DeLuca Vice President, Investor Relations PolyOne Corporation +1 440-930-1226 isaac.deluca@avient.com Rose Director, Corporate Communications PolyOne Corporation +1 440-930-3162 kyle.rose@avient.com

DeLuca Vice President, Investor Relations PolyOne Corporation +1 440-930-1226 isaac.deluca@avient.com Media Contact: Kyle Rose Director, Corporate Communications PolyOne Corporation +1 440-930-3162 kyle.rose@avient.com

Addressing Circular Economy Challenges with Innovative Color and Additive Solutions: presented by Derek Lua from Color & Additives Asia, April 23 at 1:10 pm How Avient Can Help with Metal Replacement for Applications in the Healthcare Industry: presented by Catherine Hu, Senior Marketing Specialist from Specialty Engineered Materials Asia, April 24 at 1:50 pm  

Dynaflex G 7736-1 Natural Shipment Notification - under "Material Header" MSDS - labeled as the "Product Number" (in Section 1)

Internal 1 Pack MB-3P MP100 WHT 1360 Shipment Notification - under "Material Header" MSDS - labeled as the "Product Number" (in Section 1)

DB4139 COOL GRAY #1 Shipment Notification - under "Material Header" MSDS - labeled as the "Product Number" (in Section 1)

NITEBRITE/PPRO-1 Shipment Notification - under "Material Header" MSDS - labeled as the "Product Number" (in Section 1)

VERDE PET 1 Shipment Notification - under "Material Header" MSDS - labeled as the "Product Number" (in Section 1)

TRANP PURPLE Q270-2-1 Shipment Notification - under "Material Header" MSDS - labeled as the "Product Number" (in Section 1)

X 0587-21R2 F-1 RoHS NATURAL Shipment Notification - under "Material Header" MSDS - labeled as the "Product Number" (in Section 1)