CLEVELAND – May 25, 2022 – Avient Corporation, a premier provider of specialized and sustainable material solutions and services, today announced nine new reSound™ BIO thermoplastic elastomers (TPEs) formulated with bio-renewable content from plants. Media contact Nicole DeChant Avient Corporation nicole.dechant@avient.com +1 440.930.1309 Company Officers

Avient Corporation today announced the expansion of its bio-based polymer solutions for medical and pharmaceutical applications PARIS – May 18, 2022 – Avient Corporation, a premier provider of specialized and sustainable material solutions and services, today announced expansion of its line of bio-based Mevopur™ medical-grade polymer solutions. Company Officers

Avient Corporation (NYSE: AVNT), with expected 2021 revenues of $4.6 to $4.7 billion, provides specialized and sustainable material solutions that transform customer challenges into opportunities, bringing new products to life for a better world. Media contact Michelle Maniscalco Senior Manager, Marketing Communications Avient Corporation michelle.maniscalco@avient.com Company Officers

Peter Bredenkamp Senior Marketing Communications Specialist PolyOne Corporation +44 151-632-8800 peter.bredenkamp@avient.com Jennifer Huang Marketing Communications Manager, Asia PolyOne Corporation +86 21 50802923 jennifer.huang@avient.com Company Officers

Avient Corporation provides specialized and sustainable material solutions that transform customer challenges into opportunities, bringing new products to life for a better world. Media contact Nicole DeChant Avient Corporation nicole.dechant@avient.com Company Officers

Photo Copyright: 2017 PolyOne Corporation Michelle Maniscalco Senior Manager, Marketing Communications PolyOne Corporation +1 440-930-1988 michelle.maniscalco@avient.com   Company Officers

Avient Corporation was originally established as PolyOne Corporation in 2000 through the consolidation of two companies in the materials industry. Avient Corporation (NYSE: AVNT), with 2023 revenues of $3.1 billion, is a leading provider of specialized and sustainable materials solutions.

About PolyOne PolyOne Corporation, with 2015 revenues of $3.4 billion, is a premier provider of specialized polymer materials, services and solutions. Media contact  Michelle Maniscalco Senior Manager, Marketing Communications PolyOne Corporation +1 440-930-1988 michelle.maniscalco@avient.com  Company Officers

Check back often to stay up-to-date on the latest news from Avient Corporation. PolyOne Corporation Announces Quarterly Dividend... Avient Company Officers

CLEVELAND – June 11, 2018 – PolyOne Corporation (NYSE: POL) today unveiled the first-ever thermoplastic elastomer (TPE) material able to resist bl CLEVELAND – May 9, 2018 – PolyOne Corporation (NYSE: POL) today announced that its thermoplastic elastomer (TPE) materials for packaging are enabl Company Officers