KNTK

SEC source: 0000899243-22-027864 · doc4.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 · 10% owner

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

Blackstone EMA II L.L.C. · CIK 0001700375 · 10% owner

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

BMA VII L.L.C. · CIK 0001700374 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnotes

Disclosed balance after: 3,330,271

Underlying: Class A Common Stock · 5,289 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 August 3, 2022, 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.

F13 · balance_after: Total number of Consideration Allocation Rights has been adjusted to reflect the two-for-one stock split the Company effected on June 8, 2022 with respect to its Class A Common Stock and Class C Common Stock. The stock split was accomplished by distributing one additional share of Class A Common Stock for each share of Class A Common Stock outstanding and one additional share of Class C Common Stock for each share of Class C Common Stock outstanding.

F6 · ownership.nature: These securities are owned directly by BCP Raptor Aggregator, LP.

F8 · 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.

F9 · ownership.nature: (continued from footnote 8) 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.

F10 · ownership.nature: Due to limitations of the electronic filing system certain Reporting Persons are filing a separate Form 4.

F11 · 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.

F12 · 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: 0000899243-22-027864 · doc4.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 · 10% owner

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

Blackstone EMA II L.L.C. · CIK 0001700375 · 10% owner

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

BMA VII L.L.C. · CIK 0001700374 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnotes

Disclosed balance after: 197,380

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 August 3, 2022, 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: Total number of shares of Class A Common Stock has been adjusted to reflect the two-for-one stock split the Company effected on June 8, 2022 with respect to its Class A Common Stock and Class C Common Stock. The stock split was accomplished by distributing one additional share of Class A Common Stock for each share of Class A Common Stock outstanding and one additional share of Class C Common Stock for each share of Class C Common Stock outstanding.

F5 · balance_after: Includes an additional 195,356 shares (as adjusted to reflect the two-for-one stock split) 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.

F7 · ownership.nature: These securities are owned directly by BX Permian Pipeline Aggregator LP.

F8 · 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.

F9 · ownership.nature: (continued from footnote 8) 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.

F10 · ownership.nature: Due to limitations of the electronic filing system certain Reporting Persons are filing a separate Form 4.

F11 · 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.

F12 · 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: 0000899243-22-027864 · doc4.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 · 10% owner

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

Blackstone EMA II L.L.C. · CIK 0001700375 · 10% owner

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

BMA VII L.L.C. · CIK 0001700374 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnotes

Disclosed balance after: 1,220,939

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 August 3, 2022, 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: Total number of shares of Class A Common Stock has been adjusted to reflect the two-for-one stock split the Company effected on June 8, 2022 with respect to its Class A Common Stock and Class C Common Stock. The stock split was accomplished by distributing one additional share of Class A Common Stock for each share of Class A Common Stock outstanding and one additional share of Class C Common Stock for each share of Class C Common Stock outstanding.

F4 · balance_after: Includes an additional 1,208,402 shares (as adjusted to reflect the two-for-one stock split) 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.

F6 · ownership.nature: These securities are owned directly by BCP Raptor Aggregator, LP.

F8 · 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.

F9 · ownership.nature: (continued from footnote 8) 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.

F10 · ownership.nature: Due to limitations of the electronic filing system certain Reporting Persons are filing a separate Form 4.

F11 · 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.

F12 · 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: 0000899243-22-027869 · doc4.xml · derivative · entry 3

Welch Jamie · CIK 0001579251 · Director · See Remarks

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 24,519

Underlying: Class A Common Stock · 39 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 August 3, 2022, 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.

F6 · balance_after: Total number of Consideration Allocation Rights has been adjusted to reflect the two-for-one stock split the Company effected on June 8, 2022 with respect to its Class A Common Stock and Class C Common Stock. The stock split was accomplished by distributing one additional share of Class A Common Stock for each share of Class A Common Stock outstanding and one additional share of Class C Common Stock for each share of Class C Common Stock outstanding.

SEC source: 0000899243-22-027869 · doc4.xml · nonDerivative · entry 1

Welch Jamie · CIK 0001579251 · Director · See Remarks

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 2,790,394

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 August 3, 2022, 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.

