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CHORD ENERGY CORPORATION THE COMPANY WILL FURNISH WITHOUT CHARGE TO EACH SHAREHOLDER WHO SO REQUESTS, A SUMMARY OF THE POWERS, DESIGNATIONS, PREFERENCES AND RELATIVE, PARTICIPATING, OPTIONAL OR OTHER SPECIAL RIGHTS OF EACH CLASS OF STOCK OF THE COMPA

chrdstockcertificate CHORD ENERGY CORPORATION THE COMPANY WILL FURNISH WITHOUT CHARGE TO EACH SHAREHOLDER WHO SO REQUESTS, A SUMMARY OF THE POWERS, DESIGNATIONS, PREFERENCES AND RELATIVE, PARTICIPATING, OPTIONAL OR OTHER SPECIAL RIGHTS OF EACH CLASS OF STOCK OF THE COMPANY AND THE QUALIFICATIONS, LIMITATIONS OR RESTRICTIONS OF SUCH PREFERENCES AND RIGHTS, AND THE VARIATIONS IN RIGHTS, PREFERENCES AND LIMITATIONS DETERMINED FOR EACH SERIES, WHICH ARE FIXED BY THE CERTIFICATE OF INCORPORATION OF THE COMPANY, AS AMENDED, AND THE RESOLUTIONS OF THE BOARD OF DIRECTORS OF THE COMPANY, AND THE AUTHORITY OF THE BOARD OF DIRECTORS TO DETERMINE VARIATIONS FOR FUTURE SERIES.

NOTICE OF GRANT OF MARKET STOCK UNITS

Exhibit 10.1 NOTICE OF GRANT OF MARKET STOCK UNITS Pursuant to the terms and conditions of the Chord Energy Corporation Long Term Incentive Plan (the “Plan”), and the associated Market Stock Unit Agreement (the “Agreement”), you are hereby granted an award of Market Stock Units (the “Award”), whereby each Market Stock Unit that becomes earned, as determined by the Committee in its sole and absolut

Securities and Exchange Commission Washington, D.C. 20549 FORM T-1 STATEMENT OF ELIGIBILITY UNDER THE TRUST INDENTURE ACT OF 1939 OF A CORPORATION DESIGNATED TO ACT AS TRUSTEE Check if an Application to Determine Eligibility of a Trustee Pursuant to

Securities and Exchange Commission Washington, D.C. 20549 FORM T-1 STATEMENT OF ELIGIBILITY UNDER THE TRUST INDENTURE ACT OF 1939 OF A CORPORATION DESIGNATED TO ACT AS TRUSTEE Check if an Application to Determine Eligibility of a Trustee Pursuant to Section 305(b)(2) ☐ U.S. BANK TRUST COMPANY, NATIONAL ASSOCIATION (Exact name of Trustee as specified in its charter) 91-1821036 I.R.S. Employer Ident

DESCRIPTION OF THE REGISTRANT’S SECURITIES REGISTERED PURSUANT TO SECTION 12 OF THE SECURITIES EXCHANGE ACT OF 1934

Exhibit 4.2 DESCRIPTION OF THE REGISTRANT’S SECURITIES REGISTERED PURSUANT TO SECTION 12 OF THE SECURITIES EXCHANGE ACT OF 1934 As of May 4, 2026, Chord Energy Corporation has one class of securities registered under Section 12 of the Securities Exchange Act of 1934, as amended (the “Exchange Act”): our common stock. For purposes of this description, references to “the Company,” “we,” “our” and “u

CHORD ENERGY CORPORATION, AS ISSUER, ANY SUBSIDIARY GUARANTORS PARTY HERETO AS TRUSTEE DATED AS OF _____________, 20__ DEBT SECURITIES TABLE OF CONTENTS

Exhibit 4.3 CHORD ENERGY CORPORATION, AS ISSUER, ANY SUBSIDIARY GUARANTORS PARTY HERETO AND [], AS TRUSTEE INDENTURE DATED AS OF , 20 DEBT SECURITIES TABLE OF CONTENTS ARTICLE ONE DEFINITIONS AND OTHER PROVISIONS OF GENERAL APPLICATION SECTION 1.01 Definitions. SECTION 1.02 Compliance Certificates and Opinions. SECTION 1.03 Form of Documents Delivered to Trustee. SECTION 1.04 Acts of Holders; Reco

As filed with the Securities and Exchange Commission on May 7, 2026

As filed with the Securities and Exchange Commission on May 7, 2026 Registration No.

Security Type

Calculation of Filing Fee Tables S-3 Chord Energy Corp Table 1: Newly Registered and Carry Forward Securities ☐Not Applicable Security Type Security Class Title Fee Calculation or Carry Forward Rule Amount Registered Proposed Maximum Offering Price Per Unit Maximum Aggregate Offering Price Fee Rate Amount of Registration Fee Carry Forward Form Type Carry Forward File Number Carry Forward Initial Effective Date Filing Fee Previously Paid in Connection with Unsold Securities to be Carried Forward Newly Registered Securities Fees to be Paid 1 Debt Debt Securities 457(r) 0.

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended March 31, 2026 or ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission file number: 1-34776 Chor

Chord Energy Reports First Quarter 2026 Financial and Operating Results, Updates 2026 Outlook and Declares Base Dividend

Exhibit 99.1 Chord Energy Reports First Quarter 2026 Financial and Operating Results, Updates 2026 Outlook and Declares Base Dividend Houston, Texas — May 5, 2026 — Chord Energy Corporation (NASDAQ: CHRD) (“Chord,” “Chord Energy,” or the “Company”) today reported financial and operating results for the first quarter 2026. Key Takeaways and Updates: •Operational Strength: Cash Flow from Operations

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): May 5, 2026 CHORD ENERGY CORPORAT

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): May 5, 2026 CHORD ENERGY CORPORATION (Exact name of registrant as specified in its charter) Delaware 001-34776 80-0554627 (State or other jurisdiction of incorporation or organization

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): April 29, 2026 CHORD ENERGY CORPO

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): April 29, 2026 CHORD ENERGY CORPORATION (Exact name of registrant as specified in its charter) Delaware 001-34776 80-0554627 (State or other jurisdiction of incorporation or organizat

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. )

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. ) ☑ Filed by the Registrant ☐ Filed by a party other than the Registrant CHECK THE APPROPRIATE BOX: ☐ Preliminary Proxy Statement ☐ Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) ☑ Defin

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A PROXY STATEMENT PURSUANT TO SECTION 14(a) OF THE SECURITIES EXCHANGE ACT OF 1934 (AMENDMENT NO. )

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A PROXY STATEMENT PURSUANT TO SECTION 14(a) OF THE SECURITIES EXCHANGE ACT OF 1934 (AMENDMENT NO. ) Filed by the Registrant þ Filed by a Party other than the Registrant ¨ Check the appropriate box: ¨ Preliminary Proxy Statement ¨ Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) ¨ Defin

February 10, 2026

February 10, 2026 Mr. Harrison Godwin Chord Energy Corporation 1001 Fannin Street, Suite 1500 Houston, Texas 77002 Dear Mr. Godwin: In accordance with your request, we have estimated the proved reserves and future revenue, as of December 31, 2025, to the Chord Energy Corporation (Chord) interest in certain oil and gas properties located in the United States. We completed our evaluation on or about

List of Subsidiaries of Chord Energy Corporation

Exhibit 21.1 List of Subsidiaries of Chord Energy Corporation Name of Subsidiary Jurisdiction of Incorporation or Organization Chord Energy LLC Delaware Chord Energy Holdings LLC Delaware Chord Energy Marketing LLC Delaware Enerplus Corporation Alberta Enerplus Resources U.S. Inc. Delaware Enerplus Resources (USA) Corporation Delaware Enerplus Williston I LLC Delaware Enerplus Williston II LLC Del

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K _______________________________________ ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 20

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2025 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Commission file number: 001-34776 Chord Energy Corporation (Exact name of r

CHORD ENERGY CORPORATION INSIDER TRADING POLICY (Amended as of June 1, 2025)

Exhibit 19.1 CHORD ENERGY CORPORATION INSIDER TRADING POLICY (Amended as of June 1, 2025) This Insider Trading Policy (this “Policy”) provides guidance to directors, officers, employees and consultants of Chord Energy Corporation and its subsidiaries (collectively, the “Company”) with respect to transactions in the Company’s securities (such as common stock, options to buy or sell common stock, wa

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): February 25, 2026 CHORD ENERGY CO

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): February 25, 2026 CHORD ENERGY CORPORATION (Exact name of registrant as specified in its charter) Delaware 001-34776 80-0554627 (State or other jurisdiction of incorporation or organi

Chord Energy Reports Fourth Quarter and Full-Year 2025 Financial and Operating Results, Issues 2026 Outlook and Declares Base Dividend

Exhibit 99.1 Chord Energy Reports Fourth Quarter and Full-Year 2025 Financial and Operating Results, Issues 2026 Outlook and Declares Base Dividend Houston, Texas — February 25, 2026 — Chord Energy Corporation (NASDAQ: CHRD) (“Chord”, “Chord Energy” or the “Company”) today reported financial and operating results for the fourth quarter and full-year 2025 and announced its 2026 outlook. Key Takeawa

Seventh Amendment To Amended and Restated Credit Agreement Dated as of November 3, 2025 Among Chord Energy Corporation, as Parent, Oasis Petroleum North America LLC, As Borrower, the other Credit Parties party hereto, Wells Fargo Bank, National Assoc

Exhibit 10.1 Execution Version Seventh Amendment To Amended and Restated Credit Agreement Dated as of November 3, 2025 Among Chord Energy Corporation, as Parent, Oasis Petroleum North America LLC, As Borrower, the other Credit Parties party hereto, Wells Fargo Bank, National Association, as Administrative Agent, Issuing Bank and Swingline Lender and The Lenders Party Hereto SEVENTH AMENDMENT TO AM

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended September 30, 2025 or ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission file number: 1-34776

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): November 4, 2025 CHORD ENERGY COR

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): November 4, 2025 CHORD ENERGY CORPORATION (Exact name of registrant as specified in its charter) Delaware 001-34776 80-0554627 (State or other jurisdiction of incorporation or organiz

Chord Energy Reports Third Quarter 2025 Financial and Operating Results, Declares Base Dividend and Issues Updated Outlook

Exhibit 99.1 Chord Energy Reports Third Quarter 2025 Financial and Operating Results, Declares Base Dividend and Issues Updated Outlook Houston, Texas — November 4, 2025 — Chord Energy Corporation (NASDAQ: CHRD) (“Chord”, “Chord Energy” or the “Company”) today reported financial and operating results for the third quarter 2025. Key Takeaways and Updates: •Strong Execution: Efficient execution and

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): September 30, 2025 CHORD ENERGY C

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): September 30, 2025 CHORD ENERGY CORPORATION (Exact name of registrant as specified in its charter) Delaware 001-34776 80-0554627 (State or other jurisdiction of incorporation or organ

CHORD ENERGY CORPORATION AND EACH OF THE GUARANTORS PARTY HERETO 6.000% SENIOR NOTES DUE 2030 Dated as of September 30, 2025 U.S. BANK TRUST COMPANY, NATIONAL ASSOCIATION

EX-4.1 Exhibit 4.1 CHORD ENERGY CORPORATION AND EACH OF THE GUARANTORS PARTY HERETO 6.000% SENIOR NOTES DUE 2030 INDENTURE Dated as of September 30, 2025 U.S. BANK TRUST COMPANY, NATIONAL ASSOCIATION Trustee TABLE OF CONTENTS Page ARTICLE 1 DEFINITIONS AND INCORPORATION BY REFERENCE Section 1.01 Definitions 1 Section 1.02 Other Definitions 37 Section 1.03 [Reserved] 37 Section 1.04 Rules of Constr

Chord Energy Corporation Resource Extraction Payment Report For the Year Ended December 31, 2024

Exhibit 99.1 Chord Energy Corporation Resource Extraction Payment Report For the Year Ended December 31, 2024 The table below sets forth payments made by Chord Energy Corporation (the “Company” or “Chord”) to the U.S. Federal Government and foreign governments during the fiscal year ended December 31, 2024 for the purpose of the commercial development of oil and natural gas. Substantially all of t

Chord Energy Corporation Resource Extraction Payment Report For the Year Ended December 31, 2023

Exhibit 99.1 Chord Energy Corporation Resource Extraction Payment Report For the Year Ended December 31, 2023 The table below sets forth payments made by Chord Energy Corporation (the “Company”) to the U.S. Federal Government during the fiscal year ended December 31, 2023 for the purpose of the commercial development of oil and natural gas. During the year ended December 31, 2023,the Company made

XBRL TAXONOMY EXTENSION SCHEMA DOCUMENT

U.S. Federal Government [Member] Montana [Member] UNITED STATES North Dakota [Member] Williston Basin [Member] Oil and Natural Gas Wells [Member] Crude Oil, NGL’s and Natural Gas [Member]

XBRL TAXONOMY EXTENSION SCHEMA DOCUMENT

U.S. Federal Government [Member] CANADA UNITED STATES Montana [Member] Alberta [Member] North Dakota [Member] Government of Alberta, Canada [Member] Williston Basin [Member] Oil and Natural Gas Wells [Member] Crude Oil, NGL’s and Natural Gas [Member]

XBRL INSTANCE DOCUMENT

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Payments made in Canadian dollars were translated into U.S. dollars based on the exchange rate as of December 31, 2024.

