Continue fostering our Great Place to Work® culture Strategic Objectives Long Term Growth Rates Growth Drivers $340 $455 $790 $1,120 $51 $84 $212 $650 $108 $113 $231 $230 $265 $358 $726 $730 8-12% 8-10% 8-10% 5% Sustainable Solutions Composites Healthcare Asia/Emerging Regions Profitable Growth Great Place to Work 5.4% 10.9% 2006 2014 2023E EBITDA Margins $0.14 $1.93 2006 2014 2023E TOP-TIER SUSTAINABILITY PERFORMANCE AND RECOGNITION Industry Sustainability Standards ESG Ratings Performance 1 3 5 87th 94th percentile 5 Innovation is the lifeblood of a specialty company. GUIDANCE $800 $754 $128 $123 Sales Adjusted EBITDA $0.56 $0.57 13 • Demand impacted by destocking and cautious customer sentiment • Positive net price benefit: o CAI - Pricing flat and raw material deflation o SEM - Pricing flat with unfavorable mix related to healthcare, more than offset with raw material deflation • Cost reductions driven by Clariant synergies and reduced administrative costs Q3 EBITDA BRIDGE ($ millions) CAI: Price / Mix -) Deflation 22) SEM: Price / Mix (6) Deflation 13) Net Price Benefit 29) Cost Reductions 13) Wage Inflation (8) FX 1) Q3 2023 Actual $ 123) Adjusted EBITDA Q3 2022 Pro Forma $ 137) Demand (49) 14 2023 G U I DAN CE Q4 2023 GUIDANCE VS. PRIOR YEAR $790 $710 2022 2023 $107 $112 2022 2023 Sales Adjusted EBITDA $0.42 $0.47 2022 PF 2023 - 10% + 5% + 12% Sales Adjusted EBITDA Adjusted EPS 16 $112 $500 $0.47 Q4 AND FULL YEAR 2023 GUIDANCE $710 $3,130 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 S U S TAI NABI L I T Y DAY RE CAP 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% 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 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% 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 CREATING A WORLD-CLASS SUSTAINABLE ORGANIZATION 23 PEER COMPARISONS AVIENT IS ASSET LIGHT Capex / Revenue 2023E (%) Avient Specialty Other Specialty / Note: Avient reflects 2023 estimated revenue of $3,130 and estimated run-rate CAPEX of $110M. 26 3.5 1.8 2.7 3.1 3.3 3.7 3.0 3.7 4.7 4.8 6.8 6.8 8.7 11.1 Av ie nt AV PM FM N C FREE CASH FLOW CONVERSION Note: Free cash flow conversion calculated as (Adjusted EBITDA – Capex) / Adjusted EBITDA.

Provide the luxury, beauty and high-tech features your customers demand to see and feel. Provide the luxury, beauty and high-tech features your customers demand to see and feel.

Gravi-Tech™ Lead Replacement Formulations Density Modified Formulations: Gravi-Tech™

Avient Launches New Stat-Tech™ TPEs & PTFE-Free LubriOne™ Internally Lubricated Formulations Fakuma 2023   NEW Stat-Tech™ TPE Static Dissipative & Electrically Conductive Thermoplastic Elastomers – Formulated to offer electrical resistivity from 10⁰Ω to 10¹⁰Ω.

Now marketed under the Ruger® ARX® line of ammunition, the projectiles feature a patentpending flute design molded from Gravi-Tech™ High Density Composite material. PolyOne developed a specific Gravi-Tech formulation that makes it possible to produce the unique geometry of the bullet while maintaining balance and weighting requirements to deliver higher velocity and more efficient energy transfer.

Stat-Tech™ Static Dissipative and Electrically Conductive Formulations Injection molding parameters, startup and shutdown, mold design and troubleshooting recommendations for Stat-Tech™ Static Dissipative and Conductive Formulations

Stat-Tech™ Static Dissipative and Electrically Conductive Formulations Injection molding parameters, startup and shutdown, mold design and troubleshooting recommendations for Stat-Tech™ Static Dissipative and Conductive Formulations

Stat-Tech™ Static Dissipative Formulations protected critical electronics from ESD while providing an environmental barrier Stat-Tech™ Static Dissipative & Electrically Conduction formulations provided flame retardant and anti-static solution for vacuum cleaner handle

Gravi-Tech™ Luxury Closure - (English & Spanish) Gravi-Tech™ replaces metal and maintains a high quality look and feel for luxury closure (English & Spanish language version)

How Avient Can Help Avient’s ultra-pure Stat-Tech™ Static Dissipative Formulations are polymeric formulations that combine select engineered resins with conductive additives such as carbon powder, carbon fiber, nickel-coated carbon fiber, and stainless steel fiber, that provide the precise level of electrical conductivity required for your application. Depending on your application’s performance needs, Avient can develop a custom Stat-Tech formulation to provide anti-static properties, dissipation, conduction, and electromagnetic and radio frequency interference (EMI/RFI) shielding.