KNTK

SEC source: 0000950170-23-009791 · ownership.xml · nonDerivative · entry 1

Carpenter Todd · CIK 0001601910 · See Remarks

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 231,413

F1 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $31.25 to $31.36, inclusive. The reporting person undertakes to provide to Kinetik Holdings Inc. (the "Company"), any security holder of the Company, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote.

SEC source: 0000950170-23-008796 · ownership.xml · nonDerivative · entry 1

Wall Matthew · CIK 0001911571 · Executive Vice President, COO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 476,598

F1 · kind: The sale reported on this Form 4 represents shares sold by the Reporting Person to cover tax withholding obligations in connection with the award of vested shares in lieu of cash settlement of the annual incentive award earned by the Reporting Person for the 2022 fiscal year.

SEC source: 0000950170-23-008795 · ownership.xml · nonDerivative · entry 1

Stellato Steven · CIK 0001644123 · See Remarks

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 301,422

F1 · kind: The sale reported on this Form 4 represents shares sold by the Reporting Person to cover tax withholding obligations in connection with the award of vested shares in lieu of cash settlement of the annual incentive award earned by the Reporting Person for the 2022 fiscal year.

SEC source: 0000899243-23-009130 · doc4.xml · nonDerivative · entry 1

Psencik Anne · CIK 0001911570 · Chief Strategy Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 224,889

F1 · kind: The sale reported on this Form 4 represents shares sold by the Reporting Person to cover tax withholding obligations in connection with the award of vested shares in lieu of cash settlement of the annual incentive award earned by the Reporting Person for the 2022 fiscal year.

SEC source: 0000899243-23-009129 · doc4.xml · nonDerivative · entry 1

Carpenter Todd · CIK 0001601910 · See Remarks

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 241,413

F1 · kind: The sale reported on this Form 4 represents shares sold by the Reporting Person to cover tax withholding obligations in connection with the award of vested shares in lieu of cash settlement of the annual incentive award earned by the Reporting Person for the 2022 fiscal year.

SEC source: 0000899243-23-008490 · doc4.xml · nonDerivative · entry 2

Welch Jamie · CIK 0001579251 · Director · See Remarks

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 3,134,065

F2 · kind: Award of fully vested shares of the Issuer's Class A Common Stock granted to the Reporting Person in lieu of cash settlement of the annual incentive award earned by the Reporting Person for the 2022 fiscal year.

SEC source: 0000950170-23-008250 · ownership.xml · nonDerivative · entry 1

Psencik Anne · CIK 0001911570 · Chief Strategy Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 228,386

F1 · kind: Award of fully vested shares of the Issuer's Class A Common Stock granted to the Reporting Person in lieu of cash settlement of the annual incentive award earned by the Reporting Person for the 2022 fiscal year.

SEC source: 0000899243-23-008645 · doc4.xml · nonDerivative · entry 1

Carpenter Todd · CIK 0001601910 · See Remarks

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 244,943

F1 · kind: Award of fully vested shares of the Issuer's Class A Common Stock granted to the Reporting Person in lieu of cash settlement of the annual incentive award earned by the Reporting Person for the 2022 fiscal year.

SEC source: 0000899243-23-008644 · doc4.xml · nonDerivative · entry 1

Stellato Steven · CIK 0001644123 · See Remarks

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 304,952

F1 · kind: Award of fully vested shares of the Issuer's Class A Common Stock granted to the Reporting Person in lieu of cash settlement of the annual incentive award earned by the Reporting Person for the 2022 fiscal year.

SEC source: 0000899243-23-008643 · doc4.xml · nonDerivative · entry 1

Wall Matthew · CIK 0001911571 · Executive Vice President, COO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 480,128

F1 · kind: Award of fully vested shares of the Issuer's Class A Common Stock granted to the Reporting Person in lieu of cash settlement of the annual incentive award earned by the Reporting Person for the 2022 fiscal year.

SEC source: 0000899243-23-008490 · doc4.xml · nonDerivative · entry 1

Welch Jamie · CIK 0001579251 · Director · See Remarks

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 3,111,561

F1 · kind: Represents an award of restricted stock units ("RSUs") that will vest on January 1, 2026 and may be settled only for shares of common stock on a one-for-one basis.

F3 · balance_after: Includes 98,025 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 (the "DRIP") after Mr. Welch's immediately prior Form 4 filing.

SEC source: 0000899243-23-008489 · doc4.xml · nonDerivative · entry 1

Psencik Anne · CIK 0001911570 · Chief Strategy Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 215,306

F1 · kind: Represents an award of restricted stock units ("RSUs") that will vest on January 1, 2026 and may be settled only for shares of common stock on a one-for-one basis.

