CLEVELAND, Nov. 1, 2022 /PRNewswire/ -- Avient Corporation (NYSE: AVNT), a leading global provider of specialized and sustainable material solutions November 1, 2022

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

SUZHOU, China – June 1, 2023 – Today, Avient Corporation will exhibit its broad range of specialty and sustainable colorants and additives, thermo June 1, 2023

POMMERLOCH, Luxembourg – October 1, 2018 – Wire and cable OEMs rely on PolyOne’s industry-leading OnCap™ Aversive masterbatch additives to pro October 1, 2018

The call can be accessed via telephone by dialing 1-800-299-9086 (International: 1-617-786-2903) and entering Passcode 96405983. ET on March 12, 2014 by dialing 1-888-286-8010 (International: 1-617-801-6888) and entering Passcode 17240376. Rose Director, Corporate Communications PolyOne Corporation +1 440.930.3162 kyle.rose@avient.com

X LB 31173-1-1 X LB 31173-1-2 Shipment Notification - under "Material Header" MSDS - labeled as the "Product Number" (in Section 1)

CC RED-F 92 1% UV HERITAGE RED-F 1% CC BLUE-F 2000 1% PE

WHITE 1% UV HDPE 030GN547 (337Lt Green)STD#1 PVC CC HMF 030TN470 (011 Tan )STD#1 PVC CC HMF

PROMOTIONAL GREEN MB 2019 DOE2-1 PROMOTIONAL GREEN MB 2019 DOE3-1 PROMOTIONAL GREEN MB 2019 DOE1-1

WHITE 1 ECCOH WC 186/1 NC POL4241 EVM-1-16