Plains All American Pipeline (PAA) Proxy filing summary

Voting matters and shareholder proposals

• Election of four directors: Willie Chiang, Ellen DeSanctis, Alexandra Pruner, and Lawrence Ziemba, with board recommending a vote for all nominees.

• Ratification of PricewaterhouseCoopers LLP as independent registered public accounting firm for 2026, with board recommending approval.

• Advisory vote to approve 2025 named executive officer compensation, with board recommending approval.

• Shareholders may address other business as may properly come before the meeting or any adjournment.

Board of directors and corporate governance

• Four director nominees are presented for election at the 2026 annual meeting.

Executive compensation and say-on-pay

• Advisory vote scheduled for shareholder approval of 2025 named executive officer compensation.