Investor Relations Contact: Joe Di Salvo, Vice President, Treasurer and Investor Relations, PolyOne Corporation, +1 440-930-1921, giuseppe.disalvo@avient.com; Media Contact: Kyle G. Rose, Vice President, Corporate Communications, PolyOne Corporation, +1 440-930-3162, kyle.rose@avient.com

PPRC-20G BLACK 1 Shipment Notification - under "Material Header" MSDS - labeled as the "Product Number" (in Section 1)

050RD431 HMF FEDERAL CARTRIDGE FORM#1 Shipment Notification - under "Material Header" MSDS - labeled as the "Product Number" (in Section 1)

HDA-PASTEL GREYSTONE/ABS-1 Shipment Notification - under "Material Header" MSDS - labeled as the "Product Number" (in Section 1)

NOTE: On July 1, 2020, PolyOne and Clariant Masterbatches joint together as Avient, a new kind of materials company focused on conquering customer challenges and unlocking the potential for innovation and sustainability around the globe.  Michelle Maniscalco Senior Manager, Marketing Communications Avient Corporation +1 440-930-1988 michelle.maniscalco@avient.com

ULTIMATE DALI BLUE.PG.AD-1 Shipment Notification - under "Material Header" MSDS - labeled as the "Product Number" (in Section 1)

1-P704-HHV NATURAL LATEX Shipment Notification - under "Material Header" MSDS - labeled as the "Product Number" (in Section 1)

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

CONTROL Y DEFINICION (1) HDPE Shipment Notification - under "Material Header" MSDS - labeled as the "Product Number" (in Section 1)

TPE OM6258-1 FLAT DARK EARTH Shipment Notification - under "Material Header" MSDS - labeled as the "Product Number" (in Section 1)