Pro Forma Financial Information The Company acquired Avient Protective Materials (“Dyneema”) on September 1, 2022 (the “Acquisition Date”) and sold the Distribution segment on November 1, 2022. Expand EBITDA margins to 20% 3. Deliver annual EBITDA and EPS growth of 10% and 15% 4.

SECCIÓN AZUL - PANTONE 0330-4-1 (V2) VERDE CLARO - P-0360-4-1 (V2) ROSA - P- 0150-4-3 (V2)

Microsoft PowerPoint - AVNT Fermium Conference - May 2023 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 AY 4 , 2 0 2 3 H O S T E D B Y : 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. Pro Forma Financial Information The Company acquired Avient Protective Materials (“Dyneema”) on September 1, 2022 (the “Acquisition Date”) and sold the Distribution segment on November 1, 2022. F X ) -10% -11% -3% -12% 14 Avient ex.

X S1060A F-3 Natural X S1060A F-4 Natural Shipment Notification - under "Material Header" MSDS - labeled as the "Product Number" (in Section 1)

A01 ALLSTATE WHITE #3 LIG GREEN 577U #4 RESIN 1

Geon(TM) DB4890 Black Dip 4 X GT-1857-1A SIENNA 3

DP-9202-1 DP-9203-3 DP-9203-4

DARK GREEN Q370-1-4 WHITE Q520-6-3 X ST-691-004-18

X ET 39670-01A-01-1 XGT-39748-0001A-01-3 XGT-39748-0001A-01-4

PRE-BLUE TX T225-1-4 AM X ET6600-0031 RS Khaki WALNUT 3