruments with similar economic effect according to (DTR5.3.1R.(1) (b)) <table><tbody><tr><td>Type of financial instrument</td><td>Expiration date</td><td>Exercise/conversion period</td><td>Physical or cash settlement</td><td>Number of voting rights</td><td>% of voting rights</td></tr><tr><td>CFD</td><td> </td><td> </td><td>Cash</td><td>64660</td><td>0.080000</td></tr><tr><td>Sub Total 8.B2</td><td colspan="3"> </td><td>64660</td><td>0.080000%</td></tr></tbody></table> 9. Information in relation to the person subject to the notification obligation 2. Full chain of controlled undertakings through which the voting rights and/or the financial instruments are effectively held starting with the ultimate controlling natural person or legal entities (please add additional rows as necessary) <table><tbody><tr><td>Ultimate controlling person </td><td>Name of controlled undertaking </td><td>% of voting rights if it equals or is higher than the notifiable threshold </td><td>% of voting rights through financial instruments if it equals or is higher than the notifiable threshold </td><td>Total of both if it equals or is higher than the notifiable threshold </td></tr><tr><td>BlackRock, Inc. (Chain 1)</td><td>BlackRock Saturn Subco, LLC</td><td> </td><td> </td><td> </td></tr><tr><td>BlackRock, Inc. (Chain 1)</td><td>BlackRock Finance, Inc.</td><td> </td><td> </td><td> </td></tr><tr><td>BlackRock, Inc. (Chain 1)</td><td>BlackRock Holdco 2, Inc.</td><td> </td><td> </td><td> </td></tr><tr><td>BlackRock, Inc. (Chain 1)</td><td>BlackRock Financial Management, Inc.</td><td> </td><td> </td><td> </td></tr><tr><td>BlackRock, Inc. (Chain 1)</td><td>BlackRock International Holdings, Inc.</td><td> </td><td> </td><td> </td></tr><tr><td>BlackRock, Inc. (Chain 1)</td><td>BR Jersey International Holdings L.P.</td><td> </td><td> </td><td> </td></tr><tr><td>BlackRock, Inc. (Chain 1)</td><td>BlackRock (Singapore) Holdco Pte. Ltd.</td><td> </td><td> </td><td> </td></tr><tr><td>BlackRock, Inc. (Chain 1)</td><td>BlackRock HK Holdco Limited</td><td> </td><td> </td><td> </td></tr><tr><td>BlackRock, Inc. (Chain 1)</td><td>BlackRock Lux Finco S.a.r.l.</td><td> </td><td> </td><td> </td></tr><tr><td>BlackRock, Inc. (Chain 1)</td><td>BlackRock Japan Holdings GK</td><td> </td><td> </td><td> </td></tr><tr><td>BlackRock, Inc. (Chain 1)</td><td>BlackRock Japan Co., Ltd.</td><td> </td><td> </td><td> </td></tr><tr><td>BlackRock, Inc. (Chain 2)</td><td>BlackRock Saturn Subco, LLC</td><td> </td><td> </td><td> </td></tr><tr><td>BlackRock, Inc. (Chain 2)</td><td>BlackRock Finance, Inc.</td><td> </td><td> </td><td> </td></tr><tr><td>BlackRock, Inc. (Chain 2)</td><td>Trident Merger, LLC</td><td> </td><td> </td><td> </td></tr><tr><td>BlackRock, Inc. (Chain 2)</td><td>BlackRock Investment Management, LLC</td><td> </td><td> </td><td> </td></tr><tr><td>BlackRock, Inc. (Chain 3)</td><td>BlackRock Saturn Subco, LLC</td><td> </td><td> </td><td> </td></tr><tr><td>BlackRock, Inc. (Chain 3)</td><td>BlackRock Finance, Inc.</td><td> </td><td> </td><td> </td></tr><tr><td>BlackRock, Inc. (Chain 3)</td><td>BlackRock Holdco 2, Inc.