September 17, 2025 - 6-K: Report of foreign issuer [Rules 13a-16 and 15d-16]

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 6-K

REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO SECTION 13a-16 OR 15d-16

UNDER THE SECURITIES EXCHANGE ACT OF 1934

For the month of September 2025

Commission File Number: 001-41870

Diversified Energy Company PLC

(Translation of registrant’s name into English)

1600 Corporate Drive

Birmingham, Alabama 35242

(Address of principal executive office)

Indicate by check mark whether the registrant files or will file annual reports under cover of Form 20-F or Form 40-F.

Form 20-F ☒ Form 40-F ☐

THIS REPORT ON FORM 6-K SHALL BE DEEMED TO BE INCORPORATED BY REFERENCE IN THE PROSPECTUS INCLUDED IN THE REGISTRATION STATEMENT ON FORM S-8 (FILE NO. 333-276139) AND THE REGISTRATION STATEMENTS ON FORM F-3ASR (FILE NO. 333-284846 AND 333-287373) OF DIVERSIFIED ENERGY COMPANY PLC, AND, IN EACH CASE, TO BE A PART THEREOF FROM THE DATE ON WHICH THIS REPORT IS FURNISHED, TO THE EXTENT NOT SUPERSEDED BY DOCUMENTS OR REPORTS SUBSEQUENTLY FILED OR FURNISHED.

EXHIBIT INDEX

Exhibit No.	Description
1.1	Underwriting Agreement, dated September 16, 2025, by and among Diversified Energy Company PLC, Diversified Gas & Oil Corporation, certain affiliates of EIG Global Energy Partners, an entity managed by FS/EIG Advisor, LLC and certain entities managed by FS/KKR Advisor, LLC listed on Schedule I thereto, and Mizuho Securities USA LLC and Raymond James & Associates, Inc., as representatives of the several underwriters named in Schedule II thereto.
99.1	RNS Announcement dated September 16, 2025.

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, as amended, the registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized.

	Diversified Energy Company plc

September 17, 2025	By:	/s/ Bradley G. Gray
Date		Bradley G. Gray
		President & Chief Financial Officer

Form: 6-K

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