PAGP

SEC source: 0001062993-23-000530 · form4.xml · derivative · entry 1

Goebel Jeremy L. · CIK 0001769336 · EVP & CCO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Class A Units/Class B Shares · 35,350 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 · kind: Pursuant to the limited partnership agreement of Plains AAP, L.P. ("AAP"), a holder of vested Class B Units of AAP, (the "Class B Units") may convert (the "Conversion Right"), at any time and from time to time, such Class B Units into Class A Units of AAP (the "Class A Units") and Class B Shares (the "Class B Shares") of Plains GP Holdings, L.P. ("PAGP"), at a conversion ratio of approximately 0.941 Class A Units and Class B Shares for each Class B Unit. The Conversion Right does not expire. On January 4, 2023, the Reporting Person exercised his right to convert 37,552 vested Class B Units into 35,350 Class A Units and Class B shares.

F1 · derivative.exercise_date: Pursuant to the limited partnership agreement of Plains AAP, L.P. ("AAP"), a holder of vested Class B Units of AAP, (the "Class B Units") may convert (the "Conversion Right"), at any time and from time to time, such Class B Units into Class A Units of AAP (the "Class A Units") and Class B Shares (the "Class B Shares") of Plains GP Holdings, L.P. ("PAGP"), at a conversion ratio of approximately 0.941 Class A Units and Class B Shares for each Class B Unit. The Conversion Right does not expire. On January 4, 2023, the Reporting Person exercised his right to convert 37,552 vested Class B Units into 35,350 Class A Units and Class B shares.

F1 · derivative.expiration_date: Pursuant to the limited partnership agreement of Plains AAP, L.P. ("AAP"), a holder of vested Class B Units of AAP, (the "Class B Units") may convert (the "Conversion Right"), at any time and from time to time, such Class B Units into Class A Units of AAP (the "Class A Units") and Class B Shares (the "Class B Shares") of Plains GP Holdings, L.P. ("PAGP"), at a conversion ratio of approximately 0.941 Class A Units and Class B Shares for each Class B Unit. The Conversion Right does not expire. On January 4, 2023, the Reporting Person exercised his right to convert 37,552 vested Class B Units into 35,350 Class A Units and Class B shares.

SEC source: 0001062993-22-018568 · form4.xml · nonDerivative · entry 1

DeSanctis Ellen · CIK 0001445607 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 10,000

SEC source: 0001062993-22-018408 · form4.xml · derivative · entry 1

SHACKOULS BOBBY S · CIK 0001064171 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 11,400

Underlying: Class A Shares · 11,400 shares

Expires not disclosed

F1 · security: Grant of Phantom Class A shares under Long-Term Incentive Plan (includes associated dividend equivalent rights payable in cash).

F2 · derivative.exercise_price: One Class A share is deliverable for each Phantom Class A share that vests.

F3 · derivative.expiration_date: Upon termination of service as director, other than because of death disability or retirement.

SEC source: 0001062993-22-018400 · form4.xml · derivative · entry 1

PETERSEN GARY R · CIK 0001181757 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 11,400

Underlying: Class A Shares · 11,400 shares

Expires not disclosed

F1 · security: Grant of Phantom Class A shares under Long-Term Incentive Plan (includes associated dividend equivalent rights payable in cash).

F2 · derivative.exercise_price: One Class A share is deliverable for each Phantom Class A share that vests.

F3 · derivative.expiration_date: Upon termination of service as director, other than because of death disability or retirement.

SEC source: 0001062993-22-018406 · form4.xml · derivative · entry 1

Temple Chris · CIK 0001464683 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 11,400

Underlying: Class A Shares · 11,400 shares

Expires not disclosed

F1 · security: Grant of Phantom Class A shares under Long-Term Incentive Plan (includes associated dividend equivalent rights payable in cash).

F2 · derivative.exercise_price: One Class A share is deliverable for each Phantom Class A share that vests.

F3 · derivative.expiration_date: Upon termination of service as director, other than because of death disability or retirement.

SEC source: 0001062993-22-018396 · form4.xml · derivative · entry 1

DeSanctis Ellen · CIK 0001445607 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 11,400

Underlying: Class A Shares · 11,400 shares

Expires not disclosed

F1 · security: Grant of Phantom Class A shares under Long-Term Incentive Plan (includes associated dividend equivalent rights payable in cash).

F2 · derivative.exercise_price: One Class A share is deliverable for each Phantom Class A share that vests.

F3 · derivative.expiration_date: Upon termination of service as director, other than because of death disability or retirement.

SEC source: 0001062993-22-018393 · form4.xml · derivative · entry 1

Burk Victor · CIK 0001375349 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 11,400

Underlying: Class A Shares · 11,400 shares

Expires not disclosed

F1 · security: Grant of Phantom Class A shares under Long-Term Incentive Plan (includes associated dividend equivalent rights payable in cash).

F2 · derivative.exercise_price: One Class A share is deliverable for each Phantom Class A share that vests.

F3 · derivative.expiration_date: Upon termination of service as director, other than because of death disability or retirement.

SEC source: 0001062993-22-018404 · form4.xml · derivative · entry 1

RAYMOND JOHN T · CIK 0001186173 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 11,400

Underlying: Class A Shares · 11,400 shares

Expires not disclosed

F1 · security: Grant of Phantom Class A shares under Long-Term Incentive Plan (includes associated dividend equivalent rights payable in cash).

