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? https://www.avient.com/products/thermoplastic-elastomers/versaflex-thermoplastic-elastomers

Avient corporation first quarter 2023 results AVIENT CORPORATION I N V E S T O R P R E S E N T A T I O N (NYSE: AVNT) J A N U A R Y 2 0 2 4 D I S C L A I M E R Forward-Looking Statements Certain statements contained in or incorporated by reference into this presentation constitute “forward-looking statements” within the meaning of the Private Securities Litigation Reform Act of 1995. W H AT W E D O : W E A R E A F O R M U L ATO R CUSTOM FORMULATION 6 N O V E M B E R 2 , 2 0 2 3 W E B C A S T P R E S E N T AT I O N Complementary technologies and customer relationships offer opportunity to advance commercial strategy Dyneema®, the world’s strongest fiber™, to accelerate growth of sustainable, ultralight and high performance applications AVIENT PROTECTIVE MATERIALS FIRST YEAR 8 Composites comprises over half of Specialty Engineered Materials, compared to 9% in 2016 Proven history of success in areas such as outdoor high performance, defense and sustainable solutions Composites 44% 56% 2023E Sales Collaboration & InnovationComposites as a % of SEM People & Culture Talented, passionate, and creative associates drive continued integration success and allow two cultures to come together as one Avient Lightweight Protective Laminates: PROJECTILE PROTECTION Dyneema® Fiber Solutions Cushioning + Fit + Comfort: LONG-TERM WEAR reSound™ Versaflex™ Thermoplastic Elastomers Strength + Durability + Light-Weighting: SOLID MOUNTING BRACKETS Nymax™ Bergamid™ Complēt™ Engineered Materials Durability + Lubricity: HELMET LATCHES Lubri-One™ Internally Lubricated Polymers Color Consistency and Weatherability CUSTOMIZED SPECIFICATIONS Avient Color and Additive Solutions Antennae Performance FAST, RELIABLE CONNECTIONS PREPERM™ Low-Loss Dielectric Thermoplastics AVIENT PROTECTIVE MATERIALS C R O S S S E L L I N G O P P O R T U N I T I E S Wired Connections CONSTANT COMMUNICATION Syncure™ Cross-linkable Wire & Cable Formulations9 10 AVIENT PROTECTIVE MATERIALS C R O S S S E L L I N G O P P O R T U N I T I E S 10 Q 3 P E R F O R M A N C E 15.4% 16.3% 2022 PF 2023 Results vs. Avient reflects 2023 adjusted EBITDA guidance of $500M and estimated run-rate CAPEX of $110M. 2023E (%) 27 78 89 83 80 78 74 86 79 76 67 66 55 50 (39) A vi en t K W R FU L P P G A V Y R P M FM C C E E C L A S H H X L H U N E M N S C L Avient Specialty Formulators Other Specialty / Chemical Companies MULTIPLE EXPANSION Source: Peer data per Bloomberg as of December 29, 2023 Note: Avient reflects 2023 adjusted EBITDA guidance of $500M and closing share price of $41.57.

Study of the effects of formulation and thickness on the dielectric, signal transparency properties of Versaflex TPEs Discover how Avient's in-plastic solution can protect against counterfeiting in E&E applications

Study of the effects of formulation and thickness on the dielectric, signal transparency properties of Versaflex TPEs Discover how Avient's in-plastic solution can protect against counterfeiting in E&E applications

Study of the effects of formulation and thickness on the dielectric, signal transparency properties of Versaflex TPEs Discover how Avient's in-plastic solution can protect against counterfeiting in E&E applications

Study of the effects of formulation and thickness on the dielectric, signal transparency properties of Versaflex TPEs Discover how Avient's in-plastic solution can protect against counterfeiting in E&E applications

Versaflex OM - Rotary Power Tool Handle P R E M I U M P OW E R TO O L B R A N D R O T A R Y P O W E R T O O L H A N D L E • Soft touch grip with improved haptics • Reduced vibration • Excellent surface appearance • Bonding to nylon • Utilized global technical services to translate customer’s preferred material in North America to Europe • Enabled brand consistency across the globe, and accelerated time to market Versaflex™ OM 6258 KEY REQUIREMENTS WHY AVIENT? https://www.avient.com/products/thermoplastic-elastomers/versaflex-thermoplastic-elastomers

Homepage // News Center // Avient Introduces Versaflex™ TF Adhesive TPEs for Textile Fabrics Avient Introduces Versaflex™ TF Adhesive TPE Solutions for Athletic Textile Fabrics   Versaflex TF Adhesive TPEs offer easy processing and shaping, resulting in a strong adhesion between the TPE adhesive film and high-elastic fabrics.

SILVER IRID PEARL CL PP SILVER IRID PEARL CL PP V2

Homepage // News Center // Cosmetic Packaging Reimagined with Versaflex™ PKG Thermoplastic Elastomers from PolyOne Recently, for example, a market-leading global cosmetics brand chose Versaflex PKG for its next-generation makeup compacts. To support design needs for cosmetic packaging, PolyOne’s chemically compatible Versaflex™ PKG TPEs enable brands to: