Using GlasArmor panels, Ballisti-Wall® and Ballisti- Cover® solutions enable utility companies to add a superior level of protection to critical components and meet FERC security requirements within a modular, adaptable construction. 1 https://www.nbcnews.com/news/us-news/three-substations- attacked-washington-state-rcna63214 2 https://www.ferc.gov/sites/default/files/2020-04/E-4_10.pdf © 2023, All Rights Reserved Avient Corporation, 33587 Walker Road, Avon Lake, Ohio USA 44012 To learn more about Avient’s advanced composite solutions, visit www.avient.com/composites. https://www.nbcnews.com/news/us-news/three-substations-attacked-washington-state-rcna63214 https://www.nbcnews.com/news/us-news/three-substations-attacked-washington-state-rcna63214 https://www.ferc.gov/sites/default/files/2020-04/E-4_10.pdf http://www.avient.com/composites

• Custom sizes, profiles, tooling design, and prototyping available for specific applications • Hollow profiles USES & APPLICATIONS • Hybrid body in white components • Structural mounting • Stress contoured leaf (elliptical, semi-elliptical, and cantilever) suspension springs For more information on our composite solutions for the automotive industry, please visit www.avient.com/composites or call 1-844-4AVIENT. http://www.avient.com/composites Copyright © 2023, Avient Corporation. This literature shall NOT operate as permission, recommendation, or inducement to practice any patented invention without permission of the patent owner. 1.844.4AVIENT www.avient.com

www.avient.com Copyright © 2020, Avient Corporation. www.avient.com Copyright © 2020, Avient Corporation.

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Call 1.844.4AVIENT (1.844.428.4368) or visit www.avient.com. www.avient.com Copyright © 2021, Avient Corporation.

Based on the current funded status of the plan, our pension asset investment allocation guidelines are to invest 70% to 85% in equity securities, 10% to 20% in fixed income securities, and 0% to 10% in alternative investments. SHAREHOLDER INQUIRIES If you have any questions concerning your account as a shareholder, name or address changes, inquiries regarding stock certificates, or if you need tax information regarding your account, please contact our transfer agent: Computershare Trust Company, N.A. FINANCIAL INFORMATION Security analysts and representatives of financial institutions are invited to contact: Cynthia D.

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TPEE AND TPU FILM MANUFACTURER H O T M E L T A D H E S I V E F I L M • Anti-phenol yellowing after storage • Keep natural color of product • No impact on melt flow ability • Prevented the appearance quality from yellowing after storage • Had no negative impact on the product’s mechanical properties • Extended the shelf life and durability of the product CesaTM Anti-phenolic Yellowing Additive KEY REQUIREMENTS WHY AVIENT AVIENT SOLUTION FUNCTIONALITY + CONVENIENCE LEARN MORE Avient Corporation 1 https://www.avient.com/products/polymer-additives Slide 1: TPEE and TPU Film MANUFACTURER