McGee Richard K.

SEC source: 0001581990-26-000049 · form4.xml · derivative · entry 1

McGee Richard K. · CIK 0001490023 · EVP, General Counsel & Sec.

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 294,607

Underlying: Class A Shares · 120,000 shares

Expires not disclosed

F1 · kind: On September 30, 2026, Reporting Person made a gift of 30,000 Class A Units of Plains AAP, L.P. ("AAP") and Class B shares of Plains GP Holdings, L.P. ("PAGP") to each of his four children, for a total gift of 120,000 units.

F2 · derivative.exercise_date: Pursuant to the limited partnership agreement of AAP, the Class A Units of AAP, together with a like number of Class B Shares of PAGP, may be exchanged for Class A shares of PAGP on a one-for-one basis with the approval of the Reporting Person.

F2 · derivative.expiration_date: Pursuant to the limited partnership agreement of AAP, the Class A Units of AAP, together with a like number of Class B Shares of PAGP, may be exchanged for Class A shares of PAGP on a one-for-one basis with the approval of the Reporting Person.

SEC source: 0001070423-26-000050 · form4.xml · derivative · entry 1

McGee Richard K. · CIK 0001490023 · EVP, General Counsel & Sec.

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 294,607

Underlying: Common Units · 120,000 shares

Expires not disclosed

F1 · kind: On September 30, 2026, Reporting Person made a gift of 30,000 Class A Units of Plains AAP, L.P. ("AAP") and Class B shares of Plains GP Holdings, L.P. ("PAGP") to each of his four children, for a total gift of 120,000 units.

F2 · derivative.exercise_date: Pursuant to the limited partnership agreement of AAP, the Class A Units of AAP, together with a like number of Class B Shares of PAGP, may be redeemed for common units of Plains All American Pipeline, L.P. on a one-for-one basis with the approval of the Reporting Person.

F2 · derivative.expiration_date: Pursuant to the limited partnership agreement of AAP, the Class A Units of AAP, together with a like number of Class B Shares of PAGP, may be redeemed for common units of Plains All American Pipeline, L.P. on a one-for-one basis with the approval of the Reporting Person.

SEC source: 0001070423-26-000040 · form4.xml · derivative · entry 3

McGee Richard K. · CIK 0001490023 · EVP, General Counsel & Sec.

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Units · 109,165 shares

Expires 2026-08-14

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 Units granted under Long-Term Incentive Plan (includes distribution equivalent rights payable in cash).

F2 · derivative.exercise_price: One common unit is deliverable, upon vesting, for each Phantom Unit that vests.

SEC source: 0001070423-26-000040 · form4.xml · nonDerivative · entry 2

McGee Richard K. · CIK 0001490023 · EVP, General Counsel & Sec.

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 672,561

SEC source: 0001070423-26-000040 · form4.xml · nonDerivative · entry 1

McGee Richard K. · CIK 0001490023 · EVP, General Counsel & Sec.

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 715,518

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: 0001070423-26-000040 · form4.xml · derivative · entry 4

McGee Richard K. · CIK 0001490023 · EVP, General Counsel & Sec.

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 88,500

Underlying: Common Units · 88,500 shares

Expires not disclosed

F1 · security: Phantom Units granted under Long-Term Incentive Plan (includes distribution equivalent rights payable in cash).

F2 · derivative.exercise_price: One common unit is deliverable, upon vesting, for each Phantom Unit that vests.

F3 · derivative.exercise_date: These phantom units will vest as follows: (a) Tranche 1, consisting of 44,250 phantom units, will vest on the August 2029 distribution date assuming continued service through such date; (b) Tranche 2, consisting of 22,125 phantom units (assuming 100% payout at target), will potentially vest on the August 2029 distribution date at a scaled payout range of between 0% to 200% based on PAA's total shareholder return (TSR) over the three-year period ending June 30, 2029 compared to the TSR of a selected peer group (payout based on numeric rank with 100% earned at median and interpolation between ranks, and with payout being subject to reduction by up to 25 basis points, but not below 100%, if actual TSR is negative); and

F4 · derivative.exercise_date: (c) Tranche 3, consisting of 22,125 phantom units (assuming 100% payout at target), will potentially vest on the Aug. 2029 distribution date at a scaled payout range of between 0% and 200% based on PAA achieving cumul. distributable cash flow (DCF) per common unit equivalent (CUE) of $9.10 over the 3-year period ending 6/30/29 (with payout equaling 100% at cumul. DCF/CUE over such period of $9.10 and being equal to 0% for cumul. DCF/CUE over such period of $8.19 or lower and 200% for cumul. DCF/CUE over such period of $10.01 or higher), with interpolation btw. such points, and with payout being subject to reduction by 25 basis pts. if PAA's leverage ratio (long term debt to adj. EBITDA as calculated pursuant to PAA's sr. unsecured revolving credit facility) as of 6/30/29 is greater than the leverage ratio that equals the upper end of our then applicable non-rating agency target leverage ratio range.

F5 · derivative.exercise_date: DERs associated with Tranche 1 will accrue for the first year and be paid in cash in a lump sum on the August 2029 distribution date; beginning in November 2027, DERs associated with Tranche 1 will be paid quarterly until the phantom units vest or terminate. DERs associated with Tranches 2 and 3 will accrue during the three-year vesting period and be paid in cash in a lump sum on the August 2029 distribution date with respect to each phantom unit that vests, if any, on such date. Any Tranche 2 or Tranche 3 phantom units that are determined to not have vested as of the August 2029 distribution date shall expire as of such date.

F3 · derivative.expiration_date: These phantom units will vest as follows: (a) Tranche 1, consisting of 44,250 phantom units, will vest on the August 2029 distribution date assuming continued service through such date; (b) Tranche 2, consisting of 22,125 phantom units (assuming 100% payout at target), will potentially vest on the August 2029 distribution date at a scaled payout range of between 0% to 200% based on PAA's total shareholder return (TSR) over the three-year period ending June 30, 2029 compared to the TSR of a selected peer group (payout based on numeric rank with 100% earned at median and interpolation between ranks, and with payout being subject to reduction by up to 25 basis points, but not below 100%, if actual TSR is negative); and

F4 · derivative.expiration_date: (c) Tranche 3, consisting of 22,125 phantom units (assuming 100% payout at target), will potentially vest on the Aug. 2029 distribution date at a scaled payout range of between 0% and 200% based on PAA achieving cumul. distributable cash flow (DCF) per common unit equivalent (CUE) of $9.10 over the 3-year period ending 6/30/29 (with payout equaling 100% at cumul. DCF/CUE over such period of $9.10 and being equal to 0% for cumul. DCF/CUE over such period of $8.19 or lower and 200% for cumul. DCF/CUE over such period of $10.01 or higher), with interpolation btw. such points, and with payout being subject to reduction by 25 basis pts. if PAA's leverage ratio (long term debt to adj. EBITDA as calculated pursuant to PAA's sr. unsecured revolving credit facility) as of 6/30/29 is greater than the leverage ratio that equals the upper end of our then applicable non-rating agency target leverage ratio range.