F3 · balance_after: Total number of shares of Class A Common Stock has been adjusted to reflect the two-for-one stock split the Company effected on June 8, 2022 with respect to its Class A Common Stock and Class C Common Stock. The stock split was accomplished by distributing one additional share of Class A Common Stock for each share of Class A Common Stock outstanding and one additional share of Class C Common Stock for each share of Class C Common Stock outstanding.

F4 · balance_after: Includes an additional 75,239 shares (as adjusted to reflect the two-for-one stock split) acquired by Mr. Welch since the date of Mr. Welch's last Form 4 pursuant to the Company's Dividend and Distribution Reinvestment Plan, which acquisition was exempt from Section 16 pursuant to Rule 16a-11 under the Securities Exchange Act of 1934, as amended.

SEC source: 0001140361-22-028468 · form4.xml · derivative · entry 2

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

ISQ Holdings, LLC · CIK 0001904413 · 10% owner

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

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

10b5-1 filing: Not disclosed

Ownership: Indirect · See Explanation of Responses

Disclosed balance after: 1,609,610

Underlying: Class A Common Stock · 2,574 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 (adjusted for the two-for-one stock split described in footnote 4 below), 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 (adjusted for the two-for-one stock split described in footnote 4 below), 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 (adjusted for the two-for-one stock split described in footnote 4 below), 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: The total number of shares of Class A Common Stock and Consideration Allocation Rights reported herein have been adjusted to reflect the two-for-one stock split effected by the Company on June 8, 2022.

F6 · ownership.nature: The securities are directly held by Buzzard Midstream 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 is the sole member of Fund II GP. 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: 0001140361-22-028468 · form4.xml · nonDerivative · entry 1

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

ISQ Holdings, LLC · CIK 0001904413 · 10% owner

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

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

10b5-1 filing: Not disclosed

Ownership: Indirect · See Explanation of Responses

Disclosed balance after: 594,852

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 (adjusted for the two-for-one stock split described in footnote 4 below), 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: The total number of shares of Class A Common Stock and Consideration Allocation Rights reported herein have been adjusted to reflect the two-for-one stock split effected by the Company on June 8, 2022.

F5 · balance_after: This number includes 588,750 shares of Class A Common Stock acquired on May 17, 2022, and adjusted for the two-for-one stock split described in footnote 4 above, under the Company's Dividend Reinvestment Plan. This transaction was exempt from reporting under Section 16(a) of the Exchange Act pursuant to Rule 16a-11 thereunder.

F6 · ownership.nature: The securities are directly held by Buzzard Midstream 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 is the sole member of Fund II GP. 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: 0000899243-22-027867 · doc4.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: Not disclosed

Ownership: Indirect · See footnotes

Disclosed balance after: 537,846

Underlying: Class A Common Stock · 854 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 August 3, 2022, 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.

F13 · balance_after: Total number of Consideration Allocation Rights has been adjusted to reflect the two-for-one stock split the Company effected on June 8, 2022 with respect to its Class A Common Stock and Class C Common Stock. The stock split was accomplished by distributing one additional share of Class A Common Stock for each share of Class A Common Stock outstanding and one additional share of Class C Common Stock for each share of Class C Common Stock outstanding.

F7 · ownership.nature: These securities are owned directly by BX Permian Pipeline Aggregator LP.

F8 · 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.

F9 · ownership.nature: (continued from footnote 8) 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.

F10 · ownership.nature: Due to limitations of the electronic filing system certain Reporting Persons are filing a separate Form 4.

F11 · 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.

F12 · 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: 0000899243-22-027867 · doc4.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: Not disclosed

Ownership: Indirect · See footnotes

Disclosed balance after: 3,330,271

Underlying: Class A Common Stock · 5,289 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 August 3, 2022, 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.

