Avient offers a range of medically compliant polymer solutions, including thermoplastics, thermoplastic elastomers (TPEs), and colorant and additive masterbatches that can help you provide durable, reliable, and easy-to-use at-home monitoring devices. Colorful, soft touch TPEs for improved grips, aesthetics and haptics. Learn how chemically resistant Trilliant™ HC thermoplastics and Versaflex™ HC TPEs provide enhanced durability to withstand common hospital cleaners and disinfectants

Avient’s portfolio of colorants and additives, thermoplastic elastomers (TPEs), and specialty engineered polymers helps customers meet performance demands, comply with medical and pharmaceutical regulations, and accelerate speed to market. Versaflex™ HC & Versaflex™ HC BIO BT Series TPEs: grades formulated specifically to handle the complexities of healthcare and biopharmaceutical tubing, including excellent weldability, kink resistance, and low extractables, delivering comparable performance to competing materials such as silicone and PVC tubing, while providing lower Product Carbon Footprint (PCF) values than other materials* The Versaflex HC BIO BT218 grade is formulated with 40% bio-derived content and provides a sustainable substitute for traditional materials. TPEs and specialty engineered polymers for auto-injector pens: offer excellent chemical and impact resistance, good self-lubrication functions, durability to extend product life and meet biocompatibility and food-contact safety regulations.

reSound™ REC Recycled Content Thermoplastic Elastomers (TPEs): based on post-consumer recycle (PCR) for reduced carbon footprint Versaflex™ TPEs: can reduce vibration in consumer goods such as household appliances and power tools by up to 80% compared to traditional thermoplastic vulcanizates (TPVs) OnFlex™ TPEs: offer high thermal, chemical, and mechanical property profiles with low odor for demanding applications in transportation, including OnFlex AF 7210-70 for automotive components with low volatile organic compounds (VOCs), low fog, and lower density compared to previous material grades, plus excellent low-gloss surface finish and soft touch for high-quality aesthetics

Colorable, soft touch TPEs for improved grips, aesthetics, and haptics.  Versaflex™ HC TPEs met regulatory needs and provided a recycled TPE solution for sealing ring

Bergamid™ polymer formulations and GLS™ TPEs replace metal and provide comfort and usability for Swiss soldiers pocket knife Bergamid™ polymer formulations and GLS™ TPEs replace metal and provide comfort and usability for Swiss soldiers pocket knife Bergamid™ Polymer Formulations and GLS™ TPEs provide comfort and usability in iconic pocket knife handle

Avient Corporation highlights sustainable innovations at NPE 2024, including Nymax™ REC Recycled Nylon Formulations, Versaflex™ HC BIO BT218 TPEs, ColorMatrix™ Capture™ Oxygen Scavenger, and Cesa™ Non-PFAS Process Aid for Extrusion, exemplifying the company’s commitment to delivering advanced sustainable solutions.   Versaflex™ HC BIO BT218 TPEs: a finalist for the Plastics Industry Association’s People’s Choice for Plastics Sustainability Innovation Award to be announced at NPE, this grade of bio-derived thermoplastic elastomer (TPE) is developed specifically to handle the complexities of biopharmaceutical tubing and deliver excellent weldability, kink resistance, and low levels of extractables while offering the same performance as its prime counterpart but with a lower carbon footprint.

Versaflex™ HC and Versaflex HC BIO Thermoplastic Elastomers (TPEs): These specialty TPE formulations offer versatile and customizable performance for medical and biopharmaceutical tubing, device overmolds, and injection molded applications. Available in a variety of durometers and performance characteristics, the product family includes grades formulated without animal derivatives and a bio-based Versaflex HC BIO BT218 formulation developed specifically to handle the complexities of biopharmaceutical tubing (excellent weldability, kink resistance, and low levels of leachables and extractables) with a lower carbon footprint than traditional Versaflex HC TPE or silicone alternatives.

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Additionally, Adjusted EPS excludes the impact of special items and amortization expense associated with intangible assets. 2 AVI ENT: WHO WE A RE 36 24 9 35 • U.S. and Canada • Latin America • Europe, Middle East & Africa • Asia 25,000+ CUSTOMERS Headquartered in Avon Lake, OH (Cleveland) 100+ manufacturing plants Key Financial Data 2023E Sales $3.4 billion 2023E EBITDA $530 million 2023E EPS $2.40 100% ARE CUSTOMIZED SOLUTIONS TO UNIQUE SPECIFICATIONS of sales 3 Guidance as of May 3, 2023 Webcast W H O W E A R E – V I S I O N , S T R AT E G Y, C U LT U R E 4 Avient Corporation (NYSE: AVNT) provides specialized and sustainable material solutions that transform customer challenges into opportunities, bringing new products to life for a better world. Avient Specialty Formulators Other Specialty / Chemical Companies 2023E(%) 36 79 87 83 81 76 73 90 79 77 76 73 69 60 22 A vi e n t K W R P P G F U L A V Y R P M F M C C E H X L A S H E C L H U N E M N S C L M U LT I P L E E X PA N S I O N Avient Specialty Formulators Other Specialty / Chemical Companies Source: Peer data per Bloomberg as of April 28, 2023 Note: Avient reflects 2023 adjusted EBITDA guidance of $530M and closing share price of $38.51. Avient 2011 and 2018 valuations reflect trailing 12 months EBITDA at December 31 of the respective years. 37 EV / 2023E EBITDA Historic Multiple 6.5 8.3 9.9 14.6 13.7 13.0 11.9 8.8 18.7 17.4 11.8 10.0 9.7 9.1 8.0 7.9 A vi e n t (2 0 1 1 ) A vi e n t (2 0 1 8 ) A vi e n t (2 0 2 3 ) K W R P P G R P M A V Y F U L E C L H X L F M C A S H S C L C E E M N H U N Reconciliation of Non-GAAP Financial Measures (Unaudited) (Dollars in millions, except for per share data) Senior management uses comparisons of adjusted net income from continuing operations attributable to Avient shareholders and diluted adjusted earnings per share (EPS) from continuing operations attributable to Avient shareholders, excluding special items, to assess performance and facilitate comparability of results.