F5 · derivative.expiration_date: DERs associated with Tranche 1 will accrue for the first year and be paid in cash in a lump sum on the August 2029 distribution date; beginning in November 2027, DERs associated with Tranche 1 will be paid quarterly until the phantom units vest or terminate. DERs associated with Tranches 2 and 3 will accrue during the three-year vesting period and be paid in cash in a lump sum on the August 2029 distribution date with respect to each phantom unit that vests, if any, on such date. Any Tranche 2 or Tranche 3 phantom units that are determined to not have vested as of the August 2029 distribution date shall expire as of such date.

SEC source: 0001062993-25-014607 · form4.xml · derivative · entry 4

McGee Richard K. · CIK 0001490023 · EVP, General Counsel & Sec.

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 122,650

Underlying: Common Units · 122,650 shares

Expires not disclosed

F1 · security: Phantom Units granted under Long-Term Incentive Plan (includes distribution equivalent rights payable in cash).

F2 · derivative.exercise_price: One common unit is deliverable, upon vesting, for each Phantom Unit that vests.

F3 · derivative.exercise_date: These phantom units will vest as follows: (a) Tranche 1, consisting of 56,325 phantom units, will vest on the August 2028 distribution date assuming continued service through such date; (b) Tranche 2, consisting of 28,162 phantom units (assuming 100% payout at target), will potentially vest on the August 2028 distribution date at a scaled payout range of between 0% to 200% based on PAA's total shareholder return (TSR) over the three-year period ending June 30, 2028 compared to the TSR of a selected peer group (payout based on numeric rank with 100% earned at median and interpolation between ranks, and with payout being subject to reduction by up to 25 basis points, but not below 100%, if actual TSR is negative); and

F4 · derivative.exercise_date: (c) Tranche 3, consisting of 28,163 phantom units (assuming 100% payout at target), will potentially vest on the Aug. 2028 distribution date at a scaled payout range of between 0% and 200% based on PAA achieving cumul. distributable cash flow (DCF) per common unit equivalent (CUE) of $8.40 over the 3-year period ending 6/30/28 (with payout equaling 100% at cumul. DCF/CUE over such period of $8.40 and being equal to 0% for cumul. DCF/CUE over such period of $7.56 or lower and 200% for cumul. DCF/CUE over such period of $9.24 or higher, with interpolation btw. such points, and with payout being subject to reduction by 25 basis pts. if PAA's leverage ratio (long term debt to adj. EBITDA as calculated pursuant to PAA's sr. unsecured revolving credit facility) as of 6/30/28 is greater than the leverage ratio that equals the upper end of our then applicable non-rating agency target leverage ratio range.

F5 · derivative.exercise_date: DERs associated with Tranche 1 will accrue for the first year and be paid in cash in a lump sum on the August 2026 distribution date; beginning in November 2026, DERs associated with Tranche 1 will be paid quarterly until the phantom units vest or terminate. DERs associated with Tranches 2 and 3 will accrue during the three-year vesting period and be paid in cash in a lump sum on the August 2028 distribution date with respect to each phantom unit that vests, if any, on such date. Any Tranche 2 or Tranche 3 phantom units that are determined to not have vested as of the August 2028 distribution date shall expire as of such date.

F3 · derivative.expiration_date: These phantom units will vest as follows: (a) Tranche 1, consisting of 56,325 phantom units, will vest on the August 2028 distribution date assuming continued service through such date; (b) Tranche 2, consisting of 28,162 phantom units (assuming 100% payout at target), will potentially vest on the August 2028 distribution date at a scaled payout range of between 0% to 200% based on PAA's total shareholder return (TSR) over the three-year period ending June 30, 2028 compared to the TSR of a selected peer group (payout based on numeric rank with 100% earned at median and interpolation between ranks, and with payout being subject to reduction by up to 25 basis points, but not below 100%, if actual TSR is negative); and

F4 · derivative.expiration_date: (c) Tranche 3, consisting of 28,163 phantom units (assuming 100% payout at target), will potentially vest on the Aug. 2028 distribution date at a scaled payout range of between 0% and 200% based on PAA achieving cumul. distributable cash flow (DCF) per common unit equivalent (CUE) of $8.40 over the 3-year period ending 6/30/28 (with payout equaling 100% at cumul. DCF/CUE over such period of $8.40 and being equal to 0% for cumul. DCF/CUE over such period of $7.56 or lower and 200% for cumul. DCF/CUE over such period of $9.24 or higher, with interpolation btw. such points, and with payout being subject to reduction by 25 basis pts. if PAA's leverage ratio (long term debt to adj. EBITDA as calculated pursuant to PAA's sr. unsecured revolving credit facility) as of 6/30/28 is greater than the leverage ratio that equals the upper end of our then applicable non-rating agency target leverage ratio range.

F5 · derivative.expiration_date: DERs associated with Tranche 1 will accrue for the first year and be paid in cash in a lump sum on the August 2026 distribution date; beginning in November 2026, DERs associated with Tranche 1 will be paid quarterly until the phantom units vest or terminate. DERs associated with Tranches 2 and 3 will accrue during the three-year vesting period and be paid in cash in a lump sum on the August 2028 distribution date with respect to each phantom unit that vests, if any, on such date. Any Tranche 2 or Tranche 3 phantom units that are determined to not have vested as of the August 2028 distribution date shall expire as of such date.

SEC source: 0001062993-25-014607 · form4.xml · derivative · entry 3

McGee Richard K. · CIK 0001490023 · EVP, General Counsel & Sec.

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Units · 176,731 shares

Expires 2025-08-14

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 Units granted under Long-Term Incentive Plan (includes distribution equivalent rights payable in cash).

F2 · derivative.exercise_price: One common unit is deliverable, upon vesting, for each Phantom Unit that vests.

SEC source: 0001062993-25-014607 · form4.xml · nonDerivative · entry 2

McGee Richard K. · CIK 0001490023 · EVP, General Counsel & Sec.

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 606,353

SEC source: 0001062993-25-014607 · form4.xml · nonDerivative · entry 1

McGee Richard K. · CIK 0001490023 · EVP, General Counsel & Sec.

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 675,897

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: 0001070423-26-000002 · form4a.xml · derivative · entry 1

McGee Richard K. · CIK 0001490023 · EVP, General Counsel & Sec.

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 112,650

Underlying: Common Units · 112,650 shares

Expires not disclosed

F1 · security: Phantom Units granted under Long-Term Incentive Plan (includes distribution equivalent rights payable in cash).

F2 · derivative.exercise_price: One common unit is deliverable, upon vesting, for each Phantom Unit that vests.

F3 · shares: The original Form 4 filed on August 18, 2025 inadvertently reported the acquisition of 10,000 more phantom units than were actually acquired; this amendment is being filed to correct the error.

