KNTK

SEC source: 0000950170-24-117873 · ownership.xml · derivative · entry 4

Welch Jamie · CIK 0001579251 · Director · See Remarks

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 24,382

Underlying: Class A Common Stock · 3 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · security: Consideration Allocation Rights refer to the right of a holder thereof to receive on February 25, 2025 and February 25, 2026, or an earlier settlement date as described in the Consideration Allocation Agreement (the "Allocation Agreement"), dated as of February 22, 2022, by and among the Issuer and certain stockholders, on a one-for-one basis, additional shares of Class A Common Stock originally issued as consideration in connection with the transactions under the Contribution Agreement (the "Contribution Agreement"), dated October 21, 2021, by and among the Issuer, Kinetik Holdings LP, BCP Raptor Holdco, LP and New BCP Raptor Holdco, LLC, to the extent such shares of Class A Common Stock originally issued as consideration are forfeited by the original holders. Class A Common Stock or any other class or series of capital stock of the Issuer will be issued pursuant to Consideration Allocation Rights solely to the extent a corresponding forfeiture of specified shares has occurred.

F1 · derivative.exercise_price: Consideration Allocation Rights refer to the right of a holder thereof to receive on February 25, 2025 and February 25, 2026, or an earlier settlement date as described in the Consideration Allocation Agreement (the "Allocation Agreement"), dated as of February 22, 2022, by and among the Issuer and certain stockholders, on a one-for-one basis, additional shares of Class A Common Stock originally issued as consideration in connection with the transactions under the Contribution Agreement (the "Contribution Agreement"), dated October 21, 2021, by and among the Issuer, Kinetik Holdings LP, BCP Raptor Holdco, LP and New BCP Raptor Holdco, LLC, to the extent such shares of Class A Common Stock originally issued as consideration are forfeited by the original holders. Class A Common Stock or any other class or series of capital stock of the Issuer will be issued pursuant to Consideration Allocation Rights solely to the extent a corresponding forfeiture of specified shares has occurred.

F2 · kind: On October 24, 2024, the Reporting Person received shares of Class A Common Stock in settlement of Consideration Allocation Rights pursuant to the Allocation Agreement.

F1 · price: Consideration Allocation Rights refer to the right of a holder thereof to receive on February 25, 2025 and February 25, 2026, or an earlier settlement date as described in the Consideration Allocation Agreement (the "Allocation Agreement"), dated as of February 22, 2022, by and among the Issuer and certain stockholders, on a one-for-one basis, additional shares of Class A Common Stock originally issued as consideration in connection with the transactions under the Contribution Agreement (the "Contribution Agreement"), dated October 21, 2021, by and among the Issuer, Kinetik Holdings LP, BCP Raptor Holdco, LP and New BCP Raptor Holdco, LLC, to the extent such shares of Class A Common Stock originally issued as consideration are forfeited by the original holders. Class A Common Stock or any other class or series of capital stock of the Issuer will be issued pursuant to Consideration Allocation Rights solely to the extent a corresponding forfeiture of specified shares has occurred.

F1 · derivative.exercise_date: Consideration Allocation Rights refer to the right of a holder thereof to receive on February 25, 2025 and February 25, 2026, or an earlier settlement date as described in the Consideration Allocation Agreement (the "Allocation Agreement"), dated as of February 22, 2022, by and among the Issuer and certain stockholders, on a one-for-one basis, additional shares of Class A Common Stock originally issued as consideration in connection with the transactions under the Contribution Agreement (the "Contribution Agreement"), dated October 21, 2021, by and among the Issuer, Kinetik Holdings LP, BCP Raptor Holdco, LP and New BCP Raptor Holdco, LLC, to the extent such shares of Class A Common Stock originally issued as consideration are forfeited by the original holders. Class A Common Stock or any other class or series of capital stock of the Issuer will be issued pursuant to Consideration Allocation Rights solely to the extent a corresponding forfeiture of specified shares has occurred.

F1 · derivative.expiration_date: Consideration Allocation Rights refer to the right of a holder thereof to receive on February 25, 2025 and February 25, 2026, or an earlier settlement date as described in the Consideration Allocation Agreement (the "Allocation Agreement"), dated as of February 22, 2022, by and among the Issuer and certain stockholders, on a one-for-one basis, additional shares of Class A Common Stock originally issued as consideration in connection with the transactions under the Contribution Agreement (the "Contribution Agreement"), dated October 21, 2021, by and among the Issuer, Kinetik Holdings LP, BCP Raptor Holdco, LP and New BCP Raptor Holdco, LLC, to the extent such shares of Class A Common Stock originally issued as consideration are forfeited by the original holders. Class A Common Stock or any other class or series of capital stock of the Issuer will be issued pursuant to Consideration Allocation Rights solely to the extent a corresponding forfeiture of specified shares has occurred.

SEC source: 0000950170-24-117873 · ownership.xml · nonDerivative · entry 1

Welch Jamie · CIK 0001579251 · Director · See Remarks

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 3,604,483

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F2 · kind: On October 24, 2024, the Reporting Person received shares of Class A Common Stock in settlement of Consideration Allocation Rights pursuant to the Allocation Agreement.

F1 · price: Consideration Allocation Rights refer to the right of a holder thereof to receive on February 25, 2025 and February 25, 2026, or an earlier settlement date as described in the Consideration Allocation Agreement (the "Allocation Agreement"), dated as of February 22, 2022, by and among the Issuer and certain stockholders, on a one-for-one basis, additional shares of Class A Common Stock originally issued as consideration in connection with the transactions under the Contribution Agreement (the "Contribution Agreement"), dated October 21, 2021, by and among the Issuer, Kinetik Holdings LP, BCP Raptor Holdco, LP and New BCP Raptor Holdco, LLC, to the extent such shares of Class A Common Stock originally issued as consideration are forfeited by the original holders. Class A Common Stock or any other class or series of capital stock of the Issuer will be issued pursuant to Consideration Allocation Rights solely to the extent a corresponding forfeiture of specified shares has occurred.

F4 · balance_after: Includes an additional 5,252 shares of Class A Common Stock acquired since the date of the Reporting Person's last Form 4 pursuant to the Company's DRIP, which acquisitions were exempt from Section 16 pursuant to Rule 16a-11 under the Securities Exchange Act of 1934, as amended.

SEC source: 0000950170-24-117876 · ownership.xml · derivative · entry 4

Blackstone Holdings III L.P. · CIK 0001404073 · 10% owner

Blackstone Holdings III GP L.P. · CIK 0001478809 · 10% owner

Blackstone Holdings III GP Management L.L.C. · CIK 0001478815 · 10% owner

Blackstone Inc. · CIK 0001393818 · 10% owner

Blackstone Group Management L.L.C. · CIK 0001404071 · 10% owner

SCHWARZMAN STEPHEN A · CIK 0001070844 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnotes

Disclosed balance after: 534,789

Underlying: Class A Common Stock · 78 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · security: Consideration Allocation Rights refer to the right of a holder thereof to receive on February 25, 2025 and February 25, 2026, or an earlier settlement date as described in the Consideration Allocation Agreement (the "Allocation Agreement"), dated as of February 22, 2022, by and among the Issuer and certain stockholders, on a one-for-one basis, additional shares of Class A Common Stock originally issued as consideration in connection with the transactions under the Contribution Agreement (the "Contribution Agreement"), dated October 21, 2021, by and among the Issuer, Kinetik Holdings LP, BCP Raptor Holdco, LP and New BCP Raptor Holdco, LLC, to the extent such shares of Class A Common Stock originally issued as consideration are forfeited by the original holders. Class A Common Stock or any other class or series of capital stock of the Issuer will be issued pursuant to Consideration Allocation Rights solely to the extent a corresponding forfeiture of specified shares has occurred.

F1 · derivative.exercise_price: Consideration Allocation Rights refer to the right of a holder thereof to receive on February 25, 2025 and February 25, 2026, or an earlier settlement date as described in the Consideration Allocation Agreement (the "Allocation Agreement"), dated as of February 22, 2022, by and among the Issuer and certain stockholders, on a one-for-one basis, additional shares of Class A Common Stock originally issued as consideration in connection with the transactions under the Contribution Agreement (the "Contribution Agreement"), dated October 21, 2021, by and among the Issuer, Kinetik Holdings LP, BCP Raptor Holdco, LP and New BCP Raptor Holdco, LLC, to the extent such shares of Class A Common Stock originally issued as consideration are forfeited by the original holders. Class A Common Stock or any other class or series of capital stock of the Issuer will be issued pursuant to Consideration Allocation Rights solely to the extent a corresponding forfeiture of specified shares has occurred.

F2 · kind: On October 24, 2024, certain Reporting Persons received shares of Class A Common Stock in settlement of Consideration Allocation Rights pursuant to the Allocation Agreement.

F1 · derivative.exercise_date: Consideration Allocation Rights refer to the right of a holder thereof to receive on February 25, 2025 and February 25, 2026, or an earlier settlement date as described in the Consideration Allocation Agreement (the "Allocation Agreement"), dated as of February 22, 2022, by and among the Issuer and certain stockholders, on a one-for-one basis, additional shares of Class A Common Stock originally issued as consideration in connection with the transactions under the Contribution Agreement (the "Contribution Agreement"), dated October 21, 2021, by and among the Issuer, Kinetik Holdings LP, BCP Raptor Holdco, LP and New BCP Raptor Holdco, LLC, to the extent such shares of Class A Common Stock originally issued as consideration are forfeited by the original holders. Class A Common Stock or any other class or series of capital stock of the Issuer will be issued pursuant to Consideration Allocation Rights solely to the extent a corresponding forfeiture of specified shares has occurred.

F1 · derivative.expiration_date: Consideration Allocation Rights refer to the right of a holder thereof to receive on February 25, 2025 and February 25, 2026, or an earlier settlement date as described in the Consideration Allocation Agreement (the "Allocation Agreement"), dated as of February 22, 2022, by and among the Issuer and certain stockholders, on a one-for-one basis, additional shares of Class A Common Stock originally issued as consideration in connection with the transactions under the Contribution Agreement (the "Contribution Agreement"), dated October 21, 2021, by and among the Issuer, Kinetik Holdings LP, BCP Raptor Holdco, LP and New BCP Raptor Holdco, LLC, to the extent such shares of Class A Common Stock originally issued as consideration are forfeited by the original holders. Class A Common Stock or any other class or series of capital stock of the Issuer will be issued pursuant to Consideration Allocation Rights solely to the extent a corresponding forfeiture of specified shares has occurred.

F4 · ownership.nature: These securities are owned directly by BX Permian Pipeline Aggregator LP.

F5 · ownership.nature: BCP VII/BEP II Holdings Manager L.L.C. is the general partner of each of BCP Raptor Aggregator, LP and BX Permian Pipeline Aggregator LP. Blackstone Energy Management Associates II L.L.C. and Blackstone Management Associates VII L.L.C. are the managing members of BCP VII/BEP II Holdings Manager L.L.C. 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 GP III 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.

F6 · ownership.nature: (continued from footnote 7) 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.

F7 · ownership.nature: Due to limitations of the electronic filing system certain Reporting Persons are filing a separate Form 4.

F8 · ownership.nature: 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.

F9 · ownership.nature: 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.

