CLEVELAND – February 8, 2022 – Avient Corporation (NYSE: AVNT), a leading provider of specialized and sustainable material solutions, today reported its fourth quarter and full year results for 2021. https://www.avient.com/investors https://edge.media-server.com/mmc/p/k7okojz2 https://edge.media-server.com/mmc/p/k7okojz2 https://www.avient.com/investors 4 About Avient Avient Corporation (NYSE: AVNT), with 2021 revenues of $4.8 billion, provides specialized and sustainable material solutions that transform customer challenges into opportunities, bringing new products to life for a better world. Examples include: • Unique technologies that improve the recyclability of products and enable recycled content to be incorporated, thus advancing a more circular economy • Light-weighting solutions that replace heavier traditional materials like metal, glass and wood, which can improve fuel efficiency in all modes of transportation and reduce carbon footprint • Sustainable infrastructure solutions that increase energy efficiency, renewable energy, natural resource conservation and fiber optic / 5G network accessibility Avient employs approximately 8,700 associates and is certified ACC Responsible Care®, a founding member of the Alliance to End Plastic Waste and certified Great Place to Work®.

KRISTEN GAJEWSKI Chief Human Resources Officer Kristen Gajewski is Senior Vice President, Chief Human Resources Officer at Avient Corporation, an innovator of materials solutions that help customers succeed while enabling a sustainable world. Gajewski joined Avient in July 2013 from AkzoNobel/PPG and has since taken on multiple roles with increasing responsibility within the Human Resources function, including HR Director for Avient’s Color, Additives & Inks business segment, and an international assignment with responsibility for the EMEA and India regions. Avient Corporation • 33587 Walker Road • Avon Lake, Ohio 44012 • 440.930.1000 • www.avient.com

ROSE Vice President, Corporate Communications Kyle Rose is Vice President, Corporate Communications at Avient Corporation, an innovator of materials solutions that help customers succeed while enabling a sustainable world. Rose joined Avient in 2011 and has led communications aspects and initiatives during the company’s specialty portfolio and cultural transformation. Before his tenure at Avient, Mr.

Polymer additives from Avient are a great tool to help. Browse and download our literature to learn more about Avient solutions and services. Browse and download our literature to learn more about Avient solutions and services.

The Glasforms business unit formulated a carbon-fiber-reinforced composite material for the C7 Corvette Z06 and non-Z06 underbody braces. Initially, the Avient team evaluated several composite types and identified a solution with optimal performance. Avient Announces Quarterly Dividend...

is a premier provider of specialized polymer materials, services and sustainable solutions. Light-weighting solutions that replace heavier traditional materials like metal, glass and wood, which can improve fuel efficiency in all modes of transportation    Specialty Engineered Materials

Companies seeking to grow their business with safe and environmentally sound solutions turn to Avient. An eco-conscious and improved material solution alternative to lead            Protective Materials

Avient Resources Avient Resources Colorant Chromatics™ Conductive Formulations provided tailored solutions for specific conductivity requirements

Avient Resources Avient Resources Colorant Chromatics™ Conductive Formulations provided tailored solutions for specific conductivity requirements

Avient Resources Avient Resources Colorant Chromatics™ Conductive Formulations provided tailored solutions for specific conductivity requirements