F4 · derivative.exercise_date: These phantom units will vest as follows: (a) Tranche 1, consisting of 56,325 phantom units, will vest on the August 2028 distribution date assuming continued service through such date; (b) Tranche 2, consisting of 28,162 phantom units (assuming 100% payout at target), will potentially vest on the August 2028 distribution date at a scaled payout range of between 0% to 200% based on PAA's total shareholder return (TSR) over the three-year period ending June 30, 2028 compared to the TSR of a selected peer group (payout based on numeric rank with 100% earned at median and interpolation between ranks, and with payout being subject to reduction by up to 25 basis points, but not below 100%, if actual TSR is negative); and

F5 · derivative.exercise_date: (c) Tranche 3, consisting of 28,163 phantom units (assuming 100% payout at target), will potentially vest on the Aug. 2028 distribution date at a scaled payout range of between 0% and 200% based on PAA achieving cumul. distributable cash flow (DCF) per common unit equivalent (CUE) of $8.40 over the 3-year period ending 6/30/28 (with payout equaling 100% at cumul. DCF/CUE over such period of $8.40 and being equal to 0% for cumul. DCF/CUE over such period of $7.56 or lower and 200% for cumul. DCF/CUE over such period of $9.24 or higher, with interpolation btw. such points, and with payout being subject to reduction by 25 basis pts. if PAA's leverage ratio (long term debt to adj. EBITDA as calculated pursuant to PAA's sr. unsecured revolving credit facility) as of 6/30/28 is greater than the leverage ratio that equals the upper end of our then applicable non-rating agency target leverage ratio range.

F6 · derivative.exercise_date: DERs associated with Tranche 1 will accrue for the first year and be paid in cash in a lump sum on the August 2026 distribution date; beginning in November 2026, DERs associated with Tranche 1 will be paid quarterly until the phantom units vest or terminate. DERs associated with Tranches 2 and 3 will accrue during the three-year vesting period and be paid in cash in a lump sum on the August 2028 distribution date with respect to each phantom unit that vests, if any, on such date. Any Tranche 2 or Tranche 3 phantom units that are determined to not have vested as of the August 2028 distribution date shall expire as of such date.

F4 · derivative.expiration_date: These phantom units will vest as follows: (a) Tranche 1, consisting of 56,325 phantom units, will vest on the August 2028 distribution date assuming continued service through such date; (b) Tranche 2, consisting of 28,162 phantom units (assuming 100% payout at target), will potentially vest on the August 2028 distribution date at a scaled payout range of between 0% to 200% based on PAA's total shareholder return (TSR) over the three-year period ending June 30, 2028 compared to the TSR of a selected peer group (payout based on numeric rank with 100% earned at median and interpolation between ranks, and with payout being subject to reduction by up to 25 basis points, but not below 100%, if actual TSR is negative); and

F5 · derivative.expiration_date: (c) Tranche 3, consisting of 28,163 phantom units (assuming 100% payout at target), will potentially vest on the Aug. 2028 distribution date at a scaled payout range of between 0% and 200% based on PAA achieving cumul. distributable cash flow (DCF) per common unit equivalent (CUE) of $8.40 over the 3-year period ending 6/30/28 (with payout equaling 100% at cumul. DCF/CUE over such period of $8.40 and being equal to 0% for cumul. DCF/CUE over such period of $7.56 or lower and 200% for cumul. DCF/CUE over such period of $9.24 or higher, with interpolation btw. such points, and with payout being subject to reduction by 25 basis pts. if PAA's leverage ratio (long term debt to adj. EBITDA as calculated pursuant to PAA's sr. unsecured revolving credit facility) as of 6/30/28 is greater than the leverage ratio that equals the upper end of our then applicable non-rating agency target leverage ratio range.

F6 · derivative.expiration_date: DERs associated with Tranche 1 will accrue for the first year and be paid in cash in a lump sum on the August 2026 distribution date; beginning in November 2026, DERs associated with Tranche 1 will be paid quarterly until the phantom units vest or terminate. DERs associated with Tranches 2 and 3 will accrue during the three-year vesting period and be paid in cash in a lump sum on the August 2028 distribution date with respect to each phantom unit that vests, if any, on such date. Any Tranche 2 or Tranche 3 phantom units that are determined to not have vested as of the August 2028 distribution date shall expire as of such date.

F3 · derivative.underlying_shares: The original Form 4 filed on August 18, 2025 inadvertently reported the acquisition of 10,000 more phantom units than were actually acquired; this amendment is being filed to correct the error.

F3 · balance_after: The original Form 4 filed on August 18, 2025 inadvertently reported the acquisition of 10,000 more phantom units than were actually acquired; this amendment is being filed to correct the error.

SEC source: 0001062993-24-015254 · form4.xml · derivative · entry 4

McGee Richard K. · CIK 0001490023 · EVP, General Counsel & Sec.

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 108,000

Underlying: Common Units · 108,000 shares

Expires not disclosed

F1 · security: Phantom Units granted under Long-Term Incentive Plan (includes distribution equivalent rights payable in cash).

F2 · derivative.exercise_price: One common unit is deliverable, upon vesting, for each Phantom Unit that vests.

F3 · derivative.exercise_date: These phantom units will vest as follows: (a) Tranche 1, consisting of 54,000 phantom units, will vest on the August 2027 distribution date assuming continued service through such date; (b) Tranche 2, consisting of 27,000 phantom units (assuming 100% payout at target), will potentially vest on the August 2027 distribution date at a scaled payout range of between 0% to 200% based on PAA's total shareholder return (TSR) over the three-year period ending June 30, 2027 compared to the TSR of a selected peer group (payout based on numeric rank with 100% earned at median and interpolation between ranks, and with payout being subject to reduction by up to 25 basis points, but not below 100%, if actual TSR is negative); and

F4 · derivative.exercise_date: (c) Tranche 3, consisting of 27,000 phantom units (assuming 100% payout at target), will potentially vest on the Aug. 2027 distribution date at a scaled payout range of between 0% and 200% based on PAA achieving cumul. distributable cash flow (DCF) per common unit equivalent (CUE) of $7.75 over the 3-year period ending 6/30/27 (with payout equaling 100% at cumul. DCF/CUE over such period of $7.75 and being equal to 0% for cumul. DCF/CUE over such period of $6.975 or lower and 200% for cumul. DCF/CUE over such period of $8.71875 or higher, with interpolation btw. such points, and with payout being subject to reduction by 25 basis pts. if PAA's leverage ratio (long term debt to adj. EBITDA as calculated pursuant to PAA's sr. unsecured revolving credit facility) as of 6/30/27 is greater than the leverage ratio that equals the upper end of our then applicable target leverage ratio range (e.g., 3.0x is the upper end of PAA's current target leverage ratio range of 2.5x to 3.0x).

F5 · derivative.exercise_date: DERs associated with Tranche 1 will accrue for the first year and be paid in cash in a lump sum on the August 2025 distribution date; beginning in November 2025, DERs associated with Tranche 1 will be paid quarterly until the phantom units vest or terminate. DERs associated with Tranches 2 and 3 will accrue during the three-year vesting period and be paid in cash in a lump sum on the August 2027 distribution date with respect to each phantom unit that vests, if any, on such date. Any Tranche 2 or Tranche 3 phantom units that are determined to not have vested as of the August 2027 distribution date shall expire as of such date.

