NYSE: POL), a leading global provider of specialized polymer materials, services and solutions, today announced that its Board of Directors has elected in 2008 as senior vice president and chief financial officer, where he was responsible for global treasury, planning, M&A, accounting, internal audit functions, and investor relations. news library online, please visit www.avient.com/news

Shark Solutions® is a cleantech global leader in advanced sustainable PVB products and has been recognized as one of 50 Global Leaders. About Avient To access Avient’s news library online, please visit www.avient.com/news.

Global Chemical Management Policy AVIENT CORPORATION AND SUBSIDIARIES At Avient, we strive to conduct our business activities in a manner that is protective of health and the environment, while using a scientific and risk-based approach to chemical management. This is accomplished by: • Adhering to applicable global safety, health and environmental laws, regulations, and standards Conducting responsible trade activities that comply with global laws, regulations, treaties, trade agreements and legal sanctions.

Certificate of Amendment Loi canadienne sur les sociétés par actionsCanada Business Corporations Act Certificat de modification Avient Colorants Canada Inc. 942266-8 Corporate name / Dénomination sociale Corporation number / Numéro de société Raymond Edwards Date of amendment (YYYY-MM-DD) Date de modification (AAAA-MM-JJ) Director / Directeur 2021-01-15 I HEREBY CERTIFY that the articles of the above-named corporation are amended under section 178 of the Canada Business Corporations Act as set out in the attached articles of amendment. Corporation number Numéro de la société 2 942266-8 The articles are amended as follows Les statuts sont modifiés de la façon suivante 3 The corporation changes its name to: La dénomination sociale est modifiée pour : Avient Colorants Canada Inc.

Operating Globally, Serving Locally — As a truly global company, we have operations and technical expertise around the world to efficiently serve our customers…wherever they may need us. WHY AVIENT WINS 7 Deep Customer Relationships & Application Know-How Superior Design Capabilities & Advanced Analytics Global Footprint Strategically Aligned to Serve Customers We iterate fast and often. 37 24 10 36 • U.S. and Canada • Latin America • Europe, Middle East & Africa • Asia We produce locally, serve globally. Whether it’s an ambitious start-up bringing a new product to market, or a large, multi- national OEM looking for consistency and reliability of global supply, Avient is built for long-term partnerships.

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Browse and download our literature to learn more about Avient solutions and services. See our extensive library of resources about our growing company.

ISO 10993 Global Locations for Specialty Engineered Materials Avient’s application development and technical service (ADTS) capabilities include:

reporting, as well as oversight of the integrity of global accounting systems, corporate and manufacturing accounting, and consolidation of global financial results.  He joined the company in 2010 and has since advanced through progressively increasing roles of global responsibility, including external reporting manager; assistant corporate controller; finance director for Color, Additives and Inks; and finance director for news library online, please visit www.avient.com/news

Avient has transitioned our Material Safety Data Sheets (MSDSs) to Safety Data Sheets (SDSs) for our manufactured products to meet the requirements of the Globally Harmonized System of Classification and Labeling of Chemicals (GHS), and CLP classification in Europe. HAZEL DOOR, ISO-FIX COVER Certificate of Analysis (COA) - labeled as "Material"