Avient's Avient Global Reporting Initiative (GRI) and Sustainability Accounting Standards Board

I am very happy that Avient is a safe environment that values its LGBT+ talents. Connect LGBTQ associates and supporters to advance Avient’s diversity and inclusion vision Promote Avient externally as an inclusive company

Van Hulle Senior Vice President, President of Global Color Additives and Inks Robert M. Kedrowski Executive Vice President Global Operations and Process Improvement Lisa K. McAlindon Senior Vice President, President of Designed Structures and Solutions Fernando Sanchez Global Director of Marketing Global Color and Additives Craig M.

Avient’s GLS™ TPEs for automotive HVAC seals are engineered to improve vehicle interior air quality (VIAQ), and have been shown to help achieve global OEM requirements when externally tested against industry standards. www.avient.com Copyright © 2020, Avient Corporation. www.avient.com Copyright © 2020, Avient Corporation.

To access PolyOne’s news library online, please visit www.avient.com/news Avient Announces First Quarter 2025 Results... Avient To Hold First Quarter 2025 Conference Call...

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Forge new trails with Avient’s advanced polymer solutions, colors, and design help. Forge new trails with Avient’s advanced polymer solutions, colors, and design help. Our pre-colored formations streamline production and improve global consistency

As healthy drinking and eating trends continue to grow globally, consumers are turning to Ready-To-Drink (RTD) teas and juices for healthy refreshment and nutrients. Discover how Avient’s ColorMatrix Amosorb oxygen scavengers and Ultimate UV™ light barrier can protect coconut water from oxygen and light-induced degradation

end life” New designs for energy and carbon efficiency New applications for used and recycled plastics Page 31 Therma-Tech™ LED Lighting • Replaces metal in LED lighting • Extends LED durability and life span eliminating hot spots • Greater design flexibility with • Greater design flexibility with fewer parts • Weight reduction • Simplifies manufacturing and lowers total production cost Page 32 Decreasing Decreasing Dependence on Dependence on Fossil FuelsFossil Fuels Globalizing and Globalizing and LocalizingLocalizing Protecting the Protecting the EnvironmentEnvironment Protecting the Protecting the EnvironmentEnvironment Improving Improving Health and Health and WellnessWellness Improving Improving Health and Health and WellnessWellness Alignment with Megatrends • Aging population • Longer life expectancy • Healthy living • Aging in place • Aging population • Longer life expectancy • Healthy living • Aging in place • Environmental consciousness • Alternative energy • Resource efficiency • Biotechnology • Environmental consciousness • Alternative energy • Resource efficiency • Biotechnology • Global leader/local expert with customized solutions • Global OEMs seeking one standard of service everywhere • Global leader/local expert with customized solutions • Global OEMs seeking one standard of service everywhere • Efficiency focus • Reduced size/weight • Mass transit • Alternative materials • Electric vehicles • Efficiency focus • Reduced size/weight • Mass transit • Alternative materials • Electric vehicles Page 33 48.7% $40.5 26.3% Research & Development Spending Specialty Platform Vitality Index Progression* Innovation Drives Earnings Growth Specialty Platform Gross Margin % * Percentage of Specialty platform revenue from products introduced in last five years 19.5% 2006 2011PF $20.3 2006 2011PF 14.3% 2006 2011PF ($ millions) Page 34 StrategyStrategy PolyOne Innovation Framework Unmet Needs Identification Idea Generation and Shaping Offering Offering Offering Offering Phased Offering Launch Offering Offering LaunchLaunch Offering Offering DevelopmentDevelopment Market Penetration and Value Maximization Intellectual Property ● Resources ● CultureIntellectual Property ● Resources ● Culture Page 35 • Accelerate growth in targeted industries and expand geographic presence through market-driven innovations • Leverage new talent, tools, and training to drive customer satisfaction and margin expansion Critical Imperatives satisfaction and margin expansion • Translate best practices to / from ColorMatrix • Drive specialization using a value-based mindset Page 36 Page 37

GLOBAL ELECTRICAL/ELECTRONICS PRODUCER DIFFERENTIATES ITSELF WITH NEW PRODUCTS FEATURING NON-HALOGENATED FLAME- RETARDANT SEALS MOLDED FROM THERMOPLASTIC ELASTOMERS © 2021, All Rights Reserved Avient Corporation, 33587 Walker Road, Avon Lake, Ohio USA 44012 To learn more about OnFlex™ S HF, contact Avient at +1.844.4AVIENT (1.844.428.4368) or visit us at avient.com. This division’s global manufacturing parent company leads the market in eco-friendly products and innovative approaches to energy savings.