F3 · derivative.expiration_date: These phantom units will vest as follows: (a) Tranche 1, consisting of 54,000 phantom units, will vest on the August 2027 distribution date assuming continued service through such date; (b) Tranche 2, consisting of 27,000 phantom units (assuming 100% payout at target), will potentially vest on the August 2027 distribution date at a scaled payout range of between 0% to 200% based on PAA's total shareholder return (TSR) over the three-year period ending June 30, 2027 compared to the TSR of a selected peer group (payout based on numeric rank with 100% earned at median and interpolation between ranks, and with payout being subject to reduction by up to 25 basis points, but not below 100%, if actual TSR is negative); and

F4 · derivative.expiration_date: (c) Tranche 3, consisting of 27,000 phantom units (assuming 100% payout at target), will potentially vest on the Aug. 2027 distribution date at a scaled payout range of between 0% and 200% based on PAA achieving cumul. distributable cash flow (DCF) per common unit equivalent (CUE) of $7.75 over the 3-year period ending 6/30/27 (with payout equaling 100% at cumul. DCF/CUE over such period of $7.75 and being equal to 0% for cumul. DCF/CUE over such period of $6.975 or lower and 200% for cumul. DCF/CUE over such period of $8.71875 or higher, with interpolation btw. such points, and with payout being subject to reduction by 25 basis pts. if PAA's leverage ratio (long term debt to adj. EBITDA as calculated pursuant to PAA's sr. unsecured revolving credit facility) as of 6/30/27 is greater than the leverage ratio that equals the upper end of our then applicable target leverage ratio range (e.g., 3.0x is the upper end of PAA's current target leverage ratio range of 2.5x to 3.0x).

F5 · derivative.expiration_date: DERs associated with Tranche 1 will accrue for the first year and be paid in cash in a lump sum on the August 2025 distribution date; beginning in November 2025, DERs associated with Tranche 1 will be paid quarterly until the phantom units vest or terminate. DERs associated with Tranches 2 and 3 will accrue during the three-year vesting period and be paid in cash in a lump sum on the August 2027 distribution date with respect to each phantom unit that vests, if any, on such date. Any Tranche 2 or Tranche 3 phantom units that are determined to not have vested as of the August 2027 distribution date shall expire as of such date.

SEC source: 0001062993-24-015254 · form4.xml · derivative · entry 3

McGee Richard K. · CIK 0001490023 · EVP, General Counsel & Sec.

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Units · 167,378 shares

Expires 2024-08-14

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 Units granted under Long-Term Incentive Plan (includes distribution equivalent rights payable in cash).

F2 · derivative.exercise_price: One common unit is deliverable, upon vesting, for each Phantom Unit that vests.

SEC source: 0001062993-24-015254 · form4.xml · nonDerivative · entry 2

McGee Richard K. · CIK 0001490023 · EVP, General Counsel & Sec.

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 499,166

SEC source: 0001062993-24-015254 · form4.xml · nonDerivative · entry 1

McGee Richard K. · CIK 0001490023 · EVP, General Counsel & Sec.

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 565,030

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: 0001062993-23-016956 · form4.xml · derivative · entry 1

McGee Richard K. · CIK 0001490023 · EVP, General Counsel & Sec.

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 102,150

Underlying: Common Units · 102,150 shares

Expires not disclosed

F1 · security: Grant of Phantom Units under Long-Term Incentive Plan (includes distribution equivalent rights payable in cash).

F2 · derivative.exercise_price: One common unit is deliverable, upon vesting, for each Phantom Unit that vests.

F3 · derivative.exercise_date: These phantom units will vest as follows: (a) Tranche 1, consisting of 51,075 phantom units, will vest on the August 2026 distribution date assuming continued service through such date; (b) Tranche 2, consisting of 25,537 phantom units (assuming 100% payout at target), will potentially vest on the August 2026 distribution date at a scaled payout range of between 0% to 200% based on PAA's total shareholder return (TSR) over the three-year period ending June 30, 2026 compared to the TSR of a selected peer group (payout based on numeric rank with 100% earned at median and interpolation between ranks, and with payout being subject to reduction by up to 25 basis points, but not below 100%, if actual TSR is negative); and

F4 · derivative.exercise_date: c) Tranche 3, consisting of 25,538 phantom units (assuming 100% payout at target), will potentially vest on the August 2026 distribution date at a scaled payout range of between 0% and 200% based on PAA achieving cumulative distributable cash flow (DCF) per common unit equivalent (CUE) of $7.45 over the three-year period ending June 30, 2026 (with payout equaling 100% at cumulative DCF/CUE over such period of $7.45 and being equal to 0% for cumulative DCF/CUE over such period of $6.705 or lower and 200% for cumulative DCF/CUE over such period of $8.38125 or higher, with interpolation between such points, and with payout being subject to reduction by 25 basis points if PAA's leverage ratio (long term debt/adjusted EBITDA) as of June 30, 2026 is greater than the leverage ratio that equals the upper end of our then applicable guidance range (e.g., 3.5x is the upper end of PAA's current public guidance range of 3.0x to 3.5x)).

F5 · derivative.exercise_date: DERs associated with Tranche 1 will accrue for the first year and be paid in cash in a lump sum on the August 2024 distribution date; beginning in November 2024, DERs associated with Tranche 1 will be paid quarterly until the phantom units vest or terminate. DERs associated with Tranches 2 and 3 will accrue during the three-year vesting period and be paid in cash in a lump sum on the August 2026 distribution date with respect to each phantom unit that vests, if any, on such date. Any Tranche 2 or Tranche 3 phantom units that are determined to not have vested as of the August 2026 distribution date shall expire as of such date.

F3 · derivative.expiration_date: These phantom units will vest as follows: (a) Tranche 1, consisting of 51,075 phantom units, will vest on the August 2026 distribution date assuming continued service through such date; (b) Tranche 2, consisting of 25,537 phantom units (assuming 100% payout at target), will potentially vest on the August 2026 distribution date at a scaled payout range of between 0% to 200% based on PAA's total shareholder return (TSR) over the three-year period ending June 30, 2026 compared to the TSR of a selected peer group (payout based on numeric rank with 100% earned at median and interpolation between ranks, and with payout being subject to reduction by up to 25 basis points, but not below 100%, if actual TSR is negative); and

F4 · derivative.expiration_date: c) Tranche 3, consisting of 25,538 phantom units (assuming 100% payout at target), will potentially vest on the August 2026 distribution date at a scaled payout range of between 0% and 200% based on PAA achieving cumulative distributable cash flow (DCF) per common unit equivalent (CUE) of $7.45 over the three-year period ending June 30, 2026 (with payout equaling 100% at cumulative DCF/CUE over such period of $7.45 and being equal to 0% for cumulative DCF/CUE over such period of $6.705 or lower and 200% for cumulative DCF/CUE over such period of $8.38125 or higher, with interpolation between such points, and with payout being subject to reduction by 25 basis points if PAA's leverage ratio (long term debt/adjusted EBITDA) as of June 30, 2026 is greater than the leverage ratio that equals the upper end of our then applicable guidance range (e.g., 3.5x is the upper end of PAA's current public guidance range of 3.0x to 3.5x)).

