PROXY SUMMARY 4 PROXY STATEMENT 2022 | Annual Meeting of Shareholders OUR COMPANY CULTURE Avient Corporation was originally established as PolyOne Corporation in 2000. In July 2020, following our transformational acquisition of Clariant Color, we branded the collective enterprise as Avient Corporation—a new name, for a new kind of materials company. EY has been retained as the independent registered public accounting firm for Avient and its predecessor companies, PolyOne Corporation and The Geon Company, continuously since 1993.

Please contact your Avient account manager for more information. Open Gate The gate in this type of hot runner stays open for the flow of plastic under pressure. Avient makes no warranties or guarantees respecting suitability of either Avient’s products or the information for your process or end-use application.

Avient Design Sync design with manufacturability: Learn about how Avient Design can help simplify your new product development process Sync design with manufacturability: Learn about how Avient Design can help simplify your new product development process

Designing new phone case models? In this eBook, we highlight design trends, materials, and processing – insights to help you create new models which sparkle with a winning combination of structural performance and aesthetic pleasure.

EMBRACE, formed in 2021, has been hard at work to enhance racially diverse talent at Avient. We are building on this by sharing the unique cultures of our associates through Culture Corner articles and our new diverse associates now enjoy the support provided by their EMRACE ambassador. We look forward to expanding our racial representation by recruiting more diverse talent to Avient and ensuring our associates of different heritage feel understood, accepted and valued.

At Avient, we improve lives all over the world by solving complex material science challenges. We nurture a can-do culture at Avient. Each challenge we overcome and each new person that joins our team makes us stronger; better.

CASE STUDY: MAXXAM™ POLYOLEFIN FORMULATIONS NEW MATERIAL FOR PRECISELY ENGINEERED VEHICLE Challe nge Accepted. THE SOLUTION With its global footprint, Avient was able to work with DENSO both in initial trials in Japan as well as locally at a manufacturing facility in Europe. Avient engineered a new customized formulation for the part, which provided both the processability required for extremely short cycle injection-compression molding, as well as including an additive to stabilize the material when in contact with copper.

NORTH AMERICA (Goods manufactured by Avient): Use the search boxes on the current page to use the online search for SDS for products manufactured by Avient. INDIA TAN NORTH AMERICA (Goods manufactured by Avient): Use the search boxes on the current page to use the online search for SDS for products manufactured by Avient.

NORTH AMERICA (Goods manufactured by Avient): Use the search boxes on the current page to use the online search for SDS for products manufactured by Avient. MC-41150PE GOLD (TRANS INDIA) NORTH AMERICA (Goods manufactured by Avient): Use the search boxes on the current page to use the online search for SDS for products manufactured by Avient.

Attitude of the Avient Group and level of risk the Avient Group accepts in relation to UK taxation The Avient Group does not engage in artificial tax arrangements. Approach with Her Majesty’s Revenue and Customs (“HMRC”) The Avient Group is committed to: • promoting a professional, collaborative, open, and transparent relationship with HMRC • discussing business activities and transactions with significant tax implications with HMRC in a timely fashion • engaging in timely dialogue with HMRC to respond to queries and information requests to ensure that HMRC is aware of how issues are progressing • working proactively with HMRC to resolve all tax disputes, and • making appropriate disclosures in tax returns, reports, and correspondence submitted to HMRC. Further information The Avient Group’s publication of its UK tax strategy is applicable to all members of the Avient Group.