SEC source: 0000950170-24-117876 · ownership.xml · derivative · entry 3

Blackstone Holdings III L.P. · CIK 0001404073 · 10% owner

Blackstone Holdings III GP L.P. · CIK 0001478809 · 10% owner

Blackstone Holdings III GP Management L.L.C. · CIK 0001478815 · 10% owner

Blackstone Inc. · CIK 0001393818 · 10% owner

Blackstone Group Management L.L.C. · CIK 0001404071 · 10% owner

SCHWARZMAN STEPHEN A · CIK 0001070844 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnotes

Disclosed balance after: 3,311,346

Underlying: Class A Common Stock · 481 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · security: Consideration Allocation Rights refer to the right of a holder thereof to receive on February 25, 2025 and February 25, 2026, or an earlier settlement date as described in the Consideration Allocation Agreement (the "Allocation Agreement"), dated as of February 22, 2022, by and among the Issuer and certain stockholders, on a one-for-one basis, additional shares of Class A Common Stock originally issued as consideration in connection with the transactions under the Contribution Agreement (the "Contribution Agreement"), dated October 21, 2021, by and among the Issuer, Kinetik Holdings LP, BCP Raptor Holdco, LP and New BCP Raptor Holdco, LLC, to the extent such shares of Class A Common Stock originally issued as consideration are forfeited by the original holders. Class A Common Stock or any other class or series of capital stock of the Issuer will be issued pursuant to Consideration Allocation Rights solely to the extent a corresponding forfeiture of specified shares has occurred.

F1 · derivative.exercise_price: Consideration Allocation Rights refer to the right of a holder thereof to receive on February 25, 2025 and February 25, 2026, or an earlier settlement date as described in the Consideration Allocation Agreement (the "Allocation Agreement"), dated as of February 22, 2022, by and among the Issuer and certain stockholders, on a one-for-one basis, additional shares of Class A Common Stock originally issued as consideration in connection with the transactions under the Contribution Agreement (the "Contribution Agreement"), dated October 21, 2021, by and among the Issuer, Kinetik Holdings LP, BCP Raptor Holdco, LP and New BCP Raptor Holdco, LLC, to the extent such shares of Class A Common Stock originally issued as consideration are forfeited by the original holders. Class A Common Stock or any other class or series of capital stock of the Issuer will be issued pursuant to Consideration Allocation Rights solely to the extent a corresponding forfeiture of specified shares has occurred.

F2 · kind: On October 24, 2024, certain Reporting Persons received shares of Class A Common Stock in settlement of Consideration Allocation Rights pursuant to the Allocation Agreement.

F1 · derivative.exercise_date: Consideration Allocation Rights refer to the right of a holder thereof to receive on February 25, 2025 and February 25, 2026, or an earlier settlement date as described in the Consideration Allocation Agreement (the "Allocation Agreement"), dated as of February 22, 2022, by and among the Issuer and certain stockholders, on a one-for-one basis, additional shares of Class A Common Stock originally issued as consideration in connection with the transactions under the Contribution Agreement (the "Contribution Agreement"), dated October 21, 2021, by and among the Issuer, Kinetik Holdings LP, BCP Raptor Holdco, LP and New BCP Raptor Holdco, LLC, to the extent such shares of Class A Common Stock originally issued as consideration are forfeited by the original holders. Class A Common Stock or any other class or series of capital stock of the Issuer will be issued pursuant to Consideration Allocation Rights solely to the extent a corresponding forfeiture of specified shares has occurred.

F1 · derivative.expiration_date: Consideration Allocation Rights refer to the right of a holder thereof to receive on February 25, 2025 and February 25, 2026, or an earlier settlement date as described in the Consideration Allocation Agreement (the "Allocation Agreement"), dated as of February 22, 2022, by and among the Issuer and certain stockholders, on a one-for-one basis, additional shares of Class A Common Stock originally issued as consideration in connection with the transactions under the Contribution Agreement (the "Contribution Agreement"), dated October 21, 2021, by and among the Issuer, Kinetik Holdings LP, BCP Raptor Holdco, LP and New BCP Raptor Holdco, LLC, to the extent such shares of Class A Common Stock originally issued as consideration are forfeited by the original holders. Class A Common Stock or any other class or series of capital stock of the Issuer will be issued pursuant to Consideration Allocation Rights solely to the extent a corresponding forfeiture of specified shares has occurred.

F3 · ownership.nature: These securities are owned directly by BCP Raptor Aggregator, LP.

F5 · ownership.nature: BCP VII/BEP II Holdings Manager L.L.C. is the general partner of each of BCP Raptor Aggregator, LP and BX Permian Pipeline Aggregator LP. Blackstone Energy Management Associates II L.L.C. and Blackstone Management Associates VII L.L.C. are the managing members of BCP VII/BEP II Holdings Manager L.L.C. 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 GP III 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.

F6 · ownership.nature: (continued from footnote 7) 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.

F7 · ownership.nature: Due to limitations of the electronic filing system certain Reporting Persons are filing a separate Form 4.

F8 · ownership.nature: 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.

F9 · ownership.nature: 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.

SEC source: 0000950170-24-117876 · ownership.xml · nonDerivative · entry 2

Blackstone Holdings III L.P. · CIK 0001404073 · 10% owner

Blackstone Holdings III GP L.P. · CIK 0001478809 · 10% owner

Blackstone Holdings III GP Management L.L.C. · CIK 0001478815 · 10% owner

Blackstone Inc. · CIK 0001393818 · 10% owner

Blackstone Group Management L.L.C. · CIK 0001404071 · 10% owner

SCHWARZMAN STEPHEN A · CIK 0001070844 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnotes

Disclosed balance after: 1,658,066

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F2 · kind: On October 24, 2024, certain Reporting Persons received shares of Class A Common Stock in settlement of Consideration Allocation Rights pursuant to the Allocation Agreement.

F1 · price: Consideration Allocation Rights refer to the right of a holder thereof to receive on February 25, 2025 and February 25, 2026, or an earlier settlement date as described in the Consideration Allocation Agreement (the "Allocation Agreement"), dated as of February 22, 2022, by and among the Issuer and certain stockholders, on a one-for-one basis, additional shares of Class A Common Stock originally issued as consideration in connection with the transactions under the Contribution Agreement (the "Contribution Agreement"), dated October 21, 2021, by and among the Issuer, Kinetik Holdings LP, BCP Raptor Holdco, LP and New BCP Raptor Holdco, LLC, to the extent such shares of Class A Common Stock originally issued as consideration are forfeited by the original holders. Class A Common Stock or any other class or series of capital stock of the Issuer will be issued pursuant to Consideration Allocation Rights solely to the extent a corresponding forfeiture of specified shares has occurred.

F4 · ownership.nature: These securities are owned directly by BX Permian Pipeline Aggregator LP.

F5 · ownership.nature: BCP VII/BEP II Holdings Manager L.L.C. is the general partner of each of BCP Raptor Aggregator, LP and BX Permian Pipeline Aggregator LP. Blackstone Energy Management Associates II L.L.C. and Blackstone Management Associates VII L.L.C. are the managing members of BCP VII/BEP II Holdings Manager L.L.C. 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 GP III 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.

F6 · ownership.nature: (continued from footnote 7) 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.

F7 · ownership.nature: Due to limitations of the electronic filing system certain Reporting Persons are filing a separate Form 4.

F8 · ownership.nature: 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.

F9 · ownership.nature: 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.

SEC source: 0000950170-24-117876 · ownership.xml · nonDerivative · entry 1

Blackstone Holdings III L.P. · CIK 0001404073 · 10% owner

Blackstone Holdings III GP L.P. · CIK 0001478809 · 10% owner

Blackstone Holdings III GP Management L.L.C. · CIK 0001478815 · 10% owner

Blackstone Inc. · CIK 0001393818 · 10% owner

Blackstone Group Management L.L.C. · CIK 0001404071 · 10% owner

SCHWARZMAN STEPHEN A · CIK 0001070844 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnotes

Disclosed balance after: 10,256,208

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F2 · kind: On October 24, 2024, certain Reporting Persons received shares of Class A Common Stock in settlement of Consideration Allocation Rights pursuant to the Allocation Agreement.

F1 · price: Consideration Allocation Rights refer to the right of a holder thereof to receive on February 25, 2025 and February 25, 2026, or an earlier settlement date as described in the Consideration Allocation Agreement (the "Allocation Agreement"), dated as of February 22, 2022, by and among the Issuer and certain stockholders, on a one-for-one basis, additional shares of Class A Common Stock originally issued as consideration in connection with the transactions under the Contribution Agreement (the "Contribution Agreement"), dated October 21, 2021, by and among the Issuer, Kinetik Holdings LP, BCP Raptor Holdco, LP and New BCP Raptor Holdco, LLC, to the extent such shares of Class A Common Stock originally issued as consideration are forfeited by the original holders. Class A Common Stock or any other class or series of capital stock of the Issuer will be issued pursuant to Consideration Allocation Rights solely to the extent a corresponding forfeiture of specified shares has occurred.

F3 · ownership.nature: These securities are owned directly by BCP Raptor Aggregator, LP.

F5 · ownership.nature: BCP VII/BEP II Holdings Manager L.L.C. is the general partner of each of BCP Raptor Aggregator, LP and BX Permian Pipeline Aggregator LP. Blackstone Energy Management Associates II L.L.C. and Blackstone Management Associates VII L.L.C. are the managing members of BCP VII/BEP II Holdings Manager L.L.C. 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 GP III 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.

F6 · ownership.nature: (continued from footnote 7) 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.

F7 · ownership.nature: Due to limitations of the electronic filing system certain Reporting Persons are filing a separate Form 4.

F8 · ownership.nature: 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.

F9 · ownership.nature: 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.

SEC source: 0000950170-24-063112 · ownership.xml · nonDerivative · entry 1

LELAND D MARK · CIK 0001174722 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 19,722

F1 · shares: Represents a fully vested award of restricted stock units ("RSUs") that may be settled only for shares of common stock on a one-for-one basis. Pursuant to the reporting person's election under the Kinetik Holdings Inc. Amended and Restated 2019 Omnibus Compensation Plan, as amended from time to time (the "Plan"), settlement of such vested RSUs has been deferred until the reporting person's termination from service with Kinetik Holdings Inc. (the "Company").

F2 · shares: While the RSUs remain outstanding, the reporting person will be entitled to receive an amount equal to the dividends that would have been paid on the RSUs had they been in the form of common stock except that such amount will (a) be subject to the terms and conditions of the Company's Dividend Reinvestment Plan, as amended from time to time (the "DRIP"), and (b) be immediately vested in full and paid to the reporting person in accordance with the DRIP at the time elected by the reporting person pursuant to the reporting person's election under the Plan, as described in Note 1 above.

F3 · balance_after: Amount reported includes 353 additional RSUs acquired by the reporting person since the date of the reporting person's last Form 5 in connection with the reinvestment of dividends described herein.

SEC source: 0000950170-24-063114 · ownership.xml · nonDerivative · entry 1

ORDEMANN WILLIAM · CIK 0001183245 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 3,909

F1 · shares: Represents a fully vested award of restricted stock units ("RSUs") that may be settled only for shares of common stock on a one-for-one basis. Pursuant to the reporting person's election under the Kinetik Holdings Inc. Amended and Restated 2019 Omnibus Compensation Plan, as amended from time to time (the "Plan"), settlement of such vested RSUs has been deferred until the earliest to occur of a Change of Control (as defined in the Plan), the reporting person's termination from service with Kinetik Holdings Inc. (the "Company"), or January 1, 2027

F2 · shares: While the RSUs remain outstanding, the reporting person will be entitled to receive an amount equal to the dividends that would have been paid on the RSUs had they been in the form of common stock except that such amount will (a) be subject to the terms and conditions of the Company's Dividend Reinvestment Plan, as amended from time to time (the "DRIP"), and (b) be immediately vested in full and paid to the reporting person in accordance with the DRIP at the time elected by the reporting person pursuant to the reporting person's election under the Plan, as described in Note 1 above.

F3 · balance_after: Amount reported includes 8 additional RSUs acquired by the reporting person since the date of the reporting person's last Form 4 in connection with the reinvestment of dividends described herein.

