Sec Form 4 Filing - Blackstone Holdings III GP Management L.L.C. @ VINE ENERGY INC. - 2021-03-22

FORM 4 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

OMB APPROVAL OMB Number: 3235-0287 Expires: November 30, 2011 Estimated average burden hours per response... 0.5

1. Name and Address of Reporting Person Blackstone Holdings III GP Management L.L.C. 2. Issuer Name and Ticker or Trading Symbol VINE ENERGY INC. [ VEI] 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 THE BLACKSTONE GROUP INC., 345 PARK AVENUE 3. Date of Earliest Transaction (MM/DD/YY) 03/22/2021 (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 Class A Common Stock 03/22/2021 P 1,479,905 A $ 13.3 ( 15 ) 1,537,048 I See Footnotes ( 1 ) ( 7 ) ( 8 ) ( 10 ) ( 13 ) ( 14 ) ( 16 ) ( 17 ) ( 18 ) Class A Common Stock 03/22/2021 P 808,762 A $ 13.3 ( 15 ) 10,276,529 I See Footnotes ( 2 ) ( 7 ) ( 8 ) ( 13 ) ( 14 ) ( 16 ) ( 17 ) ( 18 ) Class A Common Stock 03/22/2021 P 1,409,507 A $ 13.3 ( 15 ) 1,465,969 I See Footnotes ( 3 ) ( 7 ) ( 9 ) ( 10 ) ( 11 ) ( 12 ) ( 13 ) ( 14 ) ( 16 ) ( 17 ) ( 18 ) Class A Common Stock 03/22/2021 P 556,887 A $ 13.3 ( 15 ) 7,082,421 I See Footnotes ( 4 ) ( 7 ) ( 9 ) ( 13 ) ( 14 ) ( 16 ) ( 17 ) ( 18 ) Class A Common Stock 03/22/2021 P 21,787 A $ 13.3 ( 15 ) 22,468 I See Footnotes ( 5 ) ( 7 ) ( 9 ) ( 11 ) ( 12 ) ( 13 ) ( 14 ) ( 16 ) ( 17 ) ( 18 ) Class A Common Stock 03/22/2021 P 8,152 A $ 13.3 ( 15 ) 145,715 I See Footnotes ( 6 ) ( 7 ) ( 9 ) ( 13 ) ( 14 ) ( 16 ) ( 17 ) ( 18 )

