PLAINS ALL AMERICAN PIPELINE LP

For the period ended May 12, 2026. Filed May 12, 2026.

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May 12, 2026 · Filed May 12, 2026

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PAA$23.92-2.5%Stored close · as of Nov 6, 2026

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SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the Registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

PLAINS ALL AMERICAN PIPELINE, L.P.

By: PAA GP LLC, its general partner

By: Plains AAP, L.P., its sole member

By: Plains All American GP LLC, its general partner

Date: May 12, 2026	By:	/s/ Richard K. McGee
	Name:	Richard K. McGee
	Title:	Executive Vice President, General Counsel and Secretary

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