SEC source: 0000950170-24-063115 · ownership.xml · nonDerivative · entry 1

McCarthy Kevin S · CIK 0001304183 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 103,357

SEC source: 0000950170-24-063113 · ownership.xml · nonDerivative · entry 1

SUGG LAURA A · CIK 0001476334 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 62,459

F1 · shares: Represents a fully vested award of restricted stock units ("RSUs") that may be settled only for shares of common stock on a one-for-one basis. Pursuant to the reporting person's election under the Kinetik Holdings Inc. Amended and Restated 2019 Omnibus Compensation Plan, as amended from time to time (the "Plan"), settlement of such vested RSUs has been deferred until the earliest to occur of a Change of Control (as defined in the Plan) or the termination of the reporting person's service relationship with Kinetik Holdings Inc. (the "Company").

F2 · shares: While the RSUs remain outstanding, the reporting person will be entitled to receive an amount equal to the dividends that would have been paid on the RSUs had they been in the form of common stock except that such amount will (a) be subject to the terms and conditions of the Company's Dividend Reinvestment Plan, as amended from time to time (the "DRIP"), and (b) be immediately vested in full and paid to the reporting person in accordance with the DRIP at the time elected by the reporting person pursuant to the reporting person's election under the Plan, as described in Note 1 above.

F3 · balance_after: Amount reported includes 353 additional RSUs and 2,044 shares of Class A Common stock acquired by the reporting person since the date of the reporting person's last Form 5 in connection with the reinvestment of dividends described herein.

SEC source: 0000950170-24-063116 · ownership.xml · nonDerivative · entry 1

Byers Deborah L · CIK 0001935696 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 11,500

F1 · shares: Represents a fully vested award of restricted stock units ("RSUs") that may be settled only for shares of common stock on a one-for-one basis. Pursuant to the reporting person's election under the Kinetik Holdings Inc. Amended and Restated 2019 Omnibus Compensation Plan, as amended from time to time (the "Plan"), settlement of such vested RSUs has been deferred until the termination of the reporting person's service relationship with Kinetik Holdings Inc. (the "Company").

F2 · shares: While the RSUs remain outstanding, the reporting person will be entitled to receive an amount equal to the dividends that would have been paid on the RSUs had they been in the form of common stock except that such amount will (a) be subject to the terms and conditions of the Company's Dividend Reinvestment Plan, as amended from time to time (the "DRIP"), and (b) be immediately vested in full and paid to the reporting person in accordance with the DRIP at the time elected by the reporting person pursuant to the reporting person's election under the Plan, as described in Note 1 above.

F3 · balance_after: Amount reported includes 326 additional RSUs acquired by the reporting person since the date of the reporting person's last Form 5 in connection with the reinvestment of dividends described herein.

SEC source: 0000950170-24-049917 · ownership.xml · derivative · entry 4

BCP Raptor Aggregator L.P. · CIK 0001891960 · 10% owner

BX Permian Pipeline Aggregator LP · CIK 0001913508 · 10% owner

BCP VII/BEP II Holdings Manager L.L.C. · CIK 0001886209 · Former 10% Owner

Blackstone Energy Management Associates II L.L.C. · CIK 0001700376 · Former 10% Owner

Blackstone EMA II L.L.C. · CIK 0001700375 · Former 10% Owner

Blackstone Management Associates VII L.L.C. · CIK 0001700377 · Former 10% Owner

BMA VII L.L.C. · CIK 0001700374 · Former 10% Owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnotes

Disclosed balance after: 534,867

Underlying: Class A Common Stock · 78 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · security: Consideration Allocation Rights refer to the right of a holder thereof to receive on February 25, 2025 and February 25, 2026, or an earlier settlement date as described in the Consideration Allocation Agreement (the "Allocation Agreement"), dated as of February 22, 2022, by and among the Issuer and certain stockholders, on a one-for-one basis, additional shares of Class A Common Stock originally issued as consideration in connection with the transactions under the Contribution Agreement (the "Contribution Agreement"), dated October 21, 2021, by and among the Issuer, Kinetik Holdings LP, BCP Raptor Holdco, LP and New BCP Raptor Holdco, LLC, to the extent such shares of Class A Common Stock originally issued as consideration are forfeited by the original holders. Class A Common Stock or any other class or series of capital stock of the Issuer will be issued pursuant to Consideration Allocation Rights solely to the extent a corresponding forfeiture of specified shares has occurred.

F1 · derivative.exercise_price: Consideration Allocation Rights refer to the right of a holder thereof to receive on February 25, 2025 and February 25, 2026, or an earlier settlement date as described in the Consideration Allocation Agreement (the "Allocation Agreement"), dated as of February 22, 2022, by and among the Issuer and certain stockholders, on a one-for-one basis, additional shares of Class A Common Stock originally issued as consideration in connection with the transactions under the Contribution Agreement (the "Contribution Agreement"), dated October 21, 2021, by and among the Issuer, Kinetik Holdings LP, BCP Raptor Holdco, LP and New BCP Raptor Holdco, LLC, to the extent such shares of Class A Common Stock originally issued as consideration are forfeited by the original holders. Class A Common Stock or any other class or series of capital stock of the Issuer will be issued pursuant to Consideration Allocation Rights solely to the extent a corresponding forfeiture of specified shares has occurred.

F2 · kind: On April 25, 2024, certain Reporting Persons received shares of Class A Common Stock in settlement of Consideration Allocation Rights pursuant to the Allocation Agreement.

F1 · derivative.exercise_date: Consideration Allocation Rights refer to the right of a holder thereof to receive on February 25, 2025 and February 25, 2026, or an earlier settlement date as described in the Consideration Allocation Agreement (the "Allocation Agreement"), dated as of February 22, 2022, by and among the Issuer and certain stockholders, on a one-for-one basis, additional shares of Class A Common Stock originally issued as consideration in connection with the transactions under the Contribution Agreement (the "Contribution Agreement"), dated October 21, 2021, by and among the Issuer, Kinetik Holdings LP, BCP Raptor Holdco, LP and New BCP Raptor Holdco, LLC, to the extent such shares of Class A Common Stock originally issued as consideration are forfeited by the original holders. Class A Common Stock or any other class or series of capital stock of the Issuer will be issued pursuant to Consideration Allocation Rights solely to the extent a corresponding forfeiture of specified shares has occurred.

F1 · derivative.expiration_date: Consideration Allocation Rights refer to the right of a holder thereof to receive on February 25, 2025 and February 25, 2026, or an earlier settlement date as described in the Consideration Allocation Agreement (the "Allocation Agreement"), dated as of February 22, 2022, by and among the Issuer and certain stockholders, on a one-for-one basis, additional shares of Class A Common Stock originally issued as consideration in connection with the transactions under the Contribution Agreement (the "Contribution Agreement"), dated October 21, 2021, by and among the Issuer, Kinetik Holdings LP, BCP Raptor Holdco, LP and New BCP Raptor Holdco, LLC, to the extent such shares of Class A Common Stock originally issued as consideration are forfeited by the original holders. Class A Common Stock or any other class or series of capital stock of the Issuer will be issued pursuant to Consideration Allocation Rights solely to the extent a corresponding forfeiture of specified shares has occurred.

F6 · ownership.nature: These securities are owned directly by BX Permian Pipeline Aggregator LP.

F7 · ownership.nature: BCP VII/BEP II Holdings Manager L.L.C. is the general partner of each of BCP Raptor Aggregator, LP and BX Permian Pipeline Aggregator LP. Blackstone Energy Management Associates II L.L.C. and Blackstone Management Associates VII L.L.C. are the managing members of BCP VII/BEP II Holdings Manager L.L.C. 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 GP III 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.

F8 · ownership.nature: (continued from footnote 7) 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.

F9 · ownership.nature: Due to limitations of the electronic filing system certain Reporting Persons are filing a separate Form 4.

F10 · ownership.nature: 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.

F11 · ownership.nature: 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.

SEC source: 0000950170-24-049917 · ownership.xml · derivative · entry 3

BCP Raptor Aggregator L.P. · CIK 0001891960 · 10% owner

BX Permian Pipeline Aggregator LP · CIK 0001913508 · 10% owner

BCP VII/BEP II Holdings Manager L.L.C. · CIK 0001886209 · Former 10% Owner

Blackstone Energy Management Associates II L.L.C. · CIK 0001700376 · Former 10% Owner

Blackstone EMA II L.L.C. · CIK 0001700375 · Former 10% Owner

Blackstone Management Associates VII L.L.C. · CIK 0001700377 · Former 10% Owner

BMA VII L.L.C. · CIK 0001700374 · Former 10% Owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnotes

Disclosed balance after: 3,311,827

Underlying: Class A Common Stock · 481 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · security: Consideration Allocation Rights refer to the right of a holder thereof to receive on February 25, 2025 and February 25, 2026, or an earlier settlement date as described in the Consideration Allocation Agreement (the "Allocation Agreement"), dated as of February 22, 2022, by and among the Issuer and certain stockholders, on a one-for-one basis, additional shares of Class A Common Stock originally issued as consideration in connection with the transactions under the Contribution Agreement (the "Contribution Agreement"), dated October 21, 2021, by and among the Issuer, Kinetik Holdings LP, BCP Raptor Holdco, LP and New BCP Raptor Holdco, LLC, to the extent such shares of Class A Common Stock originally issued as consideration are forfeited by the original holders. Class A Common Stock or any other class or series of capital stock of the Issuer will be issued pursuant to Consideration Allocation Rights solely to the extent a corresponding forfeiture of specified shares has occurred.

F1 · derivative.exercise_price: Consideration Allocation Rights refer to the right of a holder thereof to receive on February 25, 2025 and February 25, 2026, or an earlier settlement date as described in the Consideration Allocation Agreement (the "Allocation Agreement"), dated as of February 22, 2022, by and among the Issuer and certain stockholders, on a one-for-one basis, additional shares of Class A Common Stock originally issued as consideration in connection with the transactions under the Contribution Agreement (the "Contribution Agreement"), dated October 21, 2021, by and among the Issuer, Kinetik Holdings LP, BCP Raptor Holdco, LP and New BCP Raptor Holdco, LLC, to the extent such shares of Class A Common Stock originally issued as consideration are forfeited by the original holders. Class A Common Stock or any other class or series of capital stock of the Issuer will be issued pursuant to Consideration Allocation Rights solely to the extent a corresponding forfeiture of specified shares has occurred.

F2 · kind: On April 25, 2024, certain Reporting Persons received shares of Class A Common Stock in settlement of Consideration Allocation Rights pursuant to the Allocation Agreement.

F1 · derivative.exercise_date: Consideration Allocation Rights refer to the right of a holder thereof to receive on February 25, 2025 and February 25, 2026, or an earlier settlement date as described in the Consideration Allocation Agreement (the "Allocation Agreement"), dated as of February 22, 2022, by and among the Issuer and certain stockholders, on a one-for-one basis, additional shares of Class A Common Stock originally issued as consideration in connection with the transactions under the Contribution Agreement (the "Contribution Agreement"), dated October 21, 2021, by and among the Issuer, Kinetik Holdings LP, BCP Raptor Holdco, LP and New BCP Raptor Holdco, LLC, to the extent such shares of Class A Common Stock originally issued as consideration are forfeited by the original holders. Class A Common Stock or any other class or series of capital stock of the Issuer will be issued pursuant to Consideration Allocation Rights solely to the extent a corresponding forfeiture of specified shares has occurred.

F1 · derivative.expiration_date: Consideration Allocation Rights refer to the right of a holder thereof to receive on February 25, 2025 and February 25, 2026, or an earlier settlement date as described in the Consideration Allocation Agreement (the "Allocation Agreement"), dated as of February 22, 2022, by and among the Issuer and certain stockholders, on a one-for-one basis, additional shares of Class A Common Stock originally issued as consideration in connection with the transactions under the Contribution Agreement (the "Contribution Agreement"), dated October 21, 2021, by and among the Issuer, Kinetik Holdings LP, BCP Raptor Holdco, LP and New BCP Raptor Holdco, LLC, to the extent such shares of Class A Common Stock originally issued as consideration are forfeited by the original holders. Class A Common Stock or any other class or series of capital stock of the Issuer will be issued pursuant to Consideration Allocation Rights solely to the extent a corresponding forfeiture of specified shares has occurred.