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UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM SD SPECIALIZED DISCLOSURE REPORT CHORD ENERGY CORPORATION (Exact name of registrant as specified in its charter)

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM SD SPECIALIZED DISCLOSURE REPORT CHORD ENERGY CORPORATION (Exact name of registrant as specified in its charter) Delaware 001-34776 80-0554627 (State or other jurisdiction of incorporation or organization) (Commission File Number) (I.R.S. Employer Identification No.) 1001 Fannin Street, Suite 1500 Houston, Texas 77002 (Ad

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM SD/A SPECIALIZED DISCLOSURE REPORT CHORD ENERGY CORPORATION (Exact name of registrant as specified in its charter)

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM SD/A SPECIALIZED DISCLOSURE REPORT CHORD ENERGY CORPORATION (Exact name of registrant as specified in its charter) Delaware 001-34776 80-0554627 (State or other jurisdiction of incorporation or organization) (Commission File Number) (I.R.S. Employer Identification No.) 1001 Fannin Street, Suite 1500 Houston, Texas 77002 (

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): September 16, 2025 CHORD ENERGY C

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): September 16, 2025 CHORD ENERGY CORPORATION (Exact name of registrant as specified in its charter) Delaware 001-34776 80-0554627 (State or other jurisdiction of incorporation or organ

Chord Energy Corporation Announces Upsizing and Pricing of $750 Million Offering of Senior Notes

EX-99.1 Exhibit 99.1 Chord Energy Corporation Announces Upsizing and Pricing of $750 Million Offering of Senior Notes HOUSTON, Texas, September 16, 2025—Chord Energy Corporation (NASDAQ: CHRD) (the “Company,” “we,” “us,” or “our”), announced today pricing of its private placement to eligible purchasers (the “Notes Offering”) of $750 million in aggregate principal amount of 6.000% senior unsecured

Chord Energy Corporation Announces $500 Million Offering of Senior Notes

EX-99.1 Exhibit 99.1 Chord Energy Corporation Announces $500 Million Offering of Senior Notes HOUSTON, Texas, September 16, 2025—Chord Energy Corporation (NASDAQ: CHRD) (the “Company,” “we,” “us,” or “our”), announced today that, subject to market conditions, it intends to offer $500 million in aggregate principal amount of senior unsecured notes due 2030 (the “Notes”) in a private placement to el

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): September 16, 2025 CHORD ENERGY C

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): September 16, 2025 CHORD ENERGY CORPORATION (Exact name of registrant as specified in its charter) Delaware 001-34776 80-0554627 (State or other jurisdiction of incorporation or organ

UNAUDITED PRO FORMA CONDENSED COMBINED STATEMENT OF OPERATIONS

EX-99.2 Exhibit 99.2 UNAUDITED PRO FORMA CONDENSED COMBINED STATEMENT OF OPERATIONS On May 31, 2024, Chord Energy Corporation (“Chord” or the “Company”) completed the arrangement contemplated by the arrangement agreement, dated as of February 21, 2024 (the “Arrangement Agreement”), by and among Chord, Enerplus Corporation (“Enerplus”) and Spark Acquisition ULC, a wholly-owned subsidiary of Chord (

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended June 30, 2025 or ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission file number: 1-34776 Chord

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): August 06, 2025 CHORD ENERGY CORP

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): August 06, 2025 CHORD ENERGY CORPORATION (Exact name of registrant as specified in its charter) Delaware 001-34776 80-0554627 (State or other jurisdiction of incorporation or organiza

Chord Energy Reports Second Quarter 2025 Financial and Operating Results, Declares Base Dividend and Issues Updated Outlook

Exhibit 99.1 Chord Energy Reports Second Quarter 2025 Financial and Operating Results, Declares Base Dividend and Issues Updated Outlook Houston, Texas — August 6, 2025 — Chord Energy Corporation (NASDAQ: CHRD) (“Chord”, “Chord Energy” or the “Company”) today reported financial and operating results for the second quarter 2025. Key Takeaways and Updates: •Operational Excellence: Delivered net cash

Chord Energy Corporation Nonqualified Deferred Compensation Plan Adoption Agreement Effective as of April 1, 2025

Chord Energy Corporation Nonqualified Deferred Compensation Plan Adoption Agreement Effective as of April 1, 2025 Table of Contents 1.

As filed with the Securities and Exchange Commission on June 20, 2025

As filed with the Securities and Exchange Commission on June 20, 2025 Registration No.

Calculation of Filing Fee Tables

Calculation of Filing Fee Tables S-8 Chord Energy Corp Table 1: Newly Registered Securities Security Type Security Class Title Fee Calculation Rule Amount Registered Proposed Maximum Offering Price Per Unit Maximum Aggregate Offering Price Fee Rate Amount of Registration Fee 1 Other Deferred Compensation Obligations 457(h) $ 50,000,000 100 % $ 50,000,000 0.

Chord Energy Corporation Nonqualified Deferred Compensation Plan Effective as of April 1, 2025

Chord Energy Corporation Nonqualified Deferred Compensation Plan Effective as of April 1, 2025 Table of Contents Preamble.

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended March 31, 2025 or ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission file number: 1-34776 Chor

Chord Energy Reports First Quarter 2025 Financial and Operating Results, Declares Base Dividend and Issues Updated Outlook

Exhibit 99.1 Chord Energy Reports First Quarter 2025 Financial and Operating Results, Declares Base Dividend and Issues Updated Outlook Houston, Texas — May 6, 2025 — Chord Energy Corporation (NASDAQ: CHRD) (“Chord”, “Chord Energy” or the “Company”) today reported financial and operating results for the first quarter 2025. Key Takeaways and Updates: •Strong Performance: Solid execution and asset p

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): May 06, 2025 CHORD ENERGY CORPORATION (Exact name of registrant as specified in its charter) Delaware 001-34776 80-0554627 (State or other jurisdiction of incorporation or organizatio

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): April 30, 2025 CHORD ENERGY CORPO

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): April 30, 2025 CHORD ENERGY CORPORATION (Exact name of registrant as specified in its charter) Delaware 001-34776 80-0554627 (State or other jurisdiction of incorporation or organizat

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. )

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. ) ☑ Filed by the Registrant ☐ Filed by a party other than the Registrant CHECK THE APPROPRIATE BOX: ☐ Preliminary Proxy Statement ☐ Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) ☑ Defin

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A PROXY STATEMENT PURSUANT TO SECTION 14(a) OF THE SECURITIES EXCHANGE ACT OF 1934 (AMENDMENT NO. )

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A PROXY STATEMENT PURSUANT TO SECTION 14(a) OF THE SECURITIES EXCHANGE ACT OF 1934 (AMENDMENT NO. ) Filed by the Registrant þ Filed by a Party other than the Registrant ¨ Check the appropriate box: ¨ Preliminary Proxy Statement ¨ Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) ¨ Defin

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): March 14, 2025 CHORD ENERGY CORPORATION (Exact name of registrant as specified in its charter) Delaware 001-34776 80-0554627 (State or other jurisdiction of incorporation or organizat

Indenture, dated as of March 13, 2025, among the Company, the Guarantors and Regions Bank, as trustee.

Exhibit 4.1 CHORD ENERGY CORPORATION AND EACH OF THE GUARANTORS PARTY HERETO 6.750% SENIOR NOTES DUE 2033 INDENTURE Dated as of March 13, 2025 REGIONS BANK Trustee TABLE OF CONTENTS Page ARTICLE 1 DEFINITIONS AND INCORPORATION BY REFERENCE Section 1.01 Definitions 1 Section 1.02 Other Definitions 36 Section 1.03 [Reserved] 37 Section 1.04 Rules of Construction 37 Section 1.05 Limited Condition Tra

Entry into a Material Definitive Agreement, Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement of a Registrant

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): March 13, 2025 CHORD ENERGY CORPORATION (Exact name of registrant as specified in its charter) Delaware 001-34776 80-0554627 (State or other jurisdiction of incorporation or organizat

Regulation FD Disclosure

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): March 3, 2025 CHORD ENERGY CORPORATION (Exact name of registrant as specified in its charter) Delaware 001-34776 80-0554627 (State or other jurisdiction of incorporation or organizati

Chord Energy Corporation Announces Pricing of $750 Million Offering of Senior Notes

Exhibit 99.1 Chord Energy Corporation Announces Pricing of $750 Million Offering of Senior Notes HOUSTON, Texas, March 3, 2025—Chord Energy Corporation (NASDAQ: CHRD) (the “Company,” “we,” “us,” or “our”) announced today pricing of its private placement to eligible purchasers (the “Notes Offering”) of $750 million in aggregate principal amount of 6.750% senior unsecured notes due 2033 (the “New No

CHORD ENERGY CORPORATION ANNOUNCES A CASH TENDER OFFER FOR ANY AND ALL OF ITS OUTSTANDING 6.375% SENIOR NOTES DUE 2026

Exhibit 99.2 CHORD ENERGY CORPORATION ANNOUNCES A CASH TENDER OFFER FOR ANY AND ALL OF ITS OUTSTANDING 6.375% SENIOR NOTES DUE 2026 HOUSTON, Texas, March 3, 2025—Chord Energy Corporation (NASDAQ: CHRD) (the “Company,” “we,” “us,” or “our”), today announced that it has commenced a cash tender offer to purchase (the “Offer”) any and all of its outstanding 6.375% senior notes due 2026 (the “2026 Note

Regulation FD Disclosure, Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): March 3, 2025 CHORD ENERGY CORPORATION (Exact name of registrant as specified in its charter) Delaware 001-34776 80-0554627 (State or other jurisdiction of incorporation or organizati

Chord Energy Corporation Announces $750 Million Offering of Senior Notes

Exhibit 99.1 Chord Energy Corporation Announces $750 Million Offering of Senior Notes HOUSTON, Texas, March 3, 2025—Chord Energy Corporation (NASDAQ: CHRD) (the “Company,” “we,” “us,” or “our”), announced today that, subject to market conditions, it intends to offer $750 million in aggregate principal amount of senior unsecured notes due 2033 (the “New Notes”) in a private placement to eligible pu

UNAUDITED PRO FORMA CONDENSED COMBINED STATEMENT OF OPERATIONS

EX-99.3 Exhibit 99.3 UNAUDITED PRO FORMA CONDENSED COMBINED STATEMENT OF OPERATIONS On May 31, 2024, Chord Energy Corporation (“Chord” or the “Company”) completed the arrangement contemplated by the arrangement agreement, dated as of February 21, 2024 (the “Arrangement Agreement”), by and among Chord, Enerplus Corporation (“Enerplus”) and Spark Acquisition ULC, a wholly-owned subsidiary of Chord (

February 14, 2025

February 14, 2025 Mr. Harrison Godwin Chord Energy Corporation 1001 Fannin Street, Suite 1500 Houston, Texas 77002 Dear Mr. Godwin: In accordance with your request, we have estimated the proved reserves and future revenue, as of December 31, 2024, to the Chord Energy Corporation (Chord) interest in certain oil and gas properties located in the United States. We completed our evaluation on or about

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K _______________________________________ ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 20

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2024 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Commission file number: 001-34776 Chord Energy Corporation (Exact name of r

List of Subsidiaries of Chord Energy Corporation

Exhibit 21.1 List of Subsidiaries of Chord Energy Corporation Name of Subsidiary Jurisdiction of Incorporation or Organization Chord Energy LLC Delaware Chord Energy Marketing LLC Delaware Enerplus Corporation Alberta Enerplus Energy Ltd. Alberta Enerplus Resources U.S. Inc. Delaware Enerplus Resources (USA) Corporation Delaware Enerplus USA 2006 Acquisition Inc. Delaware Enerplus Williston I LLC

FIFTH AMENDED AND RESTATED BYLAWS OF CHORD ENERGY CORPORATION Incorporated under the Laws of the State of Delaware (Amended and Restated February 24, 2025) Article I DEFINITIONS

Exhibit 3.5 FIFTH AMENDED AND RESTATED BYLAWS OF CHORD ENERGY CORPORATION Incorporated under the Laws of the State of Delaware (Amended and Restated February 24, 2025) Article I DEFINITIONS As used in these Bylaws, unless the context otherwise requires, the term: Section 1.1.“Assistant Secretary” means an Assistant Secretary of the Corporation. Section 1.2.“Assistant Treasurer” means an Assistant

CONFORMED VERSION OF AMENDED AND RESTATED CERTIFICATE OF INCORPORATION CHORD ENERGY CORPORATION

EXHIBIT 3.1 Explanatory Note: This exhibit is being filed pursuant to Item 601(b)(3)(i) of Regulation S-K which requires a conformed version of our charter reflecting all amendments in one document. Therefore, the document below reflects the Amended and Restated Certificate of Incorporation of Oasis Petroleum Inc. as filed with the Delaware Secretary of State on November 19, 2020 (i) revised for t