F2 · derivative.exercise_price: One Class A share is deliverable for each Phantom Class A share that vests.

F3 · derivative.expiration_date: Upon termination of service as director, other than because of death disability or retirement.

SEC source: 0001062993-22-018398 · form4.xml · derivative · entry 1

McCarthy Kevin S · CIK 0001304183 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 11,400

Underlying: Class A Shares · 11,400 shares

Expires not disclosed

F1 · security: Grant of Phantom Class A shares under Long-Term Incentive Plan (includes associated dividend equivalent rights payable in cash).

F2 · derivative.exercise_price: One Class A share is deliverable for each Phantom Class A share that vests.

F3 · derivative.expiration_date: Upon termination of service as director, other than because of death disability or retirement.

SEC source: 0001062993-22-018410 · form4.xml · derivative · entry 1

Ziemba Lawrence Michael · CIK 0001547334 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 11,400

Underlying: Class A Shares · 11,400 shares

Expires not disclosed

F1 · security: Grant of Phantom Class A shares under Long-Term Incentive Plan (includes associated dividend equivalent rights payable in cash).

F2 · derivative.exercise_price: One Class A share is deliverable for each Phantom Class A share that vests.

F3 · derivative.expiration_date: Upon termination of service as director, other than because of death disability or retirement.

SEC source: 0001062993-22-018402 · form4.xml · derivative · entry 1

Pruner Alexandra · CIK 0001759034 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 11,400

Underlying: Class A Shares · 11,400 shares

Expires not disclosed

F1 · security: Grant of Phantom Class A shares under Long-Term Incentive Plan (includes associated dividend equivalent rights payable in cash).

F2 · derivative.exercise_price: One Class A share is deliverable for each Phantom Class A share that vests.

F3 · derivative.expiration_date: Upon termination of service as director, other than because of death disability or retirement.

SEC source: 0001062993-22-018139 · form4.xml · derivative · entry 2

SHACKOULS BOBBY S · CIK 0001064171 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Class A Shares · 4,879 shares

Expires 2022-08-12

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: Phantom Class A shares granted under Long-Term Incentive Plan (includes associated dividend equivalent rights payable in cash).

F2 · derivative.exercise_price: One Class A share is deliverable for each Phantom Class A share that vests.

SEC source: 0001062993-22-018139 · form4.xml · nonDerivative · entry 1

SHACKOULS BOBBY S · CIK 0001064171 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 9,385

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.

SEC source: 0001062993-22-018134 · form4.xml · derivative · entry 2

PETERSEN GARY R · CIK 0001181757 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Class A Shares · 4,879 shares

Expires 2022-08-12

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: Phantom Class A shares granted under Long-Term Incentive Plan (includes associated dividend equivalent rights payable in cash).

F2 · derivative.exercise_price: One Class A share is deliverable for each Phantom Class A share that vests.

SEC source: 0001062993-22-018134 · form4.xml · nonDerivative · entry 1

PETERSEN GARY R · CIK 0001181757 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 14,879

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.

SEC source: 0001062993-22-018141 · form4.xml · derivative · entry 2

Temple Chris · CIK 0001464683 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Class A Shares · 4,879 shares

Expires 2022-08-12

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: Phantom Class A shares granted under Long-Term Incentive Plan (includes associated dividend equivalent rights payable in cash).

F2 · derivative.exercise_price: One Class A share is deliverable for each Phantom Class A share that vests.

SEC source: 0001062993-22-018141 · form4.xml · nonDerivative · entry 1

Temple Chris · CIK 0001464683 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 23,629

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.

SEC source: 0001062993-22-018129 · form4.xml · derivative · entry 2

Burk Victor · CIK 0001375349 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Class A Shares · 4,879 shares

Expires 2022-08-12

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: Phantom Class A shares granted under Long-Term Incentive Plan (includes associated dividend equivalent rights payable in cash).

F2 · derivative.exercise_price: One Class A share is deliverable for each Phantom Class A share that vests.

SEC source: 0001062993-22-018129 · form4.xml · nonDerivative · entry 1

Burk Victor · CIK 0001375349 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 12,013

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.

SEC source: 0001062993-22-018136 · form4.xml · derivative · entry 2

RAYMOND JOHN T · CIK 0001186173 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Class A Shares · 3,903 shares

Expires 2022-08-12

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: Phantom Class A shares vests annually on August distribution date.

F2 · derivative.exercise_price: One Class A share is deliverable for each Phantom Class A share that vests.

SEC source: 0001062993-22-018136 · form4.xml · nonDerivative · entry 1

RAYMOND JOHN T · CIK 0001186173 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 256,934

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.

SEC source: 0001062993-22-018143 · form4.xml · derivative · entry 2

Ziemba Lawrence Michael · CIK 0001547334 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 6,480

Underlying: Class A Shares · 6,480 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: Phantom Class A shares granted under Long-Term Incentive Plan (includes associated dividend equivalent rights payable in cash).

F2 · derivative.exercise_price: One Class A share is deliverable for each Phantom Class A share that vests.

F3 · derivative.exercise_date: Phantom Class A shares vests annually on August distribution date.

F4 · derivative.expiration_date: Upon termination of service as director, other than because of death, disability or retirement.

