FORM 3
        
UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES

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Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934 or Section 30(h) of the Investment Company Act of 1940
                      

1. Name and Address of Reporting Person *

Blackstone Holdings III L.P.		 2. Date of Event Requiring Statement (MM/DD/YYYY)
1/11/2022 

 3. Issuer Name and Ticker or Trading Symbol

Altus Midstream Co [ALTM]
(Last)        (First)        (Middle)

C/O BLACKSTONE INC., 345 PARK AVENUE		 4. Relationship of Reporting Person(s) to Issuer (Check all applicable)

_____ Director                          ___X___ 10% Owner
_____ Officer (give title below)        _____ Other (specify below)
(Street)

NEW YORK, NY 10154      

(City)              (State)              (Zip)
5. If Amendment, Date Original Filed(MM/DD/YYYY)
 

6. Individual or Joint/Group Filing(Check Applicable Line)

___ Form filed by One Reporting Person
_X_ Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Beneficially Owned
1.Title of Security
(Instr. 4)		2. Amount of Securities Beneficially Owned
(Instr. 4)		3. Ownership Form: Direct (D) or Indirect (I)
(Instr. 5)		4. Nature of Indirect Beneficial Ownership
(Instr. 5)
Class A Common Stock 0 (1)(2)(3)(4)(5)(6)I See footnotes (1)(2)(3)(4)(5)(6)(7)

Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivate Security
(Instr. 4)		2. Date Exercisable and Expiration Date
(MM/DD/YYYY)		3. Title and Amount of Securities Underlying Derivative Security
(Instr. 4)		4. Conversion or Exercise Price of Derivative Security5. Ownership Form of Derivative Security: Direct (D) or Indirect (I)
(Instr. 5)		6. Nature of Indirect Beneficial Ownership
(Instr. 5)
Date ExercisableExpiration DateTitleAmount or Number of Shares
Explanation of Responses:
(1) On October 21, 2021, the Issuer entered into a contribution agreement (the "Contribution Agreement") by and among the Issuer, Altus Midstream LP, a Delaware limited partnership (the "Partnership"), BCP Raptor Holdco, LP, a Delaware limited partnership ("Raptor"), and New BCP Raptor Holdco, LLC, a Delaware limited liability company ("New Raptor"). Pursuant to the Contribution Agreement, Raptor and its subsidiaries and BCP Raptor Holdco GP, LLC, a Delaware limited liability company and the general partner of Raptor ("Raptor GP"), will become wholly owned subsidiaries of the Partnership in exchange for 50,000,000 newly issued units representing a limited partner interest in the Partnership and a corresponding number of newly issued shares of Class C common stock of the Issuer, on the terms and subject to the conditions of the Contribution Agreement.
(2) (continued from footnote 1) The foregoing description of the Contribution Agreement does not purport to be complete and is qualified in its entirety by reference to the full text thereof.
(3) In connection with the Contribution Agreement, Issuer, Raptor, New Raptor, Apache Midstream LLC, a Delaware limited liability company ("Apache Midstream"), and solely for purposes of Section 6.1, APA Corporation, a Delaware corporation, entered into a voting and support agreement (the "Voting Agreement"), pursuant to which, among other things, Apache Midstream agreed, among other things and subject to certain limitations and exceptions, to vote all shares of common stock of the Issuer (the "Common Stock") beneficially owned by Apache Midstream in favor of the adoption of the Contribution Agreement and any other matters necessary for consummation of the transactions contemplated thereby and granted to Raptor an irrevocable proxy to vote all such shares of Common Stock in accordance with the foregoing. The foregoing description of the Voting Agreement does not purport to be complete and is qualified in its entirety by reference to the full text thereof.
(4) On January 11, 2022, Apache Midstream redeemed 12,500,000 shares of Class C common stock and units in the Partnership for an equivalent number of shares of Class A common stock.
(5) Raptor is the sole member of New Raptor. Raptor GP is the general partner of Raptor. BCP Raptor Manager LLC is the controlling member of Raptor GP. Blackstone Energy Management Associates II L.L.C. and Blackstone Management Associates VII L.L.C. are the managing members of BCP Raptor Manager LLC. Blackstone EMA II L.L.C. is the sole member of Blackstone Energy Management Associates II L.L.C. BMA VII L.L.C. is the sole member of Blackstone Management Associates VII L.L.C. Blackstone Holdings III L.P. is the managing member of each of BMA VII L.L.C. and Blackstone EMA II L.L.C. 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. is the sole member of Blackstone Holdings III GP Management L.L.C.
(6) (continued from footnote 5) The sole holder of the Series II preferred stock of Blackstone Inc. is Blackstone Group Management L.L.C. Blackstone Group Management L.L.C. is wholly-owned by Blackstone Inc.'s senior managing directors and controlled by its founder, Stephen A. Schwarzman.
(7) The Reporting Persons are filing this statement solely because, as a result of the Voting Agreement, the Reporting Persons may be deemed to share beneficial ownership, for purposes of Section 13(d) of the Securities Exchange Act of 1934, as amended (the "Act"), of the shares of Common Stock that are subject to the Voting Agreement. Neither the filing of this statement nor any of its content shall be deemed to constitute an admission by any of the Reporting Persons that it is the beneficial owner of shares of Common Stock for purposes of Sections 13(d) or 16 of the Act or for any other purpose. The Reporting Persons do not have any pecuniary interest (as defined in Rule 16a-1(a)(2) under the Act) in any of the shares of Common Stock subject to the Voting Agreement and expressly disclaim beneficial ownership of such shares.

Remarks:
Due to limitations of the electronic filing system certain Reporting Persons are filing a separate Form 3.
Reporting Owners
Reporting Owner Name / Address
Relationships
Director10% OwnerOfficerOther
Blackstone Holdings III L.P.
C/O BLACKSTONE INC.
345 PARK AVENUE
NEW YORK, NY 10154
X

Blackstone Holdings III GP L.P.
C/O BLACKSTONE INC.
345 PARK AVENUE
NEW YORK, NY 10154
X

Blackstone Holdings III GP Management L.L.C.
C/O BLACKSTONE INC.
345 PARK AVENUE
NEW YORK, NY 10154
X

Blackstone Inc
345 PARK AVENUE
NEW YORK, NY 10154
X

Blackstone Group Management L.L.C.
C/O BLACKSTONE INC.
345 PARK AVENUE
NEW YORK, NY 10154
X

SCHWARZMAN STEPHEN A
C/O BLACKSTONE INC.
345 PARK AVENUE
NEW YORK, NY 10154
X
Signatures
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 Director1/21/2022
**Signature of Reporting PersonDate

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 Director1/21/2022
**Signature of Reporting PersonDate

Blackstone Holdings III GP Management L.L.C., By: /s/ Tabea Hsi, Name: Tabea Hsi, Title: Senior Managing Director1/21/2022
**Signature of Reporting PersonDate

Blackstone Inc., By: /s/ Tabea Hsi, Name: Tabea Hsi, Title: Senior Managing Director1/21/2022
**Signature of Reporting PersonDate

Blackstone Group Management L.L.C., By: /s/ Tabea Hsi, Name: Tabea Hsi, Title: Senior Managing Director1/21/2022
**Signature of Reporting PersonDate

Stephen A. Schwarzman, By: /s/ Stephen A. Schwarzman, Name: Stephen A. Schwarzman1/21/2022
**Signature of Reporting PersonDate
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