Changes in Beneficial Ownership · 4

PLAINS GP HOLDINGS LP

PAGPNASDAQEQUITYCurrent

Changes in Beneficial Ownership

Filed Aug 17, 2026Accepted Aug 17, 2026, 4:26 PM EDTFiling CIK 1581990Accession 0001581990-26-000041

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Structured filing — 4

form4.xml

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Filing details

Report period: 2026-08-13
Issuer: PLAINS GP HOLDINGS LP
Issuer CIK: 0001581990
Trading symbol: PAGP

Reporting owner 1

Name: TAYLOR CINDY B
Reporting owner CIK: 0001198828
Relationship: Director
Address: 333 CLAY STREET, SUITE 1600, HOUSTON, TX, 77002

Derivative transactions

Derivative transactions · 1 reported row
Security	Conversion / exercise price (USD)	Transaction date	Code	Amount	A / D	Price (USD)	Exercisable	Expires	Underlying security	Underlying shares	Owned after	Ownership
Phantom Class A Shares^[F1]	^[F2]	2026-08-13	A · Form 4	7,700	A	0	2027-08-13	^[F3]	Class A Shares	7,700	7,700	D

Table key

A · Form 4: Acquisition by grant, award or otherwise under Rule 16b-3(d)
A: Acquired
D: Direct

Footnotes

F1: Phantom Class A shares granted under Long-Term Incentive Plan (includes associated dividend equivalent rights payable in cash).↩ 1
F2: One Class A share is deliverable for each Phantom Class A share that vests.↩ 1
F3: Upon termination of service as director, other than because of death, disability or retirement.↩ 1

Signature 1

Signed: /s/ Ann F. Gullion, as attorney-in-fact for Reporting Person
Date: 2026-08-17

Company context

PAA is a publicly traded master limited partnership that owns and operates midstream energy infrastructure and provides logistics services for crude oil. PAA owns an extensive network of pipeline gathering and transportation systems, in addition to terminaling, storage, and other infrastructure assets serving key producing basins, transportation corridors and major market hubs and export outlets in the United States and Canada.

Current securities

PAGPNASDAQ · EQUITY · Current

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