SEC source: 0000899243-23-008488 · doc4.xml · nonDerivative · entry 1

Stellato Steven · CIK 0001644123 · See Remarks

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 291,872

F1 · kind: Represents an award of restricted stock units ("RSUs") that will vest on January 1, 2026 and may be settled only for shares of common stock on a one-for-one basis.

F2 · balance_after: Includes 6,395 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 Mr. Stellato's immediately prior Form 5 filing.

SEC source: 0000899243-23-008485 · doc4.xml · nonDerivative · entry 1

Carpenter Todd · CIK 0001601910 · See Remarks

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 231,863

F1 · kind: Represents an award of restricted stock units ("RSUs") that will vest on January 1, 2026 and may be settled only for shares of common stock on a one-for-one basis.

F2 · balance_after: Includes 4,894 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 Mr. Carpenter's immediately prior Form 4 filing.

SEC source: 0000899243-23-008484 · doc4.xml · nonDerivative · entry 1

Wall Matthew · CIK 0001911571 · Executive Vice President, COO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 467,048

F1 · kind: Represents an award of restricted stock units ("RSUs") that will vest on January 1, 2026 and may be settled only for shares of common stock on a one-for-one basis.

F2 · balance_after: Includes 10,804 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 Mr. Wall's immediately prior Form 5 filing.

SEC source: 0000899243-23-008165 · doc4.xml · nonDerivative · entry 1

Psencik Anne · CIK 0001911570 · Chief Strategy Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 178,982

F1 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $31.45 to $31.55, inclusive. The reporting person undertakes to provide to Kinetik Holdings Inc. (the "Company"), any security holder of the Company, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote.

F2 · balance_after: Includes 4,744 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: 0000899243-23-003494 · 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 · Former 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 · Former 10% Owner

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

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

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnotes

Disclosed balance after: 537,161

Underlying: Class A Common Stock · 554 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 January 31, 2023, certain Reporting Persons received shares of Class A Common Stock in settlement of Consideration Allocation Rights pursuant to the Allocation Agreement.

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

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

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

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

F8 · ownership.nature: (continued from footnote 7) The sole holder of the Series II preferred stock of Blackstone Inc. is Blackstone Group Management L.L.C. Blackstone Group Management L.L.C. is wholly-owned by Blackstone Inc.'s senior managing directors and controlled by its founder, Stephen A. Schwarzman.

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

F10 · ownership.nature: Information with respect to each of the Reporting Persons is given solely by such Reporting Person, and no Reporting Person has responsibility for the accuracy or completeness of information supplied by another Reporting Person.

F11 · ownership.nature: Each of the Reporting Persons (other than to the extent it directly holds securities reported herein) disclaims beneficial ownership of the securities held by the other Reporting Persons, except to the extent of such Reporting Person's pecuniary interest therein, and, pursuant to Rule 16a-1(a)(4) under the Securities Exchange Act of 1934, each of the Reporting Persons (other than to the extent it directly holds securities reported herein) states that the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of all of the reported securities for purposes of Section 16 or for any other purpose.

SEC source: 0000899243-23-003494 · 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 · Former 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 · Former 10% Owner

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

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

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnotes

Disclosed balance after: 3,326,025

Underlying: Class A Common Stock · 3,433 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 January 31, 2023, certain Reporting Persons received shares of Class A Common Stock in settlement of Consideration Allocation Rights pursuant to the Allocation Agreement.

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

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

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

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

F8 · ownership.nature: (continued from footnote 7) The sole holder of the Series II preferred stock of Blackstone Inc. is Blackstone Group Management L.L.C. Blackstone Group Management L.L.C. is wholly-owned by Blackstone Inc.'s senior managing directors and controlled by its founder, Stephen A. Schwarzman.

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

F10 · ownership.nature: Information with respect to each of the Reporting Persons is given solely by such Reporting Person, and no Reporting Person has responsibility for the accuracy or completeness of information supplied by another Reporting Person.

F11 · ownership.nature: Each of the Reporting Persons (other than to the extent it directly holds securities reported herein) disclaims beneficial ownership of the securities held by the other Reporting Persons, except to the extent of such Reporting Person's pecuniary interest therein, and, pursuant to Rule 16a-1(a)(4) under the Securities Exchange Act of 1934, each of the Reporting Persons (other than to the extent it directly holds securities reported herein) states that the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of all of the reported securities for purposes of Section 16 or for any other purpose.