F13 · balance_after: Total number of Consideration Allocation Rights has been adjusted to reflect the two-for-one stock split the Company effected on June 8, 2022 with respect to its Class A Common Stock and Class C Common Stock. The stock split was accomplished by distributing one additional share of Class A Common Stock for each share of Class A Common Stock outstanding and one additional share of Class C Common Stock for each share of Class C Common Stock outstanding.

F6 · ownership.nature: These securities are owned directly by BCP Raptor Aggregator, LP.

F8 · 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.

F9 · ownership.nature: (continued from footnote 8) 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.

F10 · ownership.nature: Due to limitations of the electronic filing system certain Reporting Persons are filing a separate Form 4.

F11 · 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.

F12 · 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: 0000899243-22-027867 · doc4.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: Not disclosed

Ownership: Indirect · See footnotes

Disclosed balance after: 197,380

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 August 3, 2022, 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: Total number of shares of Class A Common Stock has been adjusted to reflect the two-for-one stock split the Company effected on June 8, 2022 with respect to its Class A Common Stock and Class C Common Stock. The stock split was accomplished by distributing one additional share of Class A Common Stock for each share of Class A Common Stock outstanding and one additional share of Class C Common Stock for each share of Class C Common Stock outstanding.

F5 · balance_after: Includes an additional 195,356 shares (as adjusted to reflect the two-for-one stock split) 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.

F7 · ownership.nature: These securities are owned directly by BX Permian Pipeline Aggregator LP.

F8 · 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.

F9 · ownership.nature: (continued from footnote 8) 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.

F10 · ownership.nature: Due to limitations of the electronic filing system certain Reporting Persons are filing a separate Form 4.

F11 · 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.

F12 · 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: 0000899243-22-027867 · doc4.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: Not disclosed

Ownership: Indirect · See footnotes

Disclosed balance after: 1,220,939

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 August 3, 2022, 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: Total number of shares of Class A Common Stock has been adjusted to reflect the two-for-one stock split the Company effected on June 8, 2022 with respect to its Class A Common Stock and Class C Common Stock. The stock split was accomplished by distributing one additional share of Class A Common Stock for each share of Class A Common Stock outstanding and one additional share of Class C Common Stock for each share of Class C Common Stock outstanding.

F4 · balance_after: Includes an additional 1,208,402 shares (as adjusted to reflect the two-for-one stock split) 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.

F6 · ownership.nature: These securities are owned directly by BCP Raptor Aggregator, LP.

F8 · 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.

F9 · ownership.nature: (continued from footnote 8) 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.

F10 · ownership.nature: Due to limitations of the electronic filing system certain Reporting Persons are filing a separate Form 4.

F11 · 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.

F12 · 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: 0000899243-22-026585 · doc4.xml · derivative · entry 2

Byers Deborah L · CIK 0001935696 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,723

Underlying: Class A Common Stock · 1,723 shares

Expires not disclosed

F3 · derivative.exercise_price: The reporting person received a grant of deferred stock units ("DSUs") in lieu of director cash compensation. Once vested, each DSU represents a contingent right to receive an amount in cash equal to the value of one share of the Company's Class A common stock. 756 DSUs will vest on October 1, 2022 and 967 DSUs will vest on January 1, 2023, so long as the reporting person continuously provides services to the Company from the date of grant through each vesting date. Pursuant to the reporting person's election under the Plan, settlement of vested DSUs has been deferred until the earliest to occur of a Change of Control (as defined in the Plan) or the reporting person's termination from service with the Company. While the DSUs remain outstanding, an amount equal to the dividends that would have been paid on the DSUs had they been in the form of common stock will be reinvested into additional DSUs based on the same amount at which dividends are reinvested pursuant to the DRIP.

F4 · derivative.exercise_price: (continued from footnote 3) The additional DSUs will be subject to the same vesting schedule described above for the initial DSUs and, pursuant to the reporting person's election under the Plan, any additional DSUs that become vested will be settled at the same time as the initial DSUs subject to the award.

