X0508 4 2025-03-04 0001122976 AVIENT CORP AVNT 0001614139 Ashish Khandpur K AVIENT CORPORATION 33587 WALKER ROAD AVON LAKE OH 44012 1 1 President & CEO 0 Restricted Stock Units 2025-03-04 4 A 0 4800 0 A Common Stock 4800 55210 D Each restricted stock unit represents a contingent right to receive one share of Avient common stock. The restricted stock units vest in substantially equal installments on each of February 19, 2026, February 19, 2027 and February 19, 2028, unless earlier vested or terminated pursuant to the terms of the grant agreement. /s/ Robert K. James, Power of Attorney for Ashish K. Khandpur 2025-03-05