F5 · ownership.nature: These securities are owned directly by BCP Raptor Aggregator, LP.

F7 · ownership.nature: BCP VII/BEP II Holdings Manager L.L.C. is the general partner of each of BCP Raptor Aggregator, LP and BX Permian Pipeline Aggregator LP. Blackstone Energy Management Associates II L.L.C. and Blackstone Management Associates VII L.L.C. are the managing members of BCP VII/BEP II Holdings Manager L.L.C. 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 GP III 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.

F8 · ownership.nature: (continued from footnote 7) 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.

F9 · ownership.nature: Due to limitations of the electronic filing system certain Reporting Persons are filing a separate Form 4.

F10 · ownership.nature: 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.

F11 · ownership.nature: 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.

SEC source: 0000950170-24-049917 · ownership.xml · nonDerivative · entry 2

BCP Raptor Aggregator L.P. · CIK 0001891960 · 10% owner

BX Permian Pipeline Aggregator LP · CIK 0001913508 · 10% owner

BCP VII/BEP II Holdings Manager L.L.C. · CIK 0001886209 · Former 10% Owner

Blackstone Energy Management Associates II L.L.C. · CIK 0001700376 · Former 10% Owner

Blackstone EMA II L.L.C. · CIK 0001700375 · Former 10% Owner

Blackstone Management Associates VII L.L.C. · CIK 0001700377 · Former 10% Owner

BMA VII L.L.C. · CIK 0001700374 · Former 10% Owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnotes

Disclosed balance after: 1,657,988

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F2 · kind: On April 25, 2024, certain Reporting Persons received shares of Class A Common Stock in settlement of Consideration Allocation Rights pursuant to the Allocation Agreement.

F1 · price: Consideration Allocation Rights refer to the right of a holder thereof to receive on February 25, 2025 and February 25, 2026, or an earlier settlement date as described in the Consideration Allocation Agreement (the "Allocation Agreement"), dated as of February 22, 2022, by and among the Issuer and certain stockholders, on a one-for-one basis, additional shares of Class A Common Stock originally issued as consideration in connection with the transactions under the Contribution Agreement (the "Contribution Agreement"), dated October 21, 2021, by and among the Issuer, Kinetik Holdings LP, BCP Raptor Holdco, LP and New BCP Raptor Holdco, LLC, to the extent such shares of Class A Common Stock originally issued as consideration are forfeited by the original holders. Class A Common Stock or any other class or series of capital stock of the Issuer will be issued pursuant to Consideration Allocation Rights solely to the extent a corresponding forfeiture of specified shares has occurred.

F4 · balance_after: Includes an additional 400,204 shares acquired by BX Permian Pipeline Aggregator LP since the date of the Reporting Persons' last Form 4 pursuant to the Company's Dividend and Distribution Reinvestment Plan, which acquisitions were exempt from Section 16 pursuant to Rule 16a-11 under the Securities Exchange Act of 1934, as amended.

F6 · ownership.nature: These securities are owned directly by BX Permian Pipeline Aggregator LP.

F7 · ownership.nature: BCP VII/BEP II Holdings Manager L.L.C. is the general partner of each of BCP Raptor Aggregator, LP and BX Permian Pipeline Aggregator LP. Blackstone Energy Management Associates II L.L.C. and Blackstone Management Associates VII L.L.C. are the managing members of BCP VII/BEP II Holdings Manager L.L.C. 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 GP III 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.

F8 · ownership.nature: (continued from footnote 7) 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.

F9 · ownership.nature: Due to limitations of the electronic filing system certain Reporting Persons are filing a separate Form 4.

F10 · ownership.nature: 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.

F11 · ownership.nature: 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.

SEC source: 0000950170-24-049917 · ownership.xml · nonDerivative · entry 1

BCP Raptor Aggregator L.P. · CIK 0001891960 · 10% owner

BX Permian Pipeline Aggregator LP · CIK 0001913508 · 10% owner

BCP VII/BEP II Holdings Manager L.L.C. · CIK 0001886209 · Former 10% Owner

Blackstone Energy Management Associates II L.L.C. · CIK 0001700376 · Former 10% Owner

Blackstone EMA II L.L.C. · CIK 0001700375 · Former 10% Owner

Blackstone Management Associates VII L.L.C. · CIK 0001700377 · Former 10% Owner

BMA VII L.L.C. · CIK 0001700374 · Former 10% Owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnotes

Disclosed balance after: 10,255,727

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F2 · kind: On April 25, 2024, certain Reporting Persons received shares of Class A Common Stock in settlement of Consideration Allocation Rights pursuant to the Allocation Agreement.

F1 · price: Consideration Allocation Rights refer to the right of a holder thereof to receive on February 25, 2025 and February 25, 2026, or an earlier settlement date as described in the Consideration Allocation Agreement (the "Allocation Agreement"), dated as of February 22, 2022, by and among the Issuer and certain stockholders, on a one-for-one basis, additional shares of Class A Common Stock originally issued as consideration in connection with the transactions under the Contribution Agreement (the "Contribution Agreement"), dated October 21, 2021, by and among the Issuer, Kinetik Holdings LP, BCP Raptor Holdco, LP and New BCP Raptor Holdco, LLC, to the extent such shares of Class A Common Stock originally issued as consideration are forfeited by the original holders. Class A Common Stock or any other class or series of capital stock of the Issuer will be issued pursuant to Consideration Allocation Rights solely to the extent a corresponding forfeiture of specified shares has occurred.

F3 · balance_after: Includes an additional 2,475,508 shares acquired by BCP Raptor Aggregator, LP since the date of the Reporting Persons' last Form 4 pursuant to the Company's Dividend and Distribution Reinvestment Plan, which acquisitions were exempt from Section 16 pursuant to Rule 16a-11 under the Securities Exchange Act of 1934, as amended.

F5 · ownership.nature: These securities are owned directly by BCP Raptor Aggregator, LP.

F7 · ownership.nature: BCP VII/BEP II Holdings Manager L.L.C. is the general partner of each of BCP Raptor Aggregator, LP and BX Permian Pipeline Aggregator LP. Blackstone Energy Management Associates II L.L.C. and Blackstone Management Associates VII L.L.C. are the managing members of BCP VII/BEP II Holdings Manager L.L.C. 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 GP III 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.

F8 · ownership.nature: (continued from footnote 7) 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.

F9 · ownership.nature: Due to limitations of the electronic filing system certain Reporting Persons are filing a separate Form 4.

F10 · ownership.nature: 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.

F11 · ownership.nature: 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.

SEC source: 0000950170-24-049943 · ownership.xml · derivative · entry 4

Welch Jamie · CIK 0001579251 · Director · See Remarks

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 24,385

Underlying: Class A Common Stock · 3 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · security: Consideration Allocation Rights refer to the right of a holder thereof to receive on February 25, 2025 and February 25, 2026, or an earlier settlement date as described in the Consideration Allocation Agreement (the "Allocation Agreement"), dated as of February 22, 2022, by and among the Issuer and certain stockholders, on a one-for-one basis, additional shares of Class A Common Stock originally issued as consideration in connection with the transactions under the Contribution Agreement (the "Contribution Agreement"), dated October 21, 2021, by and among the Issuer, Kinetik Holdings LP, BCP Raptor Holdco, LP and New BCP Raptor Holdco, LLC, to the extent such shares of Class A Common Stock originally issued as consideration are forfeited by the original holders. Class A Common Stock or any other class or series of capital stock of the Issuer will be issued pursuant to Consideration Allocation Rights solely to the extent a corresponding forfeiture of specified shares has occurred.

F1 · derivative.exercise_price: Consideration Allocation Rights refer to the right of a holder thereof to receive on February 25, 2025 and February 25, 2026, or an earlier settlement date as described in the Consideration Allocation Agreement (the "Allocation Agreement"), dated as of February 22, 2022, by and among the Issuer and certain stockholders, on a one-for-one basis, additional shares of Class A Common Stock originally issued as consideration in connection with the transactions under the Contribution Agreement (the "Contribution Agreement"), dated October 21, 2021, by and among the Issuer, Kinetik Holdings LP, BCP Raptor Holdco, LP and New BCP Raptor Holdco, LLC, to the extent such shares of Class A Common Stock originally issued as consideration are forfeited by the original holders. Class A Common Stock or any other class or series of capital stock of the Issuer will be issued pursuant to Consideration Allocation Rights solely to the extent a corresponding forfeiture of specified shares has occurred.

F2 · kind: On April 25, 2024, the Reporting Person received shares of Class A Common Stock in settlement of Consideration Allocation Rights pursuant to the Allocation Agreement.

F1 · price: Consideration Allocation Rights refer to the right of a holder thereof to receive on February 25, 2025 and February 25, 2026, or an earlier settlement date as described in the Consideration Allocation Agreement (the "Allocation Agreement"), dated as of February 22, 2022, by and among the Issuer and certain stockholders, on a one-for-one basis, additional shares of Class A Common Stock originally issued as consideration in connection with the transactions under the Contribution Agreement (the "Contribution Agreement"), dated October 21, 2021, by and among the Issuer, Kinetik Holdings LP, BCP Raptor Holdco, LP and New BCP Raptor Holdco, LLC, to the extent such shares of Class A Common Stock originally issued as consideration are forfeited by the original holders. Class A Common Stock or any other class or series of capital stock of the Issuer will be issued pursuant to Consideration Allocation Rights solely to the extent a corresponding forfeiture of specified shares has occurred.

F1 · derivative.exercise_date: Consideration Allocation Rights refer to the right of a holder thereof to receive on February 25, 2025 and February 25, 2026, or an earlier settlement date as described in the Consideration Allocation Agreement (the "Allocation Agreement"), dated as of February 22, 2022, by and among the Issuer and certain stockholders, on a one-for-one basis, additional shares of Class A Common Stock originally issued as consideration in connection with the transactions under the Contribution Agreement (the "Contribution Agreement"), dated October 21, 2021, by and among the Issuer, Kinetik Holdings LP, BCP Raptor Holdco, LP and New BCP Raptor Holdco, LLC, to the extent such shares of Class A Common Stock originally issued as consideration are forfeited by the original holders. Class A Common Stock or any other class or series of capital stock of the Issuer will be issued pursuant to Consideration Allocation Rights solely to the extent a corresponding forfeiture of specified shares has occurred.

F1 · derivative.expiration_date: Consideration Allocation Rights refer to the right of a holder thereof to receive on February 25, 2025 and February 25, 2026, or an earlier settlement date as described in the Consideration Allocation Agreement (the "Allocation Agreement"), dated as of February 22, 2022, by and among the Issuer and certain stockholders, on a one-for-one basis, additional shares of Class A Common Stock originally issued as consideration in connection with the transactions under the Contribution Agreement (the "Contribution Agreement"), dated October 21, 2021, by and among the Issuer, Kinetik Holdings LP, BCP Raptor Holdco, LP and New BCP Raptor Holdco, LLC, to the extent such shares of Class A Common Stock originally issued as consideration are forfeited by the original holders. Class A Common Stock or any other class or series of capital stock of the Issuer will be issued pursuant to Consideration Allocation Rights solely to the extent a corresponding forfeiture of specified shares has occurred.

SEC source: 0000950170-24-049943 · ownership.xml · nonDerivative · entry 1

Welch Jamie · CIK 0001579251 · Director · See Remarks

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 3,599,228

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F2 · kind: On April 25, 2024, the Reporting Person received shares of Class A Common Stock in settlement of Consideration Allocation Rights pursuant to the Allocation Agreement.