SEC source: 0001062993-22-018143 · form4.xml · nonDerivative · entry 1

Ziemba Lawrence Michael · CIK 0001547334 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 27,010

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.

SEC source: 0001062993-22-018131 · form4.xml · derivative · entry 2

Pruner Alexandra · CIK 0001759034 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Class A Shares · 5,816 shares

Expires 2022-08-12

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: Phantom Class A shares granted under Long-Term Incentive Plan (includes associated dividend equivalent rights payable in cash).

F2 · derivative.exercise_price: One Class A share is deliverable for each Phantom Class A share that vests.

SEC source: 0001062993-22-018131 · form4.xml · nonDerivative · entry 1

Pruner Alexandra · CIK 0001759034 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 21,384

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.

SEC source: 0001062993-23-003857 · form4a.xml · nonDerivative · entry 1

PETERSEN GARY R · CIK 0001181757 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 8,634

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 · balance_after: This amendment to Form 4 is being filed to correct the total number of securities owned in Column 5.

SEC source: 0001638397-22-000002 · primary_doc.xml · derivative · entry 3

KAFU Holdings (QP), L.P. · CIK 0001638385 · See remarks

KAYNE ANDERSON CAPITAL ADVISORS LP · CIK 0000949615 · See remarks

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

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnotes

Disclosed balance after: 11,722,210

Underlying: Class A Shares · 29,700 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_date: KAFU Holdings (QP), L.P. ("KAFU") holds Class B shares representing limited partner interests in Plains GP Holdings L.P. (the "Issuer"), an equivalent number of units representing limited liability company interests of the Issuer's general partner ("GP Units"), and an equivalent number of Class A Units representing limited partner interests in Plains AAP, L.P. ("AAP"). The Eighth Amended and Restated Limited Partnership Agreement of AAP provides that each limited partner of AAP, including KAFU, has the right at any time (without expiration) to immediately exchange (the "Exchange Right") its Class A units in AAP together with a like number of Class B shares and GP Units, for a like number of Class A shares of the Issuer. On December 31, 2021, KAFU Holdings (QP), L.P. exercised the Exchange Right with respect to 29,700 Class A Units.

F2 · derivative.exercise_date: Kayne Anderson Capital Advisors, L.P. ("KACALP") is the manager of the general partner of KAFU and may be deemed to beneficially own the Class B shares, Class A Units, and GP Units held by KAFU. The filing of this statement shall not be construed as an admission that either KAFU or KACALP are, for purposes of Section 13(d) of the Exchange Act, as amended, the beneficial owner of any security.

F1 · derivative.expiration_date: KAFU Holdings (QP), L.P. ("KAFU") holds Class B shares representing limited partner interests in Plains GP Holdings L.P. (the "Issuer"), an equivalent number of units representing limited liability company interests of the Issuer's general partner ("GP Units"), and an equivalent number of Class A Units representing limited partner interests in Plains AAP, L.P. ("AAP"). The Eighth Amended and Restated Limited Partnership Agreement of AAP provides that each limited partner of AAP, including KAFU, has the right at any time (without expiration) to immediately exchange (the "Exchange Right") its Class A units in AAP together with a like number of Class B shares and GP Units, for a like number of Class A shares of the Issuer. On December 31, 2021, KAFU Holdings (QP), L.P. exercised the Exchange Right with respect to 29,700 Class A Units.

F2 · derivative.expiration_date: Kayne Anderson Capital Advisors, L.P. ("KACALP") is the manager of the general partner of KAFU and may be deemed to beneficially own the Class B shares, Class A Units, and GP Units held by KAFU. The filing of this statement shall not be construed as an admission that either KAFU or KACALP are, for purposes of Section 13(d) of the Exchange Act, as amended, the beneficial owner of any security.

F4 · balance_after: In a simultaneous transaction, KAFU exercised the redemption right provided for in the limited partnership agreement of AAP with respect to 140,505 Class A units. As a result, such Class A units were cancelled and 140,505 Common Units of Plains All American Pipeline, L.P. were distributed by AAP to KAFU. The number of derivative securities owned reflects both the exchange transaction reported herein and the simultaneous redemption transaction.

F1 · ownership.nature: KAFU Holdings (QP), L.P. ("KAFU") holds Class B shares representing limited partner interests in Plains GP Holdings L.P. (the "Issuer"), an equivalent number of units representing limited liability company interests of the Issuer's general partner ("GP Units"), and an equivalent number of Class A Units representing limited partner interests in Plains AAP, L.P. ("AAP"). The Eighth Amended and Restated Limited Partnership Agreement of AAP provides that each limited partner of AAP, including KAFU, has the right at any time (without expiration) to immediately exchange (the "Exchange Right") its Class A units in AAP together with a like number of Class B shares and GP Units, for a like number of Class A shares of the Issuer. On December 31, 2021, KAFU Holdings (QP), L.P. exercised the Exchange Right with respect to 29,700 Class A Units.

F2 · ownership.nature: Kayne Anderson Capital Advisors, L.P. ("KACALP") is the manager of the general partner of KAFU and may be deemed to beneficially own the Class B shares, Class A Units, and GP Units held by KAFU. The filing of this statement shall not be construed as an admission that either KAFU or KACALP are, for purposes of Section 13(d) of the Exchange Act, as amended, the beneficial owner of any security.

