added, "We will provide more details on our upcoming webcast, but our headline projection for 2021 is that we expect revenue growth of approximately 8% pro forma will drive adjusted EPS expansion from Light-weighting solutions that replace heavier traditional materials like metal, glass and wood, which can improve fuel efficiency in all modes of transportation

This reflects the confidence we have in our ability to continue to deliver consistent free cash flow, but more importantly to drive long-term earnings growth from the areas of focus we highlighted at our Sustainability Day in September." Light-weighting solutions that replace heavier traditional materials like metal, glass and wood, which can improve fuel efficiency in all modes of transportation and reduce carbon footprint

Investor Day to be held December 9th in New York City will highlight sustainable solutions portfolio and innovation to drive future growth Light-weighting solutions that replace heavier traditional materials like metal, glass and wood, which can improve fuel efficiency in all modes of transportation and reduce

sustainable solutions portfolio and the demand trends that will drive long-term growth Light-weighting solutions that replace heavier traditional materials like metal, glass and wood, which can improve fuel efficiency in all modes of transportation and reduce carbon footprint

WHAT WE DO: WE ARE A FORMULATOR CUSTOM FORMULATION 6 N OVE MBE R 2 , 2023 W E BCAS T P RE S E N TAT 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 CROSS SELLING OPPORTUNITIES Wired Connections CONSTANT COMMUNICATION Syncure™ Cross-linkable Wire & Cable Formulations9 10 AVIENT PROTECTIVE MATERIALS CROSS SELLING OPPORTUNITIES 10 Q 3 P E RFO RMAN CE 15.4% 16.3% 2022 PF 2023 Results 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.

Our hallmark programs of NextGen and PolyMasters continue to develop tomorrow’s leaders today, and in 2019 we launched a new program called ENGAGE, which connects our front-line manufacturing associates to our culture, customers and co-workers to drive future engagement and performance. M&A remains a key component of maintaining material science competitiveness that can enable our customers’ sustainability goals and in turn drive performance at PolyOne. Our United Way campaign remains an important financial driving force as well, and since 2007 our associates in North America have given generously, raising more than $14 million.

The increase in single serve dairy products is driving the need for differentiation through package design Brands are looking to drive value and growth with single serve dairy products, which require more differentiated packaging developed with consumption in mind.

We believe there are significant opportunities for us to drive profitable organic revenue growth and innovation, leveraging our culture of strong customer focus and portfolio of differentiated technologies. Light-weighting solutions that replace heavier traditional materials like metal, glass and wood, which can improve fuel efficiency in all modes of transportation and reduce carbon footprint

We are focused on driving profitable, organic, top-line growth while expanding margins," added Light-weighting solutions that replace heavier traditional materials like metal, glass and wood, which can improve fuel efficiency in all modes of transportation and reduce carbon footprint

I am very pleased with the investments we have made in composites and wire and cable applications, which helped drive this growth.  Light-weighting solutions that replace heavier traditional materials like metal, glass and wood, which can improve fuel efficiency in all modes of transportation