FILLER-1 FILLER-1 PIGMENT RED 57:1

CHUTE CAP Q280-2-1 BLUE PP TETHER Q300-1-1 BLUE PE Shipment Notification - under "Material Header" MSDS - labeled as the "Product Number" (in Section 1)

GB 1200 20 HS BLACK 18 1 DYNAFLEX(TM) G7940-1 NSFG (NATURAL) NeuThane 65D, 20% BaSO4, 1% TiO2

BLACK 1 RED 1 YELLOW 1

X LB 15042-001-1 X SR15031-001-1 X ET 15052-001-1

X LB 32719-2A-1-1 X LB 32719-2A-1-2 Shipment Notification - under "Material Header" MSDS - labeled as the "Product Number" (in Section 1)

To participate in the audio-only portion of the call, dial 1-844-835-7433 (domestic) or 1-914-495-8589 (international) and provide conference ID number 4774915. To listen to this recording, dial 1-855-859-2056 (domestic) or 1-404-537-3406 (international) and provide conference ID number 4774915. Rose, Vice President, Corporate Communications, Avient Corporation, +1 440-930-3162, kyle.rose@avient.com

These Terms and Conditions govern the sale of Products to another (“Buyer”) by Avient Cor- poration and its affiliates (“Seller”). 1.

September 1 January 1, 2022 January 1, 2021

January 1, 2020 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