PRODUCT SELECTION GUIDE WIRE & CABLE SOLUTIONS Specialty Engineered Materials High performance insulation, jacketing, and cross-web formulations for the wire and cable industry Syncure™ XLPE Cross-linkable Polyethylene Formulations • Ambient curing • Flame performance • Resistant to heat, oil, creep, & abrasion • Low temperature properties • Low capital investment • High extrusion speeds • DBDPE-free grades available • UL/CSA bulletins Maxxam™ FR Flame Retardant Polyolefin Formulations • FEP alternative • Fire performance • UL 444 & plenum yellow card compliance • Low dielectric • High extrusion speeds • Thin wall extrudability Maxxam™ SY Foamable Flame Retardant Formulations • Low dielectric • Uniform cell structure • Crush & heat resistance • Ease of chemical foaming ECCOH™ Low Smoke and Fume Non-Halogen Formulations • Improved fire safety • Low smoke, fume, non-halogen (LSFOH) formulations • Chemical resistance ECCOH™ XL Cross-Linkable Solutions • Non-halogen, low smoke, toxicity, & corrosiveness • Excellent mechanical & electrical properties • Easily processed • Operating temperature of 90°C • Moisture cure technology Synprene™ Flame Retardant Thermoplastic Elastomers • Flexibility • Flame performance • Low temperature brittleness (LTB) resistance • Chemical resistance • Easily colored FireCon™ CPE Insulation Jacketing Formulations • Resistance to harsh environments • Low temperature performance • Flame performance • High extrusion speeds • Sunlight resistance FEATURES SPECIFICATION ECCOH™ XL 8148 Non-halogen, low smoke, toxicity, & corrosiveness EN50618 Syncure™ S100FH Horizontal flame UL 44 Syncure™ S100FH-XUV Horizontal flame, UV resistant UL 44 Syncure™ S100FH-UV Horizontal flame, FV-1 flame, UV resistant UL 44, UL 4703 Syncure™ S100FV VW-1 flame UL 44 Syncure™ S100FV-UV VW1, UV resistant UL 44 Syncure™ S112NA Non-flame retardant CSA 22.2 Syncure™ S120NA Non-flame retardant NSF 61 Syncure™ S200FH Horizontal flame, DBDPE-free UL 44 Syncure™ S200FV VW-1, DBDPE-free UL 44 INSULATION FOR POWER CABLE SYSTEMS Low Voltage Power Cables • Flame performance • Resistance to heat, oil, creep, & abrasion • Low temperature performance • Low capital investment • High extrusion speeds INSULATION & CROSS-WEBS FOR DATA CABLE SYSTEMS Category Cables • FEP alternative • Flame performance • Low dielectric constant • High extrusion speeds & thin wall capability • Chemical resistance • Low temperature performance • Flexibility FEATURES SPECIFICATION Maxxam™ FR 0521-48 R1 Low smoke & fume, non-halogen UL 444 Maxxam™ FR 0587-21 R3 Halogenated to plenum performance UL 444 Optical Fiber Cables • Resistance to harsh environments, chemicals, & sunlight • Low temperature brittleness (LTB) resistance • Low smoke & toxicity • Flexibility • High extrusion speeds FEATURES SPECIFICATION ECCOH™ 6649 UV Low DD Low smoke & fume, non-halogen Meets customer-specific flame requirements Coaxial Cables • Flexibility • High extrusion speeds • Low dielectric constant • Uniform cell structure • Crush & heat resistance FEATURES SPECIFICATION Maxxam™ SY 89-22-7 Foamable Meets customer-specific flame requirements JACKETING FOR POWER & DATA CABLE SYSTEMS Low & Medium Voltage Jacketing • Resistance to harsh environments, chemicals, & UV degradation • Low temperature brittleness (LTB) resistance • Low smoke & toxicity • Flexibility • High extrusion speeds • Easily colored FEATURES SUBMARKETS & USES FireCon™ CPE 30-33 RoHS Black Flame retardant, flexible Building & construction, industrial, nuclear FireCon™ CPE 37-36 RoHS Black Flame retardant, flexible Building & construction, industrial, nuclear FireCon™ CPE 30-20 RoHS Natural Flame retardant, flexible Building & construction, industrial, nuclear ECCOH™ 5549 UV Low smoke & fume, non-halogen, flame retardant Building & construction, industrial ECCOH™ 6649 UV Low DD Low smoke & fume, non-halogen, flame retardant Optical fiber, ducts ECCOH™ 5981 UV Low smoke & fume, non-halogen, flame retardant Industrial, Teck 90 wire Synprene™ RT5180 Flame retardant, LTB resistance Building & construction, industrial Synprene™ RT5180UV Flame retardant, LTB resistance Building & construction, industrial Synprene™ RT3870M Flame retardant, LTB resistance Building & construction, industrial 1.844.4AVIENT www.avient.com Copyright © 2023, Avient Corporation.