The presentation will be posted on PolyOne’s Investor Relations home page at www.avient.com/investor About PolyOne To access PolyOne’s news library online, please visit www.avient.com/news

Homepage // News Center // PolyOne To Present at the Credit Suisse Basic Materials Conference About PolyOne To access PolyOne’s news library online, please visit www.avient.com/news

Homepage // News Center // PolyOne To Present at the Credit Suisse Boston Basic Materials Conference About PolyOne To access PolyOne’s news library online, please visit www.avient.com/news

Homepage // News Center // PolyOne OnColor™ Naturals Launched at PCD Paris Caption: PolyOne OnColor™ Naturals Range About PolyOne

Registered Drug Master File (DMF) / Device Master File (MAF) Product Type

OnColor™ SC Super Concentrate Technologies Optimize Color Usage and Expand Sustainability PRODUCT DESCRIPTION OnColor™ SC Super Concentrate color technologies feature substantially greater active pigment loadings than traditionally designed color masterbatches. These technologies enable lower colorant use rates while achieving the same quality as higher let down ratios and traditional masterbatches. Increase Sustainability Using More Recycled Content OnColor SC Super Concentrates give you the flexibility to incorporate higher levels of post- consumer regrind (PCR) than with traditional color masterbatches to help meet sustainability initiatives and recycled content requirements without adversely affecting the performance or aesthetic of your designs.

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Homepage // News Center // PolyOne Receives Innovation Awards for Pioneering Metal Replacement Projects About PolyOne To access PolyOne’s news library online, please go to www.avient.com/news

About PolyOne Director, Investor Relations PolyOne Corporation Vice President, Corporate Communications PolyOne Corporation

Van Hulle, president, Color, Additives and Inks, PolyOne Corporation. About PolyOne To access PolyOne’s news library online, please go to www.avient.com/news.