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 Blackstone Holdings III GP Management L.L.C. C/O THE BLACKSTONE GROUP INC. 345 PARK AVENUE NEW YORK, NY10154 X Blackstone Capital Partners VI-Q L.P. C/O THE BLACKSTONE GROUP INC. 345 PARK AVENUE NEW YORK, NY10154 X Blackstone Management Associates VI L.L.C. C/O THE BLACKSTONE GROUP INC. 345 PARK AVENUE NEW YORK, NY10154 X BMA VI L.L.C. C/O THE BLACKSTONE GROUP INC. 345 PARK AVENUE NEW YORK, NY10154 X Blackstone Holdings III L.P. C/O THE BLACKSTONE GROUP INC. 345 PARK AVENUE NEW YORK, NY10154 X Blackstone Holdings III GP L.P. C/O THE BLACKSTONE GROUP INC. 345 PARK AVENUE NEW YORK, NY10154 X Blackstone Family Investment Partnership VI ESC L.P. C/O THE BLACKSTONE GROUP INC. 345 PARK AVENUE NEW YORK, NY10154 X BCP VI Side-By-Side GP L.L.C. C/O THE BLACKSTONE GROUP INC. 345 PARK AVENUE NEW YORK, NY10154 X Blackstone Energy Family Investment Partnership ESC L.P. C/O THE BLACKSTONE GROUP INC. 345 PARK AVENUE NEW YORK, NY10154 X BEP Side-by-Side GP L.L.C. C/O THE BLACKSTONE GROUP INC. 345 PARK AVENUE NEW YORK, NY10154 X Signatures BLACKSTONE HOLDINGS III GP MANAGEMENT L.L.C., By: /s/ Tabea Hsi, Name: Tabea Hsi, Title: Senior Managing Director 03/24/2021 Signature of Reporting Person Date BLACKSTONE CAPITAL PARTNERS VI-Q L.P., By: Blackstone Management Associates VI L.L.C., gp, By: BMA VI L.L.C., By: Blackstone Holdings III L.P., By: Blackstone Holdings III GP L.P., Blackstone Holdings III GP Management L.L.C. By: /s/ Tabea Hsi 03/24/2021 Signature of Reporting Person Date BLACKSTONE MANAGEMENT ASSOCIATES L.L.C., By: BMA VI L.L.C., sm, By: Blackstone Holdings III L.P., mm, By: Blackstone Holdings III GP L.P., gp, By: Blackstone Holdings III GP Management L.L.C.,gp, By: /s/ Tabea Hsi, Name: Tabea Hsi, Title: SMD 03/24/2021 Signature of Reporting Person Date BMA VI L.L.C., By: Blackstone Holdings III L.P. its managing member, By: Blackstone Holdings III GP L.P., its general partner, By: Blackstone Holdings III GP Management L.L.C., its general partner, By: /s/ Tabea Hsi, Name: Tabea Hsi, Title: SMD 03/24/2021 Signature of Reporting Person Date BLACKSTONE HOLDINGS III L.P., By: Blackstone Holdings III GP L.P., its general partner, By: Blackstone Holdings III GP Management L.L.C., its general partner, By: /s/ Tabea Hsi, Name: Tabea Hsi, Title: Senior Managing Director 03/24/2021 Signature of Reporting Person Date BLACKSTONE HOLDINGS III GP L.P., By: Blackstone Holdings III GP Management L.L.C., its general partner, By: /s/ Tabea Hsi, Name: Tabea Hsi, Title: Senior Managing Director 03/24/2021< /td> Signature of Reporting Person Date BLACKSTONE FAMILY INVESTMENT PARTNERSHIP VI-ESC L.P., By: BCP VI Side-by-Side GP L.L.C., gp, By: Blackstone Holdings III L.P., sm, By: Blackstone Holdings III GP L.P., gp, By: Blackstone Holdings III GP Management L.L.C., gp, By: /s/ Tabea Hsi, Title: SMD 03/24/2021 Signature of Reporting Person Date BCP VI SIDE-BY-SIDE GP L.L.C., By: Blackstone Holdings III L.P., its sole member, By: Blackstone Holdings III GP L.P., its general partner, By: Blackstone Holdings III GP Management L.L.C., gp, By: /s/ Tabea Hsi, Name: Tabea Hsi, Title: SMD 03/24/2021 Signature of Reporting Person Date BLACKSTONE ENERGY FAMILY INVESTMENT PARTNERSHIP ESC L.P., By: BEP Side-by-Side GP L.L.C., gp, By: Blackstone Holdings III L.P., sm, By: Blackstone Holdings III GP L.P., gp, By: Blackstone Holdings III GP Management L.L.C., By: /s/ Tabea Hsi, Title: SMD 03/24/2021 Signature of Reporting Person Date BEP SIDE-BY-SIDE GP L.L.C., By: Blackstone Holdings III L.P., its sole member, By: Blackstone Holdings III GP L.P., its general partner, By: Blackstone Holdings III GP Management L.L.C., its general partner, By: /s/ Tabea Hsi, Title: SMD 03/24/2021 Signature of Reporting Person Date

Explanation of Responses:

