Sec Form 3 Filing - BX Vine ML Holdco L.P. @ CHESAPEAKE ENERGY CORP - 2022-04-29

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 BX Vine ML Holdco L.P. 2. Issuer Name and Ticker or Trading Symbol CHESAPEAKE ENERGY CORP [ CHK] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) _____ Director X __ 10% Owner _____ Officer (give title below) _____ Other (specify below) (Last) (First) (Middle) C/O BLACKSTONE INC., 345 PARK AVENUE 3. Date of Earliest Transaction (MM/DD/YY) 04/29/2022 (Street) NEW YORK, NY10154 4. If Amendment, Date Original Filed (MM/DD/YY) 6. Individual or Joint/Group Filing (Check Applicable Line) _____ Form filed by One Reporting Person __ X __ 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 11,500,000( 1 ) I See Footnotes( 2 )( 3 )( 4 )( 5 )( 6 )

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

Reporting Owners Reporting Owner Name / Address Relationships Director 10% Owner Officer Other BX Vine ML Holdco L.P. C/O BLACKSTONE INC. 345 PARK AVENUE NEW YORK, NY10154 X BX Vine ML Holdco GP L.L.C. C/O BLACKSTONE INC. 345 PARK AVENUE NEW YORK, NY10154 X Signatures BX VINE ML HOLDCO L.P., By: BX Vine ML Holdco GP L.L.C., its general partner, By: /s/ Christopher Striano, Name: Christopher Striano, Title: Manager 04/29/2022 Signature of Reporting Person Date BX VINE ML HOLDCO GP L.L.C., By: /s/ Christopher Striano, Name: Christopher Striano, Title: Manager 04/29/2022 Signature of Reporting Person Date

Explanation of Responses:

( 1 )On April 29, 2022, in connection with an internal reorganization, BX Vine Intermediate Holdco L.P. contributed for no consideration 11,500,000 shares of common stock, par value $0.01 per share ("Common Stock"), of Chesapeake Energy Corporation (the "Issuer") to BX Vine ML Holdco L.P. ( 2 )Reflects Common Stock of the Issuer directly held by BX Vine ML Holdco L.P. BX Vine ML Holdco GP L.L.C. is the general partner of BX Vine ML Holdco L.P. ( 3 )BX Vine Intermediate Holdco L.P. is the sole member of BX Vine ML Holdco GP L.L.C. BCP VI/BEP II/BEP Holdings Manager L.L.C. is the general partner of BX Vine Intermediate Holdco L.P. The controlling interests of BCP VI/BEP II/BEP Holdings Manager L.L.C. are held by its managing members Blackstone Energy Management Associates II L.L.C., Blackstone Energy Management Associates L.L.C. and Blackstone Management Associates VI L.L.C. Blackstone EMA II L.L.C. is the sole member of Blackstone Energy Management Associates II L.L.C. Blackstone EMA L.L.C. is the sole member of Blackstone Energy Management Associates L.L.C. BMA VI L.L.C. is the sole member of Blackstone Management Associates VI L.L.C. Blackstone Holdings III L.P. is the managing member of each of Blackstone EMA II L.L.C., Blackstone EMA L.L.C. and BMA VI L.L.C. ( 4 )(Continued from Footnote 3) Blackstone Holdings III GP L.P. is the general partner of Blackstone Holdings III L.P. Blackstone Holdings III GP Management L.L.C. is the general partner of Blackstone Holdings III GP L.P. Blackstone Inc. ("Blackstone") is the sole member of Blackstone Holdings III GP Management L.L.C. The sole holder of the Series II preferred stock of Blackstone is Blackstone Group Management L.L.C. Blackstone Group Management L.L.C. is wholly-owned by Blackstone's senior managing directors and controlled by its founder, Stephen A. Schwarzman. ( 5 )Information with respect to each of the Reporting Persons is given solely by such Reporting Person, and no Reporting Person has responsibility for the accuracy or completeness of information supplied by another Reporting Person. ( 6 )Each of the Reporting Persons (other than to the extent it directly holds securities reported herein) disclaims beneficial ownership of the securities held by the other Reporting Persons, except to the extent of such Reporting Person's pecuniary interest therein, and, pursuant to Rule 16a-1(a)(4) under the Securities Exchange Act of 1934 (the "Exchange Act"), each of the Reporting Persons (other than to the extent it directly holds securities reported herein) states that the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of all of the securities reported herein for purposes of Section 16 of the Exchange Act or for any other purpose.

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