T-ORANGE T-YELLOW PP FR 8-6 LMS-1000

LT T-BLUE TEAL SPARKLE V7 T-LT BLUER GREEN SPARKLE PP FR 8-6 LMS-1000

PARENT ZHEA CDB210 T.5 PARENT ZHEA CDB210 T.6 PP FR 8-6 LMS-1000

TRSP PURPLE T-505-1-3 TRSP ORANGE T-505-7-1 PP FR 8-6 LMS-1000

BLUE # 1 T-225-1-3 BLUE # 2 T-215-3-3 PP FR 8-6 LMS-1000

DB1574A BLACK T MM205AG356 AQUA GREEN #356 PP FR 8-6 LMS-1000

Microsoft PowerPoint - AVNT Mar 2023 Earnings Presentation AVIENT CORPORATION I N V E S T O R P R E S E N T A T I O N (NYSE: AVNT) M A R C H 2 0 2 3 DISCLAIMER Forward-Looking Statements Certain statements contained in or incorporated by reference into this presentation constitute “forward-looking statements” within the meaning of the Private Securities Litigation Reform Act of 1995. WHAT WE DO: MATERIAL SCIENCE 5 CUSTOM FORMULATION FE BRUARY 1 5 , 2023 W EB CAS T Q4 2022 VS. Avient Specialty Formulators Other Specialty / Chemical Companies 2023E(%) 31 79 87 81 79 76 73 90 77 76 75 73 64 59 33 A vi en t K W R P P G F U L A V Y R P M F M C C E A S H H X L E C L H U N E M N S C L MULTIPLE EXPANSION Avient Specialty Formulators Other Specialty / Chemical Companies Source: Peer data per Bloomberg as of February 13, 2023 Note: Avient reflects 2023 adjusted EBITDA guidance of $530M and closing share price of $38.89.

PP FR 8-6 A BLACK - ROHS PP-H-30CUV-2001 White PP FR 8-6 LMS-1000

PP-H-10G BLK IVORY UV/FR PP ZYTEL BLACK