Purchase price multiple rapidly declining on strength of business and synergy capture 7 $133 $201 2019PF 2022E 7 Clariant Color EBITDA Growth Purchase Price Multiple 10.8x 7.0x 6.4x 2019PF 2021 2022E w/ Full Synergies (1) (1) 11.9% 16.3% 2019PF 2022E EBITDA Margins (1) CLARIANT COLOR: TRANSFORMATIONAL ACQUISITION ($ in millions) (1) Financial information is pro forma to include a full year of Clariant Color business SUNBELT PVC Resins DSS 20 Acquisitions $4.8B Investment $2.7B of Annual Revenue 5 Divestments $2.3B Proceeds TPE PP&S HISTORI C SPECI AL IZATION THROUGH M& A 8 Distribution DSM Protective Materials BOLT-ON AC QUI SITI ON HISTORY 9 Commercial Resources Operating Income ($ in millions) Operating Margins 259 363 At Acquisition 2022E $40 $139 At Acquisition 2022E 9% 22% At Acquisition 2022E Established Acquisitions (> 7 years) + 40% + 248% + 1300 bps I N V E S T T O G R O W S P E C I A LT Y T R A N SF O R M ATI O N T O D A Y 7% 46% 67% 86% 100% 0% 20% 40% 60% 80% 100% 2005 2010 2019 2021 2022 PF % o f A d ju st e d E B IT D A • Commodity JVs • Distribution • Performance Products & Solutions • Specialty Businesses (1) Adjusted EBITDA is EBITDA excluding corporate costs and special items (2) Pro forma for the acquisition of Dyneema® and divestiture of Distribution (1 ) (2) 10 Healthcare 4% Packaging 8% Consumer 10% Building & Construction 43% Industrial 15% Transportation 14% Energy 4% Telecom. 2% 2006 2022 Pro Forma Healthcare 8% Packaging 23% Consumer 21% Building & Construction 10% Industrial 15% Transportation 9% Energy 4% Telecom. 4% Defense 6% END MAR KET F OCUS ON LESS CYCL IC AL I ND USTRI ES 11 14.8% 17.6% 21.0% 2018 2020 2022 PF 1.8% 2006 15.3% 16.2% 17.0% 2018PF 2020PF 2022E CAI 2.7% 2006 SEM SPEC IA LTY EBI TDA MA RGI N EX PANSION 12 • Portfolio transformation accelerates growth in less cyclical, higher margin end markets • Investments in our composites platform continue to drive margin expansion (1) (1) (1) 2018 and 2020 financial information is pro forma to include a full year of Clariant Color acquisition PORTFOLIO EVOLUTION OVER THE YEARS 13 Adj.