CHORD ENERGY CORPORATION INSIDER TRADING POLICY (Amended as of May 1, 2024)

Exhibit 19.1 CHORD ENERGY CORPORATION INSIDER TRADING POLICY (Amended as of May 1, 2024) This Insider Trading Policy (this “Policy”) provides guidance to directors, officers, employees and consultants of Chord Energy Corporation and its subsidiaries (collectively, the “Company”) with respect to transactions in the Company’s securities (such as common stock, options to buy or sell common stock, war

Chord Energy Reports Strong Fourth Quarter and Full-Year 2024 Financial and Operating Results, Issues 2025 Outlook and Increases Base Dividend

Exhibit 99.1 Chord Energy Reports Strong Fourth Quarter and Full-Year 2024 Financial and Operating Results, Issues 2025 Outlook and Increases Base Dividend Houston, Texas — February 25, 2025 — Chord Energy Corporation (NASDAQ: CHRD) (“Chord”, “Chord Energy” or the “Company”) today reported financial and operating results for the fourth quarter and full-year 2024 and announced its 2025 outlook. The

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): February 25, 2025 CHORD ENERGY CORPORATION (Exact name of registrant as specified in its charter) Delaware 001-34776 80-0554627 (State or other jurisdiction of incorporation or organi

CHRD / Chord Energy Corporation / FMR LLC Passive Investment

SC 13G/A 1 filing.txt SCHEDULE 13G Amendment No.3 CHORD ENERGY CORP COMMON STOCK Cusip #674215207 Check the appropriate box to designate the rule pursuant to which this Schedule is filed: [x] Rule 13d-1(b) [ ] Rule 13d-1(c) [ ] Rule 13d-1(d) Cusip #674215207 Item 1: Reporting Person - FMR LLC Item 2: (a) [ ] (b) [ ] Item 4: Delaware Item 5: 3,405,932 Item 6: 0 Item 7: 3,420,011 Item 8: 0 Item 9: 3

CHRD / Chord Energy Corporation / BlackRock, Inc. Passive Investment

SC 13G/A 1 us6742152076111224.txt us6742152076111224.txt SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No: 4) Chord Energy Corp - (Name of Issuer) Common Stock - (Title of Class of Securities) 674215207 - (CUSIP Number) September 30, 2024 - (Date of Event Which Requires Filing of this Statement) Check the appropriate box

Entry into a Material Definitive Agreement, Financial Statements and Exhibits, Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement of a Registrant

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): November 4, 2024 CHORD ENERGY CORPORATION (Exact name of registrant as specified in its charter) Delaware 001-34776 80-0554627 (State or other jurisdiction of incorporation or organiz

CHRD / Chord Energy Corporation / WELLINGTON MANAGEMENT GROUP LLP - SEC SCHEDULE 13G Passive Investment

SC 13G/A 1 SEC13GFiling.htm SEC SCHEDULE 13G UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 2 )* Chord Energy Corporation (Name of Issuer) Common Stock (Title of Class of Securities) 674215207 (CUSIP Number) September 30, 2024 (Date of Event Which Requires Filing of this Statement) Check the appropriate

Sixth Amendment to the Amended and Restated Credit Agreement, dated as of November 4, 2024, by and among Chord Energy Corporation, Oasis Petroleum North America LLC, Wells Fargo Bank, N.A., and the other parties party thereto

Execution Version Sixth Amendment To Amended and Restated Credit Agreement Dated as of November 4, 2024 Among Chord Energy Corporation, as Parent, Oasis Petroleum North America LLC, As Borrower, the other Credit Parties party hereto, Wells Fargo Bank, National Association, as Administrative Agent, Issuing Bank and Swingline Lender and The Lenders Party Hereto SIXTH AMENDMENT TO AMENDED AND RESTATE

JOINT FILING AGREEMENT

EX-99 2 Rule13DJointFilingAgreement.htm JOINT FILING AGREEMENT JOINT FILING AGREEMENT The undersigned hereby agree that this Schedule 13G (the “Schedule 13G”) with respect to the common stock of Chord Energy Corporation is, and any additional amendment thereto signed by each of the undersigned shall be, filed on behalf of each undersigned pursuant to and in accordance with the provisions of 13d-1(

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended September 30, 2024 or ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission file number: 1-34776

SIXTH AMENDMENT TO AMENDED AND RESTATED CREDIT AGREEMENT

Execution Version Sixth Amendment To Amended and Restated Credit Agreement Dated as of November 4, 2024 Among Chord Energy Corporation, as Parent, Oasis Petroleum North America LLC, As Borrower, the other Credit Parties party hereto, Wells Fargo Bank, National Association, as Administrative Agent, Issuing Bank and Swingline Lender and The Lenders Party Hereto SIXTH AMENDMENT TO AMENDED AND RESTATE

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): November 06, 2024 CHORD ENERGY CORPORATION (Exact name of registrant as specified in its charter) Delaware 001-34776 80-0554627 (State or other jurisdiction of incorporation or organi

Chord Energy Reports Strong Third Quarter 2024 Financial and Operating Results, $146MM of Share Repurchases and Issues 2025 – 2027 Outlook

Exhibit 99.1 Chord Energy Reports Strong Third Quarter 2024 Financial and Operating Results, $146MM of Share Repurchases and Issues 2025 – 2027 Outlook Houston, Texas — November 6, 2024 — Chord Energy Corporation (NASDAQ: CHRD) (“Chord”, “Chord Energy” or the “Company”) today reported financial and operating results for the third quarter 2024. The results for the three and nine months ended Septem

CHRD / Chord Energy Corporation / BlackRock, Inc. Passive Investment

SC 13G/A 1 us6742152076102124.txt us6742152076102124.txt SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No: 4) Chord Energy Corp - (Name of Issuer) Common Stock - (Title of Class of Securities) 674215207 - (CUSIP Number) September 30, 2024 - (Date of Event Which Requires Filing of this Statement) Check the appropriate box

Chord Energy Corporation Resource Extraction Payment Report For the Year Ended December 31, 2023

Exhibit 99.1 Chord Energy Corporation Resource Extraction Payment Report For the Year Ended December 31, 2023 The table below sets forth payments made by Chord Energy Corporation (the “Company”) to the U.S. Federal Government during the fiscal year ended December 31, 2023 for the purpose of the commercial development of oil and natural gas. During the year ended December 31, 2023,the Company made

XBRL INSTANCE DOCUMENT

iso4217:USD 0001486159 2023-01-01 2023-12-31 0001486159 chrd:U.S.FederalGovernmentMember country:US 2023-01-01 2023-12-31 0001486159 chrd:NorthDakotaMember 2023-01-01 2023-12-31 0001486159 chrd:MontanaMember 2023-01-01 2023-12-31 0001486159 1 2023-01-01 2023-12-31 0001486159 3 2023-01-01 2023-12-31 0001486159 5 2023-01-01 2023-12-31 0001486159 4 2023-01-01 2023-12-31 2.01 SD false 0001486159 Chord

XBRL TAXONOMY EXTENSION SCHEMA DOCUMENT

U.S. Federal Government [Member] UNITED STATES Montana [Member] North Dakota [Member] Williston Basin [Member] Oil and Natural Gas Wells [Member] Crude Oil, NGL’s and Natural Gas [Member]

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM SD SPECIALIZED DISCLOSURE REPORT CHORD ENERGY CORPORATION (Exact name of registrant as specified in its charter)

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM SD SPECIALIZED DISCLOSURE REPORT CHORD ENERGY CORPORATION (Exact name of registrant as specified in its charter) Delaware 001-34776 80-0554627 (State or other jurisdiction of incorporation or organization) (Commission File Number) (I.R.S. Employer Identification No.) 1001 Fannin Street, Suite 1500 Houston, Texas 77002 (Ad

Table 1: Newly Registered Securities

Calculation of Filing Fee Tables S-8 Chord Energy Corp Table 1: Newly Registered Securities Security Type Security Class Title Fee Calculation Rule Amount Registered Proposed Maximum Offering Price Per Unit Maximum Aggregate Offering Price Fee Rate Amount of Registration Fee 1 Equity Common Stock, $0.

FIRST AMENDMENT TO THE OASIS PETROLEUM INC. 2020 LONG TERM INCENTIVE PLAN

FIRST AMENDMENT TO THE OASIS PETROLEUM INC. 2020 LONG TERM INCENTIVE PLAN This First Amendment to the Oasis Petroleum Inc. 2020 Long Term Incentive Plan (as amended from time to time, the “LTIP”), is made effective as of August 16, 2024 (the “Amendment Effective Date”) and adopted by Chord Energy Corporation, a Delaware corporation formerly named Oasis Petroleum Inc. (the “Company”). Capitalized t

As filed with the Securities and Exchange Commission on September 13, 2024

As filed with the Securities and Exchange Commission on September 13, 2024 Registration No.

THIRD SUPPLEMENTAL INDENTURE

THIRD SUPPLEMENTAL INDENTURE THIRD SUPPLEMENTAL INDENTURE (this “Supplemental Indenture”), dated as of June 28, 2024, among Enerplus Corporation, an Alberta corporation (“Enerplus”), Spark Acquisition ULC, an Alberta unlimited liability company (“Spark Acquisition”), Enerplus Energy Ltd.

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended June 30, 2024 or ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission file number: 1-34776 Chord

UNAUDITED PRO FORMA CONDENSED COMBINED FINANCIAL STATEMENTS

Exhibit 99.1 UNAUDITED PRO FORMA CONDENSED COMBINED FINANCIAL STATEMENTS On May 31, 2024, Chord Energy Corporation (“Chord” or the “Company”) completed the arrangement contemplated by the Arrangement Agreement, dated as of February 21, 2024 (the “Arrangement Agreement”), by and among Chord, Enerplus Corporation (“Enerplus”) and Spark Acquisition ULC, a wholly-owned subsidiary of Chord (such transa

Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K/A (Amendment No. 1) CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): May 31, 2024 CHORD ENERGY CORPORATION (Exact name of registrant as specified in its charter) Delaware 001-34776 80-0554627 (State or other jurisdiction of incorpor

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): August 07, 2024 CHORD ENERGY CORPORATION (Exact name of registrant as specified in its charter) Delaware 001-34776 80-0554627 (State or other jurisdiction of incorporation or organiza

Chord Energy Reports Second Quarter 2024 Financial and Operating Results, Declares Base and Variable Dividends and Issues an Updated Outlook

Exhibit 99.1 Chord Energy Reports Second Quarter 2024 Financial and Operating Results, Declares Base and Variable Dividends and Issues an Updated Outlook Houston, Texas — August 7, 2024 — Chord Energy Corporation (NASDAQ: CHRD) (“Chord”, “Chord Energy” or the “Company”) today reported financial and operating results for the second quarter 2024. The results for the three and six months ended June 3

Certificate of Amendment to the Amended and Restated Certificate of Incorporation of Chord Energy Corporation.

EX-3.1 Exhibit 3.1 CERTIFICATE OF SECOND AMENDMENT TO AMENDED AND RESTATED CERTIFICATE OF INCORPORATION OF CHORD ENERGY CORPORATION MAY 31, 2024 Chord Energy Corporation, a Delaware corporation (the “Corporation”), does hereby certify that: FIRST: The name of the Corporation is Chord Energy Corporation. The Certificate of Incorporation of the Corporation was originally filed on February 25, 2010 a

Important Disclosures Forward-Looking and Cautionary Statements Certain statements in this presentation concerning the business combination transaction (the “Arrangement”) between Chord Energy Corporation (“Chord”) and Enerplus Corporation (“Enerplus

EX-99.2 Exhibit 99.2 May 31, 2024 Positive Rate of Change Continues Important Disclosures Forward-Looking and Cautionary Statements Certain statements in this presentation concerning the business combination transaction (the “Arrangement”) between Chord Energy Corporation (“Chord”) and Enerplus Corporation (“Enerplus”), including any statements regarding the results, effects, benefits and synergie

Fifth Amendment to the Amended and Restated Credit Agreement, dated as of May 31, 2024, by and among Chord Energy Corporation, Oasis Petroleum North America LLC, Wells Fargo Bank, N.A., and the other parties party thereto.