F3 · derivative.exercise_date: The reporting person received a grant of deferred stock units ("DSUs") in lieu of director cash compensation. Once vested, each DSU represents a contingent right to receive an amount in cash equal to the value of one share of the Company's Class A common stock. 756 DSUs will vest on October 1, 2022 and 967 DSUs will vest on January 1, 2023, so long as the reporting person continuously provides services to the Company from the date of grant through each vesting date. Pursuant to the reporting person's election under the Plan, settlement of vested DSUs has been deferred until the earliest to occur of a Change of Control (as defined in the Plan) or the reporting person's termination from service with the Company. While the DSUs remain outstanding, an amount equal to the dividends that would have been paid on the DSUs had they been in the form of common stock will be reinvested into additional DSUs based on the same amount at which dividends are reinvested pursuant to the DRIP.

F4 · derivative.exercise_date: (continued from footnote 3) The additional DSUs will be subject to the same vesting schedule described above for the initial DSUs and, pursuant to the reporting person's election under the Plan, any additional DSUs that become vested will be settled at the same time as the initial DSUs subject to the award.

F3 · derivative.expiration_date: The reporting person received a grant of deferred stock units ("DSUs") in lieu of director cash compensation. Once vested, each DSU represents a contingent right to receive an amount in cash equal to the value of one share of the Company's Class A common stock. 756 DSUs will vest on October 1, 2022 and 967 DSUs will vest on January 1, 2023, so long as the reporting person continuously provides services to the Company from the date of grant through each vesting date. Pursuant to the reporting person's election under the Plan, settlement of vested DSUs has been deferred until the earliest to occur of a Change of Control (as defined in the Plan) or the reporting person's termination from service with the Company. While the DSUs remain outstanding, an amount equal to the dividends that would have been paid on the DSUs had they been in the form of common stock will be reinvested into additional DSUs based on the same amount at which dividends are reinvested pursuant to the DRIP.

F4 · derivative.expiration_date: (continued from footnote 3) The additional DSUs will be subject to the same vesting schedule described above for the initial DSUs and, pursuant to the reporting person's election under the Plan, any additional DSUs that become vested will be settled at the same time as the initial DSUs subject to the award.

SEC source: 0000899243-22-026585 · doc4.xml · nonDerivative · entry 1

Byers Deborah L · CIK 0001935696 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 3,060

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) or the reporting person's termination from service with Kinetik Holdings Inc. (the "Company").

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: 0000899243-22-025043 · doc4.xml · nonDerivative · entry 1

LELAND D MARK · CIK 0001174722 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 11,223

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 reporting person's termination from service with Kinetik Holdings Inc. (the "Company").

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.

F3 · balance_after: Total shares reported reflect the Company's two-for-one stock split which was effected via a stock dividend on June 8, 2022.

SEC source: 0000899243-22-025030 · doc4.xml · nonDerivative · entry 1

SUGG LAURA A · CIK 0001476334 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 44,841

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) or the reporting person's termination from service with Kinetik Holdings Inc. (the "Company").

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.

F3 · balance_after: Total shares reported reflect the Company's two-for-one stock split which was effected via a stock dividend on June 8, 2022.

SEC source: 0000899243-22-025032 · doc4.xml · nonDerivative · entry 1

McCarthy Kevin S · CIK 0001304183 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 64,120.3

F1 · balance_after: Total shares reported reflect Kinetik Holdings Inc.'s two-for-one stock split which was effected via a stock dividend on June 8, 2022.

SEC source: 0000899243-22-023098 · doc4.xml · nonDerivative · entry 1

Psencik Anne · CIK 0001911570 · Chief Strategy Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 156,012

F1 · balance_after: On June 9, 2022, Kinetik Holdings Inc.'s (the "Company") common stock split on a two-for-one basis resulting in an increase of 78,417 shares beneficially owned by the reporting person.

F2 · balance_after: Includes 3,288 shares not previously reported pursuant to Rule 16a-11 under the Securities Exchange Act of 1934 that were acquired under the Company's Dividend and Distribution Reinvestment Plan after Ms. Psencik's immediately prior Form 4 filing.