SEC source: 0000899243-23-003494 · 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 · Former 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 · Former 10% Owner

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

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

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnotes

Disclosed balance after: 583,812

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 January 31, 2023, certain Reporting Persons received shares of Class A Common Stock in settlement of Consideration Allocation Rights pursuant to the Allocation Agreement.

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

F4 · balance_after: Includes an additional 202,388 shares acquired by BX Permian Pipeline Aggregator LP since the date of the Reporting Persons' last Form 4 pursuant to the Company's Dividend and Distribution Reinvestment Plan, which acquisitions were exempt from Section 16 pursuant to Rule 16a-11 under the Securities Exchange Act of 1934, as amended.

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

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

F8 · ownership.nature: (continued from footnote 7) The sole holder of the Series II preferred stock of Blackstone Inc. is Blackstone Group Management L.L.C. Blackstone Group Management L.L.C. is wholly-owned by Blackstone Inc.'s senior managing directors and controlled by its founder, Stephen A. Schwarzman.

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

F10 · ownership.nature: Information with respect to each of the Reporting Persons is given solely by such Reporting Person, and no Reporting Person has responsibility for the accuracy or completeness of information supplied by another Reporting Person.

F11 · ownership.nature: Each of the Reporting Persons (other than to the extent it directly holds securities reported herein) disclaims beneficial ownership of the securities held by the other Reporting Persons, except to the extent of such Reporting Person's pecuniary interest therein, and, pursuant to Rule 16a-1(a)(4) under the Securities Exchange Act of 1934, each of the Reporting Persons (other than to the extent it directly holds securities reported herein) states that the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of all of the reported securities for purposes of Section 16 or for any other purpose.

SEC source: 0000899243-23-003494 · 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 · Former 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 · Former 10% Owner

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

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

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnotes

Disclosed balance after: 3,611,272

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 January 31, 2023, certain Reporting Persons received shares of Class A Common Stock in settlement of Consideration Allocation Rights pursuant to the Allocation Agreement.

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

F3 · balance_after: Includes an additional 1,251,897 shares acquired by BCP Raptor Aggregator, LP since the date of the Reporting Persons' last Form 4 pursuant to the Company's Dividend and Distribution Reinvestment Plan, which acquisitions were exempt from Section 16 pursuant to Rule 16a-11 under the Securities Exchange Act of 1934, as amended.

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

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

F8 · ownership.nature: (continued from footnote 7) The sole holder of the Series II preferred stock of Blackstone Inc. is Blackstone Group Management L.L.C. Blackstone Group Management L.L.C. is wholly-owned by Blackstone Inc.'s senior managing directors and controlled by its founder, Stephen A. Schwarzman.

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

F10 · ownership.nature: Information with respect to each of the Reporting Persons is given solely by such Reporting Person, and no Reporting Person has responsibility for the accuracy or completeness of information supplied by another Reporting Person.

F11 · ownership.nature: Each of the Reporting Persons (other than to the extent it directly holds securities reported herein) disclaims beneficial ownership of the securities held by the other Reporting Persons, except to the extent of such Reporting Person's pecuniary interest therein, and, pursuant to Rule 16a-1(a)(4) under the Securities Exchange Act of 1934, each of the Reporting Persons (other than to the extent it directly holds securities reported herein) states that the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of all of the reported securities for purposes of Section 16 or for any other purpose.

SEC source: 0000899243-23-003685 · doc4.xml · derivative · entry 4

Welch Jamie · CIK 0001579251 · Director · See Remarks

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 24,488

Underlying: Class A Common Stock · 25 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 January 31, 2023, the Reporting Person received shares of Class A Common Stock in settlement of Consideration Allocation Rights pursuant to the Allocation Agreement.

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

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

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

SEC source: 0000899243-23-003685 · doc4.xml · nonDerivative · entry 1

Welch Jamie · CIK 0001579251 · Director · See Remarks

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 2,987,341

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 January 31, 2023, 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 an additional 82,577 shares acquired by Mr. Welch since the date of Mr. Welch's last Form 4 pursuant to the Company's Dividend and Distribution Reinvestment Plan ("DRIP"), which acquisition was exempt from Section 16 pursuant to Rule 16a-11 under the Securities Exchange Act of 1934, as amended. Includes 10,680 shares that were previously reported on May 5, 2022 and inadvertently omitted from the Reporting Person's subsequent Forms 4.

SEC source: 0001140361-23-004181 · 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: 1,607,543

Underlying: Class A Common Stock · 1,671 shares

Expires not disclosed

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

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

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

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

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

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

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

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

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

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

F4 · balance_after: This number includes 609,942 shares of Class A Common Stock acquired on December 17, 2022, 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.

