PolyOne Corporation PolyOne Corporation PolyOne Corporation

LESLIE SEQUEIRA Chief Information Officer Leslie Sequeira is chief information officer for Avient Corporation, a premier provider of specialized and sustainable material solutions and services. Avient Corporation • 33587 Walker Road • Avon Lake, Ohio 44012 • 440.930.1000 • www.avient.com

CLEVELAND – October 5, 2023 – Dyneema®, owned by Avient Corporation, a leading provider of specialty and sustainable material solutions, today announced the launch of a next-generation unidirectional (UD) material innovation based on its third-generation fiber: a groundbreaking development poised to enhance the safety and mobility of law enforcement officers and military forces. Media contact Crandall Turner Avient Corporation crandall.turner@avient.com Company Officers

These TPE grades, formulated for consumer applications, can be used in personal care products, lawn and garden tools, outdoor goods, office supplies, footwear, and houseware durables. Michelle Maniscalco Senior Manager, Marketing Communications Avient Corporation +1 440-930-1988 michelle.maniscalco@avient.com Company Officers

PolyOne Corporation at Jefferies Group, Inc. PolyOne Corporation Investor Day Avient Company Officers

Vinod Purayath Senior Vice President and Chief Technology Officer Dr. Vinod Purayath is Senior Vice President and Chief Technology Officer of Avient Corporation, a premier provider of specialized and sustainable material solutions and services. Avient Corporation • 33587 Walker Road • Avon Lake, Ohio 44012 • 440.930.1000 • www.avient.com http://www.avient.com/

PolyOne Corporation, with 2018 revenues of $3.5 billion, is a premier provider of specialized polymer materials, services and solutions. Michelle Maniscalco Senior Manager, Marketing Communications PolyOne Corporation +1 440-930-1988 michelle.maniscalco@avient.com Company Officers

PolyOne Corporation (NYSE: POL), with 2019 revenues of $2.9 billion, is a premier provider of specialized polymer materials, services and solutions. Michelle Maniscalco Senior Manager, Marketing Communications PolyOne Corporation +1 440-930-1988 michelle.maniscalco@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

About Avient Avient Corporation (NYSE: AVNT), with 2020 pro forma revenues of $3.8 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