</td><td> </td><td> </td><td> </td></tr><tr><td>BlackRock, Inc. (Chain 3)</td><td>BlackRock Financial Management, Inc.</td><td> </td><td> </td><td> </td></tr><tr><td>BlackRock, Inc. (Chain 3)</td><td>BlackRock International Holdings, Inc.</td><td> </td><td> </td><td> </td></tr><tr><td>BlackRock, Inc. (Chain 3)</td><td>BR Jersey International Holdings L.P.</td><td> </td><td> </td><td> </td></tr><tr><td>BlackRock, Inc. (Chain 3)</td><td>BlackRock Holdco 3, LLC</td><td> </td><td> </td><td> </td></tr><tr><td>BlackRock, Inc. (Chain 3)</td><td>BlackRock Cayman 1 LP</td><td> </td><td> </td><td> </td></tr><tr><td>BlackRock, Inc. (Chain 3)</td><td>BlackRock Cayman West Bay Finco Limited</td><td> </td><td> </td><td> </td></tr><tr><td>BlackRock, Inc. (Chain 3)</td><td>BlackRock Cayman West Bay IV Limited</td><td> </td><td> </td><td> </td></tr><tr><td>BlackRock, Inc. (Chain 3)</td><td>BlackRock Group Limited</td><td> </td><td> </td><td> </td></tr><tr><td>BlackRock, Inc. (Chain 3)</td><td>BlackRock Investment Management (UK) Limited</td><td> </td><td> </td><td> </td></tr><tr><td>BlackRock, Inc. (Chain 4)</td><td>BlackRock Saturn Subco, LLC</td><td> </td><td> </td><td> </td></tr><tr><td>BlackRock, Inc. (Chain 4)</td><td>BlackRock Finance, Inc.</td><td> </td><td> </td><td> </td></tr><tr><td>BlackRock, Inc. (Chain 4)</td><td>BlackRock Holdco 2, Inc.</td><td> </td><td> </td><td> </td></tr><tr><td>BlackRock, Inc. (Chain 4)</td><td>BlackRock Financial Management, Inc.</td><td> </td><td> </td><td> </td></tr><tr><td>BlackRock, Inc. (Chain 4)</td><td>BlackRock International Holdings, Inc.</td><td> </td><td> </td><td> </td></tr><tr><td>BlackRock, Inc. (Chain 4)</td><td>BR Jersey International Holdings L.P.</td><td> </td><td> </td><td> </td></tr><tr><td>BlackRock, Inc. (Chain 4)</td><td>BlackRock Australia Holdco Pty. Ltd.</td><td> </td><td> </td><td> </td></tr><tr><td>BlackRock, Inc. (Chain 4)</td><td>BlackRock Investment Management (Australia) Limited</td><td> </td><td> </td><td> </td></tr><tr><td>BlackRock, Inc. (Chain 5)</td><td>BlackRock Saturn Subco, LLC</td><td> </td><td> </td><td> </td></tr><tr><td>BlackRock, Inc. (Chain 5)</td><td>BlackRock Finance, Inc.</td><td> </td><td> </td><td> </td></tr><tr><td>BlackRock, Inc. (Chain 5)</td><td>BlackRock Holdco 2, Inc.</td><td> </td><td> </td><td> </td></tr><tr><td>BlackRock, Inc. (Chain 5)</td><td>BlackRock Financial Management, Inc.</td><td> </td><td> </td><td> </td></tr><tr><td>BlackRock, Inc. (Chain 5)</td><td>BlackRock Holdco 4, LLC</td><td> </td><td> </td><td> </td></tr><tr><td>BlackRock, Inc. (Chain 5)</td><td>BlackRock Holdco 6, LLC</td><td> </td><td> </td><td> </td></tr><tr><td>BlackRock, Inc. (Chain 5)</td><td>BlackRock Delaware Holdings Inc.</td><td> </td><td> </td><td> </td></tr><tr><td>BlackRock, Inc. (Chain 5)</td><td>BlackRock Institutional Trust Company, National Association</td><td> </td><td> </td><td> </td></tr><tr><td>BlackRock, Inc. (Chain 6)</td><td>BlackRock Saturn Subco, LLC</td><td> </td><td> </td><td> </td></tr><tr><td>BlackRock, Inc. (Chain 6)</td><td>BlackRock Finance, Inc.</td><td> </td><td> </td><td> </td></tr><tr><td>BlackRock, Inc. (Chain 6)</td><td>BlackRock Holdco 2, Inc.