F5 · derivative.expiration_date: DERs associated with Tranche 1 will accrue for the first year and be paid in cash in a lump sum on the August 2024 distribution date; beginning in November 2024, DERs associated with Tranche 1 will be paid quarterly until the phantom units vest or terminate. DERs associated with Tranches 2 and 3 will accrue during the three-year vesting period and be paid in cash in a lump sum on the August 2026 distribution date with respect to each phantom unit that vests, if any, on such date. Any Tranche 2 or Tranche 3 phantom units that are determined to not have vested as of the August 2026 distribution date shall expire as of such date.

SEC source: 0001062993-23-016627 · form4.xml · derivative · entry 3

McGee Richard K. · CIK 0001490023 · EVP, General Counsel & Sec.

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Units · 172,046 shares

Expires 2023-08-14

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 Units granted under Long-Term Incentive Plan (includes distribution equivalent rights payable in cash).

F2 · derivative.exercise_price: One common unit is deliverable, upon vesting, for each Phantom Unit that vests.

SEC source: 0001062993-23-016627 · form4.xml · nonDerivative · entry 2

McGee Richard K. · CIK 0001490023 · EVP, General Counsel & Sec.

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 397,652

SEC source: 0001062993-23-016627 · form4.xml · nonDerivative · entry 1

McGee Richard K. · CIK 0001490023 · EVP, General Counsel & Sec.

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 465,353

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: 0001062993-22-018425 · form4.xml · derivative · entry 1

McGee Richard K. · CIK 0001490023 · EVP, General Counsel & Sec.

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 138,600

Underlying: Common Units · 138,600 shares

Expires not disclosed

F1 · security: Grant of Phantom Units under Long-Term Incentive Plan (includes distribution equivalent rights payable in cash).

F2 · derivative.exercise_price: One common unit is deliverable, upon vesting, for each Phantom Unit that vests.

F3 · derivative.exercise_date: These phantom units will vest as follows: (a) Tranche 1, consisting of 69,300 phantom units, will vest on the August 2025 distribution date assuming continued service through such date; (b) Tranche 2, consisting of 34,650 phantom units (assuming 100% payout at target), will potentially vest on the August 2025 distribution date at a scaled payout range of between 0% to 200% (0 units to 69,300 units) based on PAA's total shareholder return (TSR) over the three-year period ending June 30, 2025 compared to the TSR of a selected peer group (payout based on numeric rank with 100% earned at median and interpolation between ranks except that 0% payout for bottom two positions and 200% payout for top two positions, and with payout being subject to reduction by up to 25 basis points if actual TSR is negative); and

F4 · derivative.exercise_date: (c) Tranche 3, consisting of 34,650 phantom units (assuming 100% payout at target), will potentially vest on the August 2025 distribution date at a scaled payout range of between 0% to 200% (0 units to 69,300 units) based on PAA achieving cumulative distributable cash flow ("DCF") per common unit equivalent ("CUE") of $7.05 over the three-year period ending June 30, 2025 (with such payout equaling 100% at cumulative DCF/CUE over such period of $7.05 and being equal to 0% for cumulative DCF/CUE over such period of $6.35 or lower and 200% for cumulative DCF/CUE over such period of $7.93 or higher, with interpolation between such points, and with payout being subject to reduction by 25 basis points if PAA's leverage ratio (long term debt/adjusted EBITDA) as of June 30, 2025 is greater than 3.5x).

F5 · derivative.exercise_date: DERs associated with Tranche 1 will accrue for the first year and be paid in cash in a lump sum on the August 2023 distribution date; beginning in November 2023, DERs associated with Tranche 1 will be paid quarterly until the phantom units vest or terminate. DERs associated with Tranches 2 and 3 will accrue during the three-year vesting period and be paid in cash in a lump sum on the August 2025 distribution date with respect to each phantom unit that vests, if any, on such date.

F3 · derivative.expiration_date: These phantom units will vest as follows: (a) Tranche 1, consisting of 69,300 phantom units, will vest on the August 2025 distribution date assuming continued service through such date; (b) Tranche 2, consisting of 34,650 phantom units (assuming 100% payout at target), will potentially vest on the August 2025 distribution date at a scaled payout range of between 0% to 200% (0 units to 69,300 units) based on PAA's total shareholder return (TSR) over the three-year period ending June 30, 2025 compared to the TSR of a selected peer group (payout based on numeric rank with 100% earned at median and interpolation between ranks except that 0% payout for bottom two positions and 200% payout for top two positions, and with payout being subject to reduction by up to 25 basis points if actual TSR is negative); and

F4 · derivative.expiration_date: (c) Tranche 3, consisting of 34,650 phantom units (assuming 100% payout at target), will potentially vest on the August 2025 distribution date at a scaled payout range of between 0% to 200% (0 units to 69,300 units) based on PAA achieving cumulative distributable cash flow ("DCF") per common unit equivalent ("CUE") of $7.05 over the three-year period ending June 30, 2025 (with such payout equaling 100% at cumulative DCF/CUE over such period of $7.05 and being equal to 0% for cumulative DCF/CUE over such period of $6.35 or lower and 200% for cumulative DCF/CUE over such period of $7.93 or higher, with interpolation between such points, and with payout being subject to reduction by 25 basis points if PAA's leverage ratio (long term debt/adjusted EBITDA) as of June 30, 2025 is greater than 3.5x).

F5 · derivative.expiration_date: DERs associated with Tranche 1 will accrue for the first year and be paid in cash in a lump sum on the August 2023 distribution date; beginning in November 2023, DERs associated with Tranche 1 will be paid quarterly until the phantom units vest or terminate. DERs associated with Tranches 2 and 3 will accrue during the three-year vesting period and be paid in cash in a lump sum on the August 2025 distribution date with respect to each phantom unit that vests, if any, on such date.

SEC source: 0001062993-22-018121 · form4.xml · derivative · entry 3

McGee Richard K. · CIK 0001490023 · EVP, General Counsel & Sec.

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 25,150

Underlying: Common Units · 25,150 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 Units granted under Long-Term Incentive Plan (includes distribution equivalent rights payable in cash).

F2 · derivative.exercise_price: One common unit is deliverable, upon vesting, for each Phantom Unit that vests.

F3 · derivative.expiration_date: N/A

SEC source: 0001062993-22-018121 · form4.xml · nonDerivative · entry 2

McGee Richard K. · CIK 0001490023 · EVP, General Counsel & Sec.

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 293,307

SEC source: 0001062993-22-018121 · form4.xml · nonDerivative · entry 1

McGee Richard K. · CIK 0001490023 · EVP, General Counsel & Sec.

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 303,204

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: 0001615619-21-000075 · edgar.xml · derivative · entry 1

McGee Richard K. · CIK 0001490023 · EVP, General Counsel & Sec.

