<p>➀ Hobart C. Kalkstein, Executive Vice President and President of Cabot Corporation's Reinforcement Materials Segment, will retire on January 5, 2026.</p><p>➁ Matthew Wood has been appointed as Senior Vice President and President of the Reinforcement Materials Segment, succeeding Kalkstein.</p><p>➂ The transition reflects Cabot's focus on leadership continuity and strategic stability within its key business units.</p>