</td><td> </td><td> </td><td> </td></tr><tr><td>BlackRock, Inc. (Chain 6)</td><td>BlackRock Financial Management, Inc.</td><td> </td><td> </td><td> </td></tr><tr><td>BlackRock, Inc. (Chain 6)</td><td>BlackRock Holdco 4, LLC</td><td> </td><td> </td><td> </td></tr><tr><td>BlackRock, Inc. (Chain 6)</td><td>BlackRock Holdco 6, LLC</td><td> </td><td> </td><td> </td></tr><tr><td>BlackRock, Inc. (Chain 6)</td><td>BlackRock Delaware Holdings Inc.</td><td> </td><td> </td><td> </td></tr><tr><td>BlackRock, Inc. (Chain 6)</td><td>BlackRock Fund Advisors</td><td> </td><td> </td><td> </td></tr><tr><td>BlackRock, Inc. (Chain 7)</td><td>BlackRock Saturn Subco, LLC</td><td> </td><td> </td><td> </td></tr><tr><td>BlackRock, Inc. (Chain 7)</td><td>BlackRock Finance, Inc.</td><td> </td><td> </td><td> </td></tr><tr><td>BlackRock, Inc. (Chain 7)</td><td>BlackRock Holdco 2, Inc.</td><td> </td><td> </td><td> </td></tr><tr><td>BlackRock, Inc. (Chain 7)</td><td>BlackRock Financial Management, Inc.</td><td> </td><td> </td><td> </td></tr><tr><td>BlackRock, Inc. (Chain 8)</td><td>BlackRock Saturn Subco, LLC</td><td> </td><td> </td><td> </td></tr><tr><td>BlackRock, Inc. (Chain 8)</td><td>BlackRock Finance, Inc.</td><td> </td><td> </td><td> </td></tr><tr><td>BlackRock, Inc. (Chain 8)</td><td>BlackRock Holdco 2, Inc.</td><td> </td><td> </td><td> </td></tr><tr><td>BlackRock, Inc. (Chain 8)</td><td>BlackRock Financial Management, Inc.</td><td> </td><td> </td><td> </td></tr><tr><td>BlackRock, Inc. (Chain 8)</td><td>BlackRock International Holdings, Inc.</td><td> </td><td> </td><td> </td></tr><tr><td>BlackRock, Inc. (Chain 8)</td><td>BlackRock Canada Holdings ULC</td><td> </td><td> </td><td> </td></tr><tr><td>BlackRock, Inc. (Chain 8)</td><td>BlackRock Asset Management Canada Limited</td><td> </td><td> </td><td> </td></tr><tr><td>BlackRock, Inc. (Chain 9)</td><td>BlackRock Saturn Subco, LLC</td><td> </td><td> </td><td> </td></tr><tr><td>BlackRock, Inc. (Chain 9)</td><td>BlackRock Finance, Inc.</td><td> </td><td> </td><td> </td></tr><tr><td>BlackRock, Inc. (Chain 9)</td><td>BlackRock Holdco 2, Inc.</td><td> </td><td> </td><td> </td></tr><tr><td>BlackRock, Inc. (Chain 9)</td><td>BlackRock Financial Management, Inc.</td><td> </td><td> </td><td> </td></tr><tr><td>BlackRock, Inc. (Chain 9)</td><td>BlackRock Capital Holdings, Inc.</td><td> </td><td> </td><td> </td></tr><tr><td>BlackRock, Inc. (Chain 9)</td><td>BlackRock Advisors, LLC</td><td> </td><td> </td><td> </td></tr><tr><td>BlackRock, Inc. (Chain 10)</td><td>BlackRock Saturn Subco, LLC</td><td> </td><td> </td><td> </td></tr><tr><td>BlackRock, Inc. (Chain 10)</td><td>BlackRock Finance, Inc.</td><td> </td><td> </td><td> </td></tr><tr><td>BlackRock, Inc. (Chain 10)</td><td>BlackRock Holdco 2, Inc.</td><td> </td><td> </td><td> </td></tr><tr><td>BlackRock, Inc. (Chain 10)</td><td>BlackRock Financial Management, Inc.</td><td> </td><td> </td><td> </td></tr><tr><td>BlackRock, Inc. (Chain 10)</td><td>BlackRock International Holdings, Inc.</td><td> </td><td> </td><td> </td></tr><tr><td>BlackRock, Inc. (Chain 10)</td><td>BR Jersey International Holdings L.P.