Addressing Circular Economy Challenges with Innovative Color and Additive Solutions: presented by Derek Lua from Color & Additives Asia, April 23 at 1:10 pm How Avient Can Help with Metal Replacement for Applications in the Healthcare Industry: presented by Catherine Hu, Senior Marketing Specialist from Specialty Engineered Materials Asia, April 24 at 1:50 pm   About Avient  

Domestic: 1-844-835-7433 International: 1-914-495-8589 Domestic: 1-855-859-2056

Domestic: 1-844-835-7433 International: 1-914-495-8589 Domestic: 1-855-859-2056

Domestic: 1-844-835-7433 International: 1-914-495-8589 Domestic: 1-855-859-2056

January 1, 2019 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

Avient acquired the Clariant Color business on July 1, 2020 (the “Acquisition Date”). Whether an additional line at an existing manufacturing plant, or a new facility in a growing region, we ramp-up quickly and cost-efficiently. 22 Capex / Revenue 2021E (%) AVIENT IS ASSET LIGHT Avient Specialty Formulators Other Chemical/Specialty Companies 2 3 1 2 3 3 3 4 3 3 5 5 5 5 6 8 A vi e nt A vi e nt ( E xc l. We are Avient.

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Attachment 1 Special items (1) 1)

Attachment 1 Special items (1) 1)

Attachment 1 Special items (1) 1)