Q3 2011 Polyone Corporation Earnings Conference Call Q2 2011 PolyOne Corporation Earnings Conference Call Avient Company Officers

BEGGS Senior Vice President and Chief Financial Officer Jamie A. Beggs is senior vice president and chief financial officer of Avient Corporation, a premier provider of specialized and sustainable material solutions and services. Prior to Hunt, she worked for Celanese Corporation, where she served in a variety of finance and business positions, including vice president and corporate treasurer, and earlier as chief financial officer of the materials solutions business.

Our purpose at Avient Corporation (NYSE: AVNT) is to be an innovator of materials solutions that help our customers succeed, while enabling a sustainable world. Media Contact Crandall Turner Avient Corporation crandall.turner@avient.com   Company Officers

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For manufacturers specialized in respiratory care and anesthesiology equipment, addressing challenges for efficacy and durability are key drivers of product developments and improvements.  Office Supplies Home & Office

What this ultimately means for components are higher operating temperatures in smaller footprints, a challenge that can be hard to address with traditional plastics. Office Supplies Home & Office

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

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

BEGGS Senior Vice President and Chief Financial Officer Jamie A. Beggs is Senior Vice President and Chief Financial Officer at Avient Corporation, an innovator of materials solutions that help customers succeed while enabling a sustainable world. Prior to Hunt, she worked for Celanese Corporation, where she served in a variety of finance and business positions, including Vice President and Corporate Treasurer, and earlier as Chief Financial Officer of the materials solutions business.

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