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 120,200

Underlying: Common Units · 120,200 shares

Expires not disclosed

F1 · security: Grant of Phantom Units under Long-Term Incentive Plan (includes distribution equivalent rights payable in cash).

F2 · derivative.exercise_price: One common unit is deliverable, upon vesting, for each Phantom Unit that vests.

F3 · derivative.exercise_date: These phantom units will vest as follows: (a) Tranche 1, consisting of 60,100 phantom units, will vest on the August 2024 distribution date assuming continued service through such date; (b) Tranche 2, consisting of 30,050 phantom units (assuming 100% payout at target), will potentially vest on the August 2024 distribution date at a scaled payout range of between 0% to 200% (0 units to 60,100 units) based on PAA's total shareholder return (TSR) over the three-year period ending June 30, 2024 compared to the TSR of a selected peer group; and (c) Tranche 3, consisting of 30,050 phantom units (assuming 100% payout at target), will potentially vest on the August 2024 distribution date at a scaled payout range of between 0% to 200% (0 units to 60,100 units) based on PAA achieving cumulative distributable cash flow per common unit equivalent of $6.00 over the three-year period ending June 30, 2024 (with such payout being subject to adjustment by plus or minus 50 gross percentage points (subject to a cap of 200%) based on the extent to which PAA achieves a leverage ratio as of June 30, 2024 that is less than or greater than, respectively, the target leverage ratio for such date assumed in PAA's long term plan as of August 2021, plus or minus .15x, as applicable).

F4 · derivative.exercise_date: DERs associated with Tranche 1 will accrue for the first year and be paid in cash in a lump sum on the August 2022 distribution date; beginning in November 2022, DERs associated with Tranche 1 will be paid quarterly until the phantom units vest. DERs associated with Tranches 2 and 3 will accrue during the three-year vesting period and be paid in cash in a lump sum on the August 2024 distribution date with respect to each phantom unit that vests on such date.

F3 · derivative.expiration_date: These phantom units will vest as follows: (a) Tranche 1, consisting of 60,100 phantom units, will vest on the August 2024 distribution date assuming continued service through such date; (b) Tranche 2, consisting of 30,050 phantom units (assuming 100% payout at target), will potentially vest on the August 2024 distribution date at a scaled payout range of between 0% to 200% (0 units to 60,100 units) based on PAA's total shareholder return (TSR) over the three-year period ending June 30, 2024 compared to the TSR of a selected peer group; and (c) Tranche 3, consisting of 30,050 phantom units (assuming 100% payout at target), will potentially vest on the August 2024 distribution date at a scaled payout range of between 0% to 200% (0 units to 60,100 units) based on PAA achieving cumulative distributable cash flow per common unit equivalent of $6.00 over the three-year period ending June 30, 2024 (with such payout being subject to adjustment by plus or minus 50 gross percentage points (subject to a cap of 200%) based on the extent to which PAA achieves a leverage ratio as of June 30, 2024 that is less than or greater than, respectively, the target leverage ratio for such date assumed in PAA's long term plan as of August 2021, plus or minus .15x, as applicable).

F4 · derivative.expiration_date: DERs associated with Tranche 1 will accrue for the first year and be paid in cash in a lump sum on the August 2022 distribution date; beginning in November 2022, DERs associated with Tranche 1 will be paid quarterly until the phantom units vest. DERs associated with Tranches 2 and 3 will accrue during the three-year vesting period and be paid in cash in a lump sum on the August 2024 distribution date with respect to each phantom unit that vests on such date.

SEC source: 0001615619-21-000059 · edgar.xml · derivative · entry 3

McGee Richard K. · CIK 0001490023 · EVP, General Counsel & Sec.

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Units · 23,000 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 Units granted under Long-Term Incentive Plan (includes distribution equivalent rights payable in cash).

F2 · derivative.exercise_price: One common unit is deliverable, upon vesting, for each Phantom Unit that vests.

F3 · derivative.expiration_date: N/A

SEC source: 0001615619-21-000059 · edgar.xml · nonDerivative · entry 2

McGee Richard K. · CIK 0001490023 · EVP, General Counsel & Sec.

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 278,054

SEC source: 0001615619-21-000059 · edgar.xml · nonDerivative · entry 1

McGee Richard K. · CIK 0001490023 · EVP, General Counsel & Sec.

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 286,878

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: 0001615619-21-000035 · edgar.xml · derivative · entry 3

McGee Richard K. · CIK 0001490023 · EVP, General Counsel & Sec.

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Units · 12,500 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 Units granted under Long-Term Incentive Plan (includes distribution equivalent rights payable in cash).

F2 · derivative.exercise_price: One common unit is deliverable, upon vesting, for each Phantom Unit that vests.

F3 · derivative.expiration_date: N/A

SEC source: 0001615619-21-000035 · edgar.xml · nonDerivative · entry 2

McGee Richard K. · CIK 0001490023 · EVP, General Counsel & Sec.

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 263,878

SEC source: 0001615619-21-000035 · edgar.xml · nonDerivative · entry 1

McGee Richard K. · CIK 0001490023 · EVP, General Counsel & Sec.

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 266,922

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: 0001615619-21-000006 · edgar.xml · derivative · entry 2

McGee Richard K. · CIK 0001490023 · EVP, General Counsel & Sec.

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 230,338

Underlying: Common Units · 230,338 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, 2021, the Reporting Person exercised his right to convert 244,694 vested Class B Units into 230,338 Class A Units and Class B Shares.

F2 · derivative.exercise_date: Pursuant to the limited partnership agreement of AAP, Reporting Person has the right, at any time and from time to time, to redeem (the "Redemption Right") his Class A Units, together with a like number of Class B Shares, for common units of Plains All American Pipeline, L.P. on a one-for-one basis. Reporting Person has not yet exercised the Redemption Right; the Redemption Right does not expire.

F2 · derivative.expiration_date: Pursuant to the limited partnership agreement of AAP, Reporting Person has the right, at any time and from time to time, to redeem (the "Redemption Right") his Class A Units, together with a like number of Class B Shares, for common units of Plains All American Pipeline, L.P. on a one-for-one basis. Reporting Person has not yet exercised the Redemption Right; the Redemption Right does not expire.

SEC source: 0001615619-21-000006 · edgar.xml · derivative · entry 1

McGee Richard K. · CIK 0001490023 · EVP, General Counsel & Sec.

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Class A Units/Class B Shares · 230,338 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, 2021, the Reporting Person exercised his right to convert 244,694 vested Class B Units into 230,338 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, 2021, the Reporting Person exercised his right to convert 244,694 vested Class B Units into 230,338 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, 2021, the Reporting Person exercised his right to convert 244,694 vested Class B Units into 230,338 Class A Units and Class B Shares.

SEC source: 0001615619-21-000012 · edgar.xml · derivative · entry 2

McGee Richard K. · CIK 0001490023 · EVP, General Counsel & Sec.

