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

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

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

+1 440-930-1018 +1 440-930-3162

1) 8 a.m. - Fred Birkel, Advanced Application Development & Technical Services Engineer for Specialty Engineered Materials, will present an evaluation of thermoplastic elastomers with antimicrobial additives.   2) 1 p.m. - Ryan Divens, Technology Manager R&D for Color & Additives, will deliver “Navigating PFAS Replacements in the Plastics Industry.”  

+1 440-930-1018 +1 440-930-3162

GRNPWDMB (1% Chromium Oxide Green G- 6099) Shipment Notification - under "Material Header" MSDS - labeled as the "Product Number" (in Section 1)

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

X NM 252825#SR-23799-1-5 Grey Conc 3% Shipment Notification - under "Material Header" MSDS - labeled as the "Product Number" (in Section 1)

1) Global Reporting Initiative (GRI): includes three categories of standards that provide transparency of ESG metrics to all individuals involved in an organization: Here are some ESG factors to consider when deciding on collaborations within your industry’s value chain:  1) Environmental factors