DURABILITY High Impact Strength, Weatherability SOLUTION: PP, HDPE, ASA, Nylon Engineered Formulations AESTHETIC APPEAL Custom Color & Special Effects, Paint Replacement SOLUTION: Custom Polymer Colorants, Pre-Colored High-Gloss Thermoplastics THERMAL MANAGEMENT LED Heat Sinks, Design Flexibility SOLUTION: Thermally Conductive Formulations EXTREME PERFORMANCE Chemical & Fire Resistance, High Temperature Performance SOLUTION: Nylon Engineered Formulations, Long Fiber Reinforced Composites, Continuous Fiber Composite Tapes & Laminates, Flame Retardant Polyolefin Formulations STRUCTURAL INTEGRITY High Stiffness-to-Weight Ratio, Metal Replacement SOLUTION: Pultruded Rods, Tubes & Custom Profiles, Long Fiber Reinforced Composites SENSORY EXPERIENCE Vibration Damping, Durability, Customization, Custom Color, Low Friction SOLUTION: Thermoplastic Elastomers (TPEs), Custom Polymer Colorants, Internally Lubricated Formulations, Advanced Composite Springs STRENGTH & STABILITY Excellent Dimensional Stability, High Stiffness, Impact Resistance SOLUTION: Short & Long Fiber Formulations, Continuous Fiber Composite Tapes & Laminates SURFACE PROTECTION Performance Enhancements SOLUTION: Scratch & Mar Resistance, UV Stable Additives, Anti-Static Additives STRUCTURAL PERFORMANCE Corrosion Resistance, Lightweighting SOLUTION: Long Fiber Reinforced Composites, Nylon Engineered Formulations, Continuous Fiber Composite Tapes & Laminates, Chemical Foaming Additives METAL REPLACEMENT Lightweighting, Heat Management, Load Carrying Capability SOLUTION: Long Fiber Reinforced Composites, Continuous Fiber Composite Tapes & Laminates TACTILE EXPERIENCE Soft-Touch Feel, Durability SOLUTION: Thermoplastic Elastomers (TPEs) A COLLABORATION THAT BRINGS STYLE & GRIT To all thrill seekers, fans and enthusiasts, your brand says, “Bring it!”

Trilliant™ HC Healthcare Thermoplastics - Glass-filled Polyketone Formulations Overview of performance and sustainability benefits of these glass-filled, polyketone (PK) materials for healthcare   Advanced Mobility Composite Structures

Dyneema®, the world's strongest fiber™, enables unmatched levels of performance and protection for end-use applications, including ballistic personal protection, marine and sustainable infrastructure and outdoor sports Light-weighting solutions that replace heavier traditional materials like metal, glass and wood, which can improve fuel efficiency in all modes of transportation and reduce carbon footprint Sustainable infrastructure solutions that increase energy efficiency, renewable energy, natural resource conservation and fiber optic / 5G network accessibility

Dyneema®, the world's strongest fiber™, enables unmatched levels of performance and protection for end-use applications, including ballistic personal protection, marine and sustainable infrastructure and outdoor sports Light-weighting solutions that replace heavier traditional materials like metal, glass and wood, which can improve fuel efficiency in all modes of transportation and reduce carbon footprint Sustainable infrastructure solutions that increase energy efficiency, renewable energy, natural resource conservation and fiber optic / 5G network accessibility

Dyneema®, the world's strongest fiber™, enables unmatched levels of performance and protection for end-use applications, including ballistic personal protection, marine and sustainable infrastructure and outdoor sports Light-weighting solutions that replace heavier traditional materials like metal, glass and wood, which can improve fuel efficiency in all modes of transportation and reduce carbon footprint Sustainable infrastructure solutions that increase energy efficiency, renewable energy, natural resource conservation and fiber optic / 5G network accessibility

Dyneema®, the world's strongest fiber™, enables unmatched levels of performance and protection for end-use applications, including ballistic personal protection, marine and sustainable infrastructure and outdoor sports Light-weighting solutions that replace heavier traditional materials like metal, glass and wood, which can improve fuel efficiency in all modes of transportation and reduce carbon footprint Sustainable infrastructure solutions that increase energy efficiency, renewable energy, natural resource conservation and fiber optic / 5G network accessibility

