Plains All American CFO Chris Herbold to retire Aug 31; 24-year veteran Russ Montgomery promoted

Filed June 2, 2026 · Period ending June 1, 2026 · ~1 min read

Key Changes

• high

  Chief Accounting Officer Chris Herbold retiring effective August 31, 2026, marking the departure of a senior financial officer responsible for accounting and financial reporting functions.

  Item 5.02 verify on EDGAR →
• high

  Russ Montgomery, current VP and Controller since 2019, promoted to Chief Accounting Officer effective September 1, 2026, ensuring continuity with an internal successor.

  Item 5.02 verify on EDGAR →
• medium

  Montgomery brings 24 years of company experience across progressively senior accounting roles including Controller (2010-2019), operational accounting, and SEC/financial reporting positions.

  Item 5.02 verify on EDGAR →