TPEs for HVAC Flaps TPE Overmolding Design Guide GLS™ TPEs - Overmolding Guide

PHONE CASE BRAND P H O N E C A S E S • Compatible with antimicrobial additives • Good stain resistance • Non-yellowing • Delivered enhanced solution that included antimicrobial properties and stain resistance • Collaborated with OEM and the foremost supplier of antimicrobials to comply with key bacterial growth requirements Versaflex™ CE 3320-80 TPE KEY REQUIREMENTS WHY AVIENT?

LAND-BASED) Avient Corporation 58 Solar Power Wire and Cable Syncure™ and ECCOH™ Photovoltaic Polymers • Supports installation of sustainable infrastructure for renewable energy • Reduces energy consumption vs. radiation cross-linking process • Extends useful life for cables EXTENDS PRODUCT LIFE Alternative Energy 2022 Revenue: $26M Wind Turbine Towing Lines Dyneema® Rope • Weightless when submerged • Smaller diameter for equal strength = larger winch capacities • Reduces drag for improved towing STRONGER THAN STEEL 15x Wind Blade Root Stiffener Glasforms™ Composites • Provides enabling technology that supports adoption of alternative energy • Withstands fatigue for extended product life ENABLES WIND ENERGY Avient Corporation 59 CUSTOMER TESTIMONIALS “We believe that sustainability and innovation go hand-in-hand and the team at Harley- Davidson is excited about Avient’s recently launched Bio-Based TPE for our handlebar grips.” Per Carlsson, Manufacturing and Operations CUSTOMER TESTIMONIALS Avient Corporation 71 50 90 0 20 40 60 80 100 2022 2030 Medical Plastics Market Size PRESERVE – TAKEAWAY Protecting Human Life and Enabling Connectivity Drives Growth Projections Examples Covered Today 56% Other Applications 44% 2022 $525M (i n $B ill io ns ) 8% CAGR 34% CAGR 5G Infrastructure Market Size 12 92 0 10 20 30 40 50 60 70 80 90 100 2023 2024 2025 2026 2027 2028 2029 2030 (in $ B ill io ns ) Source: Grand View Research Source: Global Data Summary Jamie Beggs Senior Vice President and Chief Financial Officer Avient Corporation 72 OUR SUSTAINABILITY REPORT Avient Corporation 73 Avient Corporation 74 2030 SUSTAINABILITY GOALS Avient Corporation 75 PERFORMANCE AND RECOGNITION 1 2 5 ESG Ratings Performance ESG Awards and Certifications top 13% 94th percentile Avient Corporation 76 SUSTAINABILITY INNOVATION AWARDS Ultra-Low Carbon Footprint TPE Innovation Award, Finalist: Plastics Industry Association PCR Colorants + Additives Sustainable Packaging Innovation, Finalist: U.S. Plastics Pact Post-Consumer Recycle (PCR) Color Predictive Tool Innovation Award, Winner: Plastics Industry Association Product Technology Innovation, Winner: Plastics Recycling Awards Europe 2023 Additive for Enhanced Recycling Innovation Award, Finalist: Plastics Industry Association 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 Products Sustainably-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) 50 90 2022 2030 Medical Plastics Market Size (in $Billions) 2020 2030 12% CA GR 3% CA GR Recycled Plastics Virgin Plastics Growing Demand for Recycled Content Avient Sustainable Solutions 11 % CA GR 8% CA GR 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 Bob Patterson Chairman, President, and Chief Executive Officer Avient Corporation 85 Investor Deck_9_19_23 v4_WEBSITE_GAAP.pdf 2023 SR Non-GAAP Rec v3

TPE Knowledge Base Generally, GLS TPEs will flow much further in thinner walls than other types of TPEs. Generally, SEBS TPEs have higher shrinkage and are more anisotropic than SBS TPEs.

With TPEs, you can add more than soft touch. Without tpe With tpe

Versaflex - CPAP tubing film CPAP TUBING C O R R U G A T E D T U B I N G F I L M • Replacement for polyolefins • Good spring-back • Bondable cuffs • Clear & clean look • Minimize humidity and condensation within the tube • No noticeable odor • FDA, ISO 10993 & USP VI compatible • Provided TPE solution to meet market expectations for improved user comfort & aesthetics • Reduced tube noise and improved drape compliance with new material solution versus polyolefins • Offered solution with improved thermal properties to combat humidity Versaflex™ CL2250 KEY REQUIREMENTS WHY AVIENT?

PHONE CASE BRAND C L E A R P H O N E C A S E S • Optically clear • Non-yellowing • Good stain resistance • Bondable to PC • Formulated a custom solution to enhance stain resistance and tensile strength • Collaborated on application and technical services to help ensure end product maintained optical clarity when texture was added • Provided manufacturing support to reduce scrap • Coordinated across multiple regions for supply continuity and technical support to serve customer’s global needs Versaflex™ CE 3320-80 TPE KEY REQUIREMENTS WHY AVIENT?

EUROPEAN OEM & TIER 2 MOLDER C U P H O L D E R M A T • Low odor material • Excellent surface finish • Provided excellent low VOC/FOG properties and lower density than previous solution with a specialty TPE grade • Delivered high-quality aesthetics, including soft touch and low gloss finish • Offered global support and production capabilities to allow molder to source the grade globally OnFlex™ AF 7210-70N Thermoplastic Elastomer KEY REQUIREMENTS WHY AVIENT?

LEADING GARDEN TOOLS BRAND O S C I L L A T I N G S P R I N K L E R S • Superior abrasion resistance performance • Ability to pass standard UV testing as well as the customer’s more stringent UV criteria • Global support and material availability • Developed a customized TPE material with superior UV resistance, adhesion to ABS, and demolding • Leveraged in-house UV chamber tests to exceed UV parameter requirements • Worked closely with customer’s product development, engineering and quality teams to test and specify material • Supplied grade globally with local technical and manufacturing support OnFlex™ S KE Thermoplastic Elastomer KEY REQUIREMENTS WHY AVIENT?

PRE-FILLED SYRINGE COMPANY S Y R I N G E T I P C A P • Excellent sealing performance • No DEHP or natural rubber latex added during processing • Can be sterilized by EtO • Compliant with ISO 10993-4&5 and USP Class VI • Formulated a solution that met rigorous medical application requirements • Leveraged global footprint to ensure supply continuity • Increased process efficiency by replacing previous thermoset material with a TPE Versaflex™ HC Thermoplastic Elastomers KEY REQUIREMENTS WHY AVIENT?