SEC source: 0000899243-22-016923 · doc4.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 · 10% owner

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

Blackstone EMA II L.L.C. · CIK 0001700375 · 10% owner

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

BMA VII L.L.C. · CIK 0001700374 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnotes

Disclosed balance after: 269,350

Underlying: Class A Common Stock · 585 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 May 3, 2022, 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.

F11 · balance_after: Total number of Consideration Allocation Rights has been adjusted to reflect the inadvertent understatement of 18,534 Consideration Allocation Rights in the Reporting Persons' Form 3.

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 5) The sole holder of the Series II preferred stock of Blackstone Inc. is Blackstone Group Management L.L.C. Blackstone Group Management L.L.C. is wholly-owned by Blackstone Inc.'s senior managing directors and controlled by its founder, Stephen A. Schwarzman.

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: 0000899243-22-016923 · doc4.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 · 10% owner

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

Blackstone EMA II L.L.C. · CIK 0001700375 · 10% owner

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

BMA VII L.L.C. · CIK 0001700374 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnotes

Disclosed balance after: 1,667,780

Underlying: Class A Common Stock · 3,624 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 May 3, 2022, 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.

F10 · balance_after: Total number of Consideration Allocation Rights has been adjusted to reflect the inadvertent understatement of 115,683 Consideration Allocation Rights in the Reporting Persons' Form 3.

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 5) The sole holder of the Series II preferred stock of Blackstone Inc. is Blackstone Group Management L.L.C. Blackstone Group Management L.L.C. is wholly-owned by Blackstone Inc.'s senior managing directors and controlled by its founder, Stephen A. Schwarzman.

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: 0000899243-22-016923 · doc4.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 · 10% owner

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

Blackstone EMA II L.L.C. · CIK 0001700375 · 10% owner

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

BMA VII L.L.C. · CIK 0001700374 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnotes

Disclosed balance after: 585

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 May 3, 2022, 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 5) The sole holder of the Series II preferred stock of Blackstone Inc. is Blackstone Group Management L.L.C. Blackstone Group Management L.L.C. is wholly-owned by Blackstone Inc.'s senior managing directors and controlled by its founder, Stephen A. Schwarzman.

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: 0000899243-22-016923 · doc4.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 · 10% owner

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

Blackstone EMA II L.L.C. · CIK 0001700375 · 10% owner

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

BMA VII L.L.C. · CIK 0001700374 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnotes

Disclosed balance after: 3,624

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 May 3, 2022, 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 5) The sole holder of the Series II preferred stock of Blackstone Inc. is Blackstone Group Management L.L.C. Blackstone Group Management L.L.C. is wholly-owned by Blackstone Inc.'s senior managing directors and controlled by its founder, Stephen A. Schwarzman.

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: 0001140361-22-017940 · form4.xml · derivative · entry 2

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

ISQ Holdings, LLC · CIK 0001904413 · 10% owner

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

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

10b5-1 filing: Not disclosed

Ownership: Indirect · See Explanation of Responses

Disclosed balance after: 806,092

Underlying: Class A Common Stock · 1,764 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 197,708 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 197,708 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 197,708 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 · balance_after: The total number of Consideration Allocation Rights reported herein has been adjusted to reflect an amendment to the schedule to the Contribution Agreement, which increased the total number of Consideration Allocation Rights originally eligible to be received by the Reporting Persons to 807,856.

F4 · ownership.nature: The securities are directly held by Buzzard Midstream 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 is the sole member of Fund II GP. 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: 0001140361-22-017940 · form4.xml · nonDerivative · entry 1

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

ISQ Holdings, LLC · CIK 0001904413 · 10% owner

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

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

10b5-1 filing: Not disclosed

Ownership: Indirect · See Explanation of Responses

Disclosed balance after: 1,764

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 197,708 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 · ownership.nature: The securities are directly held by Buzzard Midstream 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 is the sole member of Fund II GP. 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: 0000899243-22-016982 · doc4.xml · derivative · entry 3

Welch Jamie · CIK 0001579251 · Director · See Remarks

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 12,279

Underlying: Class A Common Stock · 27 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 May 3, 2022, 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.