EX-10.1 Exhibit 10.1 Execution Version FIFTH AMENDMENT TO AMENDED AND RESTATED CREDIT AGREEMENT DATED AS OF MAY 31, 2024 AMONG CHORD ENERGY CORPORATION, AS PARENT, OASIS PETROLEUM NORTH AMERICA LLC, AS BORROWER, THE OTHER CREDIT PARTIES PARTY HERETO, WELLS FARGO BANK, NATIONAL ASSOCIATION, AS ADMINISTRATIVE AGENT, ISSUING BANK AND SWINGLINE LENDER AND THE LENDERS PARTY HERETO FIFTH AMENDMENT TO AM

Chord Energy and Enerplus Complete Combination, Creating Premier Williston-Focused E&P Company

EX-99.1 Exhibit 99.1 Chord Energy and Enerplus Complete Combination, Creating Premier Williston-Focused E&P Company Houston, Texas — May 31, 2024 — Chord Energy Corporation (NASDAQ: CHRD) (“Chord”, “Chord Energy” or the “Company”) and Enerplus Corporation (TSX: ERF) (NYSE: ERF) (“Enerplus”) announced today the completion of their previously announced business combination (the “Arrangement”). The A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): May 31, 2024 CHORD ENERGY CORPORA

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): May 31, 2024 CHORD ENERGY CORPORATION (Exact name of registrant as specified in its charter) Delaware 001-34776 80-0554627 (State or other jurisdiction of incorporation) (Commission F

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): May 14, 2024 CHORD ENERGY CORPORA

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): May 14, 2024 CHORD ENERGY CORPORATION (Exact name of registrant as specified in its charter) Delaware 001-34776 80-0554627 (State or other jurisdiction of incorporation or organizatio

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended March 31, 2024 or ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission file number: 1-34776 Chor

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A PROXY STATEMENT PURSUANT TO SECTION 14(a) OF THE SECURITIES EXCHANGE ACT OF 1934 (AMENDMENT NO. )

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A PROXY STATEMENT PURSUANT TO SECTION 14(a) OF THE SECURITIES EXCHANGE ACT OF 1934 (AMENDMENT NO. ) Filed by the Registrant ☑ Filed by a Party other than the Registrant ☐ Check the appropriate box: ☐ Preliminary Proxy Statement ☐ Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) ☐ Defin

Chord Energy Reports First Quarter 2024 Financial and Operating Results, Declares Base and Variable Dividends, Issues Second Quarter Outlook and Provides Update on Pending Combination with Enerplus

Exhibit 99.1 Chord Energy Reports First Quarter 2024 Financial and Operating Results, Declares Base and Variable Dividends, Issues Second Quarter Outlook and Provides Update on Pending Combination with Enerplus Houston, Texas — May 7, 2024 — Chord Energy Corporation (NASDAQ: CHRD) (“Chord”, “Chord Energy” or the “Company”) today reported financial and operating results for the first quarter 2024.

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): May 07, 2024 CHORD ENERGY CORPORA

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): May 07, 2024 CHORD ENERGY CORPORATION (Exact name of registrant as specified in its charter) Delaware 001-34776 80-0554627 (State or other jurisdiction of incorporation or organizatio

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): May 1, 2024 CHORD ENERGY CORPORAT

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): May 1, 2024 CHORD ENERGY CORPORATION (Exact name of registrant as specified in its charter) Delaware 001-34776 80-0554627 (State or other jurisdiction of incorporation or organization

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 Filed by the Registrant ☒ Filed by a Party other than the Registrant ☐ Check the appropriate box: ☐ Preliminary Proxy Statement ☐ Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) ☒ Defi

Financial Statements and Exhibits, Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): April 8, 2024 CHORD ENERGY CORPORATION (Exact name of registrant as specified in its charter) Delaware 001-34776 80-0554627 (State or other jurisdiction of incorporation or organizati

Chord Energy and Enerplus Announce Expiration of Hart-Scott-Rodino Act Waiting Period and Provide Transaction Update

Chord Energy and Enerplus Announce Expiration of Hart-Scott-Rodino Act Waiting Period and Provide Transaction Update HOUSTON, TX and CALGARY, AB, April 8, 2024 – Chord Energy Corporation (NASDAQ: CHRD) (“Chord” or “Chord Energy”) and Enerplus Corporation (TSX: ERF) (NYSE: ERF) (“Enerplus”) announced that the waiting period under the Hart-Scott-Rodino Antitrust Improvements Act of 1976, as amended (the “HSR Act”), in connection with the pending combination between Chord and Enerplus, expired on April 5, 2024.

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): April 8, 2024 CHORD ENERGY CORPOR

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): April 8, 2024 CHORD ENERGY CORPORATION (Exact name of registrant as specified in its charter) Delaware 001-34776 80-0554627 (State or other jurisdiction of incorporation or organizati

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 Filed by the Registrant ☒ Filed by a Party other than the Registrant ☐ Check the appropriate box: ☒ Preliminary Proxy Statement ☐ Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) ☐ Defi

CALCULATION OF FILING FEE TABLES Schedule 14A (Form Type) CHORD ENERGY CORPORATION (Exact Name of Registrant as Specified in its Charter) Table 1 – Transaction Valuation  Proposed Maximum Aggregate  Value of Transaction  Fee  Rate  Amount of  Filing

Exhibit 107 CALCULATION OF FILING FEE TABLES Schedule 14A (Form Type) CHORD ENERGY CORPORATION (Exact Name of Registrant as Specified in its Charter) Table 1 – Transaction Valuation  Proposed Maximum Aggregate  Value of Transaction  Fee  Rate  Amount of  Filing Fee Fees to Be Paid $3,839,825,270.

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A PROXY STATEMENT PURSUANT TO SECTION 14(a) OF THE SECURITIES EXCHANGE ACT OF 1934 (AMENDMENT NO. )

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A PROXY STATEMENT PURSUANT TO SECTION 14(a) OF THE SECURITIES EXCHANGE ACT OF 1934 (AMENDMENT NO. ) Filed by the Registrant þ Filed by a Party other than the Registrant ¨ Check the appropriate box: ¨ Preliminary Proxy Statement ¨ Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) ¨ Defin

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. )

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. ) ☑ Filed by the Registrant ☐ Filed by a party other than the Registrant CHECK THE APPROPRIATE BOX: ☐ Preliminary Proxy Statement ☐ Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) ☑ Defin

Regulation FD Disclosure, Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): March 4, 2024 CHORD ENERGY CORPORATION (Exact name of registrant as specified in its charter) Delaware 001-34776 80-0554627 (State or other jurisdiction of incorporation or organizati

Chord Energy Announces Updates to Executive Leadership Team

Exhibit 99.1 Chord Energy Announces Updates to Executive Leadership Team Houston, Texas — March 6, 2024 — Chord Energy Corp. (Nasdaq: CHRD) (“Chord,” "Chord Energy" or the “Company”) announced today that Michael Lou will serve as Executive Vice President, Chief Strategy Officer and Chief Commercial Officer and Shannon Kinney will serve as Executive Vice President, Chief Administrative Officer, and

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K _______________________________________ ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 20

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2023 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Commission file number: 001-34776 Chord Energy Corporation (Exact name of r

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): February 21, 2024 CHORD ENERGY CO

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): February 21, 2024 CHORD ENERGY CORPORATION (Exact name of registrant as specified in its charter) Delaware 001-34776 80-0554627 (State or other jurisdiction of incorporation) (Commiss

Entry into a Material Definitive Agreement

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): February 21, 2024 CHORD ENERGY CORPORATION (Exact name of registrant as specified in its charter) Delaware 001-34776 80-0554627 (State or other jurisdiction of incorporation) (Commiss

FORM OF NOTICE OF GRANT OF PERFORMANCE SHARE UNITS (ABSOLUTE TSR) Pursuant to the terms and conditions of the Oasis Petroleum Inc. 2020 Long Term Incentive Plan (the “Plan”), and the associated Performance Share Unit Agreement (the “Agreement”), you

FORM OF NOTICE OF GRANT OF PERFORMANCE SHARE UNITS (ABSOLUTE TSR) Pursuant to the terms and conditions of the Oasis Petroleum Inc.

Letter Agreement, dated as of February 21, 2024, between Chord Energy Corporation and Ian C. Dundas.

Exhibit 10.1 February 21, 2024 Ian C. Dundas c/o Enerplus Corporation Suite 3000, 333 – 7th Avenue SW Calgary, Alberta T2P 2Z1 Re: Transition Dear Ian: As you are aware, Chord Energy Corporation, a Delaware corporation (the “Company”), is entering into that certain Arrangement Agreement (as it may be amended, the “Arrangement Agreement”), dated as of the date hereof, by and among the Company, Spar

FORM OF NOTICE OF GRANT OF PERFORMANCE SHARE UNITS (RELATIVE TSR) Pursuant to the terms and conditions of the Oasis Petroleum Inc. 2020 Long Term Incentive Plan (the “Plan”), and the associated Performance Share Unit Agreement (the “Agreement”), you

FORM OF NOTICE OF GRANT OF PERFORMANCE SHARE UNITS (RELATIVE TSR) Pursuant to the terms and conditions of the Oasis Petroleum Inc.

Arrangement Agreement, dated as of February 21, 2024 by and among Chord Energy Corporation, Spark Acquisition ULC and Enerplus Corporation.

Exhibit 2.1 Execution Version ARRANGEMENT AGREEMENT among CHORD ENERGY CORPORATION, SPARK ACQUISITION ULC and ENERPLUS CORPORATION dated as of FEBRUARY 21, 2024 TABLE OF CONTENTS Page Article 1 THE ARRANGEMENT 11 Section 1.1 Arrangement 11 Section 1.2 Treatment of Company Awards 11 Section 1.3 Company Implementation Steps 15 Section 1.4 Parent Implementation Steps 19 Section 1.5 Certain Adjustment

February 6, 2024

February 6, 2024 Mr. Harrison Godwin Chord Energy Corporation 1001 Fannin Street, Suite 1500 Houston, Texas 77002 Dear Mr. Godwin: In accordance with your request, we have estimated the proved reserves and future revenue, as of December 31, 2023, to the Chord Energy Corporation (Chord) interest in certain oil and gas properties located in the United States. We completed our evaluation on or about

December 22, 2023

December 22, 2023 By Hand Delivery or Electronic Mail Dear Mr. Charles J. Rimer: Reference is made to that certain Executive Employment and Severance Agreement between Whiting Holdings LLC (the “Company”) and you, as amended from time to time (the “Agreement”). As described in the Second Addendum to the Agreement, the Company and you may mutually agree to extend your employment to a date that is l

Chord Energy Corporation Clawback Policy (this “Policy”)

Chord Energy Corporation Clawback Policy (this “Policy”) Adopted by the Board of Directors (the “Board”) of Chord Energy Corporation (the “Company”) on October 25, 2023.

Exhibit 10.25 CHORD ENERGY CORPORATION EXECUTIVE SEVERANCE PLAN This Executive Severance Plan (this “Plan”), as adopted by the Board of Directors (the “Board”) of Chord Energy Corporation, is effective as of February 20, 2024 (the “Effective Date”).

Exhibit 10.25 CHORD ENERGY CORPORATION EXECUTIVE SEVERANCE PLAN This Executive Severance Plan (this “Plan”), as adopted by the Board of Directors (the “Board”) of Chord Energy Corporation, is effective as of February 20, 2024 (the “Effective Date”). SECTION 1 DEFINITIONS Certain terms used herein have the definitions given to them in the first place in which they are used. As used herein, the foll

List of Subsidiaries of Chord Energy Corporation

Exhibit 21.1 List of Subsidiaries of Chord Energy Corporation Name of Subsidiary Jurisdiction of Incorporation or Organization Chord Energy LLC Delaware Oasis Petroleum North America LLC Delaware Oasis Petroleum Permian LLC Delaware Oasis Petroleum Marketing LLC Delaware Oasis Well Services LLC Delaware OMS Holdings LLC Delaware Oasis Investment Holdings LLC Delaware Oasis SASR Holdings LLC Delawa

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A PROXY STATEMENT PURSUANT TO SECTION 14(a) OF THE SECURITIES EXCHANGE ACT OF 1934 (AMENDMENT NO. )

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A PROXY STATEMENT PURSUANT TO SECTION 14(a) OF THE SECURITIES EXCHANGE ACT OF 1934 (AMENDMENT NO. ) Filed by the Registrant ☒ Filed by a Party other than the Registrant ☐ Check the appropriate box: ☐ Preliminary Proxy Statement ☐ Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) ☐ Defin

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A PROXY STATEMENT PURSUANT TO SECTION 14(a) OF THE SECURITIES EXCHANGE ACT OF 1934 (AMENDMENT NO. )

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A PROXY STATEMENT PURSUANT TO SECTION 14(a) OF THE SECURITIES EXCHANGE ACT OF 1934 (AMENDMENT NO. ) Filed by the Registrant ☒ Filed by a Party other than the Registrant ☐ Check the appropriate box: ☐ Preliminary Proxy Statement ☐ Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) ☐ Defin

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A PROXY STATEMENT PURSUANT TO SECTION 14(a) OF THE SECURITIES EXCHANGE ACT OF 1934 (AMENDMENT NO. )

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A PROXY STATEMENT PURSUANT TO SECTION 14(a) OF THE SECURITIES EXCHANGE ACT OF 1934 (AMENDMENT NO. ) Filed by the Registrant ☑ Filed by a Party other than the Registrant ☐ Check the appropriate box: ☐ Preliminary Proxy Statement ☐ Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) ☐ Defin

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A PROXY STATEMENT PURSUANT TO SECTION 14(a) OF THE SECURITIES EXCHANGE ACT OF 1934 (AMENDMENT NO. )

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A PROXY STATEMENT PURSUANT TO SECTION 14(a) OF THE SECURITIES EXCHANGE ACT OF 1934 (AMENDMENT NO. ) Filed by the Registrant ☒ Filed by a Party other than the Registrant ☐ Check the appropriate box: ☐ Preliminary Proxy Statement ☐ Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) ☐ Defin

Chord Energy and Enerplus to Combine in $11 Billion Transaction Creating Premier Williston-Focused E&P Company with Top-Tier Shareholder Returns Enhanced Operating Scale to Drive Returns and Free Cash Flow; Combined Acreage Position Totaling 1.3 Mill

