# EDGAR Filing Document

**Accession Number:** 0001922446
**File Stem:** 0001922446-26-000053
**Filing Date:** 2026-5
**Character Count:** 10298
**Document Hash:** 146ee415e8149cd9a910e2a84e063584
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001922446-26-000053.hdr.sgml**: 20260521

**ACCESSION NUMBER**: 0001922446-26-000053

**CONFORMED SUBMISSION TYPE**: 8-K

**PUBLIC DOCUMENT COUNT**: 12

**CONFORMED PERIOD OF REPORT**: 20260520

**ITEM INFORMATION**: Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers: Compensatory Arrangements of Certain Officers

**ITEM INFORMATION**: Regulation FD Disclosure

**ITEM INFORMATION**: Financial Statements and Exhibits

**FILED AS OF DATE**: 20260521

**DATE AS OF CHANGE**: 20260521

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** Diversified Energy Co
- **CENTRAL INDEX KEY:** 0001922446
- **STANDARD INDUSTRIAL CLASSIFICATION:** CRUDE PETROLEUM & NATURAL GAS [1311]
- **ORGANIZATION NAME:** 01 Energy & Transportation
- **EIN:** 000000000
- **STATE OF INCORPORATION:** X0
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** 8-K
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 001-41870
- **FILM NUMBER:** 261009312

**BUSINESS ADDRESS:**
- **STREET 1:** 1600 CORPORATE DRIVE
- **CITY:** BIRMINGHAM
- **STATE:** AL
- **ZIP:** 35242
- **BUSINESS PHONE:** (205) 408-0909

**MAIL ADDRESS:**
- **STREET 1:** 1600 CORPORATE DRIVE
- **CITY:** BIRMINGHAM
- **STATE:** AL
- **ZIP:** 35242

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** Diversified Energy Co PLC
- **DATE OF NAME CHANGE:** 20220407

?xml version='1.0' encoding='ASCII'? dec-20260520

**UNITED STATES SECURITIES AND EXCHANGE COMMISSION**

**Washington, D.C. 20549**

**FORM 8-K**

 

**CURRENT REPORT**

**Pursuant to Section13 or 15(d)**

**of the Securities Exchange Act of 1934**

**Date of Report (Date of earliest event reported): May 20, 2026**

**Diversified Energy Company**

**(Exact name of registrant as specified in its charter)**

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| | | |
|:---|:---|:---|
| **Delaware** | **001-41870** | **41-2283606** |
| **(State or Other Jurisdiction of Incorporation)** | **(Commission File Number)** | **(IRS Employer Identification No.)** |
| **1600 Corporate Drive Birmingham, Alabama**  |  | **35242** |
| **(Address of Principal Executive Office)** |  | **(Zip Code)** |

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**Registrant's Telephone Number, Including Area Code: (205) 408-0909**

**(Former Name or Former Address, if Changed Since Last Report): Not Applicable**

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:

☐ Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

☐ Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

☐ Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

☐ Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Securities registered, pursuant to Section 12(b) of the Act:

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| | | |
|:---|:---|:---|
| **Title of each class** | **Trading Symbol(s)** | **Name of each exchange on which registered** |
| Common Stock, par value $0.01 per share | DEC | New York Stock Exchange |

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Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter)

Emerging Growth Company ☐

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐

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| | |
|:---|:---|
| **Item 5.02** | **Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers**  |

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On May 20, 2026, the Board of Directors (the "Board") of Diversified Energy Company (the "Company") appointed Kirk Oliver to the Board and to the Audit and Risk Committee and the Sustainability and Safety Committee of the Board, in each case effective May 21, 2026. In connection with such appointment, the size of the full Board was increased from five to six directors.

Mr. Oliver brings nearly twenty years of experience as the CFO of publicly traded energy companies, with deep experience in capital markets, mergers and acquisitions, corporate restructurings, and risk management. He most recently served as Executive Vice President and Chief Financial Officer of Equitrans Midstream Corporation, a publicly traded natural gas midstream company ("Equitrans"), from September 2018 until July 2024, where he built and led the company's finance organization and was responsible for its accounting, financial planning and analysis, treasury, tax, investor relations, and risk management functions. Prior to joining Equitrans, Mr. Oliver served as Chief Financial Officer of UGI Corporation from October 2012 to May 2018, where he had broad responsibility for financial operations, capital allocation, investor relations, and risk management. Mr. Oliver has also held senior executive and financial leadership positions at Allegheny Energy, Inc., TXU Corp. and Hunt Power, L.L.C. Earlier in his career, Mr. Oliver worked in investment banking at Lehman Brothers in its Global Power & Energy Group. Mr. Oliver holds a Bachelor of Science degree in Electrical Engineering from Lawrence Technological University and a Master of Business Administration from the University of Chicago Booth School of Business.