F5 · ownership.nature: The securities are directly held by Buzzard Midstream LLC. ISQ Global Fund II GP, LLC ("Fund II GP") is the general partner of the members of the indirect owners of Buzzard Midstream LLC and, in such capacity, exercises voting and investment power over the securities directly held by Buzzard Midstream LLC. I Squared Capital 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: 0001140361-23-004181 · 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: 1,759,453

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

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

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

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

F4 · balance_after: This number includes 609,942 shares of Class A Common Stock acquired on December 17, 2022, 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.

F5 · balance_after: The securities are directly held by Buzzard Midstream LLC. ISQ Global Fund II GP, LLC ("Fund II GP") is the general partner of the members of the indirect owners of Buzzard Midstream LLC and, in such capacity, exercises voting and investment power over the securities directly held by Buzzard Midstream LLC. I Squared Capital 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.

F5 · ownership.nature: The securities are directly held by Buzzard Midstream LLC. ISQ Global Fund II GP, LLC ("Fund II GP") is the general partner of the members of the indirect owners of Buzzard Midstream LLC and, in such capacity, exercises voting and investment power over the securities directly held by Buzzard Midstream LLC. I Squared Capital 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: 0000899243-23-003493 · 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: 537,161

Underlying: Class A Common Stock · 554 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 January 31, 2023, certain Reporting Persons received shares of Class A Common Stock in settlement of Consideration Allocation Rights pursuant to the Allocation Agreement.

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

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

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

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

F8 · ownership.nature: (continued from footnote 7) The sole holder of the Series II preferred stock of Blackstone Inc. is Blackstone Group Management L.L.C. Blackstone Group Management L.L.C. is wholly-owned by Blackstone Inc.'s senior managing directors and controlled by its founder, Stephen A. Schwarzman.

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

F10 · ownership.nature: Information with respect to each of the Reporting Persons is given solely by such Reporting Person, and no Reporting Person has responsibility for the accuracy or completeness of information supplied by another Reporting Person.

F11 · ownership.nature: Each of the Reporting Persons (other than to the extent it directly holds securities reported herein) disclaims beneficial ownership of the securities held by the other Reporting Persons, except to the extent of such Reporting Person's pecuniary interest therein, and, pursuant to Rule 16a-1(a)(4) under the Securities Exchange Act of 1934, each of the Reporting Persons (other than to the extent it directly holds securities reported herein) states that the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of all of the reported securities for purposes of Section 16 or for any other purpose.

SEC source: 0000899243-23-003493 · 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: 3,326,025

Underlying: Class A Common Stock · 3,433 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 January 31, 2023, certain Reporting Persons received shares of Class A Common Stock in settlement of Consideration Allocation Rights pursuant to the Allocation Agreement.

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

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

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

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

F8 · ownership.nature: (continued from footnote 7) The sole holder of the Series II preferred stock of Blackstone Inc. is Blackstone Group Management L.L.C. Blackstone Group Management L.L.C. is wholly-owned by Blackstone Inc.'s senior managing directors and controlled by its founder, Stephen A. Schwarzman.

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

F10 · ownership.nature: Information with respect to each of the Reporting Persons is given solely by such Reporting Person, and no Reporting Person has responsibility for the accuracy or completeness of information supplied by another Reporting Person.

F11 · ownership.nature: Each of the Reporting Persons (other than to the extent it directly holds securities reported herein) disclaims beneficial ownership of the securities held by the other Reporting Persons, except to the extent of such Reporting Person's pecuniary interest therein, and, pursuant to Rule 16a-1(a)(4) under the Securities Exchange Act of 1934, each of the Reporting Persons (other than to the extent it directly holds securities reported herein) states that the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of all of the reported securities for purposes of Section 16 or for any other purpose.

SEC source: 0000899243-23-003493 · 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: 583,812

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 January 31, 2023, certain Reporting Persons received shares of Class A Common Stock in settlement of Consideration Allocation Rights pursuant to the Allocation Agreement.

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

F4 · balance_after: Includes an additional 202,388 shares acquired by BX Permian Pipeline Aggregator LP since the date of the Reporting Persons' last Form 4 pursuant to the Company's Dividend and Distribution Reinvestment Plan, which acquisitions were exempt from Section 16 pursuant to Rule 16a-11 under the Securities Exchange Act of 1934, as amended.