F5 · balance_after: A total of 12,306 Consideration Allocation Rights were inadvertently omitted from Table II in the Reporting Person's Form 3. Following the transaction reported herein, the Reporting Person owns 12,279 Consideration Allocation Rights.

SEC source: 0000899243-22-016982 · doc4.xml · nonDerivative · entry 1

Welch Jamie · CIK 0001579251 · Director · See Remarks

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,362,898

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 May 3, 2022, 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.

F3 · balance_after: Includes 5,340 shares of Class A Common Stock held in the Reporting Person's individual retirement account that were inadvertently omitted from the Reporting Person's Form 3.

SEC source: 0000899243-22-016930 · doc4.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: Not disclosed

Ownership: Indirect · See footnotes

Disclosed balance after: 269,350

Underlying: Class A Common Stock · 585 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 May 3, 2022, 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.

F11 · balance_after: Total number of Consideration Allocation Rights has been adjusted to reflect the inadvertent understatement of 18,534 Consideration Allocation Rights in the Reporting Persons' Form 3.

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 5) The sole holder of the Series II preferred stock of Blackstone Inc. is Blackstone Group Management L.L.C. Blackstone Group Management L.L.C. is wholly-owned by Blackstone Inc.'s senior managing directors and controlled by its founder, Stephen A. Schwarzman.

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: 0000899243-22-016930 · doc4.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: Not disclosed

Ownership: Indirect · See footnotes

Disclosed balance after: 1,667,780

Underlying: Class A Common Stock · 3,624 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 May 3, 2022, 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.

F10 · balance_after: Total number of Consideration Allocation Rights has been adjusted to reflect the inadvertent understatement of 115,683 Consideration Allocation Rights in the Reporting Persons' Form 3.

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 5) The sole holder of the Series II preferred stock of Blackstone Inc. is Blackstone Group Management L.L.C. Blackstone Group Management L.L.C. is wholly-owned by Blackstone Inc.'s senior managing directors and controlled by its founder, Stephen A. Schwarzman.

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: 0000899243-22-016930 · doc4.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: Not disclosed

Ownership: Indirect · See footnotes

Disclosed balance after: 585

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 May 3, 2022, 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 5) The sole holder of the Series II preferred stock of Blackstone Inc. is Blackstone Group Management L.L.C. Blackstone Group Management L.L.C. is wholly-owned by Blackstone Inc.'s senior managing directors and controlled by its founder, Stephen A. Schwarzman.

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: 0000899243-22-016930 · doc4.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: Not disclosed

Ownership: Indirect · See footnotes

Disclosed balance after: 3,624

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 May 3, 2022, 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 5) The sole holder of the Series II preferred stock of Blackstone Inc. is Blackstone Group Management L.L.C. Blackstone Group Management L.L.C. is wholly-owned by Blackstone Inc.'s senior managing directors and controlled by its founder, Stephen A. Schwarzman.

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: 0001357400-22-000058 · wf-form4_164735440322821.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: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 8,865,651

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

SEC source: 0001357400-22-000051 · wf-form4_164565421441314.xml · derivative · entry 3

LELAND D MARK · CIK 0001174722 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: CLASS A COMMON STOCK · 5,867 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: Vesting on February 22, 2022, upon liquidation of all outstanding cash-based restricted stock units upon the closing by the Issuer of a business combination transaction.

F1 · price: Vesting on February 22, 2022, upon liquidation of all outstanding cash-based restricted stock units upon the closing by the Issuer of a business combination transaction.

F1 · derivative.exercise_date: Vesting on February 22, 2022, upon liquidation of all outstanding cash-based restricted stock units upon the closing by the Issuer of a business combination transaction.

F1 · derivative.expiration_date: Vesting on February 22, 2022, upon liquidation of all outstanding cash-based restricted stock units upon the closing by the Issuer of a business combination transaction.

SEC source: 0001357400-22-000051 · wf-form4_164565421441314.xml · nonDerivative · entry 2

LELAND D MARK · CIK 0001174722 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 3,798

F1 · kind: Vesting on February 22, 2022, upon liquidation of all outstanding cash-based restricted stock units upon the closing by the Issuer of a business combination transaction.