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 230,338

Underlying: Class A Shares · 230,338 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, 2021, the Reporting Person exercised his right to convert 244,694 vested Class B Units into 230,338 Class A Units and Class B Shares.

F2 · derivative.exercise_date: Pursuant to the limited partnership agreement of AAP, Reporting Person has the right, at any time and from time to time, to exchange (the "Exchange Right") his Class A Units, together with a like number of Class B Shares, for Class A Shares of PAGP on a one-for-one basis. The Reporting Person has not yet exercised the Exchange Right; the Exchange Right does not expire.

F2 · derivative.expiration_date: Pursuant to the limited partnership agreement of AAP, Reporting Person has the right, at any time and from time to time, to exchange (the "Exchange Right") his Class A Units, together with a like number of Class B Shares, for Class A Shares of PAGP on a one-for-one basis. The Reporting Person has not yet exercised the Exchange Right; the Exchange Right does not expire.

SEC source: 0001615619-21-000012 · edgar.xml · derivative · entry 1

McGee Richard K. · CIK 0001490023 · EVP, General Counsel & Sec.

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Class A Units/Class B Shares · 230,338 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, 2021, the Reporting Person exercised his right to convert 244,694 vested Class B Units into 230,338 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, 2021, the Reporting Person exercised his right to convert 244,694 vested Class B Units into 230,338 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, 2021, the Reporting Person exercised his right to convert 244,694 vested Class B Units into 230,338 Class A Units and Class B Shares.

SEC source: 0001615619-21-000018 · edgar.xml · derivative · entry 1

McGee Richard K. · CIK 0001490023 · EVP, General Counsel & Sec.

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 414,607

Underlying: Common Units · 230,338 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: Pursuant to the limited partnership agreement of Plains AAP, L.P. ("AAP"), Reporting Person has the right, at any time and from time to time, to redeem (the "Redemption Right") his Class A Units of AAP, together with a like number of Class B Shares of Plains GP Holdings, L.P., for common units of Plains All American Pipeline, L.P. on a one-for-one basis. Reporting Person has not yet exercised the Redemption Right; the Redemption Right does not expire.

F1 · derivative.expiration_date: Pursuant to the limited partnership agreement of Plains AAP, L.P. ("AAP"), Reporting Person has the right, at any time and from time to time, to redeem (the "Redemption Right") his Class A Units of AAP, together with a like number of Class B Shares of Plains GP Holdings, L.P., for common units of Plains All American Pipeline, L.P. on a one-for-one basis. Reporting Person has not yet exercised the Redemption Right; the Redemption Right does not expire.

F2 · balance_after: This amendment to Form 4 is being filed to correct the total number of derivative securities in Column 9.

SEC source: 0001615619-21-000020 · edgar.xml · derivative · entry 1

McGee Richard K. · CIK 0001490023 · EVP, General Counsel & Sec.

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 414,607

Underlying: Class A Shares · 230,338 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: Pursuant to the limited partnership agreement of Plains AAP, L.P. ("AAP"), Reporting Person has the right, at any time and from time to time, to exchange (the "Exchange Right") his Class A Units of AAP, together with a like number of Class B Shares of Plains GP Holdings, L.P. ("PAGP"), for Class A Shares of PAGP on a one-for-one basis. Reporting Person has not yet exercised the Exchange Right; the Exchange Right does not expire.

F1 · derivative.expiration_date: Pursuant to the limited partnership agreement of Plains AAP, L.P. ("AAP"), Reporting Person has the right, at any time and from time to time, to exchange (the "Exchange Right") his Class A Units of AAP, together with a like number of Class B Shares of Plains GP Holdings, L.P. ("PAGP"), for Class A Shares of PAGP on a one-for-one basis. Reporting Person has not yet exercised the Exchange Right; the Exchange Right does not expire.

F2 · balance_after: This amendment to Form 4 is being filed to correct the total number of derivative securities in Column 9.

SEC source: 0001615619-20-000091 · edgar.xml · derivative · entry 3

McGee Richard K. · CIK 0001490023 · EVP, General Counsel & Sec.

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 23,000

Underlying: Common Units · 23,000 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 Units granted under Long-Term Incentive Plan (includes distribution equivalent rights payable in cash).

F2 · derivative.exercise_price: One common unit is deliverable, upon vesting, for each Phantom Unit that vests.

F3 · derivative.expiration_date: N/A

SEC source: 0001615619-20-000091 · edgar.xml · nonDerivative · entry 2

McGee Richard K. · CIK 0001490023 · EVP, General Counsel & Sec.

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 254,422

SEC source: 0001615619-20-000091 · edgar.xml · nonDerivative · entry 1

McGee Richard K. · CIK 0001490023 · EVP, General Counsel & Sec.

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 263,473

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: 0001615619-20-000091 · edgar.xml · derivative · entry 4

McGee Richard K. · CIK 0001490023 · EVP, General Counsel & Sec.

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 150,380

Underlying: Common Units · 150,380 shares

Expires not disclosed

F1 · security: Phantom Units granted under Long-Term Incentive Plan (includes distribution equivalent rights payable in cash).

F2 · derivative.exercise_price: One common unit is deliverable, upon vesting, for each Phantom Unit that vests.

F4 · derivative.exercise_date: These phantom units will vest as follows: (a) Tranche 1, consisting of 75,190 phantom units, will vest on the August 2023 distribution date assuming continued service through such date; (b) Tranche 2, consisting of 37,595 phantom units (assuming 100% payout at target), will potentially vest on the August 2023 distribution date at a scaled payout range of between 0% to 200% (0 units to 75,190 units) based on PAA's total shareholder return (TSR) over the three-year period ending June 30, 2023 compared to the TSR of a selected peer group; and (c) Tranche 3, consisting of 37,595 phantom units (assuming 100% payout at target), will potentially vest on the August 2023 distribution date at a scaled payout range of between 0% to 200% (0 units to 75,190 units) based on (i) PAA achieving cumulative distributable cash flow per common unit equivalent of $6.00 over the three-year period ending June 30, 2023 and (ii) PAA achieving a leverage ratio as of June 30, 2023 consistent with the leverage ratio assumed in its long term plan as of August 2020.

F5 · derivative.exercise_date: DERs associated with Tranche 1 will accrue for the first year and be paid in cash in a lump sum on the August 2021 distribution date; beginning in November 2021, DERs associated with Tranche 1 will be paid quarterly until the phantom units vest. DERs associated with Tranches 2 and 3 will accrue during the three-year vesting period and be paid in cash in a lump sum on the August 2023 distribution date with respect to each phantom unit that vests on such date.

F4 · derivative.expiration_date: These phantom units will vest as follows: (a) Tranche 1, consisting of 75,190 phantom units, will vest on the August 2023 distribution date assuming continued service through such date; (b) Tranche 2, consisting of 37,595 phantom units (assuming 100% payout at target), will potentially vest on the August 2023 distribution date at a scaled payout range of between 0% to 200% (0 units to 75,190 units) based on PAA's total shareholder return (TSR) over the three-year period ending June 30, 2023 compared to the TSR of a selected peer group; and (c) Tranche 3, consisting of 37,595 phantom units (assuming 100% payout at target), will potentially vest on the August 2023 distribution date at a scaled payout range of between 0% to 200% (0 units to 75,190 units) based on (i) PAA achieving cumulative distributable cash flow per common unit equivalent of $6.00 over the three-year period ending June 30, 2023 and (ii) PAA achieving a leverage ratio as of June 30, 2023 consistent with the leverage ratio assumed in its long term plan as of August 2020.