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

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

F8 · ownership.nature: (continued from footnote 7) The sole holder of the Series II preferred stock of Blackstone Inc. is Blackstone Group Management L.L.C. Blackstone Group Management L.L.C. is wholly-owned by Blackstone Inc.'s senior managing directors and controlled by its founder, Stephen A. Schwarzman.

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

F10 · ownership.nature: Information with respect to each of the Reporting Persons is given solely by such Reporting Person, and no Reporting Person has responsibility for the accuracy or completeness of information supplied by another Reporting Person.

F11 · ownership.nature: Each of the Reporting Persons (other than to the extent it directly holds securities reported herein) disclaims beneficial ownership of the securities held by the other Reporting Persons, except to the extent of such Reporting Person's pecuniary interest therein, and, pursuant to Rule 16a-1(a)(4) under the Securities Exchange Act of 1934, each of the Reporting Persons (other than to the extent it directly holds securities reported herein) states that the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of all of the reported securities for purposes of Section 16 or for any other purpose.

SEC source: 0000899243-23-003493 · 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: 3,611,272

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 January 31, 2023, certain Reporting Persons received shares of Class A Common Stock in settlement of Consideration Allocation Rights pursuant to the Allocation Agreement.

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

F3 · balance_after: Includes an additional 1,251,897 shares acquired by BCP Raptor Aggregator, LP since the date of the Reporting Persons' last Form 4 pursuant to the Company's Dividend and Distribution Reinvestment Plan, which acquisitions were exempt from Section 16 pursuant to Rule 16a-11 under the Securities Exchange Act of 1934, as amended.

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

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

F8 · ownership.nature: (continued from footnote 7) The sole holder of the Series II preferred stock of Blackstone Inc. is Blackstone Group Management L.L.C. Blackstone Group Management L.L.C. is wholly-owned by Blackstone Inc.'s senior managing directors and controlled by its founder, Stephen A. Schwarzman.

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

F10 · ownership.nature: Information with respect to each of the Reporting Persons is given solely by such Reporting Person, and no Reporting Person has responsibility for the accuracy or completeness of information supplied by another Reporting Person.

F11 · ownership.nature: Each of the Reporting Persons (other than to the extent it directly holds securities reported herein) disclaims beneficial ownership of the securities held by the other Reporting Persons, except to the extent of such Reporting Person's pecuniary interest therein, and, pursuant to Rule 16a-1(a)(4) under the Securities Exchange Act of 1934, each of the Reporting Persons (other than to the extent it directly holds securities reported herein) states that the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of all of the reported securities for purposes of Section 16 or for any other purpose.

SEC source: 0000950170-22-026472 · ownership.xml · nonDerivative · entry 1

Carpenter Todd · CIK 0001601910 · See Remarks

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 190,645

F1 · shares: 4,000 shares of Class A Common Stock held in the Reporting Person's investment account that were inadvertently omitted from the Reporting Person's Form 3.

F2 · balance_after: On June 9, 2022, the Company's common stock split on a two-for-one basis resulting in an increase of 89,577 shares beneficially owned by the reporting person.

F3 · balance_after: Includes 11,491 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 Mr. Carpenter's immediately prior Form 4 filing.

SEC source: 0000899243-22-037346 · doc4.xml · nonDerivative · entry 1

Psencik Anne · CIK 0001911570 · Chief Strategy Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 184,238

F1 · shares: Represents an award of restricted stock units ("RSUs") that will vest on the third anniversary of the grant date and may be settled only for shares of common stock on a one-for-one basis.

F2 · balance_after: Includes 6,492 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: 0000899243-22-035119 · 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: 537,715

Underlying: Class A Common Stock · 131 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 November 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.

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

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

F8 · ownership.nature: (continued from footnote 7) The sole holder of the Series II preferred stock of Blackstone Inc. is Blackstone Group Management L.L.C. Blackstone Group Management L.L.C. is wholly-owned by Blackstone Inc.'s senior managing directors and controlled by its founder, Stephen A. Schwarzman.

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

F10 · ownership.nature: Information with respect to each of the Reporting Persons is given solely by such Reporting Person, and no Reporting Person has responsibility for the accuracy or completeness of information supplied by another Reporting Person.

F11 · ownership.nature: Each of the Reporting Persons (other than to the extent it directly holds securities reported herein) disclaims beneficial ownership of the securities held by the other Reporting Persons, except to the extent of such Reporting Person's pecuniary interest therein, and, pursuant to Rule 16a-1(a)(4) under the Securities Exchange Act of 1934, each of the Reporting Persons (other than to the extent it directly holds securities reported herein) states that the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of all of the reported securities for purposes of Section 16 or for any other purpose.

