October 1, 2018 CLEVELAND, June 1, 2018 /PRNewswire/ -- PolyOne Corporation (NYSE: POL), a premier global provider of specialized polymer materials, servi June 1, 2018

CONDITIONS GENERALES DE VENTE Les présentes conditions générales régissent la vente de Produits (« Produit(s) ») à une autre personne (« Acheteur ») par Avient Corporation et ses sociétés affiliées (« Vendeur »). 1.

FERC)1. Swanson, Director, Investor Relations, PolyOne Corporation, +1 440-930-1018, eric.swanson@avient.com, Media Contact: Kyle G. Rose, Vice President, Corporate Communications, PolyOne Corporation, +1 440-930-3162, kyle.rose@avient.com

In some instances, it also was subject to UL’s Vertical Wire Class 1 rating for flame resistance (VW-1). It also complied with the critical standards – UL 4703 for photovoltaic wire, UL 44 for indoor use and VW-1 for flame resistance – enabling streamlined production of wires and cables that meet virtually all specifications for solar USE-2 applications.

The HC8920 grades are formulated to meet certification to UL94 5VA at 3.0 mm, V-0 at 1.5 mm, V-1 at 0.75 mm. NOTE: On July 1, 2020, PolyOne and Clariant Masterbatches joined 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

Investor contact: Isaac 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 Trade Media Contact: Michelle Maniscalco Marketing Communications Manager, North America PolyOne Corporation +1 440-930-1988 michelle.maniscalco@avient.com

Swanson Director, Investor Relations PolyOne Corporation +1 440-930-1018 eric.swanson@avient.com Rose Vice President, Corporate Communications PolyOne Corporation +1 440-930-3162 kyle.rose@avient.com Trade Media Contact: Michelle Maniscalco Marketing Communications Manager, North America PolyOne Corporation +1 440-930-1988 michelle.maniscalco@avient.com

Investor contact: Isaac 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 Trade Media Contact: Michelle Maniscalco Marketing Communications Manager, North America PolyOne Corporation +1 440-930-1988 michelle.maniscalco@avient.com

Investor contact: Isaac 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 Trade Media contact: Michelle Maniscalco Marketing Communications Manager, North America PolyOne Corporation +1 440-930-1988 michelle.maniscalco@avient.com

Swanson Director, Investor Relations PolyOne Corporation +1 440-930-1018 eric.swanson@avient.com Rose Vice President, Corporate Communications PolyOne Corporation +1 440-930-3162 kyle.rose@avient.com Trade Media Contact: Michelle Maniscalco Marketing Communications Manager, North America PolyOne Corporation +1 440-930-1988 michelle.maniscalco@avient.com