In connection with his appointment to the Board, Mr. Oliver entered into the Company's standard form of indemnification agreement, the form of which has been filed as Exhibit 10.11 to the Company's Annual Report on Form 10-K for the year ended December 31, 2025. Mr. Oliver will also receive compensation for services as a non-employee director of the Company consistent with the compensation generally provided to other non-employee directors of the Company, as disclosed in the Company's 2026 proxy statement, which was filed with the Securities and Exchange Commission on March 24, 2026, including a pro-rated annual equity grant.

There are no arrangements or understandings between Mr. Oliver and any other person pursuant to which he was selected as a director, and there are no transactions involving the Company and Mr. Oliver that the Company would be required to report pursuant to Item 404(a) of Regulation S-K.

**Item 7.01&nbsp;&nbsp;&nbsp;&nbsp;Regulation FD Disclosure**

A copy of the press release announcing the appointment of Mr. Oliver is furnished as Exhibit 99.1 to this Current Report on Form 8-K.

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| | |
|:---|:---|
| **Item 9.01** | **Financial Statements and Exhibits** |

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**(d)&nbsp;&nbsp;&nbsp;&nbsp;Exhibits**

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| | |
|:---|:---|
| **Exhibit No.** | **Description** |
| 99.1 | <u>[Press Release Dated May 21, 2026](kirkoliverbodannouncementv.htm)</u> |
| 104 | Cover Page Interactive Data File (embedded within Inline XBRL document) |

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**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.

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| | | |
|:---|:---|:---|
| | Diversified Energy Company | Diversified Energy Company |
| May 21, 2026 | By: | /s/ Benjamin M. Sullivan |
| **Date** |  | **Benjamin M. Sullivan**  |
|  |  | **Senior Executive Vice President, Chief Legal and Risk Officer and Corporate Secretary** |

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## Exhibit 99.1

**EXHIBIT 99.1**

**Diversified Energy Provides Board of Director Update**

Diversified Energy Company (NYSE: DEC, LSE: DEC) is pleased to announce that its Board of Directors (the "Board") has appointed Kirk Oliver as an independent non-executive director, effective May 21, 2026.

Mr. Oliver brings approximately 20 years of energy industry and financial expertise. He most recently served as Executive Vice President and Chief Financial Officer of Equitrans Midstream Corporation.

Prior to joining Equitrans, Mr. Oliver was the Chief Financial Officer of UGI. Mr. Oliver has also held senior executive and financial leadership positions at Allegheny Energy, TXU Corporation and Hunt Power. Earlier in his career, Mr. Oliver worked in investment banking at Lehman Brothers in the Global Power and Energy Group. Mr. Oliver received his Bachelor of Science degree in Electrical Engineering from Lawerence Technological University and holds a Masters in Business Administration from the University of Chicago Booth School of Business.

Upon his appointment, Mr. Oliver will become a member of the Board's Audit and Risk and Sustainability and Safety Committee.

Commenting on the appointment, David Johnson, Chairman, said:

*"It is my pleasure to welcome Kirk to Diversified's Board of Directors. His breadth of experience, leadership, and reputation in the energy industry will provide valuable perspectives. We look forward to Kirk's contributions as Diversified continues to progress its strategy of acquiring, operating, and optimizing cash generating energy assets that create value for shareholders."*

For further information, please contact:

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| | | |
|:---|:---|:---|
| **Diversified Energy Company**  | | |
| Doug Kris | &nbsp;&nbsp;&nbsp;&nbsp;• | dkris@dgoc.com |
| Senior Vice President, Investor Relations<br> & Corporate Communications | | 973 856 2757  |
| **FTI Consulting** | | dec@fticonsulting.com |
| U.S. & UK Financial Public Relations | | |

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**About Diversified Energy Company** 

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

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