</td><td> </td><td> </td><td> </td></tr><tr><td>BlackRock, Inc. (Chain 10)</td><td>BlackRock Holdco 3, LLC</td><td> </td><td> </td><td> </td></tr><tr><td>BlackRock, Inc. (Chain 10)</td><td>BlackRock Cayman 1 LP</td><td> </td><td> </td><td> </td></tr><tr><td>BlackRock, Inc. (Chain 10)</td><td>BlackRock Cayman West Bay Finco Limited</td><td> </td><td> </td><td> </td></tr><tr><td>BlackRock, Inc. (Chain 10)</td><td>BlackRock Cayman West Bay IV Limited</td><td> </td><td> </td><td> </td></tr><tr><td>BlackRock, Inc. (Chain 10)</td><td>BlackRock Group Limited</td><td> </td><td> </td><td> </td></tr><tr><td>BlackRock, Inc. (Chain 10)</td><td>BlackRock Advisors (UK) Limited</td><td> </td><td> </td><td> </td></tr><tr><td>BlackRock, Inc. (Chain 11)</td><td>BlackRock Saturn Subco, LLC</td><td> </td><td> </td><td> </td></tr><tr><td>BlackRock, Inc. (Chain 11)</td><td>BlackRock Finance, Inc.</td><td> </td><td> </td><td> </td></tr><tr><td>BlackRock, Inc. (Chain 11)</td><td>Trident Merger, LLC</td><td> </td><td> </td><td> </td></tr><tr><td>BlackRock, Inc. (Chain 11)</td><td>BlackRock Investment Management, LLC</td><td> </td><td> </td><td> </td></tr><tr><td>BlackRock, Inc. (Chain 11)</td><td>Amethyst Intermediate, LLC</td><td> </td><td> </td><td> </td></tr><tr><td>BlackRock, Inc. (Chain 11)</td><td>Aperio Holdings, LLC</td><td> </td><td> </td><td> </td></tr><tr><td>BlackRock, Inc. (Chain 11)</td><td>Aperio Group, LLC</td><td> </td><td> </td><td> </td></tr></tbody></table> 10. In case of proxy voting Name of the proxy holder The number and % of voting rights held The date until which the voting rights will be held 11. Additional Information <div>BlackRock Regulatory Threshold Reporting Team Jana Blumenstein 020 7743 3650 </div> 12. Date of Completion 26th January 2026 13. Place Of Completion 12 Throgmorton Avenue, London, EC2N 2DL, U.K. <img src="https://imageproxy.pbkrs.com/https://www.globenewswire.com/newsroom/ti/query-bmY9T1RZME1qVTJOaU0zTXpreE1qQTVJekl4T0RreE16RT0?x-oss-process=image/auto-orient,1/interlace,1/resize,w_1440,h_1440/quality,q_95/format,jpg" width="1" height="1" original-src="https://imageproxy.pbkrs.com/https://www.globenewswire.com/newsroom/ti/query-bmY9T1RZME1qVTJOaU0zTXpreE1qQTVJekl4T0RreE16RT0"/> <img src="https://imageproxy.pbkrs.com/https://ml.globenewswire.com/media/YTMyNDkyZTktY2NhZi00NWViLTg0YmItZTdiNjY1MjZjZWY0LTEyMDA2ODQtMjAyNi0wMS0yNi1lbg==/tiny/Diversified-Energy-PLC.png?x-oss-process=image/auto-orient,1/interlace,1/resize,w_1440,h_1440/quality,q_95/format,jpg" width="1" height="1" original-src="https://imageproxy.pbkrs.com/https://ml.globenewswire.com/media/YTMyNDkyZTktY2NhZi00NWViLTg0YmItZTdiNjY1MjZjZWY0LTEyMDA2ODQtMjAyNi0wMS0yNi1lbg==/tiny/Diversified-Energy-PLC.png"/></article></div>

Diversified Energy Company has reported a major holdings notification by BlackRock, Inc., indicating an acquisition of voting rights. As of January 23, 2026, BlackRock holds 5.21% of voting rights attached to shares and an additional 0.53% through financial instruments, totaling 5.74%. This marks an increase from their previous holding of 5.75%. The notification was made on January 26, 2026, following the crossing of the threshold.

Diversified Energy TR-1 | DEC Stock News