SEC source: 0000899243-22-035119 · 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: 3,329,458

Underlying: Class A Common Stock · 813 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 November 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.

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

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

F8 · ownership.nature: (continued from footnote 7) The sole holder of the Series II preferred stock of Blackstone Inc. is Blackstone Group Management L.L.C. Blackstone Group Management L.L.C. is wholly-owned by Blackstone Inc.'s senior managing directors and controlled by its founder, Stephen A. Schwarzman.

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

F10 · ownership.nature: Information with respect to each of the Reporting Persons is given solely by such Reporting Person, and no Reporting Person has responsibility for the accuracy or completeness of information supplied by another Reporting Person.

F11 · ownership.nature: Each of the Reporting Persons (other than to the extent it directly holds securities reported herein) disclaims beneficial ownership of the securities held by the other Reporting Persons, except to the extent of such Reporting Person's pecuniary interest therein, and, pursuant to Rule 16a-1(a)(4) under the Securities Exchange Act of 1934, each of the Reporting Persons (other than to the extent it directly holds securities reported herein) states that the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of all of the reported securities for purposes of Section 16 or for any other purpose.

SEC source: 0000899243-22-035119 · 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: 380,870

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 November 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 · balance_after: Includes an additional 183,359 shares acquired by BX Permian Pipeline Aggregator LP since the date of the Reporting Persons' last Form 4 pursuant to the Company's Dividend and Distribution Reinvestment Plan, which acquisitions were exempt from Section 16 pursuant to Rule 16a-11 under the Securities Exchange Act of 1934, as amended.

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

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

F8 · ownership.nature: (continued from footnote 7) The sole holder of the Series II preferred stock of Blackstone Inc. is Blackstone Group Management L.L.C. Blackstone Group Management L.L.C. is wholly-owned by Blackstone Inc.'s senior managing directors and controlled by its founder, Stephen A. Schwarzman.

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

F10 · ownership.nature: Information with respect to each of the Reporting Persons is given solely by such Reporting Person, and no Reporting Person has responsibility for the accuracy or completeness of information supplied by another Reporting Person.

F11 · ownership.nature: Each of the Reporting Persons (other than to the extent it directly holds securities reported herein) disclaims beneficial ownership of the securities held by the other Reporting Persons, except to the extent of such Reporting Person's pecuniary interest therein, and, pursuant to Rule 16a-1(a)(4) under the Securities Exchange Act of 1934, each of the Reporting Persons (other than to the extent it directly holds securities reported herein) states that the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of all of the reported securities for purposes of Section 16 or for any other purpose.

SEC source: 0000899243-22-035119 · 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: 2,355,942

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 November 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: Includes an additional 1,134,190 shares acquired by BCP Raptor Aggregator, LP since the date of the Reporting Persons' last Form 4 pursuant to the Company's Dividend and Distribution Reinvestment Plan, which acquisitions were exempt from Section 16 pursuant to Rule 16a-11 under the Securities Exchange Act of 1934, as amended.

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

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

F8 · ownership.nature: (continued from footnote 7) The sole holder of the Series II preferred stock of Blackstone Inc. is Blackstone Group Management L.L.C. Blackstone Group Management L.L.C. is wholly-owned by Blackstone Inc.'s senior managing directors and controlled by its founder, Stephen A. Schwarzman.

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

F10 · ownership.nature: Information with respect to each of the Reporting Persons is given solely by such Reporting Person, and no Reporting Person has responsibility for the accuracy or completeness of information supplied by another Reporting Person.

F11 · ownership.nature: Each of the Reporting Persons (other than to the extent it directly holds securities reported herein) disclaims beneficial ownership of the securities held by the other Reporting Persons, except to the extent of such Reporting Person's pecuniary interest therein, and, pursuant to Rule 16a-1(a)(4) under the Securities Exchange Act of 1934, each of the Reporting Persons (other than to the extent it directly holds securities reported herein) states that the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of all of the reported securities for purposes of Section 16 or for any other purpose.

SEC source: 0000899243-22-035117 · doc4.xml · derivative · entry 4

Welch Jamie · CIK 0001579251 · Director · See Remarks

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 24,513

Underlying: Class A Common Stock · 6 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 November 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.

SEC source: 0000899243-22-035117 · doc4.xml · nonDerivative · entry 1

Welch Jamie · CIK 0001579251 · Director · See Remarks

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 2,894,059

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 November 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.

