APPLICATIONS Cesa Fiber Additives for flame retardancy are recommended for spun-dyed PP, PET and PA fibers used in applications such as automotive textiles, home and office furnishings, clothing, and carpeting. KEY BENEFITS • Very good compatibility and dispersibility • Durable fire resistance with limited to no impact on color • Fire resistance and spinnability tested for efficacy in our labs • Can be combined with colors and with other additives (e.g., light stabilizers) into a single product for convenience PRODUCT BULLETIN Copyright © 2022, Avient Corporation.

No officer, employee, or agent of the Company may authorize, direct, or condone any conduct inconsistent with this Antitrust Policy or the antitrust laws. The Clayton Act prohibits: • Some tying arrangements, exclusive dealing and requirements contracts • Some mergers and acquisitions among competing firms which would unlawfully harm competition • An individual serving as a director or officer of competing corporations 3. An independent company receives all website and phone reports received by the Ethics Hotline and reports the information to the Corporate Ethics Officer.

NEWS RELEASE FOR IMMEDIATE RELEASE Avient Announces Registration Details for 2023 Sustainability Day CLEVELAND – August 28, 2023 – Avient Corporation (NYSE: AVNT), a leading provider of specialized and sustainable material solutions, has announced registration details for a virtual Sustainability Day for investment professionals on Wednesday, September 20, 2023, from 9 a.m. – 11 a.m. Beggs, Senior Vice President and Chief Financial Officer, Avient Corporation. A recording of the webcast and the slide presentation will be available at avient.com/investors/events-presentations shortly after the live webcast. http://www.avient.com/investors https://sustainabilityday2023.avient.com/ http://www.avient.com/investors https://register.vevent.com/register/BI0b9400e410674b9d9dc80471579b64b9 https://www.avient.com/investors/events-presentations About Avient Avient Corporation (NYSE: AVNT) provides specialized and sustainable material solutions that transform customer challenges into opportunities, bringing new products to life for a better world.

KEY CHARACTERISTICS • Derived from end-of-life tires • Available for multiple resins and custom solutions • Retains performance characteristics of traditional carbon black in plastics • Enhances sustainable product offerings • Provides long-term price stability • Passes REACH and RoHS requirements • Prop 65 letters available MARKET AND APPLICATIONS OnColor RC Environmental Black is a sustainable solution across a wide variety of industries and applications, including: • Automotive • Wire and cable • Building and construction • Appliances • Electrical and electronics • Industrial molding applications • Office furniture Avient OnColor RC Environmental Black is offered for multiple resins and also for custom solutions: CC10289240WE OnColor RC Environmental Black PE CC10284887WE OnColor RC Environmental Black TPU CC10287020WE OnColor RC Environmental Black PC CC10287026WE OnColor RC Environmental Black PS CC10287028WE OnColor RC Environmental Black PP CC10287033WE OnColor RC Environmental Black ABS www.avient.com Copyright © 2020, Avient Corporation.

KEY CHARACTERISTICS • Derived from recycled content including end-of-life tires • Available for multiple resins and custom solutions • Retains performance characteristics of traditional carbon black in plastics • Passes REACH and RoHS requirements • Prop 65 letters available • Certified by TÜV Rheinland • PCF calculation available on request MARKET AND APPLICATIONS OnColor REC Polymer Colorants are sustainable solutions across a wide variety of industries and applications, including: • Automotive • Wire and cable • Building and construction • Appliances • Electrical and electronics • Industrial molding applications • Office furniture 1.844.4AVIENT www.avient.com Copyright © 2024, Avient Corporation.

Company Officers Avient Corporation Privacy Statement

Company Officers Avient Corporation Privacy Statement

PolyOne Corporation, with 2013 revenues of $3.8 billion, is a premier provider of specialized polymer materials, services and solutions. Company Officers

PolyOne Corporation, with 2013 revenues of $3.8 billion, is a premier provider of specialized polymer materials, services and solutions. 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. Avient currently does not engage in verification of its supply chains to evaluate and address risks of human trafficking and slavery, nor does it currently conduct audits of its suppliers’ compliance with company standards for trafficking and slavery in supply chains. 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.