Exhibit 99.1 Chord Energy and Enerplus to Combine in $11 Billion Transaction Creating Premier Williston-Focused E&P Company with Top-Tier Shareholder Returns Enhanced Operating Scale to Drive Returns and Free Cash Flow; Combined Acreage Position Totaling 1.3 Million Net Acres and Combined 4Q23 Production of 287,000 Boepd Combined Company has Approximately 10 years of Low-Breakeven Inventory with S

Chord Energy Reports Fourth Quarter and Full-Year 2023 Financial and Operating Results, Declares Base and Variable Dividends and Issues 2024 Outlook

Exhibit 99.1 Chord Energy Reports Fourth Quarter and Full-Year 2023 Financial and Operating Results, Declares Base and Variable Dividends and Issues 2024 Outlook Houston, Texas — February 21, 2024 — Chord Energy Corporation (NASDAQ: CHRD) (“Chord”, “Chord Energy” or the “Company”) today reported financial and operating results for the fourth quarter and full-year 2023 and announced its 2024 outloo

Current Report

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): February 21, 2024 CHORD ENERGY CORPORATION (Exact name of registrant as specified in its charter) Delaware 001-34776 80-0554627 (State or other jurisdiction of incorporation) (Commiss

Important Disclosures No Offer or Solicitation Communications in this document do not constitute an offer to sell or the solicitation of an offer to subscribe for or buy any securities or a solicitation of any vote or approval with respect to the pro

Exhibit 99.2 February 21, 2024 Strategic Combination with Enerplus 1 Important Disclosures No Offer or Solicitation Communications in this document do not constitute an offer to sell or the solicitation of an offer to subscribe for or buy any securities or a solicitation of any vote or approval with respect to the proposed transaction or otherwise, nor shall there be any sale, issuance or transfer

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): February 21, 2024 CHORD ENERGY CO

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): February 21, 2024 CHORD ENERGY CORPORATION (Exact name of registrant as specified in its charter) Delaware 001-34776 80-0554627 (State or other jurisdiction of incorporation) (Commiss

Current Report

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): February 21, 2024 CHORD ENERGY CORPORATION (Exact name of registrant as specified in its charter) Delaware 001-34776 80-0554627 (State or other jurisdiction of incorporation) (Commiss

OAS / Oasis Petroleum Inc. - New / VANGUARD GROUP INC - SCHEDULE 13G/A Passive Investment

SC 13G/A 1 tv0599-chordenergycorp.htm SCHEDULE 13G/A SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Schedule 13G Under the Securities Exchange Act of 1934 (Amendment No.: 3)* Name of issuer: Chord Energy Corp Title of Class of Securities: Common Stock CUSIP Number: 674215207 Date of Event Which Requires Filing of this Statement: December 29, 2023 Check the appropriate box to designate t

OAS / Oasis Petroleum Inc. - New / FMR LLC Passive Investment

SC 13G/A 1 filing.txt SCHEDULE 13G Amendment No.2 CHORD ENERGY CORP COMMON STOCK Cusip #674215207 Check the appropriate box to designate the rule pursuant to which this Schedule is filed: [x] Rule 13d-1(b) [ ] Rule 13d-1(c) [ ] Rule 13d-1(d) Cusip #674215207 Item 1: Reporting Person - FMR LLC Item 2: (a) [ ] (b) [ ] Item 4: Delaware Item 5: 3,643,318 Item 6: 0 Item 7: 3,646,278 Item 8: 0 Item 9: 3

OAS / Oasis Petroleum Inc. - New / WELLINGTON MANAGEMENT GROUP LLP - SEC SCHEDULE 13G Passive Investment

SC 13G/A 1 SEC13GFiling.htm SEC SCHEDULE 13G UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 1 )* Chord Energy Corp (Name of Issuer) Common Stock (Title of Class of Securities) 674215207 (CUSIP Number) December 29, 2023 (Date of Event Which Requires Filing of this Statement) Check the appropriate box to d

OAS / Oasis Petroleum Inc. - New / BlackRock Inc. Passive Investment

SC 13G/A 1 us6742152076012324.txt us6742152076012324.txt SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No: 3) Chord Energy Corp - (Name of Issuer) Common Stock - (Title of Class of Securities) 674215207 - (CUSIP Number) December 31, 2023 - (Date of Event Which Requires Filing of this Statement) Check the appropriate box

Regulation FD Disclosure, Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): December 22, 2023 CHORD ENERGY CORPORATION (Exact name of registrant as specified in its charter) Delaware 001-34776 80-0554627 (State or other jurisdiction of incorporation or organi

Chord Energy Appoints Susan Cunningham Chair of the Board of Directors and Announces Darrin Henke as New Chief Operating Officer Cunningham to Succeed Lynn A. Peterson, Who Will Retire from the Board at Year-End, Reducing Board Size to Nine Members H

Chord Energy Appoints Susan Cunningham Chair of the Board of Directors and Announces Darrin Henke as New Chief Operating Officer Cunningham to Succeed Lynn A.

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): November 01, 2023 CHORD ENERGY CORPORATION (Exact name of registrant as specified in its charter) Delaware 001-34776 80-0554627 (State or other jurisdiction of incorporation or organi

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended September 30, 2023 or ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission file number: 1-34776

LEGAL_US_W # 117907087.6 Execution Version FOURTH AMENDMENT TO AMENDED AND RESTATED CREDIT AGREEMENT DATED AS OF OCTOBER 31, 2023 AMONG CHORD ENERGY CORPORATION, AS PARENT, OASIS PETROLEUM NORTH AMERICA LLC, AS BORROWER, THE OTHER CREDIT PARTIES PART

LEGALUSW # 117907087.6 Execution Version FOURTH AMENDMENT TO AMENDED AND RESTATED CREDIT AGREEMENT DATED AS OF OCTOBER 31, 2023 AMONG CHORD ENERGY CORPORATION, AS PARENT, OASIS PETROLEUM NORTH AMERICA LLC, AS BORROWER, THE OTHER CREDIT PARTIES PARTY HERETO, WELLS FARGO BANK, NATIONAL ASSOCIATION, AS ADMINISTRATIVE AGENT, ISSUING BANK AND SWINGLINE LENDER AND THE LENDERS PARTY HERETO LEGALUSW # 117

Chord Energy Reports Strong Third Quarter 2023 Financial and Operating Results and Increases Share Repurchase Authorization to $750MM

Exhibit 99.1 Chord Energy Reports Strong Third Quarter 2023 Financial and Operating Results and Increases Share Repurchase Authorization to $750MM Houston, Texas — November 1, 2023 — Chord Energy Corporation (NASDAQ: CHRD) (“Chord”, “Chord Energy” or the “Company”) today reported third quarter 2023 financial and operating results and announced an increase to its share repurchase authorization. Ope

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended June 30, 2023 or ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission file number: 1-34776 Chord

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): August 02, 2023 CHORD ENERGY CORPORATION (Exact name of registrant as specified in its charter) Delaware 001-34776 80-0554627 (State or other jurisdiction of incorporation or organiza

Chord Energy Corporation Reports Financial and Operating Results for Second Quarter 2023, Declares Base and Variable Dividends and Issues Updated Outlook

Exhibit 99.1 Chord Energy Corporation Reports Financial and Operating Results for Second Quarter 2023, Declares Base and Variable Dividends and Issues Updated Outlook Houston, Texas — August 2, 2023 — Chord Energy Corporation (NASDAQ: CHRD) (“Chord”, “Chord Energy” or the “Company”) today reported second quarter 2023 financial and operating results. On July 1, 2022, the Company completed the merge

144

144 0001394633 XXXXXXXX LIVE 0001486159 CHORD ENERGY CORPORATION NEW 001-34776 1001 FANNIN STREET, SUITE 1500 HOUSTON TX 77002 281-404-9500 LYNN A.

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): May 26, 2023 CHORD ENERGY CORPORA

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): May 26, 2023 CHORD ENERGY CORPORATION (Exact name of registrant as specified in its charter) Delaware 001-34776 80-0554627 (State or other jurisdiction of incorporation or organizatio

Chord Energy Announces Strategic Acquisition of Williston Basin Assets

Exhibit 99.1 Chord Energy Announces Strategic Acquisition of Williston Basin Assets Houston, Texas — May 22, 2023 — Chord Energy Corporation (NASDAQ: CHRD) (“Chord”, “Chord Energy” or the “Company”) today announced that a wholly owned subsidiary of Chord has entered into a definitive agreement to acquire assets in the Williston Basin from XTO Energy Inc. and affiliates (collectively, “XTO”), subsi

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): May 22, 2023 CHORD ENERGY CORPORA

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): May 22, 2023 CHORD ENERGY CORPORATION (Exact name of registrant as specified in its charter) Delaware 001-34776 80-0554627 (State or other jurisdiction of incorporation or organizatio

Form T-1 Statement of Eligibility and Qualification under the Trust Indenture Act of 1939.

EX-25.1 Exhibit 25.1 SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM T-1 STATEMENT OF ELIGIBILITY UNDER THE TRUST INDENTURE ACT OF 1939 OF A CORPORATION DESIGNATED TO ACT AS TRUSTEE ☒ CHECK IF AN APPLICATION TO DETERMINE ELIGIBILITY OF A TRUSTEE PURSUANT TO SECTION 305(b) (2) REGIONS BANK (Exact name of trustee as specified in its charter) Alabama 63-0371391 (Jurisdiction of incorpo

As filed with the Securities and Exchange Commission on May 8, 2023

S-3ASR Table of Contents As filed with the Securities and Exchange Commission on May 8, 2023 Registration No.

Filing Fee Table

EX-FILING FEES 12 d365468dexfilingfees.htm EX-FILING FEES Exhibit 107 Calculation of Filing Fee Tables Form S-3ASR (Form Type) Chord Energy Corporation (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered and Carry Forward Securities Security Type Security Class Title Fee Calculation or Carry Forward Rule Amount Registered Proposed Maximum Offering Price Per Unit Maximu

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K/A (Amendment No. 1) CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): June 30, 2022

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K/A (Amendment No. 1) CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): June 30, 2022 CHORD ENERGY CORPORATION (Exact name of registrant as specified in its charter) Delaware 001-34776 80-0554627 (State or other jurisdiction of incorpo

UNAUDITED PRO FORMA CONDENSED CONSOLIDATED COMBINED STATEMENT OF OPERATIONS

EX-99.2 Exhibit 99.2 UNAUDITED PRO FORMA CONDENSED CONSOLIDATED COMBINED STATEMENT OF OPERATIONS The following unaudited pro forma condensed consolidated combined statement of operations and accompanying notes reflect the pro forma effects of the following transactions. 1. On July 1, 2022, Oasis Petroleum Inc. (“Oasis”) completed the transactions contemplated by the Agreement and Plan of Merger, d

WHITING PETROLEUM CORPORATION FINANCIAL STATEMENTS AS OF JUNE 30, 2022 AND DECEMBER 31, 2021 AND FOR THE THREE AND SIX MONTHS ENDED JUNE 30, 2022 AND 2021

EX-99.1 Exhibit 99.1 WHITING PETROLEUM CORPORATION FINANCIAL STATEMENTS AS OF JUNE 30, 2022 AND DECEMBER 31, 2021 AND FOR THE THREE AND SIX MONTHS ENDED JUNE 30, 2022 AND 2021 TABLE OF CONTENTS Glossary of Certain Definitions 1 Condensed Consolidated Financial Statements (Unaudited) 4 Condensed Consolidated Balance Sheets 4 Condensed Consolidated Statements of Operations 5 Condensed Consolidated S

Form of Senior Indenture.

EX-4.4 Exhibit 4.4 CHORD ENERGY CORPORATION, AS ISSUER AND ANY SUBSIDIARY GUARANTORS PARTY HERETO AND [], AS TRUSTEE SENIOR INDENTURE DATED AS OF , 20 TABLE OF CONTENTS Page ARTICLE ONE DEFINITIONS AND OTHER PROVISIONS OF GENERAL APPLICATION SECTION 1.01 Definitions 4 SECTION 1.02 Compliance Certificates and Opinions 10 SECTION 1.03 Form of Documents Delivered to Trustee 11 SECTION 1.04 Acts of Ho

Form of Subordinated Indenture.

EX-4.5 Exhibit 4.5 CHORD ENERGY CORPORATION, AS ISSUER AND ANY SUBSIDIARY GUARANTORS PARTY HERETO AND [], AS TRUSTEE SUBORDINATED INDENTURE DATED AS OF , 20 TABLE OF CONTENTS ARTICLE ONE DEFINITIONS AND OTHER PROVISIONS OF GENERAL APPLICATION Section 101. Definitions 1 Section 102. Compliance Certificates and Opinions 6 Section 103. Form of Documents Delivered to Trustee 6 Section 104. Acts of Hol

Form 10-Q

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended March 31, 2023 or ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission file number: 1-34776 Chor

Conformed version of Amended and Restated Certificate of Incorporation of Chord Energy Corporation, as amended by amendment filed on July 1, 2022 (incorporated by reference to Exhibit 3.1(a) to the Company’s Quarterly Report on Form 10-Q for the quarter ended March 31, 2023 filed with the SEC on May 4, 2023).