F1 · price: Consideration Allocation Rights refer to the right of a holder thereof to receive on February 25, 2025 and February 25, 2026, or an earlier settlement date as described in the Consideration Allocation Agreement (the "Allocation Agreement"), dated as of February 22, 2022, by and among the Issuer and certain stockholders, on a one-for-one basis, additional shares of Class A Common Stock originally issued as consideration in connection with the transactions under the Contribution Agreement (the "Contribution Agreement"), dated October 21, 2021, by and among the Issuer, Kinetik Holdings LP, BCP Raptor Holdco, LP and New BCP Raptor Holdco, LLC, to the extent such shares of Class A Common Stock originally issued as consideration are forfeited by the original holders. Class A Common Stock or any other class or series of capital stock of the Issuer will be issued pursuant to Consideration Allocation Rights solely to the extent a corresponding forfeiture of specified shares has occurred.

SEC source: 0000905148-24-001218 · form4.xml · derivative · entry 2

ISQ Global Fund II GP LLC · CIK 0001904934 · 10% owner

I Squared Capital, LLC · CIK 0001904404 · 10% owner

ISQ Holdings, LLC · CIK 0001904413 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Indirect · See Explanation of Responses

Disclosed balance after: 1,600,633

Underlying: Class A Common Stock · 234 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: Securities issued pursuant to and in connection with a contribution agreement (the "Contribution Agreement"), dated October 21, 2021, by and among Kinetik Holdings Inc., a Delaware corporation (f/k/a Altus Midstream Company, the "Issuer"), Kinetik Holdings LP, a Delaware limited partnership (f/k/a Altus Midstream LP, the "Partnership"), BCP Raptor Holdco, LP, a Delaware limited partnership, and New BCP Raptor Holdco, LLC, a Delaware limited liability company.

F2 · derivative.exercise_price: The term "Consideration Allocation Rights" refers to the right of a holder to receive, on a one-for-one basis, additional shares of Class A Common Stock originally issued as consideration in connection with the transactions under the Contribution Agreement, to the extent such shares of Class A Common Stock originally issued as consideration are forfeited by the original holders thereof (as described in footnote 3 below). Class A Common Stock or any other class or series of capital stock of the Issuer will be issued pursuant to Consideration Allocation Rights solely to the extent a corresponding forfeiture of specified shares has occurred.

F3 · derivative.exercise_price: Forfeiture may occur as follows: (i) with respect to 395,416 shares of Class A Common Stock, if Buzzard Midstream LLC and its affiliates receive less than $882,887,056.14 in cash proceeds from transfers of Partnership Common Units, Class C Common Stock and/or Class A Common Stock effected by February 25, 2028, and (ii) with respect to the remaining Consideration Allocation Rights, due to termination of service or employment by February 25, 2025 or February 25, 2026.

F1 · derivative.exercise_date: Securities issued pursuant to and in connection with a contribution agreement (the "Contribution Agreement"), dated October 21, 2021, by and among Kinetik Holdings Inc., a Delaware corporation (f/k/a Altus Midstream Company, the "Issuer"), Kinetik Holdings LP, a Delaware limited partnership (f/k/a Altus Midstream LP, the "Partnership"), BCP Raptor Holdco, LP, a Delaware limited partnership, and New BCP Raptor Holdco, LLC, a Delaware limited liability company.

F2 · derivative.exercise_date: The term "Consideration Allocation Rights" refers to the right of a holder to receive, on a one-for-one basis, additional shares of Class A Common Stock originally issued as consideration in connection with the transactions under the Contribution Agreement, to the extent such shares of Class A Common Stock originally issued as consideration are forfeited by the original holders thereof (as described in footnote 3 below). Class A Common Stock or any other class or series of capital stock of the Issuer will be issued pursuant to Consideration Allocation Rights solely to the extent a corresponding forfeiture of specified shares has occurred.

F3 · derivative.exercise_date: Forfeiture may occur as follows: (i) with respect to 395,416 shares of Class A Common Stock, if Buzzard Midstream LLC and its affiliates receive less than $882,887,056.14 in cash proceeds from transfers of Partnership Common Units, Class C Common Stock and/or Class A Common Stock effected by February 25, 2028, and (ii) with respect to the remaining Consideration Allocation Rights, due to termination of service or employment by February 25, 2025 or February 25, 2026.

F1 · derivative.expiration_date: Securities issued pursuant to and in connection with a contribution agreement (the "Contribution Agreement"), dated October 21, 2021, by and among Kinetik Holdings Inc., a Delaware corporation (f/k/a Altus Midstream Company, the "Issuer"), Kinetik Holdings LP, a Delaware limited partnership (f/k/a Altus Midstream LP, the "Partnership"), BCP Raptor Holdco, LP, a Delaware limited partnership, and New BCP Raptor Holdco, LLC, a Delaware limited liability company.

F2 · derivative.expiration_date: The term "Consideration Allocation Rights" refers to the right of a holder to receive, on a one-for-one basis, additional shares of Class A Common Stock originally issued as consideration in connection with the transactions under the Contribution Agreement, to the extent such shares of Class A Common Stock originally issued as consideration are forfeited by the original holders thereof (as described in footnote 3 below). Class A Common Stock or any other class or series of capital stock of the Issuer will be issued pursuant to Consideration Allocation Rights solely to the extent a corresponding forfeiture of specified shares has occurred.

F3 · derivative.expiration_date: Forfeiture may occur as follows: (i) with respect to 395,416 shares of Class A Common Stock, if Buzzard Midstream LLC and its affiliates receive less than $882,887,056.14 in cash proceeds from transfers of Partnership Common Units, Class C Common Stock and/or Class A Common Stock effected by February 25, 2028, and (ii) with respect to the remaining Consideration Allocation Rights, due to termination of service or employment by February 25, 2025 or February 25, 2026.

F5 · ownership.nature: The securities are directly held by Buzzard Midstream LLC. ISQ Global Fund II GP, LLC ("Fund II GP") is the general partner of the members of the indirect owners of Buzzard Midstream LLC and, in such capacity, exercises voting and investment power over the securities directly held by Buzzard Midstream LLC. I Squared Capital, LLC ("I Squared Capital") is the sole member of Fund II GP. ISQ Holdings, LLC ("ISQ Holdings") is the managing member of I Squared Capital. Each of Sadek Magdi Wahba, Gautam Bhandari and Adil Rahmathulla is a member of ISQ Holdings but, in reliance on the "rule of three", disclaim beneficial ownership over the shares of Class A Common Stock reported herein as beneficially owned by the Reporting Persons.

SEC source: 0000905148-24-001218 · form4.xml · nonDerivative · entry 1

ISQ Global Fund II GP LLC · CIK 0001904934 · 10% owner

I Squared Capital, LLC · CIK 0001904404 · 10% owner

ISQ Holdings, LLC · CIK 0001904413 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Indirect · See Explanation of Responses

Disclosed balance after: 4,996,717

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · price: Securities issued pursuant to and in connection with a contribution agreement (the "Contribution Agreement"), dated October 21, 2021, by and among Kinetik Holdings Inc., a Delaware corporation (f/k/a Altus Midstream Company, the "Issuer"), Kinetik Holdings LP, a Delaware limited partnership (f/k/a Altus Midstream LP, the "Partnership"), BCP Raptor Holdco, LP, a Delaware limited partnership, and New BCP Raptor Holdco, LLC, a Delaware limited liability company.

F2 · price: The term "Consideration Allocation Rights" refers to the right of a holder to receive, on a one-for-one basis, additional shares of Class A Common Stock originally issued as consideration in connection with the transactions under the Contribution Agreement, to the extent such shares of Class A Common Stock originally issued as consideration are forfeited by the original holders thereof (as described in footnote 3 below). Class A Common Stock or any other class or series of capital stock of the Issuer will be issued pursuant to Consideration Allocation Rights solely to the extent a corresponding forfeiture of specified shares has occurred.

F3 · price: Forfeiture may occur as follows: (i) with respect to 395,416 shares of Class A Common Stock, if Buzzard Midstream LLC and its affiliates receive less than $882,887,056.14 in cash proceeds from transfers of Partnership Common Units, Class C Common Stock and/or Class A Common Stock effected by February 25, 2028, and (ii) with respect to the remaining Consideration Allocation Rights, due to termination of service or employment by February 25, 2025 or February 25, 2026.

F4 · balance_after: This number includes 601,038 shares of Class A Common Stock and 605,064 shares of Class A Common Stock acquired on November 22, 2023 and March 7, 2024, respectively, under the Company's Dividend Reinvestment Plan. These transactions were exempt from reporting under Section 16(a) of the Exchange Act pursuant to Rule 16a-11 thereunder.

F5 · ownership.nature: The securities are directly held by Buzzard Midstream LLC. ISQ Global Fund II GP, LLC ("Fund II GP") is the general partner of the members of the indirect owners of Buzzard Midstream LLC and, in such capacity, exercises voting and investment power over the securities directly held by Buzzard Midstream LLC. I Squared Capital, LLC ("I Squared Capital") is the sole member of Fund II GP. ISQ Holdings, LLC ("ISQ Holdings") is the managing member of I Squared Capital. Each of Sadek Magdi Wahba, Gautam Bhandari and Adil Rahmathulla is a member of ISQ Holdings but, in reliance on the "rule of three", disclaim beneficial ownership over the shares of Class A Common Stock reported herein as beneficially owned by the Reporting Persons.

SEC source: 0000950170-24-049949 · ownership.xml · derivative · entry 4

Blackstone Holdings III L.P. · CIK 0001404073 · 10% owner

Blackstone Holdings III GP L.P. · CIK 0001478809 · 10% owner

Blackstone Holdings III GP Management L.L.C. · CIK 0001478815 · 10% owner

Blackstone Inc. · CIK 0001393818 · 10% owner

Blackstone Group Management L.L.C. · CIK 0001404071 · 10% owner

SCHWARZMAN STEPHEN A · CIK 0001070844 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnotes

Disclosed balance after: 534,867

Underlying: Class A Common Stock · 78 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · security: Consideration Allocation Rights refer to the right of a holder thereof to receive on February 25, 2025 and February 25, 2026, or an earlier settlement date as described in the Consideration Allocation Agreement (the "Allocation Agreement"), dated as of February 22, 2022, by and among the Issuer and certain stockholders, on a one-for-one basis, additional shares of Class A Common Stock originally issued as consideration in connection with the transactions under the Contribution Agreement (the "Contribution Agreement"), dated October 21, 2021, by and among the Issuer, Kinetik Holdings LP, BCP Raptor Holdco, LP and New BCP Raptor Holdco, LLC, to the extent such shares of Class A Common Stock originally issued as consideration are forfeited by the original holders. Class A Common Stock or any other class or series of capital stock of the Issuer will be issued pursuant to Consideration Allocation Rights solely to the extent a corresponding forfeiture of specified shares has occurred.

F1 · derivative.exercise_price: Consideration Allocation Rights refer to the right of a holder thereof to receive on February 25, 2025 and February 25, 2026, or an earlier settlement date as described in the Consideration Allocation Agreement (the "Allocation Agreement"), dated as of February 22, 2022, by and among the Issuer and certain stockholders, on a one-for-one basis, additional shares of Class A Common Stock originally issued as consideration in connection with the transactions under the Contribution Agreement (the "Contribution Agreement"), dated October 21, 2021, by and among the Issuer, Kinetik Holdings LP, BCP Raptor Holdco, LP and New BCP Raptor Holdco, LLC, to the extent such shares of Class A Common Stock originally issued as consideration are forfeited by the original holders. Class A Common Stock or any other class or series of capital stock of the Issuer will be issued pursuant to Consideration Allocation Rights solely to the extent a corresponding forfeiture of specified shares has occurred.

F2 · kind: On April 25, 2024, certain Reporting Persons received shares of Class A Common Stock in settlement of Consideration Allocation Rights pursuant to the Allocation Agreement.