SEC source: 0001638397-22-000002 · primary_doc.xml · nonDerivative · entry 2

KAFU Holdings (QP), L.P. · CIK 0001638385 · See remarks

KAYNE ANDERSON CAPITAL ADVISORS LP · CIK 0000949615 · See remarks

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

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnotes

Disclosed balance after: 0

F1 · ownership.nature: KAFU Holdings (QP), L.P. ("KAFU") holds Class B shares representing limited partner interests in Plains GP Holdings L.P. (the "Issuer"), an equivalent number of units representing limited liability company interests of the Issuer's general partner ("GP Units"), and an equivalent number of Class A Units representing limited partner interests in Plains AAP, L.P. ("AAP"). The Eighth Amended and Restated Limited Partnership Agreement of AAP provides that each limited partner of AAP, including KAFU, has the right at any time (without expiration) to immediately exchange (the "Exchange Right") its Class A units in AAP together with a like number of Class B shares and GP Units, for a like number of Class A shares of the Issuer. On December 31, 2021, KAFU Holdings (QP), L.P. exercised the Exchange Right with respect to 29,700 Class A Units.

F2 · ownership.nature: Kayne Anderson Capital Advisors, L.P. ("KACALP") is the manager of the general partner of KAFU and may be deemed to beneficially own the Class B shares, Class A Units, and GP Units held by KAFU. The filing of this statement shall not be construed as an admission that either KAFU or KACALP are, for purposes of Section 13(d) of the Exchange Act, as amended, the beneficial owner of any security.

F3 · ownership.nature: The reported transaction involves an in-kind distribution to redeeming limited partners of KAFU Holdings (QP), L.P.

SEC source: 0001638397-22-000002 · primary_doc.xml · nonDerivative · entry 1

KAFU Holdings (QP), L.P. · CIK 0001638385 · See remarks

KAYNE ANDERSON CAPITAL ADVISORS LP · CIK 0000949615 · See remarks

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

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnotes

Disclosed balance after: 29,700

F1 · ownership.nature: KAFU Holdings (QP), L.P. ("KAFU") holds Class B shares representing limited partner interests in Plains GP Holdings L.P. (the "Issuer"), an equivalent number of units representing limited liability company interests of the Issuer's general partner ("GP Units"), and an equivalent number of Class A Units representing limited partner interests in Plains AAP, L.P. ("AAP"). The Eighth Amended and Restated Limited Partnership Agreement of AAP provides that each limited partner of AAP, including KAFU, has the right at any time (without expiration) to immediately exchange (the "Exchange Right") its Class A units in AAP together with a like number of Class B shares and GP Units, for a like number of Class A shares of the Issuer. On December 31, 2021, KAFU Holdings (QP), L.P. exercised the Exchange Right with respect to 29,700 Class A Units.

F2 · ownership.nature: Kayne Anderson Capital Advisors, L.P. ("KACALP") is the manager of the general partner of KAFU and may be deemed to beneficially own the Class B shares, Class A Units, and GP Units held by KAFU. The filing of this statement shall not be construed as an admission that either KAFU or KACALP are, for purposes of Section 13(d) of the Exchange Act, as amended, the beneficial owner of any security.

F3 · ownership.nature: The reported transaction involves an in-kind distribution to redeeming limited partners of KAFU Holdings (QP), L.P.

SEC source: 0001615619-21-000092 · edgar.xml · derivative · entry 1

SHACKOULS BOBBY S · CIK 0001064171 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 11,900

Underlying: Class A Shares · 11,900 shares

Expires not disclosed

F1 · security: Grant of Phantom Class A shares under Long-Term Incentive Plan (includes associated dividend equivalent rights payable in cash).

F2 · derivative.exercise_price: One Class A share is deliverable for each Phantom Class A share that vests.

F3 · derivative.expiration_date: Upon termination of service as director, other than because of death, disability or retirement.

SEC source: 0001615619-21-000086 · edgar.xml · derivative · entry 1

PETERSEN GARY R · CIK 0001181757 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 11,900

Underlying: Class A Shares · 11,900 shares

Expires not disclosed

F1 · security: Grant of Phantom Class A shares under Long-Term Incentive Plan (includes associated dividend equivalent rights payable in cash).

F2 · derivative.exercise_price: One Class A share is deliverable for each Phantom Class A share that vests.

F3 · derivative.expiration_date: Upon termination of service as director, other than because of death, disability or retirement.

SEC source: 0001615619-21-000094 · edgar.xml · derivative · entry 1

Temple Chris · CIK 0001464683 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 11,900

Underlying: Class A Shares · 11,900 shares

Expires not disclosed

F1 · security: Grant of Phantom Class A shares under Long-Term Incentive Plan (includes associated dividend equivalent rights payable in cash).

F2 · derivative.exercise_price: One Class A share is deliverable for each Phantom Class A share that vests.

F3 · derivative.expiration_date: Upon termination of service as director, other than because of death, disability or retirement.

SEC source: 0001615619-21-000081 · edgar.xml · derivative · entry 1

Burk Victor · CIK 0001375349 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 11,900

Underlying: Class A Shares · 11,900 shares

Expires not disclosed

F1 · security: Grant of Phantom Class A shares under Long-Term Incentive Plan (includes associated dividend equivalent rights payable in cash).

F2 · derivative.exercise_price: One Class A share is deliverable for each Phantom Class A share that vests.

F3 · derivative.expiration_date: Upon termination of service as director, other than because of death, disability or retirement.