HOME | Contents | Message from the CEO | About Us | People | Products | Planet | Per formance | Metrics | IndexHOME | Contents | Message from the CEO | About Us | People | Products | Planet | Per formance | Metrics | Index Sustainability Report | 2023 40Sustainability Report | 2023 40 https://www.avient.com/company/sustainability/sustainable-solutions-portfolio https://www.avient.com/company/sustainability/sustainable-solutions-portfolio https://www.avient.com/company/sustainability/sustainability-report/products/how-our-products-enable-sustainability Service Innovation Enables Quality Recycle Post-Consumer Recycle (PCR) Color Predictive Tool Innovation Award, Winner: Plastics Industr y Association Product Technology Innovation, Winner: Plastics Recycling Awards Europe 2023 Product Innovation Enables PCR Claims + Low CO 2 reSound™ Ultra-Low Carbon Footprint TPE Innovation Award, Finalist: Plastics Industr y Association Rejoin™ 100% PCR Masterbatch Sustainable Packaging Innovation Finalist: U.S. HOME | Contents | Message from the CEO | About Us | People | Products | Planet | Per formance | Metrics | Index Sustainability Report | 2023 41 https://www.avient.com/resource-center/services/avient-color-prediction-service https://www.avient.com/products/thermoplastic-elastomers/resound-ultra-low-carbon-footprint-tpes https://www.avient.com/products/polymer-additives/antioxidant-additives/cesa-nox-a4r-additive-enhanced-recycling https://www.plasticsindustry.org/refocus-sustainability-innovation-awards-program/ https://www.prseventeurope.com/prse2024/en/page/2023-winners https://www.plasticsindustry.org/refocus-sustainability-innovation-awards-program/ https://usplasticspact.org/ https://www.plasticsindustry.org/refocus-sustainability-innovation-awards-program/ https://www.prseventeurope.com/prse2024/en/page/2023-winners RENEW Avient’s portfolio of RENEW solutions are designed to advance the circular economy. HIGHLIGHTS from 2023: Key Markets Key Customer Challenges • Preser ving key natural resources • Increasing healthcare regulations • Enabling connectivity & alternative energy • Increasing regulator y compliance Avient Solutions & Services • Specialty formulations, colorants and additives to meet medical device regulations • Specialty optical fibers for telecommunications • Advanced composite and fiber solutions for alternative energy infrastructure • Regulator y compliance expertise PRESERVE SUPPORTS SUSTAINABLE INFRASTRUCTURE Infrastructure Retrofit for Hydrogen Power Fiber-Line™ Engineered Fibers LEARN MORE Healthcare Energy Consumer NON-PTFE FORMULATIONS Non-Fluorinated Polymers LubriOne™ Internally Lubricated Formulations LEARN MORE UP TO 100% BIO-BASED CARRIER Medical Devices Mevopur™ Bio-Based Polymer Solutions LEARN MORE 75% Spin Dyed Textile Yarn Renol™ Spin Dying Colorants LEARN MORE LESS WATER UP TO 40% BIO-DERIVED Pharmaceutical Tubing Versaflex™ HC BIO BT218 TPE LEARN MORE ENABLE ALTERNATIVE ENERGY SOURCES Photovoltaic Wire & Cable ECCOH™ XL 8148 Cross-Linkable Solutions LEARN MORE LEARN MORE Avient Sustainability HOME | Contents | Message from the CEO | About Us | People | Products | Planet | Per formance | Metrics | Index Sustainability Report | 2023 44Sustainability Report | 2023 44 https://www.avient.com/news/avient-showcase-world-s-strongest-fiber-and-high-performance-engineered-fibers-techtextil-2024 https://www.avient.com/sites/default/files/2024-04/LubriOne%20Internally%20Lubricated%20Formulations%20PTFE%20Free%20Series%20Product%20Bulletin.pdf https://www.avient.com/products/polymer-colorants/healthcare-colorants/mevopur-healthcare-bio-based-polymer-solutions https://www.avient.com/products/polymer-colorants/fiber-colorants/renol-fiber-colorants https://www.avient.com/sites/default/files/2023-07/Versaflex%20HC%20_%20Versaflex%20HC%20BIO%20-%20BT%20Series%20Product%20Overview.pdf https://www.avient.com/idea/understanding-needs-and-challenges-photovoltaic-cable https://www.avient.com/company/sustainability/sustainable-solutions-portfolio Product Stewardship Management Approach Protecting associates, customers and the environment by providing safe products is a priority for Avient.