EXHIBIT 3.1 Explanatory Note: This exhibit is being filed pursuant to Item 601(b)(3)(i) of Regulation S-K which requires a conformed version of our charter reflecting all amendments in one document. Therefore, the document below reflects the Amended and Restated Certificate of Incorporation of Oasis Petroleum Inc. as filed with the Delaware Secretary of State on November 19, 2020 revised for amend

Third Amendment To Amended and Restated Credit Agreement Dated as of May 2, 2023 Among Chord Energy Corporation, as Parent, Oasis Petroleum North America LLC, As Borrower, the other Credit Parties party hereto, Wells Fargo Bank, National Association,

Execution Version Third Amendment To Amended and Restated Credit Agreement Dated as of May 2, 2023 Among Chord Energy Corporation, as Parent, Oasis Petroleum North America LLC, As Borrower, the other Credit Parties party hereto, Wells Fargo Bank, National Association, as Administrative Agent, Issuing Bank and Swingline Lender and The Lenders Party Hereto THIRD AMENDMENT TO AMENDED AND RESTATED CRE

Description of the Registrant’s Securities Registered Pursuant to Section 12 of the Exchange Act of 1934 (incorporated by reference to Exhibit 4.1(a) to the Company’s Quarterly Report on Form 10-Q for the quarter ended March 31, 2023 filed with the SEC on May 4, 2023).

Exhibit 4.1 DESCRIPTION OF THE REGISTRANT’S SECURITIES REGISTERED PURSUANT TO SECTION 12 OF THE SECURITIES EXCHANGE ACT OF 1934 As of April 27, 2023, Chord Energy Corporation has one class of securities registered under Section 12 of the Securities Exchange Act of 1934, as amended (the “Exchange Act”): our common stock. For purposes of this description, references to “the Company,” “we,” “our” and

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): May 03, 2023 CHORD ENERGY CORPORA

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): May 03, 2023 CHORD ENERGY CORPORATION (Exact name of registrant as specified in its charter) Delaware 001-34776 80-0554627 (State or other jurisdiction of incorporation or organizatio

Chord Energy Corporation Reports Financial and Operating Results for First Quarter 2023, Declares Base and Variable Dividends and Issues Second Quarter Outlook

Exhibit 99.1 Chord Energy Corporation Reports Financial and Operating Results for First Quarter 2023, Declares Base and Variable Dividends and Issues Second Quarter Outlook Houston, Texas — May 3, 2023 — Chord Energy Corporation (NASDAQ: CHRD) (“Chord”, “Chord Energy” or the “Company”) today reported first quarter 2023 financial and operating results. On July 1, 2022, the Company completed the mer

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): April 26, 2023 CHORD ENERGY CORPO

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): April 26, 2023 CHORD ENERGY CORPORATION (Exact name of registrant as specified in its charter) Delaware 001-34776 80-0554627 (State or other jurisdiction of incorporation or organizat

OAS / Oasis Petroleum Inc. - New / VANGUARD GROUP INC - SCHEDULE 13G/A Passive Investment

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Schedule 13G Under the Securities Exchange Act of 1934 (Amendment No.: 2)* Name of issuer: Chord Energy Corp. Title of Class of Securities: Common Stock CUSIP Number: 674215207 Date of Event Which Requires Filing of this Statement: March 31, 2023 Check the appropriate box to designate the rule pursuant to which this Schedule is filed: ☒ Rul

OAS / Oasis Petroleum Inc. - New / BlackRock Inc. Passive Investment

us6742152076040523.txt SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No: 2) Chord Energy Corp - (Name of Issuer) Common Stock - (Title of Class of Securities) 674215207 - (CUSIP Number) March 31, 2023 - (Date of Event Which Requires Filing of this Statement) Check the appropriate box to designate the rule pursuant to whi

Definitive Proxy Statement

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A PROXY STATEMENT PURSUANT TO SECTION 14(A) OF THE SECURITIES EXCHANGE ACT OF 1934 (AMENDMENT NO. ) Filed by the Registrant Filed by a Party other than the Registrant Check the appropriate box: Preliminary Proxy Statement Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) Definitive Prox

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A PROXY STATEMENT PURSUANT TO SECTION 14(a) OF THE SECURITIES EXCHANGE ACT OF 1934 (AMENDMENT NO. )

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A PROXY STATEMENT PURSUANT TO SECTION 14(a) OF THE SECURITIES EXCHANGE ACT OF 1934 (AMENDMENT NO. ) Filed by the Registrant þ Filed by a Party other than the Registrant ¨ Check the appropriate box: ¨ Preliminary Proxy Statement ¨ Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) ¨ Defin

SECOND ADDENDUM TO EXECUTIVE EMPLOYMENT AND SEVERANCE AGREEMENT This Second Addendum to Executive Employment and Severance Agreement (this “Second Addendum”) is entered into by and between Whiting Holdings LLC, a Delaware limited liability company (t

chrd-12312022xex1040seco SECOND ADDENDUM TO EXECUTIVE EMPLOYMENT AND SEVERANCE AGREEMENT This Second Addendum to Executive Employment and Severance Agreement (this “Second Addendum”) is entered into by and between Whiting Holdings LLC, a Delaware limited liability company (the “Company”), and Charles J.

February 2, 2023

February 2, 2023 Mr. Harrison Godwin Chord Energy Corporation 1001 Fannin Street, Suite 1500 Houston, Texas 77002 Dear Mr. Godwin: In accordance with your request, we have estimated the proved reserves and future revenue, as of December 31, 2022, to the Chord Energy Corporation (Chord) interest in certain oil and gas properties located in the United States. We completed our evaluation on or about

Fourth Amended and Restated Bylaws of Chord Energy Corporation (incorporated by reference to Exhibit 3.5(a) to the Company’s Annual Report on Form 10-K for the year ended December 31, 2022 filed with the SEC on February 28, 2023).

FOURTH AMENDED AND RESTATED BYLAWS OF CHORD ENERGY CORPORATION Incorporated under the Laws of the State of Delaware (Amended and Restated February 24, 2023) ARTICLE I DEFINITIONS As used in these Bylaws, unless the context otherwise requires, the term: SECTION 1.

CHORD ENERGY CORPORATION RESTRICTED STOCK UNIT AWARD AGREEMENT (Non-Employee Director Form)

CHORD ENERGY CORPORATION RESTRICTED STOCK UNIT AWARD AGREEMENT (Non-Employee Director Form) THIS RESTRICTED STOCK UNIT AWARD AGREEMENT (this “Agreement”) is made effective as of [] (the “Grant Date”), so long as the non-employee director of the Company whose signature is set forth on the signature page hereof (the “Participant”) is still serving as a non-employee director of the Company on such date, by and between Chord Energy Corporation, a Delaware corporation with its principal offices at Houston, Texas (the “Company”), and the Participant.

OASIS PETROLEUM INC. 2021 EXECUTIVE CHANGE IN CONTROL AND SEVERANCE BENEFIT PLAN 1. Purpose and Effective Date. Oasis Petroleum Inc. (the "Company") has adopted this Executive Change in Control and Severance Benefit Plan (this "Plan") to provide for

chrd-12312022xex10422021 OASIS PETROLEUM INC. 2021 EXECUTIVE CHANGE IN CONTROL AND SEVERANCE BENEFIT PLAN 1. Purpose and Effective Date. Oasis Petroleum Inc. (the "Company") has adopted this Executive Change in Control and Severance Benefit Plan (this "Plan") to provide for the payment of severance and/or change in control benefits to Eligible Individuals. This Plan was initially approved by the B

List of Subsidiaries of Chord Energy Corporation

EX-21.1 7 chrd-12312022xex211.htm EX-21.1 Exhibit 21.1 List of Subsidiaries of Chord Energy Corporation Name of Subsidiary Jurisdiction of Incorporation or Organization Chord Energy LLC Delaware Oasis Petroleum North America LLC Delaware Oasis Petroleum Permian LLC Delaware Oasis Petroleum Marketing LLC Delaware Oasis Well Services LLC Delaware OMS Holdings LLC Delaware Oasis Investment Holdings L

Form 10-K

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2022 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Commission file number: 001-34776 Chord Energy Corporation (Exact name of r

CHORD ENERGY CORPORATION RESTRICTED STOCK UNIT AWARD AGREEMENT (Time Vesting Form)

CHORD ENERGY CORPORATION RESTRICTED STOCK UNIT AWARD AGREEMENT (Time Vesting Form) THIS RESTRICTED STOCK UNIT AWARD AGREEMENT (this “Agreement”) is made and entered into, effective as of [] (the “Effective Date”), by and between Chord Energy Corporation, a Delaware corporation with its principal offices in Houston, Texas (the “Company”), and the employee of the Company or one of its affiliates whose signature is set forth on the signature page hereof (the “Participant”).

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): February 22, 2023 CHORD ENERGY CO

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): February 22, 2023 CHORD ENERGY CORPORATION (Exact name of registrant as specified in its charter) Delaware 001-34776 80-0554627 (State or other jurisdiction of incorporation or organi

Chord Energy Corporation Reports Financial and Operating Results for Fourth Quarter and Full-Year 2022, Declares Base and Variable Dividends and Issues 2023 Outlook

Exhibit 99.1 Chord Energy Corporation Reports Financial and Operating Results for Fourth Quarter and Full-Year 2022, Declares Base and Variable Dividends and Issues 2023 Outlook Houston, Texas — February 22, 2023 — Chord Energy Corporation (NASDAQ: CHRD) (“Chord”, “Chord Energy” or the “Company”) today announced financial and operating results for the quarter and year ending December 31, 2022. The

OAS / Oasis Petroleum Inc. / FMR LLC Passive Investment

SC 13G/A 1 filing.txt SCHEDULE 13G Amendment No.1 CHORD ENERGY CORP COMMON STOCK Cusip #674215207 Check the appropriate box to designate the rule pursuant to which this Schedule is filed: [x] Rule 13d-1(b) [ ] Rule 13d-1(c) [ ] Rule 13d-1(d) Cusip #674215207 Item 1: Reporting Person - FMR LLC Item 2: (a) [ ] (b) [ ] Item 4: Delaware Item 5: 3,931,633 Item 6: 0 Item 7: 3,933,367 Item 8: 0 Item 9: 3

OAS / Oasis Petroleum Inc. / VANGUARD GROUP INC - SCHEDULE 13G/A Passive Investment

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Schedule 13G Under the Securities Exchange Act of 1934 (Amendment No.: 1)* Name of issuer: Oasis Petroleum Inc. Title of Class of Securities: Common Stock CUSIP Number: 674215207 Date of Event Which Requires Filing of this Statement: December 30, 2022 Check the appropriate box to designate the rule pursuant to which this Schedule is filed:

OAS / Oasis Petroleum Inc. / WELLINGTON MANAGEMENT GROUP LLP - SEC SCHEDULE 13G Passive Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. )* Chord Energy Corporation (Name of Issuer) Common Stock (Title of Class of Securities) 674215207 (CUSIP Number) December 30, 2022 (Date of Event Which Requires Filing of this Statement) Check the appropriate box to designate the rule pursuant to which this

OAS / Oasis Petroleum Inc. / BlackRock Inc. Passive Investment

SC 13G/A 1 us6742152076020323.txt us6742152076020323.txt SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No: 1) Chord Energy Corp - (Name of Issuer) Common Stock - (Title of Class of Securities) 674215207 - (CUSIP Number) December 31, 2022 - (Date of Event Which Requires Filing of this Statement) Check the appropriate box

SECOND AMENDMENT AMENDED AND RESTATED CREDIT AGREEMENT DATED AS OF OCTOBER 31, 2022 CHORD ENERGY CORPORATION, AS PARENT, OASIS PETROLEUM NORTH AMERICA LLC, AS BORROWER, THE OTHER CREDIT PARTIES PARTY HERETO, WELLS FARGO BANK, NATIONAL ASSOCIATION, AS

Execution Version SECOND AMENDMENT TO AMENDED AND RESTATED CREDIT AGREEMENT DATED AS OF OCTOBER 31, 2022 AMONG CHORD ENERGY CORPORATION, AS PARENT, OASIS PETROLEUM NORTH AMERICA LLC, AS BORROWER, THE OTHER CREDIT PARTIES PARTY HERETO, WELLS FARGO BANK, NATIONAL ASSOCIATION, AS ADMINISTRATIVE AGENT, ISSUING BANK AND SWINGLINE LENDER AND THE LENDERS PARTY HERETO SECOND AMENDMENT TO AMENDED AND RESTA

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ? QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended September 30, 2022 or ? TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission file number: 1-34776

Chord Energy Corporation Reports Third Quarter 2022 Earnings, Declares Base and Variable Dividends, Issues Fourth Quarter Outlook

Exhibit 99.1 Chord Energy Corporation Reports Third Quarter 2022 Earnings, Declares Base and Variable Dividends, Issues Fourth Quarter Outlook Houston, Texas ? November 2, 2022 ? Chord Energy Corporation (NASDAQ: CHRD) (?Chord?, ?Chord Energy? or the ?Company?) today reported financial and operating results for the quarter ending September 30, 2022, declared base and variable dividends and provide

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): November 2, 2022 CHORD ENERGY CORPORATION (Exact name of registrant as specified in its charter) Delaware 001-34776 80-0554627 (State or other jurisdiction of incorporation or organiz

CEQP / Crestwood Equity Partners LP / Oasis Petroleum Inc. - SC 13D/A Activist Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 SCHEDULE 13D Under the Securities Exchange Act of 1934 (Amendment No.

