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

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

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. 

Our purpose at Avient Corporation is to be an innovator of materials solutions to help our customers succeed, while enabling a sustainable world. Avient Company Officers

The event will include a presentation by president and chief executive officer Robert M. Media Contact: Kyle Rose Vice President, Corporate Communications PolyOne Corporation +1 440-930-3162 kyle.rose@avient.com Company Officers

Our new reSound REC AF 7210 TPE series responds to this trend and addresses upcoming regulatory changes in export markets, such as the European Union, where a newly proposed ELV directive requires high recycle contents for plastic components. Media Contact Jennifer Huang Avient Corporation jennifer.huang@avient.com   Company Officers

Avient Corporation provides specialized and sustainable material solutions that transform customer challenges into opportunities, bringing new products to life for a better world. Media contact Jennifer Huang  Senior Manager, Marketing Communications Asia  Avient Corporation   +86 21 60284888  jennifer.huang@avient.com Company Officers

Avient Corporation provides specialized and sustainable material 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

At Avient, our colorants and additives are developed to address material challenges at every stage of the development process, said Esperanza Laserna, General Sales Manager, LATAM Color, Additives, and Inks, at Avient. Media Contact Nicole DeChant Avient Corporation nicole.dechant@avient.com Company Officers

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.