Continuous Fiber Composite Tape, Laminates and Barstock Using Polystrand materials extended the life of truck trailers and reduced weight to improve fuel economy. The solution increased loading per square foot and provided a moisture and debris barrier, and because they are thermoplastic, these CFRTP materials can be more easily recycled compared to alternative materials.

Continuous Fiber Composite Tape, Laminates and Barstock Using Polystrand materials extended the life of truck trailers and reduced weight to improve fuel economy. The solution increased loading per square foot and provided a moisture and debris barrier, and because they are thermoplastic, these CFRTP materials can be more easily recycled compared to alternative materials.

Continuous Fiber Composite Tape, Laminates and Barstock Using Polystrand materials extended the life of truck trailers and reduced weight to improve fuel economy. The solution increased loading per square foot and provided a moisture and debris barrier, and because they are thermoplastic, these CFRTP materials can be more easily recycled compared to alternative materials.

SPECIALTY ENGINEERED MATERIALS ASIA PORTFOLIO BUYING POWER DEMOGRAPHIC SUSTAINABILITY URBANIZATION HEALTHCARE Healthcare Packaging Appliance Electronics & Electrical Transportation Building & Construction Consumer We know that you face challenging applications every day. Processing conditions can cause material properties to shift from the values stated in the information. To learn more about Specialty Engineered Materials, contact Avient at +86 (0) 21 6028 4888 www.avient.com

They are based on management’s expectations that involve a number of business risks and uncertainties, any of which could cause actual results to differ materially from those expressed in or implied by the forward-looking statements. Pro Forma Financial Information The Company acquired Avient Protective Materials (“Dyneema”) on September 1, 2022 (the “Acquisition Date”) and sold the Distribution segment on November 1, 2022. ASHISH KHANDPUR PRESIDENT & CEO 7 8 PORTFOLIO TRANSFORMATION 8 7% 46% 66% 87% 100% 0% 20% 40% 60% 80% 100% 2005 2010 2015 2020 2023 % o f A dj us te d EB IT D A Commodity JVs Distribution Performance Products & Solutions Specialty Businesses Adjusted EBITDA from Specialty Applications SUSTAINABILITY AS A GROWTH DRIVER 9 LONG-TERM REVENUE GROWTH DRIVERS Sustainable Solutions Composites, Healthcare, Asia / LATAM Overlap Other 60%+ Key Growth Drivers Total Company Revenue Growth Drivers Long-Term Growth Rate Sustainable Solutions 8–12% Composites 8–10% Healthcare 8–10% Asia / LATAM 5% Other 0–2% Avient 6% END MARKET OBSERVATIONS (% OF COMPANY SALES) ENERGY 5% DEFENSE 7% TELECOMMUNICATIONS 4% HEALTHCARE 7% 10 TRANSPORTATION 10% INDUSTRIAL 16% BUILDING & CONSTRUCTION 9% CONSUMER 19% PACKAGING 23% 11 REGIONAL OBSERVATIONS (% OF COMPANY SALES) 11 US & Canada Latin America EMEA Asia 41% 36% 18% 5% Q 4 2023 RE S U LT S Q4 2023 PERFORMANCE VS.