Dyneema®, the world's strongest fiber™, enables unmatched levels of performance and protection for end-use applications, including ballistic personal protection, marine and sustainable infrastructure and outdoor sports Light-weighting solutions that replace heavier traditional materials like metal, glass and wood, which can improve fuel efficiency in all modes of transportation and reduce carbon footprint Sustainable infrastructure solutions that increase energy efficiency, renewable energy, natural resource conservation and fiber optic / 5G network accessibility

Dyneema®, the world's strongest fiber™, enables unmatched levels of performance and protection for end-use applications, including ballistic personal protection, marine and sustainable infrastructure and outdoor sports Light-weighting solutions that replace heavier traditional materials like metal, glass and wood, which can improve fuel efficiency in all modes of transportation and reduce carbon footprint Sustainable infrastructure solutions that increase energy efficiency, renewable energy, natural resource conservation and fiber optic / 5G network accessibility

Dyneema®, the world's strongest fiber™, enables unmatched levels of performance and protection for end-use applications, including ballistic personal protection, marine and sustainable infrastructure and outdoor sports Light-weighting solutions that replace heavier traditional materials like metal, glass and wood, which can improve fuel efficiency in all modes of transportation and reduce carbon footprint Sustainable infrastructure solutions that increase energy efficiency, renewable energy, natural resource conservation and fiber optic / 5G network accessibility

