Paint Replacement for Construction Vehicle Panels Smartbatch™ FX replaces the need to paint vehicle panels 

CHECK OUT THIS BEGINNERS GUIDE TO TPES https://www.avient.com/idea/video-advances-overmolding https://www.avient.com/products/thermoplastic-elastomers/tpe-knowledge-center/beginners-guide Pr od uc t P er fo rm an ce Market Pricing ($/lb.) The results were impressive: • Better tension set, improved compression and enhanced permeability • Slashed $70,000 from production costs by reducing cycle times and eliminating assembly steps • Lower specific gravity of TPEs trimmed overall part weight, which cut $36,000 in annual freight costs • Reprocessability of TPEs shrank scrap rates, saving more than $70,000 in material waste SWITCH TO TPEs BOOSTS BOTTOM LINE CASE STUDY READ MORE ONLINE For a manufacturer seeking to redesign a liquid injection-molded silicone medical pump valve insert, Avient suggested custom-formulated grades of Dynalloy™ OBC and Versaflex™ TPEs that would deliver better multi-functional performance than the previous design, while also facilitating easier two-shot molding. https://www.avient.com/idea/sealing-medical-device-savings APPLICATIONS LSR TPEs INFANT CARE • Pacifier • Baby bottle nipples • Breast pumps • Breast shields • Cup valves MEDICAL • Catheter • Tubing • Syringe seals • Respiratory masks • Handles/grips on surgical instruments • Prosthetics • Needleless valves • Gaskets • Valves • Wound drain bulb • Wound drain • Wound covering HOUSEHOLD • Bake ware (cake or muffin mold) • Oven gloves • Ice cube tray • Kitchen utensils • Trivet • Storage tubs RECREATION • Sporting goods (dive mask, protective mouthguard) • Shoe inserts AUTOMOTIVE • Turbocharge hoses • Radiator hoses • Spark plug boots • Underhood seals + gaskets • Interior seals + gaskets • Interior HVAC flaps ELECTRIC + ELECTRONICS • High voltage insulators • Wire + cable coating • Cellphone cases • Fitness wearables RETAIL • Packaging • Blister packs What’s the best fit for your application?

To support the transition to molded-in-color (MIC) parts, the customer specified Avient’s metallic-effect Smartbatch™ FX concentrates for two PC/ABS side panels on the center console of a compact SUV.

To support the transition to molded-in-color (MIC) parts, the customer specified Avient’s metallic-effect Smartbatch™ FX concentrates for two PC/ABS side panels on the center console of a compact SUV.

To support the transition to molded-in-color (MIC) parts, the customer specified Avient’s metallic-effect Smartbatch™ FX concentrates for two PC/ABS side panels on the center console of a compact SUV.

To support the transition to molded-in-color (MIC) parts, the customer specified Avient’s metallic-effect Smartbatch™ FX concentrates for two PC/ABS side panels on the center console of a compact SUV.

To support the transition to molded-in-color (MIC) parts, the customer specified Avient’s metallic-effect Smartbatch™ FX concentrates for two PC/ABS side panels on the center console of a compact SUV.