SEC source: 0001615619-21-000090 · edgar.xml · derivative · entry 1

RAYMOND JOHN T · CIK 0001186173 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 11,900

Underlying: Class A Shares · 11,900 shares

Expires not disclosed

F1 · security: Grant of Phantom Class A shares under Long-Term Incentive Plan (includes associated dividend equivalent rights payable in cash).

F2 · derivative.exercise_price: One Class A share is deliverable for each Phantom Class A share that vests.

F3 · derivative.expiration_date: Upon termination of service as director, other than because of death, disability or retirement.

SEC source: 0001615619-21-000084 · edgar.xml · derivative · entry 1

McCarthy Kevin S · CIK 0001304183 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 11,900

Underlying: Class A Shares · 11,900 shares

Expires not disclosed

F1 · security: Grant of Phantom Class A shares under Long-Term Incentive Plan (includes associated dividend equivalent rights payable in cash).

F2 · derivative.exercise_price: One Class A share is deliverable for each Phantom Class A share that vests.

F3 · derivative.expiration_date: Upon termination of service as director, other than because of death, disability or retirement.

SEC source: 0001615619-21-000096 · edgar.xml · derivative · entry 1

Ziemba Lawrence Michael · CIK 0001547334 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 11,900

Underlying: Class A Shares · 11,900 shares

Expires not disclosed

F1 · security: Grant of Phantom Class A shares under Long-Term Incentive Plan (includes associated dividend equivalent rights payable in cash).

F2 · derivative.exercise_price: One Class A share is deliverable for each Phantom Class A share that vests.

F3 · derivative.expiration_date: Upon termination of service as director, other than because of death, disability or retirement.

SEC source: 0001615619-21-000088 · edgar.xml · derivative · entry 1

Pruner Alexandra · CIK 0001759034 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 11,900

Underlying: Class A Shares · 11,900 shares

Expires not disclosed

F1 · security: Grant of Phantom Class A shares under Long-Term Incentive Plan (includes associated dividend equivalent rights payable in cash).

F2 · derivative.exercise_price: One Class A share is deliverable for each Phantom Class A share that vests.

F3 · derivative.expiration_date: Upon termination of service as director, other than because of death, disability or retirement.

SEC source: 0001615619-21-000047 · edgar.xml · derivative · entry 2

Temple Chris · CIK 0001464683 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Class A Shares · 3,750 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: Phantom Class A shares granted under Long-Term Incentive Plan (includes associated dividend equivalent rights payable in cash).

F2 · derivative.exercise_price: One Class A share is deliverable for each Phantom Class A share that vests.

F3 · derivative.exercise_date: Phantom Class A Shares vests annually on August distribution date.

F4 · derivative.expiration_date: Upon termination of service as director, other than because of death, disability or retirement.

SEC source: 0001615619-21-000047 · edgar.xml · nonDerivative · entry 1

Temple Chris · CIK 0001464683 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 18,750

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.

SEC source: 0001615619-21-000045 · edgar.xml · derivative · entry 2

RAYMOND JOHN T · CIK 0001186173 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Class A Shares · 2,500 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: Phantom Class A shares granted under Long-Term Incentive Plan (includes associated dividend equivalent rights payable in cash).

F2 · derivative.exercise_price: One Class A share is deliverable for each Phantom Class A share that vests.

F3 · derivative.exercise_date: Phantom Class A Shares vests annually on August distribution date.

F4 · derivative.expiration_date: Upon termination of service as director, other than because of death, disability or retirement.

SEC source: 0001615619-21-000045 · edgar.xml · nonDerivative · entry 1

RAYMOND JOHN T · CIK 0001186173 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 253,031

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.

SEC source: 0001615619-21-000049 · edgar.xml · derivative · entry 2

Ziemba Lawrence Michael · CIK 0001547334 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 12,960

Underlying: Class A Shares · 6,480 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: Phantom Class A shares granted under Long-Term Incentive Plan (includes associated dividend equivalent rights payable in cash).

F2 · derivative.exercise_price: One Class A share is deliverable for each Phantom Class A share that vests.

F3 · derivative.exercise_date: Phantom Class A Shares vests annually on August distribution date.

F4 · derivative.expiration_date: Upon termination of service as director, other than because of death, disability or retirement.

SEC source: 0001615619-21-000049 · edgar.xml · nonDerivative · entry 1

Ziemba Lawrence Michael · CIK 0001547334 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 20,530

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.

SEC source: 0001615619-21-000043 · edgar.xml · derivative · entry 2

Pruner Alexandra · CIK 0001759034 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 5,816

Underlying: Class A Shares · 5,816 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: Phantom Class A shares granted under Long-Term Incentive Plan (includes associated dividend equivalent rights payable in cash).

F2 · derivative.exercise_price: One Class A share is deliverable for each Phantom Class A share that vests.

F3 · derivative.exercise_date: Phantom Class A Shares vests annually on August distribution date.

F4 · derivative.expiration_date: Upon termination of service as director, other than because of death, disability or retirement.

SEC source: 0001615619-21-000043 · edgar.xml · nonDerivative · entry 1

Pruner Alexandra · CIK 0001759034 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 15,568

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.