JOINT FILING AGREEMENT

Exhibit F JOINT FILING AGREEMENT In accordance with Rule 13d-1(k)(1) under the Securities Exchange Act of 1934, as amended, the persons named below agree to the joint filing on behalf of each of them of a statement on Schedule 13D (including amendments thereto) with respect to the common units representing limited partner interests of Crestwood Equity Partners LP and further agree that this Joint Filing Agreement be included as an Exhibit to such joint filing.

First Amendment To Amended and Restated Credit Agreement Dated as of August 8, 2022 Among Chord Energy Corporation, as Parent, Oasis Petroleum North America LLC, As Borrower, the other Credit Parties party hereto, Wells Fargo Bank, National Associati

Execution Version First Amendment To Amended and Restated Credit Agreement Dated as of August 8, 2022 Among Chord Energy Corporation, as Parent, Oasis Petroleum North America LLC, As Borrower, the other Credit Parties party hereto, Wells Fargo Bank, National Association, as Administrative Agent, Issuing Bank and Swingline Lender and The Lenders Party Hereto FIRST AMENDMENT TO AMENDED AND RESTATED

Entry into a Material Definitive Agreement, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): August 8, 2022 CHORD ENERGY CORPORATION (Exact name of registrant as specified in its charter) Delaware 001-34776 80-0554627 (State or other jurisdiction of incorporation or organizat

SECOND SUPPLEMENTAL INDENTURE

Execution Version SECOND SUPPLEMENTAL INDENTURE SECOND SUPPLEMENTAL INDENTURE (this ?Supplemental Indenture?), dated as of August 12, 2022, among Whiting Holdings LLC, a Delaware limited liability company (?Whiting Holdings?), and Whiting Oil and Gas Corporation, a Delaware corporation (?Whiting Oil and Gas? and, together with Whiting Holdings, the ?Guaranteeing Subsidiaries?), the other Guarantors (as defined in the Indenture referred to herein) and Regions Bank, as trustee under the Indenture referred to below (the ?Trustee?).

FIRST SUPPLEMENTAL INDENTURE

Execution Version FIRST SUPPLEMENTAL INDENTURE FIRST SUPPLEMENTAL INDENTURE (this ?Supplemental Indenture?), dated as of February 7, 2022, among Oasis Investment Holdings LLC (the ?Guaranteeing Subsidiary?), a subsidiary of Oasis Petroleum Inc.

OAS / Oasis Petroleum Inc. / FMR LLC Passive Investment

SCHEDULE 13G Amendment No.0 CHORD ENERGY CORP COMMON STOCK Cusip #674215207 Check the appropriate box to designate the rule pursuant to which this Schedule is filed: [x] Rule 13d-1(b) [ ] Rule 13d-1(c) [ ] Rule 13d-1(d) Cusip #674215207 Item 1: Reporting Person - FMR LLC Item 2: (a) [ ] (b) [ ] Item 4: Delaware Item 5: 4,315,947 Item 6: 0 Item 7: 4,317,831 Item 8: 0 Item 9: 4,317,831 Item 11: 10.0

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended June 30, 2022 or ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission file number: 1-34776 Chord

OAS / Oasis Petroleum Inc. / JPMORGAN CHASE & CO - FILING CHORD ENERGY CORPORATION Passive Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 03)* CHORD ENERGY CORPORATION (Name of Issuer) Common Stock, par value $0.01 per share (Title of Class of Securities) 674215207 (CUSIP Number) July 29, 2022 (Date of Event Which Requires Filing of this Statement) Check the appropriate box to designate the ru

Chord Energy Announces Updated Return of Capital Plan, Including Increasing Base Dividend by 114%, Issues an Updated Outlook and Reports Second Quarter 2022 Earnings

Exhibit 99.1 Chord Energy Announces Updated Return of Capital Plan, Including Increasing Base Dividend by 114%, Issues an Updated Outlook and Reports Second Quarter 2022 Earnings Houston, Texas ? August 3, 2022 ? Chord Energy Corporation (NASDAQ: CHRD) (?Chord?, ?Chord Energy? or the ?Company?) today announced its updated return of capital plan, provided an updated outlook for the business and rep

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): August 3, 2022 CHORD ENERGY CORPORATION (Exact name of registrant as specified in its charter) Delaware 001-34776 80-0554627 (State or other jurisdiction of incorporation or organizat

Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): July 15, 2022 CHORD ENERGY CORPORATION (Exact name of registrant as specified in its charter) Delaware 001-34776 80-0554627 (State or other jurisdiction of incorporation or organizati

As filed with the Securities and Exchange Commission on July 13, 2022

As filed with the Securities and Exchange Commission on July 13, 2022 Registration No.

Financial Statements and Exhibits, Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): July 13, 2022 CHORD ENERGY CORPORATION (Exact name of registrant as specified in its charter) Delaware 001-34776 80-0554627 (State or other jurisdiction of incorporation) (Commission

Whiting Petroleum Corporation 2020 Equity Incentive Plan.

Exhibit 99.1 WHITING PETROLEUM CORPORATION 2020 EQUITY INCENTIVE PLAN 1. Purpose and Effective Date (a) Purpose. The purpose of the Whiting Petroleum Corporation 2020 Equity Incentive Plan (the ?Plan?) is to promote the best interests of Whiting Petroleum Corporation (together with any successor thereto, the ?Company?) and its stockholders by providing key employees and non-employee directors of t

Calculation of Filing Fee Tables.

Exhibit 107 Calculation of Filing Fee Tables Form S-8 Registration Statement Under The Securities Act of 1933 (Form Type) CHORD ENERGY CORPORATION (Exact Name of Registrant as Specified in its Charter) Table 1 ? Newly Registered Securities Security Type Security Class Title Fee Calculation Rule (3) Amount Registered (1)(2) Proposed Maximum Offering Price Per Unit (3) Maximum Aggregate Offering Price (3) Fee Rate Amount of Registration Fee Equity Common stock, $0.

Code of Business Conduct and Ethics of Chord Energy Corporation.

Exhibit 14.1 CHORD ENERGY CORPORATION CORPORATE CODE OF BUSINESS CONDUCT AND ETHICS (Adopted as of July 1, 2022) This Corporate Code of Business Conduct and Ethics (this ?Code?) provides basic principles and guidelines to assist directors, officers and other employees of Chord Energy Corporation (the ?Company?) in complying with the Company?s policies and guidelines governing appropriate business

Amended and Restated Credit Agreement, dated as of July 1, 2022, by and among Oasis Petroleum Inc., Oasis Petroleum LLC, Oasis Petroleum North America LLC, Wells Fargo Bank, N.A., and the other parties party thereto.

Exhibit 10.4 Execution Version AMENDED AND RESTATED CREDIT AGREEMENT DATED AS OF JULY 1, 2022 AMONG CHORD ENERGY CORPORATION, AS PARENT, OASIS PETROLEUM NORTH AMERICA LLC, AS BORROWER, THE OTHER CREDIT PARTIES PARTY HERETO, WELLS FARGO BANK, NATIONAL ASSOCIATION, AS ADMINISTRATIVE AGENT, ISSUING BANK AND SWINGLINE LENDER AND THE LENDERS PARTY HERETO SOLE LEAD ARRANGER AND SOLE BOOKRUNNER WELLS FAR

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-A/A (Amendment No. 1) FOR REGISTRATION OF CERTAIN CLASSES OF SECURITIES PURSUANT TO SECTION 12(b) OR 12(g) OF THE SECURITIES EXCHANGE ACT OF 1934 CHORD ENERGY CORPORATION

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-A/A (Amendment No. 1) FOR REGISTRATION OF CERTAIN CLASSES OF SECURITIES PURSUANT TO SECTION 12(b) OR 12(g) OF THE SECURITIES EXCHANGE ACT OF 1934 CHORD ENERGY CORPORATION (Exact name of registrant as specified in its charter) Delaware 80-0554627 (State or other jurisdiction of incorporation) (IRS Employer Identification

Third Amended and Restated Bylaws of Chord Energy Corporation.

Exhibit 3.3 THIRD AMENDED AND RESTATED BYLAWS OF CHORD ENERGY CORPORATION Incorporated under the Laws of the State of Delaware (Amended and Restated July 1, 2022) ARTICLE I DEFINITIONS As used in these Bylaws, unless the context otherwise requires, the term: SECTION 1.1. ?Assistant Secretary? means an Assistant Secretary of the Corporation. SECTION 1.2. ?Assistant Treasurer? means an Assistant Tre

Certificate of Elimination of Series A Junior Participating Preferred Stock of Oasis Petroleum Inc. (incorporated by reference to Exhibit 3.1 of Chord Energy Corporation’s Current Report on Form 8-K filed on July 7, 2022)

Exhibit 3.1 CERTIFICATE OF ELIMINATION OF SERIES A JUNIOR PARTICIPATING PREFERRED STOCK OF OASIS PETROLEUM INC. (Pursuant to Section 151 of the Delaware General Corporation Law) June 30, 2022 Oasis Petroleum Inc., a Delaware corporation (the ?Company?), certifies as follows: 1. Pursuant to Section 151 of the Delaware General Corporation Law (the ?DGCL?) and the authority granted in the Amended and

Certificate of Amendment to the Amended and Restated Certificate of Incorporation of Oasis Petroleum Inc.

Exhibit 3.2 CERTIFICATE OF FIRST AMENDMENT TO AMENDED AND RESTATED CERTIFICATE OF INCORPORATION OF OASIS PETROLEUM INC. July 1, 2022 Oasis Petroleum Inc., a Delaware corporation (the ?Corporation?), does hereby certify that: FIRST: The name of the Corporation is Oasis Petroleum Inc. The Certificate of Incorporation of the Corporation was originally filed on February 25, 2010 and subsequently amend

Warrant Assignment and Assumption Agreement, dated as of July 1, 2022, by and among Oasis Petroleum Inc., Whiting Petroleum Corporation, Computershare Inc. and Computershare Trust Company, N.A.

Exhibit 10.3 WARRANT ASSIGNMENT AND ASSUMPTION AGREEMENT THIS WARRANT ASSIGNMENT AND ASSUMPTION AGREEMENT (the ?Agreement?) is entered into and effective as of July 1, 2022, by and among Oasis Petroleum Inc., a Delaware corporation (?Oasis?), Whiting Petroleum Corporation, a Delaware corporation (?Whiting?), Computershare Inc., a Delaware corporation (?Computershare?) and its affiliate Computersha

Welcome to Chord Energy Chord (noun) /kord/ A straight line joining two points on a curve Musical notes played in unison to produce harmony ̂ By bringing together Whiting and Oasis in a merger of equals, we joined two excellent oil and gas operators

Stronger Together Positioned for Value Creation July 1, 2022 Exhibit 99.2 Welcome to Chord Energy Chord (noun) /kord/ A straight line joining two points on a curve Musical notes played in unison to produce harmony ? By bringing together Whiting and Oasis in a merger of equals, we joined two excellent oil and gas operators to strike a new chord and created a new harmony in the industry. Chord Energ

Whiting and Oasis Complete Combination, Establishing Chord Energy

Exhibit 99.1 Whiting and Oasis Complete Combination, Establishing Chord Energy Chord Energy Is a Scaled Unconventional U.S. Oil Producer with a Premier Williston Basin Acreage Position and Sustainable Free Cash Flow HOUSTON, July 1, 2022 /PRNewswire/ ? Chord Energy Corporation (NASDAQ: CHRD) (?Chord? or the ?Company?) today announced the successful completion of the combination of Whiting Petroleu

Regulation FD Disclosure, Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers, Amendments to Articles of Incorporation or Bylaws; Change in Fiscal Year, Amendment to Registrant's Code of Ethics, or Waiver of a Provision of the Code of Ethics, Entry into a Material Definitive Agreement, Material Modification to Rights of Security Holders, Financial Statements and Exhibits, Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement of a Registrant, Results of Operations and Financial Condition, Completion of Acquisition or Disposition of Assets

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): June 30, 2022 CHORD ENERGY CORPORATION (Exact name of registrant as specified in its charter) Delaware 001-34776 80-0554627 (State or other jurisdiction of incorporation) (Commission

Financial Code of Ethics of Chord Energy Corporation.

