X ET 1101-001-4 Shipment Notification - under "Material Header" MSDS - labeled as the "Product Number" (in Section 1)

PURPLE 4 X ET 2010 89230#SR-02001 Black Shipment Notification - under "Material Header" MSDS - labeled as the "Product Number" (in Section 1)

PVC VIBRANT PINK 4 X TT 6600-0001 EC Anthracite-2NT Shipment Notification - under "Material Header" MSDS - labeled as the "Product Number" (in Section 1)

X ET-7545-001-4 Natural Shipment Notification - under "Material Header" MSDS - labeled as the "Product Number" (in Section 1)

X LF-782-001-A AMBER UV PE 4 Shipment Notification - under "Material Header" MSDS - labeled as the "Product Number" (in Section 1)

BROWNEST BROWN 4 X AM-0417081 BLACK Shipment Notification - under "Material Header" MSDS - labeled as the "Product Number" (in Section 1)

BLACK UV 4 X 41906-0007A-01-5 Shipment Notification - under "Material Header" MSDS - labeled as the "Product Number" (in Section 1)

BLAZE PINK 4 X HC-101113 Black Shipment Notification - under "Material Header" MSDS - labeled as the "Product Number" (in Section 1)

X NN-1542103 Black 4% Prl. Shipment Notification - under "Material Header" MSDS - labeled as the "Product Number" (in Section 1)

October 4, 2018 Investor Relations Contact: Joe Di Salvo, Vice President, 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