SEC source: 0001638397-21-000027 · primary_doc.xml · derivative · entry 3

KAFU Holdings (QP), L.P. · CIK 0001638385 · Director · See remarks

KAYNE ANDERSON CAPITAL ADVISORS LP · CIK 0000949615 · Director · See remarks

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

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnotes

Disclosed balance after: 15,273,461

Underlying: Class A Shares · 25,554 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 · derivative.exercise_date: KAFU Holdings (QP), L.P. ("KAFU") holds Class B shares representing limited partner interests in Plains GP Holdings L.P. (the "Issuer"), an equivalent number of units representing limited liability company interests of the Issuer's general partner ("GP Units"), and an equivalent number of Class A Units representing limited partner interests in Plains AAP, L.P. ("AAP"). The Eighth Amended and Restated Limited Partnership Agreement of AAP provides that each limited partner of AAP, including KAFU, has the right at any time (without expiration) to immediately exchange (the "Exchange Right") its Class A units in AAP together with a like number of Class B shares and GP Units, for a like number of Class A shares of the Issuer. On June 30, 2021, KAFU Holdings (QP), L.P. exercised the Exchange Right with respect to 25,554 Class A Units.

F2 · derivative.exercise_date: Kayne Anderson Capital Advisors, L.P. ("KACALP") is the manager of the general partner of KAFU and may be deemed to beneficially own the Class B shares, Class A Units, and GP Units held by KAFU. The filing of this statement shall not be construed as an admission that either KAFU or KACALP are, for purposes of Section 13(d) of the Exchange Act, as amended, the beneficial owner of any security.

F1 · derivative.expiration_date: KAFU Holdings (QP), L.P. ("KAFU") holds Class B shares representing limited partner interests in Plains GP Holdings L.P. (the "Issuer"), an equivalent number of units representing limited liability company interests of the Issuer's general partner ("GP Units"), and an equivalent number of Class A Units representing limited partner interests in Plains AAP, L.P. ("AAP"). The Eighth Amended and Restated Limited Partnership Agreement of AAP provides that each limited partner of AAP, including KAFU, has the right at any time (without expiration) to immediately exchange (the "Exchange Right") its Class A units in AAP together with a like number of Class B shares and GP Units, for a like number of Class A shares of the Issuer. On June 30, 2021, KAFU Holdings (QP), L.P. exercised the Exchange Right with respect to 25,554 Class A Units.

F2 · derivative.expiration_date: Kayne Anderson Capital Advisors, L.P. ("KACALP") is the manager of the general partner of KAFU and may be deemed to beneficially own the Class B shares, Class A Units, and GP Units held by KAFU. The filing of this statement shall not be construed as an admission that either KAFU or KACALP are, for purposes of Section 13(d) of the Exchange Act, as amended, the beneficial owner of any security.

F4 · balance_after: In a simultaneous transaction, KAFU exercised the redemption right provided for in the limited partnership agreement of AAP with respect to 535,009 Class A units. As a result, such Class A units were cancelled and 535,009 Common Units of Plains All American Pipeline, L.P. were distributed by AAP to KAFU. The number of derivative securities owned reflects both the exchange transaction reported herein and the simultaneous redemption transaction.

F1 · ownership.nature: KAFU Holdings (QP), L.P. ("KAFU") holds Class B shares representing limited partner interests in Plains GP Holdings L.P. (the "Issuer"), an equivalent number of units representing limited liability company interests of the Issuer's general partner ("GP Units"), and an equivalent number of Class A Units representing limited partner interests in Plains AAP, L.P. ("AAP"). The Eighth Amended and Restated Limited Partnership Agreement of AAP provides that each limited partner of AAP, including KAFU, has the right at any time (without expiration) to immediately exchange (the "Exchange Right") its Class A units in AAP together with a like number of Class B shares and GP Units, for a like number of Class A shares of the Issuer. On June 30, 2021, KAFU Holdings (QP), L.P. exercised the Exchange Right with respect to 25,554 Class A Units.

F2 · ownership.nature: Kayne Anderson Capital Advisors, L.P. ("KACALP") is the manager of the general partner of KAFU and may be deemed to beneficially own the Class B shares, Class A Units, and GP Units held by KAFU. The filing of this statement shall not be construed as an admission that either KAFU or KACALP are, for purposes of Section 13(d) of the Exchange Act, as amended, the beneficial owner of any security.

SEC source: 0001638397-21-000027 · primary_doc.xml · nonDerivative · entry 2

KAFU Holdings (QP), L.P. · CIK 0001638385 · Director · See remarks

KAYNE ANDERSON CAPITAL ADVISORS LP · CIK 0000949615 · Director · See remarks

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

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnotes

Disclosed balance after: 0

F1 · ownership.nature: KAFU Holdings (QP), L.P. ("KAFU") holds Class B shares representing limited partner interests in Plains GP Holdings L.P. (the "Issuer"), an equivalent number of units representing limited liability company interests of the Issuer's general partner ("GP Units"), and an equivalent number of Class A Units representing limited partner interests in Plains AAP, L.P. ("AAP"). The Eighth Amended and Restated Limited Partnership Agreement of AAP provides that each limited partner of AAP, including KAFU, has the right at any time (without expiration) to immediately exchange (the "Exchange Right") its Class A units in AAP together with a like number of Class B shares and GP Units, for a like number of Class A shares of the Issuer. On June 30, 2021, KAFU Holdings (QP), L.P. exercised the Exchange Right with respect to 25,554 Class A Units.