F1 · derivative.exercise_date: Consideration Allocation Rights refer to the right of a holder thereof to receive on February 25, 2025 and February 25, 2026, or an earlier settlement date as described in the Consideration Allocation Agreement (the "Allocation Agreement"), dated as of February 22, 2022, by and among the Issuer and certain stockholders, on a one-for-one basis, additional shares of Class A Common Stock originally issued as consideration in connection with the transactions under the Contribution Agreement (the "Contribution Agreement"), dated October 21, 2021, by and among the Issuer, Kinetik Holdings LP, BCP Raptor Holdco, LP and New BCP Raptor Holdco, LLC, to the extent such shares of Class A Common Stock originally issued as consideration are forfeited by the original holders. Class A Common Stock or any other class or series of capital stock of the Issuer will be issued pursuant to Consideration Allocation Rights solely to the extent a corresponding forfeiture of specified shares has occurred.

F1 · derivative.expiration_date: Consideration Allocation Rights refer to the right of a holder thereof to receive on February 25, 2025 and February 25, 2026, or an earlier settlement date as described in the Consideration Allocation Agreement (the "Allocation Agreement"), dated as of February 22, 2022, by and among the Issuer and certain stockholders, on a one-for-one basis, additional shares of Class A Common Stock originally issued as consideration in connection with the transactions under the Contribution Agreement (the "Contribution Agreement"), dated October 21, 2021, by and among the Issuer, Kinetik Holdings LP, BCP Raptor Holdco, LP and New BCP Raptor Holdco, LLC, to the extent such shares of Class A Common Stock originally issued as consideration are forfeited by the original holders. Class A Common Stock or any other class or series of capital stock of the Issuer will be issued pursuant to Consideration Allocation Rights solely to the extent a corresponding forfeiture of specified shares has occurred.

F6 · ownership.nature: These securities are owned directly by BX Permian Pipeline Aggregator LP.

F7 · ownership.nature: BCP VII/BEP II Holdings Manager L.L.C. is the general partner of each of BCP Raptor Aggregator, LP and BX Permian Pipeline Aggregator LP. Blackstone Energy Management Associates II L.L.C. and Blackstone Management Associates VII L.L.C. are the managing members of BCP VII/BEP II Holdings Manager L.L.C. 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 GP III 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.

F8 · ownership.nature: (continued from footnote 7) 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.

F9 · ownership.nature: Due to limitations of the electronic filing system certain Reporting Persons are filing a separate Form 4.

F10 · ownership.nature: 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.

F11 · ownership.nature: 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.

SEC source: 0000950170-24-049949 · ownership.xml · derivative · entry 3

Blackstone Holdings III L.P. · CIK 0001404073 · 10% owner

Blackstone Holdings III GP L.P. · CIK 0001478809 · 10% owner

Blackstone Holdings III GP Management L.L.C. · CIK 0001478815 · 10% owner

Blackstone Inc. · CIK 0001393818 · 10% owner

Blackstone Group Management L.L.C. · CIK 0001404071 · 10% owner

SCHWARZMAN STEPHEN A · CIK 0001070844 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnotes

Disclosed balance after: 3,311,827

Underlying: Class A Common Stock · 481 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · security: Consideration Allocation Rights refer to the right of a holder thereof to receive on February 25, 2025 and February 25, 2026, or an earlier settlement date as described in the Consideration Allocation Agreement (the "Allocation Agreement"), dated as of February 22, 2022, by and among the Issuer and certain stockholders, on a one-for-one basis, additional shares of Class A Common Stock originally issued as consideration in connection with the transactions under the Contribution Agreement (the "Contribution Agreement"), dated October 21, 2021, by and among the Issuer, Kinetik Holdings LP, BCP Raptor Holdco, LP and New BCP Raptor Holdco, LLC, to the extent such shares of Class A Common Stock originally issued as consideration are forfeited by the original holders. Class A Common Stock or any other class or series of capital stock of the Issuer will be issued pursuant to Consideration Allocation Rights solely to the extent a corresponding forfeiture of specified shares has occurred.

F1 · derivative.exercise_price: Consideration Allocation Rights refer to the right of a holder thereof to receive on February 25, 2025 and February 25, 2026, or an earlier settlement date as described in the Consideration Allocation Agreement (the "Allocation Agreement"), dated as of February 22, 2022, by and among the Issuer and certain stockholders, on a one-for-one basis, additional shares of Class A Common Stock originally issued as consideration in connection with the transactions under the Contribution Agreement (the "Contribution Agreement"), dated October 21, 2021, by and among the Issuer, Kinetik Holdings LP, BCP Raptor Holdco, LP and New BCP Raptor Holdco, LLC, to the extent such shares of Class A Common Stock originally issued as consideration are forfeited by the original holders. Class A Common Stock or any other class or series of capital stock of the Issuer will be issued pursuant to Consideration Allocation Rights solely to the extent a corresponding forfeiture of specified shares has occurred.

F2 · kind: On April 25, 2024, certain Reporting Persons received shares of Class A Common Stock in settlement of Consideration Allocation Rights pursuant to the Allocation Agreement.

F1 · derivative.exercise_date: Consideration Allocation Rights refer to the right of a holder thereof to receive on February 25, 2025 and February 25, 2026, or an earlier settlement date as described in the Consideration Allocation Agreement (the "Allocation Agreement"), dated as of February 22, 2022, by and among the Issuer and certain stockholders, on a one-for-one basis, additional shares of Class A Common Stock originally issued as consideration in connection with the transactions under the Contribution Agreement (the "Contribution Agreement"), dated October 21, 2021, by and among the Issuer, Kinetik Holdings LP, BCP Raptor Holdco, LP and New BCP Raptor Holdco, LLC, to the extent such shares of Class A Common Stock originally issued as consideration are forfeited by the original holders. Class A Common Stock or any other class or series of capital stock of the Issuer will be issued pursuant to Consideration Allocation Rights solely to the extent a corresponding forfeiture of specified shares has occurred.

F1 · derivative.expiration_date: Consideration Allocation Rights refer to the right of a holder thereof to receive on February 25, 2025 and February 25, 2026, or an earlier settlement date as described in the Consideration Allocation Agreement (the "Allocation Agreement"), dated as of February 22, 2022, by and among the Issuer and certain stockholders, on a one-for-one basis, additional shares of Class A Common Stock originally issued as consideration in connection with the transactions under the Contribution Agreement (the "Contribution Agreement"), dated October 21, 2021, by and among the Issuer, Kinetik Holdings LP, BCP Raptor Holdco, LP and New BCP Raptor Holdco, LLC, to the extent such shares of Class A Common Stock originally issued as consideration are forfeited by the original holders. Class A Common Stock or any other class or series of capital stock of the Issuer will be issued pursuant to Consideration Allocation Rights solely to the extent a corresponding forfeiture of specified shares has occurred.

F5 · ownership.nature: These securities are owned directly by BCP Raptor Aggregator, LP.

F7 · ownership.nature: BCP VII/BEP II Holdings Manager L.L.C. is the general partner of each of BCP Raptor Aggregator, LP and BX Permian Pipeline Aggregator LP. Blackstone Energy Management Associates II L.L.C. and Blackstone Management Associates VII L.L.C. are the managing members of BCP VII/BEP II Holdings Manager L.L.C. 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 GP III 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.

F8 · ownership.nature: (continued from footnote 7) 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.

F9 · ownership.nature: Due to limitations of the electronic filing system certain Reporting Persons are filing a separate Form 4.

F10 · ownership.nature: 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.

F11 · ownership.nature: 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.

SEC source: 0000950170-24-049949 · ownership.xml · nonDerivative · entry 2

Blackstone Holdings III L.P. · CIK 0001404073 · 10% owner

Blackstone Holdings III GP L.P. · CIK 0001478809 · 10% owner

Blackstone Holdings III GP Management L.L.C. · CIK 0001478815 · 10% owner

Blackstone Inc. · CIK 0001393818 · 10% owner

Blackstone Group Management L.L.C. · CIK 0001404071 · 10% owner

SCHWARZMAN STEPHEN A · CIK 0001070844 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnotes

Disclosed balance after: 1,657,988

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F2 · kind: On April 25, 2024, certain Reporting Persons received shares of Class A Common Stock in settlement of Consideration Allocation Rights pursuant to the Allocation Agreement.

F1 · price: Consideration Allocation Rights refer to the right of a holder thereof to receive on February 25, 2025 and February 25, 2026, or an earlier settlement date as described in the Consideration Allocation Agreement (the "Allocation Agreement"), dated as of February 22, 2022, by and among the Issuer and certain stockholders, on a one-for-one basis, additional shares of Class A Common Stock originally issued as consideration in connection with the transactions under the Contribution Agreement (the "Contribution Agreement"), dated October 21, 2021, by and among the Issuer, Kinetik Holdings LP, BCP Raptor Holdco, LP and New BCP Raptor Holdco, LLC, to the extent such shares of Class A Common Stock originally issued as consideration are forfeited by the original holders. Class A Common Stock or any other class or series of capital stock of the Issuer will be issued pursuant to Consideration Allocation Rights solely to the extent a corresponding forfeiture of specified shares has occurred.

F4 · balance_after: Includes an additional 400,204 shares acquired by BX Permian Pipeline Aggregator LP since the date of the Reporting Persons' last Form 4 pursuant to the Company's Dividend and Distribution Reinvestment Plan, which acquisitions were exempt from Section 16 pursuant to Rule 16a-11 under the Securities Exchange Act of 1934, as amended.

F6 · ownership.nature: These securities are owned directly by BX Permian Pipeline Aggregator LP.

F7 · ownership.nature: BCP VII/BEP II Holdings Manager L.L.C. is the general partner of each of BCP Raptor Aggregator, LP and BX Permian Pipeline Aggregator LP. Blackstone Energy Management Associates II L.L.C. and Blackstone Management Associates VII L.L.C. are the managing members of BCP VII/BEP II Holdings Manager L.L.C. 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 GP III 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.

F8 · ownership.nature: (continued from footnote 7) 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.

F9 · ownership.nature: Due to limitations of the electronic filing system certain Reporting Persons are filing a separate Form 4.

F10 · ownership.nature: 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.

F11 · ownership.nature: 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.

SEC source: 0000950170-24-049949 · ownership.xml · nonDerivative · entry 1

Blackstone Holdings III L.P. · CIK 0001404073 · 10% owner

Blackstone Holdings III GP L.P. · CIK 0001478809 · 10% owner

Blackstone Holdings III GP Management L.L.C. · CIK 0001478815 · 10% owner

Blackstone Inc. · CIK 0001393818 · 10% owner

Blackstone Group Management L.L.C. · CIK 0001404071 · 10% owner

SCHWARZMAN STEPHEN A · CIK 0001070844 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnotes

Disclosed balance after: 10,255,727

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F2 · kind: On April 25, 2024, certain Reporting Persons received shares of Class A Common Stock in settlement of Consideration Allocation Rights pursuant to the Allocation Agreement.

F1 · price: Consideration Allocation Rights refer to the right of a holder thereof to receive on February 25, 2025 and February 25, 2026, or an earlier settlement date as described in the Consideration Allocation Agreement (the "Allocation Agreement"), dated as of February 22, 2022, by and among the Issuer and certain stockholders, on a one-for-one basis, additional shares of Class A Common Stock originally issued as consideration in connection with the transactions under the Contribution Agreement (the "Contribution Agreement"), dated October 21, 2021, by and among the Issuer, Kinetik Holdings LP, BCP Raptor Holdco, LP and New BCP Raptor Holdco, LLC, to the extent such shares of Class A Common Stock originally issued as consideration are forfeited by the original holders. Class A Common Stock or any other class or series of capital stock of the Issuer will be issued pursuant to Consideration Allocation Rights solely to the extent a corresponding forfeiture of specified shares has occurred.

