ECCOH™ Thermoplastic Formulation provided anti-fungi and flame retardant solutions to optical cable sheath ECCOH™ 6151 LSFOH Formulations improved processing and delivered consistent flame retardancy for loose tube telecommunications cable Maxxam™ FR Formulation provided flame retardent and HDPE based solution for power tool battery pack

ECCOH™ Thermoplastic Formulation provided anti-fungi and flame retardant solutions to optical cable sheath ECCOH™ 6151 LSFOH Formulations improved processing and delivered consistent flame retardancy for loose tube telecommunications cable Maxxam™ FR Formulation provided flame retardent and HDPE based solution for power tool battery pack

ECCOH™ Thermoplastic Formulation provided anti-fungi and flame retardant solutions to optical cable sheath ECCOH™ 6151 LSFOH Formulations improved processing and delivered consistent flame retardancy for loose tube telecommunications cable Maxxam™ FR Formulation provided flame retardent and HDPE based solution for power tool battery pack

RECOMENDACIONES DE PROCESO Syncure™ XLPE RECOMENDACIONES GENERALES PARA EXTRUSIÓN La resina no se puede secar; tiene una vida útil de 6 meses si se almacena cerrada en un lugar fresco y seco, y debe consumirse después de su apertura. Processing conditions can cause material properties to shift from the values stated in the information. Avient makes no warranties or guarantees respecting suitability of either Avient’s products or the information for your process or end-use application.

The non-GAAP financial measures include Free Cash Flow and Adjusted EBITDA Margin. Avient does not provide reconciliations of forward-looking non-GAAP financial measures, such as outlook for Adjusted EBITDA and Free Cash Flow, to the most comparable GAAP financial measures on a forward-looking basis because Avient is unable to provide a meaningful or accurate calculation or estimation of reconciling items and the information is not available without unreasonable effort. DISCLAIMER Avient Corporation 3 Avient Corporation 4 Welcome Chairman, President, and Chief Executive Officer INTRODUCTION Sustainability for a Better Tomorrow Senior Vice President and Chief Financial Officer Avient Corporation 5 WE ARE A FORMULATOR CUSTOM FORMULATION Avient Corporation 6 Avient Corporation 7 WE ARE INNOVATORS 2,500+ ACTIVE PATENT FILINGS WORLDWIDE 1,100+ RESEARCH AND DEVELOPMENT ASSOCIATES >85% Stage-gate technology projects enable sustainable solutions INDIA INNOVATION CENTER 33% 2022 VITALITY INDEX 140+ MATERIAL SCIENCE PhD ASSOCIATES Avient Corporation 8 3% 3% 5% Avient Specialty Formulators Other Specialty / Chemical Companies CAPEX / Revenue 2023E Global footprint enables greater flexibility to exceed needs of customers and deliver localized technical and formulation expertise 9 36 24 Manufacturing Locations by Region WE ARE ASSET LIGHT Note: Free cash flow conversion calculated as (Adjusted EBITDA – Capex) / Adjusted EBITDA Avient Corporation 9 Asset-light flexibility enables more nimble manufacturing capabilities and lower overhead Periods of economic weakness have driven higher levels of cash generation due to working capital improvement PROVEN TRACK RECORD OF HIGH FREE CASH FLOW CONVERSION 80% 80% 81% 84% 83% 79% 50% 70% 2014 2015 2016 2017 2018 2019 2020 2021 2022 2023E 150 200 250 300 350 400 Fr ee C as h Fl ow C ve rs io Fr ee C as h Fl ow FCF $ AVNT FCF Conversion % S&P FCF Conversion % 2 Recent Divestitures - Combined $1.7B in Proceeds PORTFOLIO EVOLUTION Avient Corporation 10 Combined $3.6B Investment in Acquisitions Since 2016 Color Business Distribution 2016 2022 PORTFOLIO TRANSFORMATION 46% 87% 0% 20% 2005 2010 2015 2020 2023 % o f A dj us te d EB IT DA Commodity JVs Distribution Performance Products & Solutions Specialty Businesses Adjusted EBITDA from Specialty Applications Avient Corporation 11 END MARKET TRANSFORMATION Defense Avient Corporation 12 8% 23% 4% 2006 2023E Other Industri es 22% 56% 14% 43% 9% 2006 2023E Reduced Exposure to Cyclical End Markets End Market Diversification Transportation Building & Construction 57% Defense IMPROVING PROFITABILITY AND EXPANDING MARGINS Avient Corporation 13 Adj.

Simple to use, easy to print, from our proven technology platform From the Idea Center More Unlock Modular Construction Potential with Flame Retardant (FR) Composite Panels Learn why Hammerhead™ FR Composite Panels are an excellent choice for modular construction.

Contact an expert at Avient today to start the conversation. Unlock Modular Construction Potential with Flame Retardant (FR) Composite Panels Unlock Modular Construction Potential with Flame Retardant (FR) Composite Panels

Versaflex™ CE TPEs for portable audio speaker gaskets and skins protect audio components from water and dust while expanding design freedom. Resilience™ LS Vinyl Polymers are formulated to meet essential performance and aesthetic needs for LED luminaires, from flame resistance and clarity to highly reflective and uniform metallic color effects. Avient Announces Quarterly Dividend...

EQUIPMENT MANUFACTURER K I T C H E N E X T R A C T O R H O O D S • Halogen free to industry standards • Lower density • Good impact properties • Easy to process • Good cost/performance • Provided a non-halogenated solution while increasing the performance of the formerly used halogenated grade • Supported the project with various expertise in design (Avient Design), regulatory and technical support • Helped to reduce the system cost and make our customer more competitive in the market Maxxam™ FR Flame Retardant Polyolefin Formulations – NHFR Series KEY REQUIREMENTS WHY AVIENT? AVIENT SOLUTION NON-HALOGEN FLAME RETARDANTS LEARN MORE Copyright © 2023, Avient Corporation. All Rights Reserved https://www.avient.com/products/engineered-polymer-formulations/flame-retardant-formulations/maxxam-fr-flame-retardant-polyolefin-formulations Equipment manufacturer

Specialty Engineered Materials Wire & Cable Avient is here to help you consistently meet your flame retardant wire & cable product specification challenges head on. APPLICATIONS: Power cables, Ethernet category cables, industrial cables, solar installation cables, coaxial cables, fiber optics, hybrid cables SYNCURE™ Cross-Linked Polyethylene for Power Cable Insulation • Resistant to heat, oil, creep and abrasion • Fast extrusion speeds • UL 44 & UL 4703 flame performance • UL/CSA bulletins MAXXAM™ FR W&C Flame Retardant Polypropylene for Category Cable Insulation and Cross-Webs • Alternative to FEP • Low dielectric • Thin wall extrusion capabilities • UL 94 & plenum yellow card, V-2, V-0 & 5VA fire performance ratings FIRECON™ Flame Retardant Chlorinated Polyethylene for Industrial Cable Jackets • Resistance to harsh environments • Low temperature properties • UV resistance • UL 44 flame performance ECCOH™ LSFOH Low Smoke and Fume, Non-Halogen for Insulation and Jackets • Low smoke and toxicity • Improved fire safety • Resistance to chemicals • UL44 and CPR flame performance ADDITIONAL SOLUTIONS MAXXAM™ SY Foamed Polypropylene for Coaxial Cable Insulation SYNPRENE™ Flame Retardant Thermoplastic Elastomers POLYMIX™ Customer Proprietary Formulations For more information, please visit avient.com or call +1.844.4AVIENT (+1.844.428.4368). Processing conditions can cause material properties to shift from the values stated in the information.