F2 · ownership.nature: Kayne Anderson Capital Advisors, L.P. ("KACALP") is the manager of the general partner of KAFU and may be deemed to beneficially own the Class B shares, Class A Units, and GP Units held by KAFU. The filing of this statement shall not be construed as an admission that either KAFU or KACALP are, for purposes of Section 13(d) of the Exchange Act, as amended, the beneficial owner of any security.

F3 · ownership.nature: The reported transaction involves an in-kind distribution to redeeming limited partners of KAFU Holdings (QP), L.P.

SEC source: 0001638397-21-000027 · primary_doc.xml · nonDerivative · entry 1

KAFU Holdings (QP), L.P. · CIK 0001638385 · Director · See remarks

KAYNE ANDERSON CAPITAL ADVISORS LP · CIK 0000949615 · Director · See remarks

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

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnotes

Disclosed balance after: 25,554

F1 · ownership.nature: KAFU Holdings (QP), L.P. ("KAFU") holds Class B shares representing limited partner interests in Plains GP Holdings L.P. (the "Issuer"), an equivalent number of units representing limited liability company interests of the Issuer's general partner ("GP Units"), and an equivalent number of Class A Units representing limited partner interests in Plains AAP, L.P. ("AAP"). The Eighth Amended and Restated Limited Partnership Agreement of AAP provides that each limited partner of AAP, including KAFU, has the right at any time (without expiration) to immediately exchange (the "Exchange Right") its Class A units in AAP together with a like number of Class B shares and GP Units, for a like number of Class A shares of the Issuer. On June 30, 2021, KAFU Holdings (QP), L.P. exercised the Exchange Right with respect to 25,554 Class A Units.

F2 · ownership.nature: Kayne Anderson Capital Advisors, L.P. ("KACALP") is the manager of the general partner of KAFU and may be deemed to beneficially own the Class B shares, Class A Units, and GP Units held by KAFU. The filing of this statement shall not be construed as an admission that either KAFU or KACALP are, for purposes of Section 13(d) of the Exchange Act, as amended, the beneficial owner of any security.

F3 · ownership.nature: The reported transaction involves an in-kind distribution to redeeming limited partners of KAFU Holdings (QP), L.P.

SEC source: 0001638397-21-000029 · primary_doc.xml · derivative · entry 2

McCarthy Kevin S · CIK 0001304183 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnotes

Disclosed balance after: 15,273,461

Underlying: Class A Shares · 25,554 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 · derivative.exercise_date: Reporting person is the Vice Chairman of Kayne Anderson Capital Advisors, L.P. ("KACALP"), the managing member of the manager of KAFU Holdings (QP), L.P. ("KAFU"), and therefore he may be deemed to be the beneficial owner of all of the interests held by KAFU.

F2 · derivative.exercise_date: The limited partnership agreement of Plains AAP, L.P. ("AAP") provides that each limited partner of AAP, including KAFU, has the right at any time (without expiration) and from time to time, to exchange (the "Exchange Right") its Class A Units in AAP (the "AAP Units"), along with the associated Class B shares in the Issuer (the "Class B Shares") and GP Units in PAA GP Holdings LLC (the "GP Units") for Class A Shares of the Issuer on a one-for-one basis. The Exchange Right may be settled in cash at the option of the Issuer and, as a result, the Reporting Person may not be deemed to beneficially own any of the securities reported herein as indirectly owned. For reporting purposes, however, the number of securities reported as indirectly owned represents the number of AAP Units, Class B Shares and GP Units owned by KAFU that are potentially exchangeable for an equivalent number of Class A Shares.

F1 · derivative.expiration_date: Reporting person is the Vice Chairman of Kayne Anderson Capital Advisors, L.P. ("KACALP"), the managing member of the manager of KAFU Holdings (QP), L.P. ("KAFU"), and therefore he may be deemed to be the beneficial owner of all of the interests held by KAFU.

F2 · derivative.expiration_date: The limited partnership agreement of Plains AAP, L.P. ("AAP") provides that each limited partner of AAP, including KAFU, has the right at any time (without expiration) and from time to time, to exchange (the "Exchange Right") its Class A Units in AAP (the "AAP Units"), along with the associated Class B shares in the Issuer (the "Class B Shares") and GP Units in PAA GP Holdings LLC (the "GP Units") for Class A Shares of the Issuer on a one-for-one basis. The Exchange Right may be settled in cash at the option of the Issuer and, as a result, the Reporting Person may not be deemed to beneficially own any of the securities reported herein as indirectly owned. For reporting purposes, however, the number of securities reported as indirectly owned represents the number of AAP Units, Class B Shares and GP Units owned by KAFU that are potentially exchangeable for an equivalent number of Class A Shares.

F4 · balance_after: In a simultaneous transaction, KAFU exercised the redemption right provided for in the limited partnership agreement of AAP with respect to 535,009 Class A units. As a result, such Class A units were cancelled and 535,009 Common Units of Plains All American Pipeline, L.P. were distributed by AAP to KAFU. The number of derivative securities owned reflects both the exchange transaction reported herein and the simultaneous redemption transaction.

F1 · ownership.nature: Reporting person is the Vice Chairman of Kayne Anderson Capital Advisors, L.P. ("KACALP"), the managing member of the manager of KAFU Holdings (QP), L.P. ("KAFU"), and therefore he may be deemed to be the beneficial owner of all of the interests held by KAFU.

