PLAINS GP HOLDINGS LP

Note 9—Related Party Transactions

See Note 17 to our Consolidated Financial Statements included in Part IV of our 2025 Annual Report on Form 10-K for a complete discussion of related parties, including the determination of our related parties and nature of involvement with such related parties.

During the three and nine months ended September 30, 2026 and 2025, we recognized sales and transportation revenues, purchased petroleum products and utilized transportation and storage services from related parties. These transactions were conducted at posted tariff rates or prices that we believe approximate market.

The impact to our Condensed Consolidated Statements of Operations from these transactions is included below (in millions):

Our receivable and payable amounts with these related parties as reflected on our Condensed Consolidated Balance Sheets were as follows (in millions):

(1)Primarily includes amounts related to transportation and storage services.

(2)We have agreements to store crude oil at facilities and transport crude oil or utilize capacity on pipelines that are owned by equity method investees. A portion of our commitment to transport is supported by crude oil buy/sell or other agreements with third parties with commensurate quantities.

EMG. Certain funds affiliated with EMG and subsidiaries of EMG, which is associated with a member of our board of directors, were associated with activity involving the PAA Series A preferred units and recent acquisitions, respectively. See Note 7 and Note 12 for additional information.