F5 · derivative.expiration_date: DERs associated with Tranche 1 will accrue for the first year and be paid in cash in a lump sum on the August 2021 distribution date; beginning in November 2021, DERs associated with Tranche 1 will be paid quarterly until the phantom units vest. DERs associated with Tranches 2 and 3 will accrue during the three-year vesting period and be paid in cash in a lump sum on the August 2023 distribution date with respect to each phantom unit that vests on such date.

SEC source: 0001615619-20-000016 · edgar.xml · derivative · entry 2

McGee Richard K. · CIK 0001490023 · EVP, General Counsel & Sec.

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 184,269

Underlying: Common Units · 184,269 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 an equal number of 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 14, 2020, the Reporting Person exercised his right to convert 195,755 vested Class B Units into 184,269 Class A Units and Class B Shares.

F2 · derivative.exercise_date: Pursuant to the limited partnership agreement of AAP, Reporting Person has the right, at any time and from time to time, to redeem (the "Redemption Right") his Class A Units, together with a like number of Class B Shares, for common units of Plains All American Pipeline, L.P. on a one-for-one basis. Reporting Person has not yet exercised the Redemption Right; the Redemption Right does not expire.

F2 · derivative.expiration_date: Pursuant to the limited partnership agreement of AAP, Reporting Person has the right, at any time and from time to time, to redeem (the "Redemption Right") his Class A Units, together with a like number of Class B Shares, for common units of Plains All American Pipeline, L.P. on a one-for-one basis. Reporting Person has not yet exercised the Redemption Right; the Redemption Right does not expire.

SEC source: 0001615619-20-000016 · edgar.xml · derivative · entry 1

McGee Richard K. · CIK 0001490023 · EVP, General Counsel & Sec.

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 244,694

Underlying: Class A Units/Class B Shares · 184,269 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 an equal number of 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 14, 2020, the Reporting Person exercised his right to convert 195,755 vested Class B Units into 184,269 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 an equal number of 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 14, 2020, the Reporting Person exercised his right to convert 195,755 vested Class B Units into 184,269 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 an equal number of 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 14, 2020, the Reporting Person exercised his right to convert 195,755 vested Class B Units into 184,269 Class A Units and Class B Shares.

SEC source: 0001615619-20-000018 · edgar.xml · derivative · entry 2

McGee Richard K. · CIK 0001490023 · EVP, General Counsel & Sec.

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 184,269

Underlying: Class A Shares · 184,269 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 an equal number of 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 14, 2020, the Reporting Person exercised his right to convert 195,755 vested Class B Units into 184,269 Class A Units and Class B Shares.

F2 · derivative.exercise_date: Pursuant to the limited partnership agreement of AAP, Reporting Person has the right, at any time and from time to time, to exchange (the "Exchange Right") his Class A Units, together with a like number of Class B Shares, for Class A Shares of PAGP on a one-for-one basis. The Reporting Person has not yet exercised the Exchange Right; the Exchange Right does not expire.

F2 · derivative.expiration_date: Pursuant to the limited partnership agreement of AAP, Reporting Person has the right, at any time and from time to time, to exchange (the "Exchange Right") his Class A Units, together with a like number of Class B Shares, for Class A Shares of PAGP on a one-for-one basis. The Reporting Person has not yet exercised the Exchange Right; the Exchange Right does not expire.

SEC source: 0001615619-20-000018 · edgar.xml · derivative · entry 1

McGee Richard K. · CIK 0001490023 · EVP, General Counsel & Sec.

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 244,694

Underlying: Class A Units/Class B Shares · 184,269 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 an equal number of 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 14, 2020, the Reporting Person exercised his right to convert 195,755 vested Class B Units into 184,269 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 an equal number of 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 14, 2020, the Reporting Person exercised his right to convert 195,755 vested Class B Units into 184,269 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 an equal number of 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 14, 2020, the Reporting Person exercised his right to convert 195,755 vested Class B Units into 184,269 Class A Units and Class B Shares.

SEC source: 0001615619-19-000070 · edgar.xml · derivative · entry 4

McGee Richard K. · CIK 0001490023 · EVP, General Counsel & Sec.

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 50,300

Underlying: Common Units · 50,300 shares

Expires not disclosed

F1 · security: Phantom Units granted under Long-Term Incentive Plan (includes distribution equivalent rights payable in cash).

F2 · derivative.exercise_price: One Common Unit is deliverable, upon vesting, for each Phantom Unit that vests.

F4 · derivative.exercise_date: Phantom Units will vest 50% on the August 2022 distribution date and 50% on the later of the August 2022 distribution date and the first distribution date following PAA's achievement of distributable cash flow ("DCF") per common unit of at least $2.65 on a trailing four quarter basis. The applicable trailing four quarter period for determining whether the requisite DCF per common unit has been achieved for vesting of phantom units may not begin until after December 31, 2020. The associated DERs will vest (i) 50% on the August 2020 distribution date and (ii) 50% on the first distribution date following January 1, 2021 on which PAA achieves DCF per common unit of at least $2.50 on a trailing four quarter basis.

F3 · derivative.expiration_date: N/A

SEC source: 0001615619-19-000070 · edgar.xml · derivative · entry 3

McGee Richard K. · CIK 0001490023 · EVP, General Counsel & Sec.

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 46,000

Underlying: Common Units · 46,000 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 Units granted under Long-Term Incentive Plan (includes distribution equivalent rights payable in cash).

F2 · derivative.exercise_price: One Common Unit is deliverable, upon vesting, for each Phantom Unit that vests.

F3 · derivative.expiration_date: N/A

SEC source: 0001615619-19-000070 · edgar.xml · nonDerivative · entry 2

McGee Richard K. · CIK 0001490023 · EVP, General Counsel & Sec.

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 240,473

SEC source: 0001615619-19-000070 · edgar.xml · nonDerivative · entry 1

McGee Richard K. · CIK 0001490023 · EVP, General Counsel & Sec.

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 258,574

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: 0001615619-19-000042 · edgar.xml · derivative · entry 6

McGee Richard K. · CIK 0001490023 · EVP, General Counsel & Sec.

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 92,000

Underlying: Common Units · 46,000 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: 1-for-1 Common Units for Phantom Units granted under long-term incentive plan.

F2 · derivative.expiration_date: N/A

SEC source: 0001615619-19-000042 · edgar.xml · derivative · entry 5

McGee Richard K. · CIK 0001490023 · EVP, General Counsel & Sec.

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Units · 35,000 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: 1-for-1 Common Units for Phantom Units granted under long-term incentive plan.

F2 · derivative.expiration_date: N/A