Exhibit 14.2 CHORD ENERGY CORPORATION FINANCIAL CODE OF ETHICS (Adopted as of July 1, 2022) This Financial Code of Ethics (this ?Financial Code?) of Chord Energy Corporation (the ?Company?) contains the ethical principles by which the Chief Executive Officer, Chief Financial Officer (or other principal financial officer), Controller (or other principal accounting officer) and other senior financia

Other Events, Submission of Matters to a Vote of Security Holders

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): June 28, 2022 OASIS PETROLEUM INC. (Exact name of registrant as specified in its charter) Delaware 001-34776 80-0554627 (State or other jurisdiction of incorporation) (Commission File

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): June 28, 2022 OASIS PETROLEUM INC

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): June 28, 2022 OASIS PETROLEUM INC. (Exact name of registrant as specified in its charter) Delaware 001-34776 80-0554627 (State or other jurisdiction of incorporation) (Commission File

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): June 16, 2022 Oasis Petroleum Inc

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): June 16, 2022 Oasis Petroleum Inc. (Exact name of registrant as specified in its charter) Delaware 001-34776 80-0554627 (State or other jurisdiction of incorporation) (Commission File

Oasis Petroleum Inc. Declares Special Dividend of $15.00 per Share in connection with its Merger with Whiting

Exhibit 99.1 Oasis Petroleum Inc. Declares Special Dividend of $15.00 per Share in connection with its Merger with Whiting HOUSTON, June 16, 2022 /PRNewswire/ ? Oasis Petroleum Inc. (NASDAQ: OAS) (?Oasis?) announced today that its Board of Directors has, subject to certain conditions, declared a special dividend of $15.00 per share of Oasis common stock. The special dividend is being declared in c

Oasis Petroleum Inc. Declares Special Dividend of $15.00 per Share in connection with its Merger with Whiting

Exhibit 99.1 Oasis Petroleum Inc. Declares Special Dividend of $15.00 per Share in connection with its Merger with Whiting HOUSTON, June 16, 2022 /PRNewswire/ ? Oasis Petroleum Inc. (NASDAQ: OAS) (?Oasis?) announced today that its Board of Directors has, subject to certain conditions, declared a special dividend of $15.00 per share of Oasis common stock. The special dividend is being declared in c

Financial Statements and Exhibits, Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): June 16, 2022 Oasis Petroleum Inc. (Exact name of registrant as specified in its charter) Delaware 001-34776 80-0554627 (State or other jurisdiction of incorporation) (Commission File

MERGER PROPOSED — YOUR VOTE IS VERY IMPORTANT

Table of Contents Filed Pursuant to Rule 424(b)(3) Registration No. 333-264550 MERGER PROPOSED ? YOUR VOTE IS VERY IMPORTANT Dear Stockholders of Oasis Petroleum Inc. and Whiting Petroleum Corporation: On behalf of the boards of directors of Oasis Petroleum Inc. (?Oasis?) and Whiting Petroleum Corporation (?Whiting?), we are pleased to enclose the accompanying joint proxy statement/prospectus rela

Consent of Tudor, Pickering, Holt & Co.

Exhibit 99.2 Consent of Tudor, Pickering, Holt & Co. We hereby consent to the use of our opinion letter dated March 6, 2022 to the Board of Directors of Oasis Petroleum Inc. (?Oasis?), included as Annex C to the joint proxy statement/prospectus which forms a part of Amendment No. 1 to the Registration Statement on Form S-4 of Oasis, filed on May 19, 2022 (the ?Registration Statement?), relating to

Consent of Kevin S. McCarthy to be named as a director nominee.

Exhibit 99.7 CONSENT I hereby consent to serve as a director of Oasis Petroleum Inc. (the ?Company?), if elected as such, and to be named as a nominee or potential nominee for director of the Company in any registration statement filed by the Company under the Securities Act of 1933, as amended, including all amendments and post-effective amendments or supplements thereto and any prospectus and/or

OASIS PETROLEUM INC. 1001 Fannin Street, Suite 1500 Houston, TX 77002 ph: (281) 404-9500

OASIS PETROLEUM INC. 1001 Fannin Street, Suite 1500 Houston, TX 77002 ph: (281) 404-9500 May 20, 2022 Via EDGAR Division of Corporation Finance Office of Energy and Transportation United States Securities and Exchange Commission 100 F Street, N.E. Washington, D.C. 20549-3561 Attention: Liz Packebusch Re: Request for Acceleration of Effectiveness of Registration Statement on Form S-4 (File No. 333-

Consent of DeGolyer and MacNaughton relating to Oasis Petroleum Inc.

Exhibit 23.9 DeGolyer and MacNaughton 5001 Spring Valley Road Suite 800 East Dallas, Texas 75244 May 19, 2022 Oasis Petroleum Inc. 1001 Fannin Street, Suite 1500 Houston, Texas 77002 Ladies and Gentlemen: We hereby consent to the use of the name DeGolyer and MacNaughton, to references to DeGolyer and MacNaughton as independent reserves engineers, and to the inclusion of information taken from our

As filed with the Securities and Exchange Commission on May 19, 2022

Table of Contents As filed with the Securities and Exchange Commission on May 19, 2022 Registration No.

Consent of Anne Taylor to be named as a director nominee.

Exhibit 99.8 CONSENT I hereby consent to serve as a director of Oasis Petroleum Inc. (the ?Company?), if elected as such, and to be named as a nominee or potential nominee for director of the Company in any registration statement filed by the Company under the Securities Act of 1933, as amended, including all amendments and post-effective amendments or supplements thereto and any prospectus and/or

Consent of Netherland, Sewell & Associates, Inc. relating to Whiting Petroleum Corporation.

Exhibit 23.10 CONSENT OF INDEPENDENT PETROLEUM ENGINEERS AND GEOLOGISTS We hereby consent to the references to our firm, in the context in which they appear, and to the references to and the incorporation by reference of our reserves report dated January 28, 2022, included in the Annual Report on Form 10-K of Whiting Petroleum Corporation (the ?Company?) for the fiscal year ended December 31, 2021

Consent of Paul J. Korus to be named as a director nominee.

Exhibit 99.6 CONSENT I hereby consent to serve as a director of Oasis Petroleum Inc. (the ?Company?), if elected as such, and to be named as a nominee or potential nominee for director of the Company in any registration statement filed by the Company under the Securities Act of 1933, as amended, including all amendments and post-effective amendments or supplements thereto and any prospectus and/or

Consent of Susan M. Cunningham to be named as a director nominee.

Exhibit 99.5 CONSENT I hereby consent to serve as a director of Oasis Petroleum Inc. (the ?Company?), if elected as such, and to be named as a nominee or potential nominee for director of the Company in any registration statement filed by the Company under the Securities Act of 1933, as amended, including all amendments and post-effective amendments or supplements thereto and any prospectus and/or

Consent of Citigroup Global Markets Inc.

Exhibit 99.3 CONSENT OF CITIGROUP GLOBAL MARKETS INC. The Board of Directors Whiting Petroleum Corporation 1700 Lincoln Street, Suite 4700 Denver, Colorado 80203-4547 Members of the Board: We hereby consent to the inclusion of our opinion letter, dated March 7, 2022 to the Board of Directors of Whiting Petroleum Corporation (?Whiting?), as Annex D to, and reference to such opinion letter under the

LETTER

United States securities and exchange commission logo May 9, 2022 Daniel E. Brown Chief Executive Officer Oasis Petroleum Inc. 1001 Fannin Street, Suite 1500 Houston, TX 77002 Re: Oasis Petroleum Inc. Registration Statement on Form S-4 Filed April 28, 2022 File No. 333-264550 Dear Mr. Brown: This is to advise you that we have not reviewed and will not review your registration statement. Please ref

Filed by Oasis Petroleum Inc.

Filed by Oasis Petroleum Inc. Pursuant to Rule 425 of the Securities Act of 1933 and deemed filed pursuant to Rule 14a-12 of the Securities Exchange Act of 1934 Subject Company: Whiting Petroleum Corporation Commission File No.: 001-31899 The following presentation was published on Oasis Petroleum Inc.?s website the morning of May 5, 2022, for use in connection with its First Quarter 2022 earnings

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ? QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended March 31, 2022 or ? TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission file number: 1-34776 Oasi

Oasis Petroleum Inc. Reports First Quarter 2022 Earnings, Declares Base and Variable Dividends, Issues Second Quarter Outlook, and Provides Update on Pending Merger

Exhibit 99.1 Oasis Petroleum Inc. Reports First Quarter 2022 Earnings, Declares Base and Variable Dividends, Issues Second Quarter Outlook, and Provides Update on Pending Merger Houston, Texas ? May 4, 2022 ? Oasis Petroleum Inc. (NASDAQ: OAS) (?Oasis? or the ?Company?) today announced financial and operating results for the quarter ending March 31, 2022. 1Q22 Operational and Financial Highlights:

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): May 4, 2022 OASIS PETROLEUM INC. (Exact name of registrant as specified in its charter) Delaware 001-34776 80-0554627 (State or other jurisdiction of incorporation or organization) (C

Financial Statements and Exhibits, Submission of Matters to a Vote of Security Holders

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): April 27, 2022 OASIS PETROLEUM INC. (Exact name of registrant as specified in its charter) Delaware 001-34776 80-0554627 (State or other jurisdiction of incorporation or organization)

Consent of Lynn A. Peterson to be named as a director nominee.

Exhibit 99.4 CONSENT I hereby consent to serve as a director of Oasis Petroleum Inc. (the ?Company?), if elected as such, and to be named as a nominee or potential nominee for director of the Company in any registration statement filed by the Company under the Securities Act of 1933, as amended, including all amendments and post-effective amendments or supplements thereto and any prospectus and/or

Filing Fee Table.

Exhibit 107 Calculation of Filing Fee Table Form S-4 (Form Type) Oasis Petroleum Inc.

Consent of DeGolyer and MacNaughton relating to Oasis Petroleum Inc.

Exhibit 23.8 DeGolyer and MacNaughton 5001 Spring Valley Road Suite 800 East Dallas, Texas 75244 April 28, 2022 Oasis Petroleum Inc. 1001 Fannin Street, Suite 1500 Houston, Texas 77002 Ladies and Gentlemen: We hereby consent to the use of the name DeGolyer and MacNaughton, to references to DeGolyer and MacNaughton as independent reserves engineers, and to the inclusion of information taken from ou

Consent of Citigroup Global Markets Inc.

Exhibit 99.3 CONSENT OF CITIGROUP GLOBAL MARKETS INC. The Board of Directors Whiting Petroleum Corporation 1700 Lincoln Street, Suite 4700 Denver, Colorado 80203-4547 Members of the Board: We hereby consent to the inclusion of our opinion letter, dated March 7, 2022 to the Board of Directors of Whiting Petroleum Corporation (?Whiting?), as Annex D to, and reference to such opinion letter under the

Consent of Tudor, Pickering, Holt & Co.

EX-99.2 9 d324775dex992.htm EX-99.2 Exhibit 99.2 Consent of Tudor, Pickering, Holt & Co. We hereby consent to the use of our opinion letter dated March 6, 2022 to the Board of Directors of Oasis Petroleum Inc. (“Oasis”), included as Annex C to the joint proxy statement/prospectus which forms a part of the Registration Statement on Form S-4 of Oasis, filed on April 28, 2022 (the “Registration State

Power of Attorney (included on the signature page to this Registration Statement on Form S-4).

Table of Contents As filed with the Securities and Exchange Commission on April 28, 2022 Registration No.

Consent of Netherland, Sewell & Associates, Inc. relating to Whiting Petroleum Corporation.

EX-23.9 Exhibit 23.9 CONSENT OF INDEPENDENT PETROLEUM ENGINEERS AND GEOLOGISTS We hereby consent to the references to our firm, in the context in which they appear, and to the references to and the incorporation by reference of our reserves report dated January 28, 2022, included in the Annual Report on Form 10-K of Whiting Petroleum Corporation (the “Company”) for the fiscal year ended December 3

Filed by Oasis Petroleum Inc.

Filed by Oasis Petroleum Inc. Pursuant to Rule 425 of the Securities Act of 1933 and deemed filed pursuant to Rule 14a-12 of the Securities Exchange Act of 1934 Subject Company: Whiting Petroleum Corporation Commission File No.: 001-31899 Letter sent via Email to Oasis Employees Joint Integration Update Letter Whiting and Oasis Teams, We would like to begin by thanking you for your unwavering dedi

UNAUDITED PRO FORMA CONDENSED CONSOLIDATED FINANCIAL INFORMATION

EXHIBIT 99.2 UNAUDITED PRO FORMA CONDENSED CONSOLIDATED FINANCIAL INFORMATION The following unaudited pro forma condensed consolidated financial information and accompanying notes reflect the pro forma effects of the following transactions. 1.On February 1, 2022, Oasis Midstream Partners LP (?OMP?) and OMP GP LLC (?OMP GP?) completed their previously announced merger with Crestwood Equity Partners

Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K/A (Amendment No. 1) CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): February 1, 2022 OASIS PETROLEUM INC. (Exact name of registrant as specified in its charter) Delaware 001-34776 80-0554627 (State or other jurisdiction of incorpor

OASIS COMPENSATION BENEFITS COMMUNICATION – PART 2

Filed by Oasis Petroleum Inc. Pursuant to Rule 425 of the Securities Act of 1933 and deemed filed pursuant to Rule 14a-12 of the Securities Exchange Act of 1934 Subject Company: Whiting Petroleum Corporation Commission File No.: 001-31899 Email to Oasis Employees Whiting and Oasis Teams, Consistent with our commitment to provide regular and transparent communications, we are writing with additiona