SEC source: 0001140361-22-039941 · 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: 1,609,214

Underlying: Class A Common Stock · 396 shares

Expires not disclosed

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

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

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

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

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

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

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

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

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

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

F4 · balance_after: This number includes 552,592 shares of Class A Common Stock acquired on August 17, 2022, 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.

F5 · ownership.nature: The securities are directly held by Buzzard Midstream LLC. ISQ Global Fund II GP, LLC ("Fund II GP") is the general partner of the members of the indirect owners of Buzzard Midstream LLC and, in such capacity, exercises voting and investment power over the securities directly held by Buzzard Midstream LLC. I Squared Capital 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: 0001140361-22-039941 · 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: 1,147,840

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

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

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

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

F4 · balance_after: This number includes 552,592 shares of Class A Common Stock acquired on August 17, 2022, 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.

F5 · balance_after: The securities are directly held by Buzzard Midstream LLC. ISQ Global Fund II GP, LLC ("Fund II GP") is the general partner of the members of the indirect owners of Buzzard Midstream LLC and, in such capacity, exercises voting and investment power over the securities directly held by Buzzard Midstream LLC. I Squared Capital 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.

F5 · ownership.nature: The securities are directly held by Buzzard Midstream LLC. ISQ Global Fund II GP, LLC ("Fund II GP") is the general partner of the members of the indirect owners of Buzzard Midstream LLC and, in such capacity, exercises voting and investment power over the securities directly held by Buzzard Midstream LLC. I Squared Capital 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: 0000899243-22-035120 · 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: 537,715

Underlying: Class A Common Stock · 131 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 November 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.

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

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

F8 · ownership.nature: (continued from footnote 7) The sole holder of the Series II preferred stock of Blackstone Inc. is Blackstone Group Management L.L.C. Blackstone Group Management L.L.C. is wholly-owned by Blackstone Inc.'s senior managing directors and controlled by its founder, Stephen A. Schwarzman.

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

F10 · ownership.nature: Information with respect to each of the Reporting Persons is given solely by such Reporting Person, and no Reporting Person has responsibility for the accuracy or completeness of information supplied by another Reporting Person.

F11 · ownership.nature: Each of the Reporting Persons (other than to the extent it directly holds securities reported herein) disclaims beneficial ownership of the securities held by the other Reporting Persons, except to the extent of such Reporting Person's pecuniary interest therein, and, pursuant to Rule 16a-1(a)(4) under the Securities Exchange Act of 1934, each of the Reporting Persons (other than to the extent it directly holds securities reported herein) states that the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of all of the reported securities for purposes of Section 16 or for any other purpose.

SEC source: 0000899243-22-035120 · 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: 3,329,458

Underlying: Class A Common Stock · 813 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 November 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.

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

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

F8 · ownership.nature: (continued from footnote 7) The sole holder of the Series II preferred stock of Blackstone Inc. is Blackstone Group Management L.L.C. Blackstone Group Management L.L.C. is wholly-owned by Blackstone Inc.'s senior managing directors and controlled by its founder, Stephen A. Schwarzman.

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

F10 · ownership.nature: Information with respect to each of the Reporting Persons is given solely by such Reporting Person, and no Reporting Person has responsibility for the accuracy or completeness of information supplied by another Reporting Person.

F11 · ownership.nature: Each of the Reporting Persons (other than to the extent it directly holds securities reported herein) disclaims beneficial ownership of the securities held by the other Reporting Persons, except to the extent of such Reporting Person's pecuniary interest therein, and, pursuant to Rule 16a-1(a)(4) under the Securities Exchange Act of 1934, each of the Reporting Persons (other than to the extent it directly holds securities reported herein) states that the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of all of the reported securities for purposes of Section 16 or for any other purpose.

SEC source: 0000899243-22-035120 · 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: 380,870

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 November 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 · balance_after: Includes an additional 183,359 shares acquired by BX Permian Pipeline Aggregator LP since the date of the Reporting Persons' last Form 4 pursuant to the Company's Dividend and Distribution Reinvestment Plan, which acquisitions were exempt from Section 16 pursuant to Rule 16a-11 under the Securities Exchange Act of 1934, as amended.

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

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

F8 · ownership.nature: (continued from footnote 7) The sole holder of the Series II preferred stock of Blackstone Inc. is Blackstone Group Management L.L.C. Blackstone Group Management L.L.C. is wholly-owned by Blackstone Inc.'s senior managing directors and controlled by its founder, Stephen A. Schwarzman.

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

F10 · ownership.nature: Information with respect to each of the Reporting Persons is given solely by such Reporting Person, and no Reporting Person has responsibility for the accuracy or completeness of information supplied by another Reporting Person.

