X0508 4 2025-02-19 0001122976 AVIENT CORP AVNT 0001632652 Midea M. John Jr. AVIENT CORPORATION 33587 WALKER ROAD AVON LAKE OH 44012 1 SVP, Glbl Ops & Process Imprv 0 Restricted Stock Units 2025-02-19 4 A 0 6380 0 A Common Stock 6380 6380 D Each restricted stock unit represents a contingent right to receive one share of Avient common stock. The restricted stock units vest ratably on each of the first three anniversaries of the February 19, 2025 date of grant, unless earlier vested or terminated pursuant to the terms of the grant agreement. /s/ Robert K. James, Power of Attorney For: M. John Midea Jr. 2025-02-21