EBITDA Margins (1) 5.4% 11.5% 16.0% 2006 2018 2023E • Delivered on organic growth combined with transformative and bolt-on acquisitions • Divested commodity businesses tied to more cyclical end markets • Expanded presence in high growth areas of sustainable solutions, composites, healthcare applications and emerging regions LONG-TERM REVENUE GROWTH DRIVERS Avient Corporation 14 Growth Drivers Long-Term Growth Rate Sustainable Solutions 8–12% Composites 8–10% Healthcare 8–10% Asia / LATAM 5% Other (GDP growth) 0–2% Avient 6% 60%+ Key Growth Drivers Sustainable Solutions Composites, Healthcare, Asia / LATAM Overlap (GDP Growth) HISTORICAL GROWTH DRIVER PERFORMANCE Avient Corporation 15 Composites $51 $84 $212 $668 $108 $113 $231 $293 Asia/Emerging Regions $265 $358 $726 $830 12% $340 $455 $790 $1,175 Sustainable Solutions (Sales $ in millions) Avient Corporation 16 $405M $455M $550M $790M $915M 2016 2017 2018 2019 2020 2021 2022 Revenue From Sustainable Solutions 2016-2022 ($ in millions) 11% Organic CAGR $1,175M Eco-Conscious Recycle Solutions VOC Reduction Sustainable Infrastructure Reduced Energy Use Bio-polymers Solutions to increase recycled content and minimize plastic waste Solutions to reduce weight and energy consumption Solutions to preserve and protect natural resources & human life SUSTAINABILITY: FOCUS TODAY Sustainability Strategy Walter Ripple Vice President, Sustainability Avient Corporation 17 OUR SUSTAINABILITY COMMITMENT As the world’s premier provider of specialized and sustainable materials, services, and solutions, Avient is committed to meeting the needs of the present without compromising future generations’ ability to meet their needs. sourced (BEAD) FIBER OPTIC SOLUTIONS Sources: European Commission: Energy; People’s Republic of China National Development and Reform Commission; U.S. Chantal Nestor-Saury, Product Development Manager Avient Corporation 48 Brand Commitment: Percent Recycled Plastic Used Demand by Feedstock Type 39% 29% 37% 16% 6% 0% 10% 20% 30% 40% 50% Brand 1 Brand 2 Brand 3 Brand 4 Brand 5 Brand 6 Brand 7 Brand 8 Brand 9 Brand 10 Progress through 2022 Gap to reach 2025 targets Source: Ellen MacArthur Foundation 2022 12% CAGR Recycled Virgin Plastics3% CAGR RENEW – TAKEAWAY Demand for Recycled Content Drives Growth Projections Examples Covered Other Applications 45% 2022 Source: McKinsey HOW WE ENABLE SUSTAINABILITY Reduce Chris Pederson Senior Vice President, President of Specialty Engineered Materials Avient Corporation 49 REDUCE Avient Corporation 50 • Improving Fuel Economy - Incorporating innovative lighter-weight alternative materials as a cost-effective way to reduce fuel consumption • Reducing Energy Consumption and Dependence on Fossil Fuels - Negative public perceptions of fossil fuels are challenging companies to utilize alternative energy sources and also to reduce overall demand (consumption) • Reducing Carbon Footprint - Companies are seeking assistance from their suppliers to address the ever-increasing pressure to reduce their carbon footprint • Lessening Environmental Impact - Manufacturers are looking to reduce dependence on processes with high environmental impact such as the release of Volatile Organic Compounds (VOCs) during painting Solutions to reduce weight and energy consumption Avient Corporation 51 Lightweight Dashboards Hydrocerol™ Chemical Foaming Agents • Reduces part weight • No impact on performance • Highly cost effective 20% LESS MATERIAL 2022 Revenue: $46M Body + Trim SmartBatch™ Paint Replacement • Reduces emission of volatile organic compounds (VOCs) REDUCES VOCs Protective Film Versaflex™ Protective Film • Protects new cars from damage during shipping • High-tack eliminates solvent containing adhesives Avient Corporation 52 LED Lighting Components ThermaTech™ Thermally Conductive Formulations • Reduces weight vs. aluminum • Removes heat – extends LED life • Will not corrode LIGHTER THAN ALUMINUM 2022 Revenue: $3M REDUCES FUEL CONSUMPTION Running Boards, Side Steps Complēt™ Long Fiber Reinforced Structural Thermoplastics • High strength-to-weight • Replaces steel/aluminum • Excellent load carrying and fatigue resistance Avient Corporation 53 Battery Frame Maxxam™ Polyolefin Formulations • Critical stiffness and rigidity • Chemical and thermal performance • Replaces a heavier, aluminum frame LIGHTER THAN ALUMINUM Design for Lightweighting Avient Design Services • Comprehensive design for sustainability capabilities • Materials agnostic • 10% reduction in weight increases range by 14% SUSTAINABLE DESIGN 2022 Revenue: $4M EV Battery Cooling System Versaflex™ Thermoplastic Elastomers • Thermal management • Chemically resistant • More efficient and longer life battery EXTENDS BATTERY LIFE Avient Corporation 54 EV Connectors Edgetek™ PKE Non-halogen flame retardant Formulations • Provides reduced carbon footprint alternative to traditional materials (Nylon) LESS CO2 THAN NYLONCharging Cable Infrastructure ECCOH™ Wire and Cable Formulations • Low smoke, zero halogen • Flame resistance exceeds EVM1/EVL2 requirements ZERO HALOGEN 2022 Revenue: $2M Avient Corporation 55 Trailer Flooring Polystrand™ R Recycled PET Composite Tapes • Minimum 95% post-consumer recycle content • Improved carbon footprint without sacrificing performance 95% RECYCLED PET Aerodynamic Side Shield Polystrand™ Thermoplastic Composite Laminates • Can be post-formed • High impact and fatigue resistance LIGHTER Commercial Transportation, Aerospace 2022 Revenue: $8M Rail Car Doors Glasforms™ Composite Panels • Replaces steel • Will not corrode • Reduces weight LIGHT & DURABLE Air Cargo Nets Bio-based Dyneema® Fiber • Extends product life from 3 to 5 years 59% LESS WEIGHT Arm Rests & Seat Frames Complēt™ Long Fiber Composites • Replaces steel • High strength-to-weight ratio LIGHT & STRONG Commercial Transportation, Aerospace 2022 Revenue: $8M Air Cargo Containers Polystrand™ Composite Sandwich Panels • Lighter and stronger than aluminum 95% Avient Corporation 56 Avient Corporation 57 Aquaculture/ Fishing Nets Dyneema® Fishing Net Fibers • High bite resistance – lowers maintenance costs and fish loss • Lighter weight reduces fuel consumption – allows for larger net sizes LIGHTER THAN NYLON/ POLYESTER 70% LIGHTER THAN STEEL Lifting Slings Dyneema® Fiber • Facilitates heavy lift in harsh environments • Accredited by DNV GL, ABS, Bureau Veritas Mooring Lines Dyneema® Mooring Rope Fibers • Able to handle heavy loads common to modern shipping • Improves handling • Reduces dock worker injuries 2x SERVICE LIFE Marine Infrastructure 2022 Revenue: $41M Solar Power Station UV Solutions Smartbatch™ Combination Colorants • Protects solar power panels from UV weathering and outdoor exposure • Meets critical performance standards ENERGY SAVINGS (VS.