Footwear Insert Panels for Off-Road Vehicles Advanced Mobility

Avient Corporation 19 Sustainability is integral to achieving our vision, mission, and performance that: • creates a safe and accepting environment that empowers associates to perform to their fullest potential • gives back to the communities where we work and live • enables customers to innovate solutions that help make the planet more sustainable • protects the environment by addressing climate change, conserving natural resources and preventing pollution • actively manages risk for investors & yields financial performance Avient Corporation 20 EXTERNAL ALIGNMENT DEEPLY EMBEDDED IN OUR CULTURE Avient Corporation 21 MEGATRENDS OFFER OPPORTUNITIES FOR SUSTAINABLE SOLUTIONS Advancements in Technology Transformation of Municipalities Lifestyle Refresh Rethinking Globalization Evolution of Avient Corporation 22 SUSTAINABILITY TRENDS DRIVING AVIENT’S GROWTH Changes in consumer behavior driven by climate change & desire to reduce plastics waste Consumers seeking to buy more sustainable products from more sustainable companies Brand owner and retailer demand to meet sustainability targets & needs Rising emphasis on preserving and protecting natural resources & human life Increased current and pending government legislation and regulations CONSUMERS WANT SUSTAINABLE PRODUCTS Source: Simon Kucher 2022 Avient Corporation 23 Consider sustainability when they purchase Rate sustainability as a key criterion in purchasing decisions 34% Are willing to pay more for sustainable products Average premium consumers are willing to pay for sustainable products PURPOSE-DRIVEN CONSUMERS NOW LARGEST SEGMENT Source: IBM / National Retail Federation 2022 Avient Corporation 24 “Purpose-driven consumers seek products and brands that align with their values and provide health and wellness benefits. 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. Plastics Pact Post-Consumer Recycle (PCR) Color Predictive Tool Innovation Award, Winner: Product Technology Innovation, Winner: Plastics Recycling Awards Europe 2023 Additive for Enhanced Recycling Innovation Award, Finalist: Product Technology Innovation, Finalist: Plastics Recycling Awards Europe 2023 Service Innovation Enables Quality Recycle Product Innovation Enables PCR Claims + Low CO2 Product Innovation Protects Quality Recycle …are Growing at Twice the Rate as Conventional ProductsSustainably-Branded Products… Consumers Are demanding recyclability and eco- conscious products Governments Are mandating changes through legislation, taxes, and regional accords STAKEHOLDER INFLUENCE DRIVES DEMAND For Sustainable Products From Sustainable Companies Brand Owners Have committed to ambitious goals to achieve sustainability metrics Avient Corporation 77 Avient Corporation 78 SUSTAINABILITY TRENDS DRIVE LONG-TERM GROWTH 8-12% Long Term Growth 18 46 2023 2032 Global Offshore Annual Wind Installations (in Gigawatts) 2022 2030 Medical Plastics Market Size (in $Billions) 12% CAGR 3% CAGR Recycled Virgin Growing Demand for Recycled Content Avient Sustainable Solutions 11% CAGR 8% CAGR Sources: McKinsey, Bloomberg, Grand View Research Avient Corporation 79 Increasing the use of recycled content Reducing weight to lower fuel consumption 2022 SALESDESCRIPTION $340M $310M $525M OUTCOMES Enabling customers to advance the circular economy Shrinking carbon footprint and decreasing emissions Making our planet a better place for all Using fewer natural resources; protecting human life $1,175MTOTAL SALES SUSTAINABILITY TRENDS DRIVE LONG-TERM GROWTH AVIENT IS WELL-POSITIONED A Clean House Avient holds leading ratings on ESG matters of importance to customers, countries, and key stakeholders Leading Portfolio Our formulation expertise and materials are meeting the unique sustainability needs of our customers around the world in endless applications 8-12% Long-Term Growth RateAvient’s Sustainable Solutions Investing in Innovation 85% of our opportunity funnel is directed at sustainable solutions addressing unmet customer needs Avient Corporation 80 Avient Corporation 81 ADJUSTED EBITDA MARGIN EXPANSION • Transformative acquisitions combined with divestitures of more cyclical businesses have improved margins over 400 bps since 2018 • 20% long-term margin goal to be driven by key growth drivers, with sustainable solutions playing a meaningful role 5.4% 11.5% 16.0% 17.3% 20% 20.0% 2006 2018 2023E Recovery Growth Drivers Strategic Objective 20%+ +1%+ +3%+ Community Service 7x Safer than Industry Average World-Class Safety Leadership Development Over $19 million raised since 2007 Diversity & Inclusion PEOPLE AND CULTURE Avient Corporation 82 Avient Corporation 83 • 6% annualized long-term sales growth leveraging sustainable solutions, composites, healthcare, and emerging regions • Expand EBITDA margins to 20% • Deliver annual EBITDA and EPS growth of 10% and 15% • Maintain asset-light, 80% free cash flow conversion profile and be valued as a specialty formulator • Continue fostering our Great Place to Work® culture LONG-TERM OBJECTIVES Avient Corporation 84 Wrap Up and Q + A Chairman, President, and Chief Executive Officer Avient Corporation 85 Investor Deck_9_19_23 v4_WEBSITE_GAAP.pdf 2023 SR Non-GAAP Rec v3

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