SEC source: 0001357400-22-000051 · wf-form4_164565421441314.xml · nonDerivative · entry 1

LELAND D MARK · CIK 0001174722 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 9,665

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 · kind: Vesting on February 22, 2022, upon liquidation of all outstanding cash-based restricted stock units upon the closing by the Issuer of a business combination transaction.

F1 · price: Vesting on February 22, 2022, upon liquidation of all outstanding cash-based restricted stock units upon the closing by the Issuer of a business combination transaction.

SEC source: 0001357400-22-000050 · wf-form4_164565414975190.xml · derivative · entry 3

Frana Joe C · CIK 0001830567 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: CLASS A COMMON · 3,898 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: Vesting on February 22, 2022, upon liquidation of all outstanding cash-based restricted stock units upon the closing by the Issuer of a business combination transaction.

F1 · price: Vesting on February 22, 2022, upon liquidation of all outstanding cash-based restricted stock units upon the closing by the Issuer of a business combination transaction.

F1 · derivative.exercise_date: Vesting on February 22, 2022, upon liquidation of all outstanding cash-based restricted stock units upon the closing by the Issuer of a business combination transaction.

F1 · derivative.expiration_date: Vesting on February 22, 2022, upon liquidation of all outstanding cash-based restricted stock units upon the closing by the Issuer of a business combination transaction.

SEC source: 0001357400-22-000050 · wf-form4_164565414975190.xml · nonDerivative · entry 2

Frana Joe C · CIK 0001830567 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

F1 · kind: Vesting on February 22, 2022, upon liquidation of all outstanding cash-based restricted stock units upon the closing by the Issuer of a business combination transaction.

SEC source: 0001357400-22-000050 · wf-form4_164565414975190.xml · nonDerivative · entry 1

Frana Joe C · CIK 0001830567 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 3,898

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 · kind: Vesting on February 22, 2022, upon liquidation of all outstanding cash-based restricted stock units upon the closing by the Issuer of a business combination transaction.

F1 · price: Vesting on February 22, 2022, upon liquidation of all outstanding cash-based restricted stock units upon the closing by the Issuer of a business combination transaction.

SEC source: 0001357400-22-000052 · wf-form4_164565433866877.xml · derivative · entry 3

McCarthy Kevin S · CIK 0001304183 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: CLASS A COMMON STOCK · 2,311 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: Vesting on February 22, 2022, upon liquidation of all outstanding cash-based restricted stock units upon the closing by the Issuer of a business combination transaction.

F1 · price: Vesting on February 22, 2022, upon liquidation of all outstanding cash-based restricted stock units upon the closing by the Issuer of a business combination transaction.

F1 · derivative.exercise_date: Vesting on February 22, 2022, upon liquidation of all outstanding cash-based restricted stock units upon the closing by the Issuer of a business combination transaction.

F1 · derivative.expiration_date: Vesting on February 22, 2022, upon liquidation of all outstanding cash-based restricted stock units upon the closing by the Issuer of a business combination transaction.

SEC source: 0001357400-22-000052 · wf-form4_164565433866877.xml · nonDerivative · entry 2

McCarthy Kevin S · CIK 0001304183 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 30,246.65

F1 · kind: Vesting on February 22, 2022, upon liquidation of all outstanding cash-based restricted stock units upon the closing by the Issuer of a business combination transaction.

SEC source: 0001357400-22-000052 · wf-form4_164565433866877.xml · nonDerivative · entry 1

McCarthy Kevin S · CIK 0001304183 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 32,557.65

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 · kind: Vesting on February 22, 2022, upon liquidation of all outstanding cash-based restricted stock units upon the closing by the Issuer of a business combination transaction.

F1 · price: Vesting on February 22, 2022, upon liquidation of all outstanding cash-based restricted stock units upon the closing by the Issuer of a business combination transaction.

