SCHEDULE 13G/A 0001104659-25-048791 0001501729 XXXXXXXX LIVE 1 Common Stock 05/09/2025 0001922446 Diversified Energy Co PLC G2891G204 1600 Corporate Drive Birmingham AL 35242 FS Specialty Lending Fund DE 0.00 3949906.00 0.00 3949906.00 3949906.00 N 4.9 OO This amendment is being filed because the percentage of class beneficially owned by FS Specialty Lending Fund fell below 5% as of May 9, 2025 (the "Effective Date"). This Schedule 13G shows the number of shares beneficially owned by FS Specialty Lending as of the Effective Date. FS/EIG Advisor, LLC DE 0.00 3949906.00 0.00 3949906.00 3949906.00 N 4.9 IA This amendment is being filed because the percentage of class beneficially owned by FS/EIG Advisor, LLC fell below 5% as of the Effective Date. This Schedule 13G shows the number of shares beneficially owned by FS/EIG Advisor, LLC as of the Effective Date. FS Investment Advisor, LLC DE 0.00 3949906.00 0.00 3949906.00 3949906.00 N 4.9 OO This amendment is being filed because the percentage of class beneficially owned by FS Investment Advisor, LLC fell below 5% as of the Effective Date. This Schedule 13G shows the number of shares beneficially owned by FS Investment Advisor, LLC as of the Effective Date. Diversified Energy Co PLC 1600 Corporate Drive Birmingham, AL, 35242 This Statement is filed on behalf of the following persons (collectively, the "Reporting Persons"): FS Specialty Lending Fund FS/EIG Advisor, LLC FS Investment Advisor, LLC This Statement relates to common shares (the "Shares") of Diversified Energy Co PLC (the "Company") owned by FS Specialty Lending Fund through its wholly-owned subsidiary FSEP Investments, Inc. FS/EIG Advisor, LLC is the investment adviser to FS Specialty Lending Fund. FS Investment Advisor, LLC is a member of FS/EIG Advisor, LLC and is responsible for appointing the investment committee members responsible for making investment decisions with respect to the Shares. This amendment was filed to reflect the sale of 139,748 Shares between March 14, 2025 and May 9, 2025 (the "Effective Date"), which caused the Reporting Persons' beneficial interest to fall below 5% of the Company's outstanding Shares as of the Effective Date. With respect to Item 3 below, FS/EIG Advisor, LLC selects "[a]n investment adviser in accordance with ss. 240.13d-1(b)(1)(ii)(E)." The principal business office for all filing persons is: c/o FS Investments 201 Rouse Boulevard Philadelphia, PA 19112 See Item 4 of each cover page. N IA 3949906.00 4.9% 0 3949906.00 0 3949906.00 N Y Y N See disclosure in Item 2 hereof. Y Y N By signing below I certify that, to the best of my knowledge and belief, the securities referred to above were not acquired and are not held for the purpose of or with the effect of changing or influencing the control of the issuer of the securities and were not acquired and are not held in connection with or as a participant in any transaction having that purpose or effect, other than activities solely in connection with a nomination under ?? 240.14a-11. FS Specialty Lending Fund /s/ Stephen Sypherd 05/29/2025 FS/EIG Advisor, LLC /s/ Stephen Sypherd 05/29/2025 FS Investment Advisor, LLC /s/ Stephen Sypherd 05/29/2025