F3 · balance_after: Includes an additional 2,475,508 shares acquired by BCP Raptor Aggregator, LP since the date of the Reporting Persons' last Form 4 pursuant to the Company's Dividend and Distribution Reinvestment Plan, which acquisitions were exempt from Section 16 pursuant to Rule 16a-11 under the Securities Exchange Act of 1934, as amended.

F5 · ownership.nature: These securities are owned directly by BCP Raptor Aggregator, LP.

F7 · ownership.nature: BCP VII/BEP II Holdings Manager L.L.C. is the general partner of each of BCP Raptor Aggregator, LP and BX Permian Pipeline Aggregator LP. Blackstone Energy Management Associates II L.L.C. and Blackstone Management Associates VII L.L.C. are the managing members of BCP VII/BEP II Holdings Manager L.L.C. 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 GP III 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.

F8 · ownership.nature: (continued from footnote 7) 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.

F9 · ownership.nature: Due to limitations of the electronic filing system certain Reporting Persons are filing a separate Form 4.

F10 · ownership.nature: 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.

F11 · ownership.nature: 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.

SEC source: 0000950170-24-041964 · ownership.xml · nonDerivative · entry 1

ORDEMANN WILLIAM · CIK 0001183245 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 413

F1 · shares: Represents a fully vested award of restricted stock units ("RSUs") that may be settled only for shares of common stock on a one-for-one basis. Pursuant to the reporting person's election under the Kinetik Holdings Inc. 2019 Omnibus Compensation Plan, as amended from time to time (the "Plan"), settlement of such vested RSUs has been deferred until the earliest to occur of a Change of Control (as defined in the Plan), the reporting person's termination from service with Kinetik Holdings Inc. (the "Company"), or January 1, 2027.

F2 · shares: While the RSUs remain outstanding, an amount equal to the dividends that would have been paid on the RSUs had they been in the form of common stock will be reinvested into additional RSUs based on the same amount at which dividends are reinvested pursuant to the Company's Dividend Reinvestment Plan, as amended from time to time (the "DRIP"). The additional RSUs will be immediately vested in full and, pursuant to the reporting person's election under the Plan, will be settled at the same time as the initial RSUs subject to the award, as described in Note 1 above.

SEC source: 0000950170-24-038742 · ownership.xml · nonDerivative · entry 1

Wall Matthew · CIK 0001911571 · See Remarks

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 530,066

F1 · kind: Represents shares of Class A Common Stock sold by the Reporting Person to cover tax obligations.

F2 · kind: The sale of shares of Class A Common Stock by the Reporting Person was permitted under the terms of the Lock-Up Agreement, dated March 13, 2024, between the Reporting Person and each underwriter to the Underwriting Agreement (as defined therein) (the "Lock-Up Agreement") and the Reporting Person otherwise remains subject to the restrictions set forth in the Lock-Up Agreement.

F3 · price: The price reported in Column 4 is the weighted average price. These shares were bought in multiple transactions at prices ranging from $39.79 to $39.87, inclusive. The Reporting Person undertakes to provide Kinetik Holdings Inc. (the "Company"), any security holder of the Company, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares bought at each separate price within the range set forth in this footnote.

SEC source: 0000950170-24-038741 · ownership.xml · nonDerivative · entry 1

Carpenter Todd · CIK 0001601910 · See Remarks

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 271,162

F1 · kind: Represents shares of Class A Common Stock sold by the Reporting Person to cover tax obligations.

F2 · kind: The sale of shares of Class A Common Stock by the Reporting Person was permitted under the terms of the Lock-Up Agreement, dated March 13, 2024, between the Reporting Person and each underwriter to the Underwriting Agreement (as defined therein) (the "Lock-Up Agreement") and the Reporting Person otherwise remains subject to the restrictions set forth in the Lock-Up Agreement.

SEC source: 0000950170-24-036605 · ownership.xml · nonDerivative · entry 1

Howard Trevor · CIK 0001991323 · See Remarks

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 198,411

F1 · kind: Represents shares of Class A Common Stock sold by the Reporting Person to cover tax obligations.

F2 · kind: The sale of shares of Class A Common Stock by the Reporting Person was permitted under the terms of the Lock-Up Agreement, dated March 13, 2024, between the Reporting Person and each underwriter to the Underwriting Agreement (as defined therein) (the "Lock-Up Agreement") and the Reporting Person otherwise remains subject to the restrictions set forth in the Lock-Up Agreement.

F3 · price: The price reported in Column 4 is the weighted average price. These shares were bought in multiple transactions at prices ranging from $37.48 to $37.77, inclusive. The Reporting Person undertakes to provide Kinetik Holdings Inc. (the "Company"), any security holder of the Company, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares bought at each separate price within the range set forth in this footnote.

SEC source: 0000950170-24-033013 · ownership.xml · nonDerivative · entry 1

Welch Jamie · CIK 0001579251 · Director · See Remarks

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 3,599,225

F1 · shares: Represents shares of Class A common stock purchased by Mr. Welch in an underwritten public offering at the public offering price.

SEC source: 0000006769-24-000001 · wk-form4_1710943616.xml · nonDerivative · entry 1

APACHE CORP · CIK 0000006769 · 10% owner

Apache Midstream LLC · CIK 0001761165 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Indirect · See Footnote

Disclosed balance after: 0

F1 · ownership.nature: The reported securities are owned directly by Apache Midstream LLC, which is a wholly owned subsidiary of Apache Corporation.

SEC source: 0000950170-24-034304 · ownership.xml · nonDerivative · entry 1

Psencik Anne · CIK 0001911570 · See Remarks

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 254,447

F1 · kind: Represents shares of Class A Common Stock sold by the Reporting Person to cover tax obligations.

F2 · kind: The sale of shares of Class A Common Stock by the Reporting Person was permitted under the terms of the Lock-Up Agreement, dated March 13, 2024, between the Reporting Person and each underwriter to the Underwriting Agreement (as defined therein) (the "Lock-Up Agreement") and the Reporting Person otherwise remains subject to the restrictions set forth in the Lock-Up Agreement.

SEC source: 0000950170-24-030084 · ownership.xml · nonDerivative · entry 1

Howard Trevor · CIK 0001991323 · See Remarks

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 205,411

F1 · kind: The sale reported on this Form 4 represents shares sold by the Reporting Person to cover tax withholding obligations in connection with the award of vested shares in lieu of cash settlement of the annual incentive award earned by the Reporting Person for the 2023 fiscal year.

SEC source: 0000950170-24-029579 · ownership.xml · nonDerivative · entry 2

Psencik Anne · CIK 0001911570 · See Remarks

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 247,128

F2 · kind: Represents shares of Class A Common Stock sold by the Reporting Person to cover tax withholding obligations in connection with the award of vested shares in lieu of cash settlement of the annual incentive award earned by the Reporting Person for the 2023 fiscal year.

SEC source: 0000950170-24-029568 · ownership.xml · nonDerivative · entry 2

Stellato Steven · CIK 0001644123 · See Remarks

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 328,865

F2 · kind: Represents shares of Class A Common Stock sold by the Reporting Person to cover tax withholding obligations in connection with the award of vested shares in lieu of cash settlement of the annual incentive award earned by the Reporting Person for the 2023 fiscal year.

SEC source: 0000950170-24-029563 · ownership.xml · nonDerivative · entry 2

Carpenter Todd · CIK 0001601910 · See Remarks

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 253,972

F2 · kind: Represents shares of Class A Common Stock sold by the Reporting Person to cover tax withholding obligations in connection with the award of vested shares in lieu of cash settlement of the annual incentive award earned by the Reporting Person for the 2023 fiscal year.

SEC source: 0000950170-24-029555 · ownership.xml · nonDerivative · entry 2

Wall Matthew · CIK 0001911571 · See Remarks

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 511,331

F2 · kind: Represents shares of Class A Common Stock sold by the Reporting Person to cover tax withholding obligations in connection with the award of vested shares in lieu of cash settlement of the annual incentive award earned by the Reporting Person for the 2023 fiscal year.

SEC source: 0000950170-24-029584 · ownership.xml · derivative · entry 5

Welch Jamie · CIK 0001579251 · Director · See Remarks

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 50,710

Underlying: Class A Common Stock, par value $0.001 · 50,710 shares

Expires not disclosed

F6 · derivative.exercise_price: Represents an award of performance share units ("PSUs") representing a contingent right to receive one share of Class A Common Stock. Between 0% and 200% of the target number of PSUs granted, which were granted under the Plan, are eligible to vest based on continued employment and the Issuer's annualized total shareholder return over the period from January 1, 2024, through December 31, 2026.

F6 · derivative.exercise_date: Represents an award of performance share units ("PSUs") representing a contingent right to receive one share of Class A Common Stock. Between 0% and 200% of the target number of PSUs granted, which were granted under the Plan, are eligible to vest based on continued employment and the Issuer's annualized total shareholder return over the period from January 1, 2024, through December 31, 2026.

F6 · derivative.expiration_date: Represents an award of performance share units ("PSUs") representing a contingent right to receive one share of Class A Common Stock. Between 0% and 200% of the target number of PSUs granted, which were granted under the Plan, are eligible to vest based on continued employment and the Issuer's annualized total shareholder return over the period from January 1, 2024, through December 31, 2026.

SEC source: 0000950170-24-029584 · ownership.xml · nonDerivative · entry 2

Welch Jamie · CIK 0001579251 · Director · See Remarks

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 3,584,411

F2 · kind: Includes an award of restricted stock units ("RSUs") granted to the Reporting Person under the Kinetik Holdings Inc. 2019 Omnibus Compensation Plan (the "Plan") that will vest on January 1, 2027, subject to the Reporting Person's continued employment through such date, and may be settled only for shares of Class A Common Stock on a one-for-one basis.

F2 · balance_after: Includes an award of restricted stock units ("RSUs") granted to the Reporting Person under the Kinetik Holdings Inc. 2019 Omnibus Compensation Plan (the "Plan") that will vest on January 1, 2027, subject to the Reporting Person's continued employment through such date, and may be settled only for shares of Class A Common Stock on a one-for-one basis.

F3 · balance_after: Includes 70,538 shares of Class A Common Stock not previously reported pursuant to Rule 16a-11 under the Securities Exchange Act of 1934, as amended (the "Exchange Act") that were acquired by the Reporting Person under the Issuer's Dividend and Distribution Reinvestment Plan (the "DRIP") after the Reporting Person's last Form 4 filing.

SEC source: 0000950170-24-029584 · ownership.xml · nonDerivative · entry 1

Welch Jamie · CIK 0001579251 · Director · See Remarks

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 3,481,591

F1 · kind: Represents an award of fully vested shares of Class A Common Stock, par value $0.001 per share ("Class A Common Stock") of Kinetik Holding Inc. (the "Issuer") granted to the Reporting Person in lieu of cash settlement of the annual incentive award earned by the Reporting Person for the 2023 fiscal year.

F1 · balance_after: Represents an award of fully vested shares of Class A Common Stock, par value $0.001 per share ("Class A Common Stock") of Kinetik Holding Inc. (the "Issuer") granted to the Reporting Person in lieu of cash settlement of the annual incentive award earned by the Reporting Person for the 2023 fiscal year.

SEC source: 0000950170-24-029579 · ownership.xml · derivative · entry 4

Psencik Anne · CIK 0001911570 · See Remarks

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 8,067

Underlying: Class A Common Stock, par value $0.001 · 8,067 shares

Expires not disclosed

F5 · derivative.exercise_price: Represents an award of performance share units ("PSUs") representing a contingent right to receive one share of Class A Common Stock. Between 0% and 200% of the target number of PSUs granted, which were granted under the Plan, are eligible to vest based on continued employment and the Issuer's annualized total shareholder return over the period from January 1, 2024, through December 31, 2026.