SEC source: 0001357400-22-000049 · wf-form4_164565401849889.xml · derivative · entry 3

Purgason Robert S · CIK 0001308543 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: CLASS A COMMON STOCK · 2,311 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: Vesting on February 22, 2022, upon liquidation of all outstanding cash-based restricted stock units upon the closing by the Issuer of a business combination transaction.

F1 · price: Vesting on February 22, 2022, upon liquidation of all outstanding cash-based restricted stock units upon the closing by the Issuer of a business combination transaction.

F1 · derivative.exercise_date: Vesting on February 22, 2022, upon liquidation of all outstanding cash-based restricted stock units upon the closing by the Issuer of a business combination transaction.

F1 · derivative.expiration_date: Vesting on February 22, 2022, upon liquidation of all outstanding cash-based restricted stock units upon the closing by the Issuer of a business combination transaction.

SEC source: 0001357400-22-000049 · wf-form4_164565401849889.xml · nonDerivative · entry 2

Purgason Robert S · CIK 0001308543 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 25,945.2

F1 · kind: Vesting on February 22, 2022, upon liquidation of all outstanding cash-based restricted stock units upon the closing by the Issuer of a business combination transaction.

SEC source: 0001357400-22-000049 · wf-form4_164565401849889.xml · nonDerivative · entry 1

Purgason Robert S · CIK 0001308543 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 28,256.2

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 · kind: Vesting on February 22, 2022, upon liquidation of all outstanding cash-based restricted stock units upon the closing by the Issuer of a business combination transaction.

F1 · price: Vesting on February 22, 2022, upon liquidation of all outstanding cash-based restricted stock units upon the closing by the Issuer of a business combination transaction.

SEC source: 0001357400-22-000037 · wf-form4_164564610207936.xml · derivative · entry 3

BORER MARK A · CIK 0001237206 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: CLASS A COMMON STOCK · 5,867 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: Vesting on February 22, 2022, upon liquidation of all outstanding cash-based restricted stock units upon the closing by the Issuer of a business combination transaction.

F1 · price: Vesting on February 22, 2022, upon liquidation of all outstanding cash-based restricted stock units upon the closing by the Issuer of a business combination transaction.

F1 · derivative.exercise_date: Vesting on February 22, 2022, upon liquidation of all outstanding cash-based restricted stock units upon the closing by the Issuer of a business combination transaction.

F1 · derivative.expiration_date: Vesting on February 22, 2022, upon liquidation of all outstanding cash-based restricted stock units upon the closing by the Issuer of a business combination transaction.

SEC source: 0001357400-22-000037 · wf-form4_164564610207936.xml · nonDerivative · entry 2

BORER MARK A · CIK 0001237206 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 3,798

F1 · kind: Vesting on February 22, 2022, upon liquidation of all outstanding cash-based restricted stock units upon the closing by the Issuer of a business combination transaction.

SEC source: 0001357400-22-000037 · wf-form4_164564610207936.xml · nonDerivative · entry 1

BORER MARK A · CIK 0001237206 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 9,665

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 · kind: Vesting on February 22, 2022, upon liquidation of all outstanding cash-based restricted stock units upon the closing by the Issuer of a business combination transaction.

F1 · price: Vesting on February 22, 2022, upon liquidation of all outstanding cash-based restricted stock units upon the closing by the Issuer of a business combination transaction.

SEC source: 0000899243-22-007732 · doc4.xml · nonDerivative · entry 1

Wall Matthew · CIK 0001911571 · Executive Vice President, COO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 206,212

SEC source: 0000899243-22-007728 · doc4.xml · nonDerivative · entry 1

Psencik Anne · CIK 0001911570 · Chief Strategy Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 76,773

SEC source: 0000899243-22-007730 · doc4.xml · nonDerivative · entry 1

SUGG LAURA A · CIK 0001476334 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 20,607

SEC source: 0000899243-22-007727 · doc4.xml · nonDerivative · entry 1

Stellato Steven · CIK 0001644123 · See Remarks

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 117,067

SEC source: 0000899243-22-007725 · doc4.xml · nonDerivative · entry 1

Carpenter Todd · CIK 0001601910 · See Remarks

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 89,577