F11 · ownership.nature: Each of the Reporting Persons (other than to the extent it directly holds securities reported herein) disclaims beneficial ownership of the securities held by the other Reporting Persons, except to the extent of such Reporting Person's pecuniary interest therein, and, pursuant to Rule 16a-1(a)(4) under the Securities Exchange Act of 1934, each of the Reporting Persons (other than to the extent it directly holds securities reported herein) states that the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of all of the reported securities for purposes of Section 16 or for any other purpose.

SEC source: 0000899243-22-035120 · 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: 2,355,942

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 November 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: Includes an additional 1,134,190 shares acquired by BCP Raptor Aggregator, LP since the date of the Reporting Persons' last Form 4 pursuant to the Company's Dividend and Distribution Reinvestment Plan, which acquisitions were exempt from Section 16 pursuant to Rule 16a-11 under the Securities Exchange Act of 1934, as amended.

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

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

F8 · ownership.nature: (continued from footnote 7) The sole holder of the Series II preferred stock of Blackstone Inc. is Blackstone Group Management L.L.C. Blackstone Group Management L.L.C. is wholly-owned by Blackstone Inc.'s senior managing directors and controlled by its founder, Stephen A. Schwarzman.

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

F10 · ownership.nature: Information with respect to each of the Reporting Persons is given solely by such Reporting Person, and no Reporting Person has responsibility for the accuracy or completeness of information supplied by another Reporting Person.

F11 · ownership.nature: Each of the Reporting Persons (other than to the extent it directly holds securities reported herein) disclaims beneficial ownership of the securities held by the other Reporting Persons, except to the extent of such Reporting Person's pecuniary interest therein, and, pursuant to Rule 16a-1(a)(4) under the Securities Exchange Act of 1934, each of the Reporting Persons (other than to the extent it directly holds securities reported herein) states that the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of all of the reported securities for purposes of Section 16 or for any other purpose.

SEC source: 0000899243-22-032389 · doc4.xml · nonDerivative · entry 1

Welch Jamie · CIK 0001579251 · Director · See Remarks

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 2,894,053

F1 · price: The price reported in Column 4 is a weighted average price. These shares were bought in multiple transactions at prices ranging from $32.82 to $33.00, inclusive. The reporting person undertakes to provide to Kinetik Holdings Inc. (the "Company"), any security holder of the Company, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares bought at each separate price within the ranges set forth in this footnote.

SEC source: 0000899243-22-031700 · doc4.xml · nonDerivative · entry 1

Welch Jamie · CIK 0001579251 · Director · See Remarks

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 2,888,369

SEC source: 0000899243-22-031358 · doc4.xml · nonDerivative · entry 1

Wall Matthew · CIK 0001911571 · Executive Vice President, COO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 420,716

F1 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $40.37 to $40.58, inclusive. The reporting person undertakes to provide to Kinetik Holdings Inc. (the "Company"), any security holder of the Company, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote.

F2 · balance_after: On June 9, 2022, the Company's common stock split on a two-for-one basis resulting in an increase of 210,628 shares beneficially owned by the reporting person.

F3 · balance_after: Includes 17,122 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 Mr. Wall's immediately prior Form 4 filing.

SEC source: 0000899243-22-029168 · doc4.xml · nonDerivative · entry 1

Welch Jamie · CIK 0001579251 · Director · See Remarks

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 2,863,619

F1 · balance_after: Includes an additional 72,125 shares 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: 0000899243-22-028882 · doc4.xml · nonDerivative · entry 2

Welch Jamie · CIK 0001579251 · Director · See Remarks

10b5-1 filing: Not disclosed

Ownership: Indirect · By 401(k) plan

Disclosed balance after: 787

F1 · kind: These transactions represent an intra-plan reallocation of funds from other available plan options to shares of the Issuer's Class A Common Stock.

SEC source: 0000899243-22-028882 · doc4.xml · nonDerivative · entry 1

Welch Jamie · CIK 0001579251 · Director · See Remarks

10b5-1 filing: Not disclosed

Ownership: Indirect · By 401(k) plan

Disclosed balance after: 676

F1 · kind: These transactions represent an intra-plan reallocation of funds from other available plan options to shares of the Issuer's Class A Common Stock.

SEC source: 0000899243-22-028678 · doc4.xml · nonDerivative · entry 1

Psencik Anne · CIK 0001911570 · Chief Strategy Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 153,546

SEC source: 0000899243-22-027864 · 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: 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.