Sec Form 3 Filing - Robuck Richard N @ Chord Energy Corp - 2024-03-04

FORM 3 Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940

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1. Name and Address of Reporting Person Robuck Richard N 2. Issuer Name and Ticker or Trading Symbol Chord Energy Corp [ CHRD] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) _____ Director _____ 10% Owner X __ Officer (give title below) _____ Other (specify below) EVP and CFO (Last) (First) (Middle) 1001 FANNIN STREET, SUITE 1500 3. Date of Earliest Transaction (MM/DD/YY) 03/04/2024 (Street) HOUSTON, TX77002 4. If Amendment, Date Original Filed (MM/DD/YY) 6. Individual or Joint/Group Filing (Check Applicable Line) __ X __ Form filed by One Reporting Person _____ Form filed by More than One Reporting Person (City) (State) (Zip)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned 1.Title of Security (Instr. 3) 2. Transaction Date (MM/DD/YY) 2A. Deemed Execution Date, if any (MM/DD/YY) 3. Transaction Code (Instr. 8) 4. Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5) 5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4) 6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4) Code V Amount (A) or (D) Price Common Stock 31,710 ( 1 ) D

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned ( e.g. , puts, calls, warrants, options, convertible securities) 1. Title of Derivative Security (Instr. 3) 2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (MM/DD/YY) 3A. Deemed Execution Date, if any (MM/DD/YY) 4. Transaction Code (Instr. 8) 5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4, and 5) 6. Date Exercisable and Expiration Date (MM/DD/YY) 7. Title and Amount of Underlying Securities (Instr. 3 and 4) 8. Price of Derivative Security (Instr. 5) 9. Number of Derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4) 10. Ownership Form of Derivative Security: Direct (D) or Indirect (I) (Instr. 4) 11. Nature of Indirect Beneficial Ownership (Instr. 4) Code V (A) (D) Date Exercisable Expiration Date Title Amount or Number of Shares Warrants (Rights to Buy) $ 75.57 11/19/2020 11/19/2024 Common Stock ( 2 ) 12 D

Reporting Owners Reporting Owner Name / Address Relationships Director 10% Owner Officer Other Robuck Richard N 1001 FANNIN STREET SUITE 1500 HOUSTON, TX77002 EVP and CFO Signatures /s/ Melissa K. Buce, as attorney-in-fact 03/06/2024 Signature of Reporting Person Date

Explanation of Responses:

( 1 )Represents certain awards of restricted stock units ("RSUs") granted to the Reporting Person that may be settled only for shares of common stock on a one-for-one basis and earned performance share units ("PSUs") that remain subject to time-based vesting. These PSUs include performance share units that were originally subject to a total shareholder return performance goal or a relative total shareholder return performance goal based on the Issuer's performance as compared to a predefined peer group or the Russell 2000 constituent companies but were deemed earned as a result of the merger between Oasis Petroleum Inc. ("Oasis") and Whiting Petroleum Corporation ("Whiting") contemplated by that certain Agreement and Plan of Merger, dated as of March 7, 2022 by and among Oasis, Ohm Merger Sub Inc., a Delaware corporation and a wholly owned subsidiary of Oasis, New Ohm LLC, a Delaware limited liability company and a wholly owned subsidiary of Oasis, and Whiting. ( 2 )Represents warrants to purchase shares of the Issuer's common stock that were originally issued in connection with the Joint Prepackaged Chapter 11 Plan of Reorganization of Oasis (the Issuer's predecessor) and its Debtor Affiliates (as amended, modified or supplemented from time to time, the "Plan"), on November 19, 2020 (the effective date of the Plan). Each Warrant is exercisable for one share of the Issuer's common stock from the date of issuance until 5:00 p.m., New York time, on the expiration date. The receipt of warrants was involuntary, without additional consideration and in accordance with the Plan approved by the U.S. Bankruptcy Court for the Southern District of Texas.

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