Avient Corporation provides specialized and sustainable materials 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

Avient Corporation provides specialized and sustainable materials 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

PolyOne Corporation, with 2013 revenues of $3.8 billion, is a premier provider of specialized polymer materials, services and solutions. Media contact Matt Defosse Marketing Communications Manager, Europe PolyOne Corporation +49 6407-907-0386 matt.defosse@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

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