Avient Corporation Chairman, President and Chief Executive Officer, Avient Corporation

With these solutions, we help customers succeed in addressing secular trends like housing shortages, increased power generation and distribution needs, move to sustainability solutions, and personalized self-administered health care solutions. Company Officers Avient Corporation Privacy Statement

Governance and Corporate Responsibility Charter Proposed Revisions March 2025 Final and Approved.pdf AVIENT CORPORATION GOVERNANCE AND CORPORATE RESPONSIBILITY COMMITTEE CHARTER Membership The Governance and Corporate Responsibility Committee (the “Committee”) of the Board of Directors (the “Board”) of Avient Corporation (the “Company”) will consist entirely of directors who meet the definition of “independent” as set forth in the Corporate Governance Standards of the New York Stock Exchange. Corporate Governance. The Committee may appoint subcommittees from time to time as needed and may delegate authority to such subcommittees or to officers of the Company, when appropriate, consistent with applicable laws, regulations, and listing standards.

Avient Corporation provides specialized and sustainable materials solutions that transform customer challenges into opportunities, bringing new products to life for a better world. Media Contact Nicole DeChant Avient Corporation nicole.dechant@avient.com   Company Officers

New Colorant Chromatics™ Metallic Effect Pre-Colored Sulfone Formulations Launched by Avient Corporation at Fakuma 2024 Media Contact Nicole DeChant Avient Corporation nicole.dechant@avient.com Company Officers

To address this issue, part of the ELV Directive stipulates that a minimum of 25% of the plastics used in vehicles sold in 2030 must be sourced from post-consumer recycled (PCR) materials. Media Contact Nicole DeChant Avient Corporation nicole.dechant@avient.com Company Officers

ColorMatrix Europe Limited is a wholly owned indirect subsidiary of Avient Corporation, a U.S. publicly-traded corporation listed on the New York Stock Exchange with global headquarters in Avon Lake, Ohio, United States. The Corporate Ethics Officer reviews all calls to the hotline. Our procurement and compliance teams will continue to focus on identifying and addressing any potential risks in our supply chain and the business will continue to provide awareness and training to all of its employees. 

Avient Corporation Corporate Governance Guidelines The Board of Directors (the “Board”) of Avient Corporation (the “Company”) has adopted the following Corporate Governance Guidelines (the “Guidelines”). The office of Chairman of the Board may or may not be an officer position. March 6, 2024 Avient Corporation Corporate Governance Guidelines 1.

This design showcases our ability to collaborate with customers to address multiple challenges.” PolyOne Corporation, with 2012 revenues of $2.9 billion, is a premier provider of specialized polymer materials, services and solutions. Company Officers

Finnish Patent and Registration Office Trade Register FI-00091 PRH, FINLAND tel. +358 (0)29 509 5000 registry@prh.fi Page: 1 (2) Business ID: 2046676-4 Date and time of creating the document: 01.12.2020 08:37:55 TRANSLATION OF THE EXTRACT FROM THE TRADE REGISTER, ELECTRONIC 01.12.2020 08:37:54 the details in the register Identifiers Name Avient Finland Oy Business ID 2046676-4 Entered in the register 31.03.2007 Company type Limited company Contact details: Postal address Äyritie 8 E 01510 Vantaa Street address Äyritie 8 E 01510 Vantaa Email tina.ahlquist@clariant.com Telephone 0106808500 Fax 0106808509 Name details Name Avient Finland Oy Auxiliary company name Drycolor Registered office Vantaa Share capital Share capital 169.000,00 € Number of shares 1 000 pcs Nominal value of a share 169,00 € Financial period Financial period 01.01 - 31.12 Financial statements The last financial statements submitted 01.01.2019 - 31.12.2019 Representation Page: 2 (2) Business ID: 2046676-4 Statutory representation: Under the law, the Board of Directors represents the company. Representation based on position: By the Chair of the Board and the Managing Director, each on their own, and by any two Board members jointly Persons role surname, first name(s) / company name date of birth / identity code citizenship Chair of the Board of Merklein, Norbert 03.05.1964 Citizen of Germany Norén, Jenny Eva Kristina 18.06.1975 Citizen of Sweden Smeds, Jan-Håkan 22.03.1961 Citizen of Finland Vetter, Alexander Helmut 04.07.1968 Citizen of Germany Managing Director Norén, Jenny Eva Kristina 18.06.1975 Citizen of Sweden Auditor PricewaterhouseCoopers Oy 0486406-8 Auditor with principal responsibility Grönroos, Maria Alice 19.02.1967 Citizen of Finland Additional information No details about beneficial owners have been registered for the company Name history Avient Finland Oy 01.12.2020 - Clariant Plastics & Coatings (Finland) Oy 04.01.2016 - 01.12.2020 Clariant Masterbatches (Finland) Oy 31.03.2007 - 04.01.2016 Source of information: Finnish Patent and Registration Office