Find Inspiration in New PolyOne Online Films Design Center PolyOne Develops High-Performing Plasticizer Alternative for Flexible PVC PolyOne Reimagines Packaging from Soft-Touch to Sustainability with TPEs

PolyOne at ITMA 2016: Meeting Stringent Environmental Regulations with Advanced Fiber Coloring Solutions PolyOne Improves Vehicle Interior Air Quality with OnFlex™ LO TPEs New LubriOne Formulations from PolyOne Improve Processability and Performance

CLEVELAND, July 1, 2020 /PRNewswire/ -- PolyOne Corporation (NYSE: POL), a leading global provider of specialized polymer materials, services a July 1, 2020 PolyOne Corporation Announces Quarterly Dividend

About PolyOne PolyOne Corporation, with 2015 revenues of $3.4 billion, is a premier provider of specialized polymer materials, services and solutions. To access PolyOne’s news library online, please go to www.avient.com/news Media contact Michelle Maniscalco Marketing Communications Manager, North America PolyOne Corporation +1 440-930-1988 michelle.maniscalco@avient.com

Microsoft Word - Terms and Conditions regarding Resale of PolyOne Products 10212011 Final.doc Terms and Conditions regarding Buyer Resale of PolyOne Products The following provisions, in addition to PolyOne’s Terms and Conditions available at www.avient.com/terms (“PolyOne Terms & Conditions”), shall apply to the respective purchase. No other terms and conditions whatsoever shall have any effect unless subsequently agreed to in a document signed by both parties. 1. At no time shall Buyer serve as an agent of PolyOne, and Buyer has no authorization to enter into any contract or commitment in the name of or on the behalf of PolyOne nor to incur any expense to or on behalf of PolyOne’s account.

PolyOne Swanson, Director, Investor Relations, PolyOne Corporation, +1 440-930-1018, eric.swanson@avient.com, Media: Kyle G. Rose, Vice President, Corporate Communications, PolyOne Corporation, +1 440-930-3162, kyle.rose@avient.com

About PolyOne To access PolyOne’s news library online, please go to www.avient.com/news Michelle Maniscalco Senior Manager, Marketing Communications PolyOne Corporation +1 440-930-1988 michelle.maniscalco@avient.com

PolyOne Announces Increase in Quarterly Dividend PolyOne To Hold Third Quarter 2016 Conference Call PolyOne Appoints James N.

PolyOne Names Dr. PolyOne To Hold First Quarter 2018 Conference Call PolyOne Board Elects Robert Abernathy as Director

PolyOne Introduces High Lubricity PEEK Solutions PolyOne Announces Plans For New Innovation Center In Asia PolyOne Receives Award of Excellence from QSR and Qure Medical