HOME | Contents | Message from the CEO | About Us | People | Products | Planet | Per formance | Metrics | IndexHOME | Contents | Message from the CEO | About Us | People | Products | Planet | Per formance | Metrics | Index Sustainability Report | 2023 40Sustainability Report | 2023 40 https://www.avient.com/company/sustainability/sustainable-solutions-portfolio https://www.avient.com/company/sustainability/sustainable-solutions-portfolio https://www.avient.com/company/sustainability/sustainability-report/products/how-our-products-enable-sustainability Service Innovation Enables Quality Recycle Post-Consumer Recycle (PCR) Color Predictive Tool Innovation Award, Winner: Plastics Industr y Association Product Technology Innovation, Winner: Plastics Recycling Awards Europe 2023 Product Innovation Enables PCR Claims + Low CO 2 reSound™ Ultra-Low Carbon Footprint TPE Innovation Award, Finalist: Plastics Industr y Association Rejoin™ 100% PCR Masterbatch Sustainable Packaging Innovation Finalist: U.S. HOME | Contents | Message from the CEO | About Us | People | Products | Planet | Per formance | Metrics | Index Sustainability Report | 2023 41 https://www.avient.com/resource-center/services/avient-color-prediction-service https://www.avient.com/products/thermoplastic-elastomers/resound-ultra-low-carbon-footprint-tpes https://www.avient.com/products/polymer-additives/antioxidant-additives/cesa-nox-a4r-additive-enhanced-recycling https://www.plasticsindustry.org/refocus-sustainability-innovation-awards-program/ https://www.prseventeurope.com/prse2024/en/page/2023-winners https://www.plasticsindustry.org/refocus-sustainability-innovation-awards-program/ https://usplasticspact.org/ https://www.plasticsindustry.org/refocus-sustainability-innovation-awards-program/ https://www.prseventeurope.com/prse2024/en/page/2023-winners RENEW Avient’s portfolio of RENEW solutions are designed to advance the circular economy. HIGHLIGHTS from 2023: Key Markets Key Customer Challenges • Preser ving key natural resources • Increasing healthcare regulations • Enabling connectivity & alternative energy • Increasing regulator y compliance Avient Solutions & Services • Specialty formulations, colorants and additives to meet medical device regulations • Specialty optical fibers for telecommunications • Advanced composite and fiber solutions for alternative energy infrastructure • Regulator y compliance expertise PRESERVE SUPPORTS SUSTAINABLE INFRASTRUCTURE Infrastructure Retrofit for Hydrogen Power Fiber-Line™ Engineered Fibers LEARN MORE Healthcare Energy Consumer NON-PTFE FORMULATIONS Non-Fluorinated Polymers LubriOne™ Internally Lubricated Formulations LEARN MORE UP TO 100% BIO-BASED CARRIER Medical Devices Mevopur™ Bio-Based Polymer Solutions LEARN MORE 75% Spin Dyed Textile Yarn Renol™ Spin Dying Colorants LEARN MORE LESS WATER UP TO 40% BIO-DERIVED Pharmaceutical Tubing Versaflex™ HC BIO BT218 TPE LEARN MORE ENABLE ALTERNATIVE ENERGY SOURCES Photovoltaic Wire & Cable ECCOH™ XL 8148 Cross-Linkable Solutions LEARN MORE LEARN MORE Avient Sustainability HOME | Contents | Message from the CEO | About Us | People | Products | Planet | Per formance | Metrics | Index Sustainability Report | 2023 44Sustainability Report | 2023 44 https://www.avient.com/news/avient-showcase-world-s-strongest-fiber-and-high-performance-engineered-fibers-techtextil-2024 https://www.avient.com/sites/default/files/2024-04/LubriOne%20Internally%20Lubricated%20Formulations%20PTFE%20Free%20Series%20Product%20Bulletin.pdf https://www.avient.com/products/polymer-colorants/healthcare-colorants/mevopur-healthcare-bio-based-polymer-solutions https://www.avient.com/products/polymer-colorants/fiber-colorants/renol-fiber-colorants https://www.avient.com/sites/default/files/2023-07/Versaflex%20HC%20_%20Versaflex%20HC%20BIO%20-%20BT%20Series%20Product%20Overview.pdf https://www.avient.com/idea/understanding-needs-and-challenges-photovoltaic-cable https://www.avient.com/company/sustainability/sustainable-solutions-portfolio Product Stewardship Management Approach Protecting associates, customers and the environment by providing safe products is a priority for Avient.

Kraton), to expand its global footprint and expertise in thermoplastic elastomer (TPE) 3POLYONE CORPORATION 4 innovation and design. Kraton), to expand its global footprint and expertise in thermoplastic elastomer (TPE) innovation and design. Kraton), to expand its global footprint and expertise in thermoplastic elastomer (TPE) innovation and design, for approximately $72.8 million.

Versaflex™ CE for 5G TPEs, providing signal transparency for mobile device accessories

Recycled content TPEs for enhanced sustainability

MC-87101TPE TPE GRAY 432C

Automotive Windshields to Post-Consumer Recycled Content TPEs

Automotive Windshields to Post-Consumer Recycled Content TPEs

TPEs that are ideal for healthcare, consumer goods and cutting-edge electronics such as wearables