F2 · ownership.nature: The limited partnership agreement of Plains AAP, L.P. ("AAP") provides that each limited partner of AAP, including KAFU, has the right at any time (without expiration) and from time to time, to exchange (the "Exchange Right") its Class A Units in AAP (the "AAP Units"), along with the associated Class B shares in the Issuer (the "Class B Shares") and GP Units in PAA GP Holdings LLC (the "GP Units") for Class A Shares of the Issuer on a one-for-one basis. The Exchange Right may be settled in cash at the option of the Issuer and, as a result, the Reporting Person may not be deemed to beneficially own any of the securities reported herein as indirectly owned. For reporting purposes, however, the number of securities reported as indirectly owned represents the number of AAP Units, Class B Shares and GP Units owned by KAFU that are potentially exchangeable for an equivalent number of Class A Shares.

F3 · ownership.nature: Reporting Person disclaims beneficial ownership of the securities held by KAFU, except to the extent of his pecuniary interest therein.

SEC source: 0001638397-21-000012 · primary_doc.xml · derivative · entry 3

KAFU Holdings (QP), L.P. · CIK 0001638385 · Director · See remarks

KAYNE ANDERSON CAPITAL ADVISORS LP · CIK 0000949615 · Director · See remarks

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

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnotes

Disclosed balance after: 15,834,024

Underlying: Class A Shares · 811 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_date: KAFU Holdings (QP), L.P. ("KAFU") holds Class B shares representing limited partner interests in Plains GP Holdings L.P. (the "Issuer"), an equivalent number of units representing limited liability company interests of the Issuer's general partner ("GP Units"), and an equivalent number of Class A Units representing limited partner interests in Plains AAP, L.P. ("AAP"). The Eighth Amended and Restated Limited Partnership Agreement of AAP provides that each limited partner of AAP, including KAFU, has the right at any time (without expiration) to immediately exchange (the "Exchange Right") its Class A units in AAP together with a like number of Class B shares and GP Units, for a like number of Class A shares of the Issuer. On March 31, 2021, KAFU Holdings (QP), L.P. exercised the Exchange Right with respect to 811 Class A Units.

F2 · derivative.exercise_date: Kayne Anderson Capital Advisors, L.P. ("KACALP") is the manager of the general partner of KAFU and may be deemed to beneficially own the Class B shares, Class A Units, and GP Units held by KAFU. The filing of this statement shall not be construed as an admission that either KAFU or KACALP are, for purposes of Section 13(d) of the Exchange Act, as amended, the beneficial owner of any security.

F1 · derivative.expiration_date: KAFU Holdings (QP), L.P. ("KAFU") holds Class B shares representing limited partner interests in Plains GP Holdings L.P. (the "Issuer"), an equivalent number of units representing limited liability company interests of the Issuer's general partner ("GP Units"), and an equivalent number of Class A Units representing limited partner interests in Plains AAP, L.P. ("AAP"). The Eighth Amended and Restated Limited Partnership Agreement of AAP provides that each limited partner of AAP, including KAFU, has the right at any time (without expiration) to immediately exchange (the "Exchange Right") its Class A units in AAP together with a like number of Class B shares and GP Units, for a like number of Class A shares of the Issuer. On March 31, 2021, KAFU Holdings (QP), L.P. exercised the Exchange Right with respect to 811 Class A Units.

F2 · derivative.expiration_date: Kayne Anderson Capital Advisors, L.P. ("KACALP") is the manager of the general partner of KAFU and may be deemed to beneficially own the Class B shares, Class A Units, and GP Units held by KAFU. The filing of this statement shall not be construed as an admission that either KAFU or KACALP are, for purposes of Section 13(d) of the Exchange Act, as amended, the beneficial owner of any security.

F4 · balance_after: In a simultaneous transaction, KAFU exercised the redemption right provided for in the limited partnership agreement of AAP with respect to 4,891 Class A units. As a result, such Class A units were cancelled and 4,891 Common Units of Plains All American Pipeline, L.P. were distributed by AAP to KAFU. The number of derivative securities owned reflects both the exchange transaction reported herein and the simultaneous redemption transaction.

F1 · ownership.nature: KAFU Holdings (QP), L.P. ("KAFU") holds Class B shares representing limited partner interests in Plains GP Holdings L.P. (the "Issuer"), an equivalent number of units representing limited liability company interests of the Issuer's general partner ("GP Units"), and an equivalent number of Class A Units representing limited partner interests in Plains AAP, L.P. ("AAP"). The Eighth Amended and Restated Limited Partnership Agreement of AAP provides that each limited partner of AAP, including KAFU, has the right at any time (without expiration) to immediately exchange (the "Exchange Right") its Class A units in AAP together with a like number of Class B shares and GP Units, for a like number of Class A shares of the Issuer. On March 31, 2021, KAFU Holdings (QP), L.P. exercised the Exchange Right with respect to 811 Class A Units.

F2 · ownership.nature: Kayne Anderson Capital Advisors, L.P. ("KACALP") is the manager of the general partner of KAFU and may be deemed to beneficially own the Class B shares, Class A Units, and GP Units held by KAFU. The filing of this statement shall not be construed as an admission that either KAFU or KACALP are, for purposes of Section 13(d) of the Exchange Act, as amended, the beneficial owner of any security.