Investor Contact: Eric R. Swanson , Director, Investor Relations, PolyOne Corporation, +1 440-930-1018, eric.swanson@avient.com; Media Contact: Kyle G. Investor Contacts

any underwriter or any dealer that participated in the offering will arrange to send you the prospectus and the related prospectus supplement if you request it by contacting at (440)-930-1000 or by contacting Investor Contacts

Investor Relations Contact: Eric R. Swanson, Director, Investor Relations, PolyOne Corporation, +1 440-930-1018, eric.swanson@avient.com; Media Contact: Kyle G. Investor Contacts

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. Investor Contacts

Investor Relations Contact: Joe Di Salvo, Vice President, Investor Relations, PolyOne Corporation, +1 440-930-1921, giuseppe.disalvo@avient.com; Media Contact: Kyle G. Investor Contacts

Investor Relations Contact: Media Contact: Media Relations Contacts

If you have trouble finding the terms and conditions you need, contact us — we will get you the information you need to make an informed decision. Global Food Contact Legislation Global food contact legislation for Avient

Investor Relations Contact: Media Contact: Media Relations Contacts

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If Buyer resells the Products, Buyer agrees to the Terms and Conditions Regarding Buyer Resale of Avient Products located at www.avient.com/terms.