Maintain asset-light, 80% free cash flow conversion profile and be valued as a specialty formulator 5. PRIOR YEAR $790 $710 2022 2023 $107 $112 2022 2023 Sales Adjusted EBITDA (in millions) $0.42 $0.47 2022 PF 2023 Adjusted EPS (in millions) - 10% + 5% + 12% Sales Adjusted EBITDA Adjusted EPS 16 $112 $500 Q4 FY $0.47 $2.30 Q4 FY Q4 AND FULL YEAR 2023 GUIDANCE $710 $3,130 Q4 FY Sales Adjusted EBITDA Adjusted EPS 17 (in millions) (in millions) Guidance: Free Cash Flow $180 $180 Prior Guidance Guidance FREE CASH FLOW & INCREASED DIVIDEND 13th Consecutive Dividend Increase 0.16 0.26 0.42 0.58 0.79 0.85 0.99 1.03 2011 2013 2015 2017 2019 2021 2023 2024 18 S U S T A I N A B I L I T Y D AY R E C A P SUSTAINABILITY AS A GROWTH DRIVERLONG-TERM REVENUE GROWTH DRIVERS 60%+ Key Growth Drivers Sustainable Solutions Composites, Healthcare, Asia / LATAM Overlap Other (GDP Growth) Total Company Revenue Growth Drivers Long-Term Growth Rate Sustainable Solutions 8–12% Composites 8–10% Healthcare 8–10% Asia / LATAM 5% Other (GDP growth) 0–2% Avient 6% 20 SUSTAINABILITY TRENDS DRIVE LONG-TERM GROWTH 8-12% Long Term Growth 50 90 2022 2030 Medical Plastics Market Size (in $Billions) 2020 2030 Recycled Plastics Virgin Plastics Growing Demand for Recycled Content Avient Sustainable Solutions 18 46 2023 2032 Global Offshore Annual Wind Installations (in Gigawatts) Sources: McKinsey, Bloomberg, Grand View Research SUSTAINABILITY TRENDS DRIVE LONG-TERM GROWTH 21 • 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% 2006 2018 2023E Recovery Growth Drivers Strategic Objective 20%+ +1%+ +3%+ ADJUSTED EBITDA MARGIN EXPANSION 22 • 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 CRE AT ING A WORL D-CL AS S S US TAINABL E ORGANIZ AT ION 23 PEER COMPARISONS AVIENT IS ASSET LIGHT Capex / Revenue 2023E (%) Avient Specialty Formulators Other Specialty / Chemical Companies Source: Peer data per Bloomberg as of October 27, 2023 Note: Avient reflects 2023 estimated revenue of $3,130 and estimated run-rate CAPEX of $110M. 26 3.5 1.8 2.7 3.0 3.4 3.7 2.8 3.7 4.6 5.0 6.9 7.0 8.6 11.1 A vi en t K W R FU L P P G A V Y R P M FM C H U N C E E C L A S H H X L E M N S C L FREE CASH FLOW CONVERSION Source: Peer data per Bloomberg as of October 27, 2023 Note: Free cash flow conversion calculated as (Adjusted EBITDA – Capex) / Adjusted EBITDA.

Avient Extends Recycled TPE Portfolio with Grades Containing up to 60% Recycled Content, Supporting Global Customers  NEW reSound™ REC GP 7820 TPEs: new grades containing up to 60% recycled content from either PCR streams or a combination of PCR and post-industrial recycled (PIR) raw materials, offering a reduced product carbon footprint (PCF) compared to virgin TPEs. RECENTLY LAUNCHED reSound™ REC AF 7210 TPEs: specifically developed for automotive interior applications, these new TPE grades from Avient contain 51-59% recycled content, with a minimum of 37% of that content from PCR sources, including closed-loop feedstock.

Recycled content TPEs for enhanced sustainability Recycled content TPEs for enhanced sustainability

PolyOne Acquires Certain TPE Assets from Kraton CLEVELAND, Feb. 3, 2016 /PRNewswire/ -- Expanding on its global footprint and expertise in thermoplastic elastomer (TPE) innovation and design,

Avient Introduces Versaflex™ TF Adhesive TPEs for Textile Fabrics Avient Introduces Versaflex™ TF Adhesive TPE Solutions for Athletic Textile Fabrics   To download a high-resolution image, please click here

Avient Features TPEs for Food Contact and Sustainability at Cekexpo 2020 Avient Launches Medical TPE Grades Formulated Without Animal Derivatives

Avient’s Onflex™ Lo TPE and Maxxam™ engineered material formulations are used for interior HVAC air flaps, trays, console carrier and instrument panels, and related interior parts. Onflex™ Lo TPE helped the same customer replace traditional PU foaming materials for HVAC sealing components, which greatly improved the VOC levels to meet local vehicle interior air quality standards.

Avient Expands reSound™ TPE Portfolio With New Grade Formulated With FDA-Reviewed, Post-Consumer Recycled Material Caption: Avient expands reSound™ TPE portfolio with a grade formulated using post-consumer recycled content that received No Objection Letter from U

Available in North America, injection-moldable reSound™ REC TPEs utilize 9-83% recycled content, and both grades can be overmolded onto polypropylene (PP). These TPE grades, formulated for consumer applications, can be used in personal care products, lawn and garden tools, outdoor goods, office supplies, footwear, and houseware durables.

PolyOne Improves Vehicle Interior Air Quality with OnFlex™ LO TPEs DŰSSELDORF, Germany – PolyOne is featuring new OnFlex™ LO thermoplastic elastomers (TPEs) today at K 2016 (Hall 8a, Stand J15K).