PolyOne Investor Presentation 3Q 2016 Morgan Stanley Global Chemicals and Agriculture Conference November 2016 POLYONE CORPORATION 2 Forward-Looking Statements  In this presentation, statements that are not reported financial results or other historical information are “forward-looking statements” within the meaning of the Private Securities Litigation Reform Act of 1995. You are advised to consult any further disclosures we make on related subjects in our reports on Form 10-Q, 8-K and 10-K that we provide to the Securities and Exchange Commission.

Investor Presentation - November 2016 PolyOne Investor Presentation 3Q 2016 RW Baird Global Industrial Conference November 2016 POLYONE CORPORATION 2 Forward-Looking Statements  In this presentation, statements that are not reported financial results or other historical information are “forward-looking statements” within the meaning of the Private Securities Litigation Reform Act of 1995. You are advised to consult any further disclosures we make on related subjects in our reports on Form 10-Q, 8-K and 10-K that we provide to the Securities and Exchange Commission.

P l O I t P t tiPolyOne Investor Presentation KeyBanc Capital Markets Basic Materials & Packaging Conference September 2016p PolyOne Corporation Page 1 Forward-Looking Statements  In this presentation, statements that are not reported financial results or other historical information are “forward-looking statements” within the meaning of the Private Securities Litigation Reform Act of 1995. You are advised to consult any further disclosures we make on related subjects in our reports on Form 10-Q, 8-K and 10-K that we provide to the Securities and Exchange Commission.

All Rights Reserved 2025 2 Disclaimer Forward-looking statements Certain statements contained in or incorporated by reference into this presentation constitute “forward-looking statements” within the meaning of the Private Securities Litigation Reform Act of 1995. You are advised to consult any further disclosures we make on related subjects in our reports on Form 10-Q, 8-K and 10-K that we provide to the Securities and Exchange Commission.

If Seller determines that Buyer’s financial responsibility or status has become impaired or otherwise unsatisfactory to Seller, Seller at its discretion may require advance cash payments, COD, shorter terms, and/or the posting of satisfactory security by Buyer, and may withhold shipments. Seller shall have the right to terminate an order confirmation with immediate effect if at any time prior to delivery, a person or group of persons who are unrelated to the persons controlling Buyer as of the date of the order confirmation, acquires control, through ownership of voting securities or otherwise, over Buyer.

If Seller, acting reasonably, determines that the financial responsibility of Buyer has become impaired or otherwise unsatisfactory to Seller, Seller may require advance payment or the posting of satisfactory security by Buyer, and may withhold shipments until Buyer makes such payments or posts such security; such nem sérült, hibás vagy alkalmazhatatlan-e.

Visit www.avient.com to learn more. 5 Forward-looking Statements In this press release, statements that are not reported financial results or other historical information are "forward-looking statements" within the meaning of the Private Securities Litigation Reform Act of 1995. You are advised to consult any further disclosures we make on related subjects in our reports on Form 10-Q, 8-K and 10-K that we provide to the Securities and Exchange Commission. 6 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.

If Seller determines that Buyer’s financial responsibility has become impaired or otherwise unsatisfactory to Seller, Seller at its discretion may require advance cash payments, COD, shorter terms, and/or the posting of satisfactory security by Buyer, and may withhold shipments. Seller shall have the right to terminate an order confirmation with immediate effect if at any time prior to delivery, a person or group of persons who are unrelated to the persons controlling Buyer as of the date of the order confirmation, acquires control, through ownership of voting securities or otherwise, over Buyer.

For more information, visit https://www.avient.com. 4 Forward-looking Statements In this press release, statements that are not reported financial results or other historical information are "forward-looking statements" within the meaning of the Private Securities Litigation Reform Act of 1995. You are advised to consult any further disclosures we make on related subjects in our reports on Form 10-Q, 8-K and 10-K that we provide to the Securities and Exchange Commission. 5 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.

Copyright © . 2024 2 Summary and financials Ashish Khandpur Introduction and strategic overview SEGMENT STRATEGY: Color, Additives & Inks SEGMENT STRATEGY: Specialty Engineered Q&AMike Mosley SPOTLIGHT: Building new platforms of scale in Advanced composites Copyright © . 2024 3 Disclaimer Forward-looking statements Certain statements contained in or incorporated by reference into this presentation constitute “forward-looking statements” within the meaning of the Private Securities Litigation Reform Act of 1995. You are advised to consult any further disclosures we make on related subjects in our reports on Form 10-Q, 8-K and 10-K that we provide to the Securities and Exchange Commission.