( 1 )Reflects securities directly held by Vine Investment LLC. Vine Oil & Gas Holdings LLC ("Holdings") is the managing member of Vine Investment LLC. Holdings is owned by Blackstone Capital Partners VI-Q L.P. ("BCP VI-Q"), Blackstone Energy Partners Q L.P. ("BEP Q"), Blackstone Family Investment Partnership VI-ESC L.P. ("BFIP VI"), Blackstone Energy Family Investment Partnership ESC L.P. ("BEFIP ESC") and Blackstone Energy Family Investment Partnership SMD L.P. ("BEFIP SMD"). The general partner of BEFIP ESC is BEP Side-by-Side GP L.L.C. ( 2 )Reflects securities directly held by Vine Investment II LLC. Vine Investment II LLC is owned by Blackstone Capital Partners VI-Q (Pub) L.P. ("BCP VI AIV"), and Blackstone Energy Partners Q (Pub) L.P. ("BEP AIV"). ( 3 )Reflects securities directly held by Brix Investment LLC. Brix Investment LLC is owned by B&H Oil and Gas L.L.C ("B&H Oil & Gas"). B&H Oil &B Gas is owned by BCP VI-Q, BFIP VI, BCP VI SBS Holdings L.L.C. ("BCP VI SBS Holdings"), Blackstone Energy Partners II Q L.P. ("BEP II Q"), Blackstone Energy Partners II.F Q L.P. ("BEP II.F Q"), Blackstone Energy Family Investment Partnership II-ESC L.P. ("BEFIP II-ESC"), Blackstone Energy Family Investment Partnership II SMD L.P. ("BEFIP II SMD"), BEP II SBS Holdings L.L.C. ("BEP II SBS Holdings") and BTAS Q Holdings L.L.C. ("BTAS Q Holdings"). The general partner of BFIP VI is BCP VI Side-by-Side GP L.L.C. ( 4 )Reflects securities directly held by Brix Investment II LLC. Brix Investment II LLC is owned by Blackstone Energy Partners II Q (Pub) L.P. ("BEP II AIV"), Blackstone Energy Partners II.F Q (Pub) L.P. ("BEP II.F AIV") and BCP VI AIV. ( 5 )Reflects securities of the Issuer held directly by Harvest Investment LLC. Harvest Investment LLC is owned by B&H Oil & Gas. B&H Oil & Gas is owned by BCP VI-Q, BFIP VI, BCP VI SBS Holdings, BEP II Q, BEP II.F Q, BEFIP II-ESC, BEFIP II SMD, BEP II SBS Holdings and BTAS Q Holdings. The general partner of BFIP VI is BCP VI Side-by-Side GP L.L.C.The general partner of BEFIP II-ESC is BEP II Side-by-Side GP L.L.C. ( 6 )Reflects securities directly held by Harvest Investment II LLC. Harvest Investment II LLC is owned by BEP II AIV, BEP II.F AIV and BCP VI AIV. The general partner of BCP VI AIV is Blackstone Management Associates VI L.L.C. ( 7 )Blackstone Management Associates VI L.L.C. is the general partner of BCP VI-Q and BCP VI AIV. The sole member of Blackstone Management Associates VI L.L.C. is BMA VI L.L.C. ( 8 )Blackstone Energy Management Associates L.L.C. is the general partner of BEP AIV and BEP Q. The sole member of Blackstone Energy Management Associates L.L.C. is Blackstone EMA L.L.C. ( 9 )Blackstone Energy Management Associates II L.L.C. is the general partner of BEP II Q, BEP II.F Q, BEP II AIV and BEP II.F AIV. The sole member of Blackstone Energy Management Associates II L.L.C. is Blackstone EMA II L.L.C. ( 10 )Blackstone Family GP L.L.C. is the general partner of BEFIP SMD and BEFIP II SMD. Blackstone Family GP L.L.C. is wholly-owned by Blackstone's senior managing directors and controlled by its founder, Stephen A. Schwarzman. ( 11 )Blackstone Side-by-Side Umbrella Partnership L.P. is the sole member of each of BEP II SBS Holdings and BCP VI SBS Holdings. The general partner of Blackstone Side-by-Side Umbrella Partnership L.P. is Blackstone Side-by-Side Umbrella GP L.L.C. ( 12 )BTAS Associates L.L.C. is the managing member of BTAS Q Holdings. ( 13 )Blackstone Holdings III L.P. is the managing member of each of BMA VI L.L.C., Blackstone EMA L.L.C., BTAS Associates L.L.C. and Blackstone EMA II L.L.C. and the sole member of each of BCP VI Side-by-Side GP L.L.C., BEP II Side-by-Side GP L.L.C. and Blackstone Side-by-Side Umbrella GP L.L.C. The general partner of Blackstone Holdings III L.P. is Blackstone Holdings III GP L.P. The general partner of Blackstone Holdings III GP L.P. is Blackstone Holdings III GP Management L.L.C. ( 14 )The Blackstone Group Inc. is the sole member of Blackstone Holdings III GP Management L.L.C. The sole holder of the Class C common stock of The Blackstone Group Inc. 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. ( 15 )Represents the $14.00 initial public offering sale price of the Class A common stock, par value $0.01 per share, less the underwriting discount of $0.70 per share. ( 16 )Due to the limitations of the electronic filing system certain Reporting Persons are filing a separate Form 4. ( 17 )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. ( 18 )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, 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 reported securities for purposes of Section 16 or for any other purpose.

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.

* If the form is filed by more than one reporting person, see Instruction 4(b)(v).

** Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).

Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.