F5 · derivative.exercise_date: Represents an award of performance share units ("PSUs") representing a contingent right to receive one share of Class A Common Stock. Between 0% and 200% of the target number of PSUs granted, which were granted under the Plan, are eligible to vest based on continued employment and the Issuer's annualized total shareholder return over the period from January 1, 2024, through December 31, 2026.

F5 · derivative.expiration_date: Represents an award of performance share units ("PSUs") representing a contingent right to receive one share of Class A Common Stock. Between 0% and 200% of the target number of PSUs granted, which were granted under the Plan, are eligible to vest based on continued employment and the Issuer's annualized total shareholder return over the period from January 1, 2024, through December 31, 2026.

SEC source: 0000950170-24-029579 · ownership.xml · nonDerivative · entry 3

Psencik Anne · CIK 0001911570 · See Remarks

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 266,447

F3 · kind: Represents an award of restricted stock units ("RSUs") granted to the Reporting Person under the Kinetik Holdings Inc. 2019 Omnibus Compensation Plan (the "Plan") that will vest on January 1, 2027, subject to the Reporting Person's continued employment through such date, and may be settled only for shares of Class A Common Stock on a one-for-one basis.

F3 · balance_after: Represents an award of restricted stock units ("RSUs") granted to the Reporting Person under the Kinetik Holdings Inc. 2019 Omnibus Compensation Plan (the "Plan") that will vest on January 1, 2027, subject to the Reporting Person's continued employment through such date, and may be settled only for shares of Class A Common Stock on a one-for-one basis.

F4 · balance_after: Includes 3,912 shares of Class A Common Stock not previously reported pursuant to Rule 16a-11 under the Securities Exchange Act of 1934 that were acquired under the Issuer's Dividend and Distribution Reinvestment Plan (the "DRIP") after the Reporting Person's immediately prior Form 5 filing.

SEC source: 0000950170-24-029579 · ownership.xml · nonDerivative · entry 1

Psencik Anne · CIK 0001911570 · See Remarks

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 250,310

F1 · kind: Represents an award of fully vested shares of Class A Common Stock, par value $0.001 per share ("Class A Common Stock") of Kinetik Holding Inc. (the "Issuer") granted to the Reporting Person in lieu of cash settlement of the annual incentive award earned by the Reporting Person for the 2023 fiscal year.

F1 · balance_after: Represents an award of fully vested shares of Class A Common Stock, par value $0.001 per share ("Class A Common Stock") of Kinetik Holding Inc. (the "Issuer") granted to the Reporting Person in lieu of cash settlement of the annual incentive award earned by the Reporting Person for the 2023 fiscal year.

SEC source: 0000950170-24-029568 · ownership.xml · derivative · entry 4

Stellato Steven · CIK 0001644123 · See Remarks

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 8,452

Underlying: Class A Common Stock, par value $0.001 · 8,452 shares

Expires not disclosed

F5 · derivative.exercise_price: Represents an award of performance share units ("PSUs") representing a contingent right to receive one share of Class A Common Stock. Between 0% and 200% of the target number of PSUs granted, which were granted under the Plan, are eligible to vest based on continued employment and the Issuer's annualized total shareholder return over the period from January 1, 2024, through December 31, 2026.

F5 · derivative.exercise_date: Represents an award of performance share units ("PSUs") representing a contingent right to receive one share of Class A Common Stock. Between 0% and 200% of the target number of PSUs granted, which were granted under the Plan, are eligible to vest based on continued employment and the Issuer's annualized total shareholder return over the period from January 1, 2024, through December 31, 2026.

F5 · derivative.expiration_date: Represents an award of performance share units ("PSUs") representing a contingent right to receive one share of Class A Common Stock. Between 0% and 200% of the target number of PSUs granted, which were granted under the Plan, are eligible to vest based on continued employment and the Issuer's annualized total shareholder return over the period from January 1, 2024, through December 31, 2026.

SEC source: 0000950170-24-029568 · ownership.xml · nonDerivative · entry 3

Stellato Steven · CIK 0001644123 · See Remarks

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 350,160

F3 · kind: Represents an award of restricted stock units ("RSUs") granted to the Reporting Person under the Kinetik Holdings Inc. 2019 Omnibus Compensation Plan (the "Plan") that will vest on January 1, 2027, subject to the Reporting Person's continued employment through such date, and may be settled only for shares of Class A Common Stock on a one-for-one basis.

F3 · balance_after: Represents an award of restricted stock units ("RSUs") granted to the Reporting Person under the Kinetik Holdings Inc. 2019 Omnibus Compensation Plan (the "Plan") that will vest on January 1, 2027, subject to the Reporting Person's continued employment through such date, and may be settled only for shares of Class A Common Stock on a one-for-one basis.

F4 · balance_after: Includes 5,154 shares of Class A Common Stock not previously reported pursuant to Rule 16a-11 under the Securities Exchange Act of 1934 that were acquired under the Issuer's Dividend and Distribution Reinvestment Plan after the Reporting Person's immediately prior Form 5 filing.

SEC source: 0000950170-24-029568 · ownership.xml · nonDerivative · entry 1

Stellato Steven · CIK 0001644123 · See Remarks

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 332,044

F1 · kind: Represents an award of fully vested shares of Class A Common Stock, par value $0.001 per share ("Class A Common Stock") of Kinetik Holding Inc. (the "Issuer") granted to the Reporting Person in lieu of cash settlement of the annual incentive award earned by the Reporting Person for the 2023 fiscal year.

F1 · balance_after: Represents an award of fully vested shares of Class A Common Stock, par value $0.001 per share ("Class A Common Stock") of Kinetik Holding Inc. (the "Issuer") granted to the Reporting Person in lieu of cash settlement of the annual incentive award earned by the Reporting Person for the 2023 fiscal year.

SEC source: 0000950170-24-029565 · ownership.xml · derivative · entry 3

Howard Trevor · CIK 0001991323 · See Remarks

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 3,227

Underlying: Class A Common Stock, par value $0.001 · 3,227 shares

Expires not disclosed

F4 · derivative.exercise_price: Represents an award of performance share units ("PSUs") representing a contingent right to receive one share of Class A Common Stock. Between 0% and 200% of the target number of PSUs granted, which were granted under the Plan, are eligible to vest based on continued employment and the Issuer's annualized total shareholder return over the period from January 1, 2024, through December 31, 2026.

F4 · derivative.exercise_date: Represents an award of performance share units ("PSUs") representing a contingent right to receive one share of Class A Common Stock. Between 0% and 200% of the target number of PSUs granted, which were granted under the Plan, are eligible to vest based on continued employment and the Issuer's annualized total shareholder return over the period from January 1, 2024, through December 31, 2026.

F4 · derivative.expiration_date: Represents an award of performance share units ("PSUs") representing a contingent right to receive one share of Class A Common Stock. Between 0% and 200% of the target number of PSUs granted, which were granted under the Plan, are eligible to vest based on continued employment and the Issuer's annualized total shareholder return over the period from January 1, 2024, through December 31, 2026.

SEC source: 0000950170-24-029565 · ownership.xml · nonDerivative · entry 2

Howard Trevor · CIK 0001991323 · See Remarks

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 207,075

F2 · kind: Represents an award of restricted stock units ("RSUs") granted to the Reporting Person under the Kinetik Holdings Inc. 2019 Omnibus Compensation Plan (the "Plan") that will vest on January 1, 2027, subject to the Reporting Person's continued employment through such date, and may be settled only for shares of Class A Common Stock on a one-for-one basis.

F2 · balance_after: Represents an award of restricted stock units ("RSUs") granted to the Reporting Person under the Kinetik Holdings Inc. 2019 Omnibus Compensation Plan (the "Plan") that will vest on January 1, 2027, subject to the Reporting Person's continued employment through such date, and may be settled only for shares of Class A Common Stock on a one-for-one basis.

F3 · balance_after: Includes 3,840 shares not previously reported pursuant to Rule 16a-11 under the Securities Exchange Act of 1934 that were acquired under the Issuer's Dividend and Distribution Reinvestment Plan after the Reporting Person's immediately prior Form 5 filing.

SEC source: 0000950170-24-029565 · ownership.xml · nonDerivative · entry 1

Howard Trevor · CIK 0001991323 · See Remarks

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 191,790

F1 · kind: Represents an award of fully vested shares of Class A Common Stock, par value $0.001 per share ("Class A Common Stock") of Kinetik Holding Inc. (the "Issuer") granted to the Reporting Person in lieu of cash settlement of the annual incentive award earned by the Reporting Person for the 2023 fiscal year.

F1 · balance_after: Represents an award of fully vested shares of Class A Common Stock, par value $0.001 per share ("Class A Common Stock") of Kinetik Holding Inc. (the "Issuer") granted to the Reporting Person in lieu of cash settlement of the annual incentive award earned by the Reporting Person for the 2023 fiscal year.

SEC source: 0000950170-24-029563 · ownership.xml · derivative · entry 4

Carpenter Todd · CIK 0001601910 · See Remarks

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 8,067

Underlying: Class A Common Stock, par value $0.001 · 8,067 shares

Expires not disclosed

F5 · derivative.exercise_price: Represents an award of performance share units ("PSUs") representing a contingent right to receive one share of Class A Common Stock. Between 0% and 200% of the target number of PSUs granted, which were granted under the Plan, are eligible to vest based on continued employment and the Issuer's annualized total shareholder return over the period from January 1, 2024, through December 31, 2026.

F5 · derivative.exercise_date: Represents an award of performance share units ("PSUs") representing a contingent right to receive one share of Class A Common Stock. Between 0% and 200% of the target number of PSUs granted, which were granted under the Plan, are eligible to vest based on continued employment and the Issuer's annualized total shareholder return over the period from January 1, 2024, through December 31, 2026.

F5 · derivative.expiration_date: Represents an award of performance share units ("PSUs") representing a contingent right to receive one share of Class A Common Stock. Between 0% and 200% of the target number of PSUs granted, which were granted under the Plan, are eligible to vest based on continued employment and the Issuer's annualized total shareholder return over the period from January 1, 2024, through December 31, 2026.

SEC source: 0000950170-24-029563 · ownership.xml · nonDerivative · entry 3

Carpenter Todd · CIK 0001601910 · See Remarks

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 273,662

F3 · kind: Includes an award of restricted stock units ("RSUs") granted to the Reporting Person under the Kinetik Holdings Inc. 2019 Omnibus Compensation Plan (the "Plan") that will vest on January 1, 2027, subject to the Reporting Person's continued employment through such date, and may be settled only for shares of Class A Common Stock on a one-for-one basis.

F3 · balance_after: Includes an award of restricted stock units ("RSUs") granted to the Reporting Person under the Kinetik Holdings Inc. 2019 Omnibus Compensation Plan (the "Plan") that will vest on January 1, 2027, subject to the Reporting Person's continued employment through such date, and may be settled only for shares of Class A Common Stock on a one-for-one basis.

F4 · balance_after: Includes 4,283 shares of Class A Common Stock not previously reported pursuant to Rule 16a-11 under the Securities Exchange Act of 1934 that were acquired by the Reporting Person under the Issuer's Dividend and Distribution Reinvestment Plan after the Reporting Person's immediately prior Form 5 filing.

SEC source: 0000950170-24-029563 · ownership.xml · nonDerivative · entry 1

Carpenter Todd · CIK 0001601910 · See Remarks

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 257,154

F1 · kind: Represents an award of fully vested shares of Class A Common Stock, par value $0.001 per share ("Class A Common Stock") of Kinetik Holding Inc. (the "Issuer") granted to the Reporting Person in lieu of cash settlement of the annual incentive award earned by the Reporting Person for the 2023 fiscal year.

F1 · balance_after: Represents an award of fully vested shares of Class A Common Stock, par value $0.001 per share ("Class A Common Stock") of Kinetik Holding Inc. (the "Issuer") granted to the Reporting Person in lieu of cash settlement of the annual incentive award earned by the Reporting Person for the 2023 fiscal year.