WHAT WE DO: MATERIAL SCIENCE 4 CUSTOM FORMULATION We sell solutions not commodities. FX) 2022 GROWTH PROJECTIONS (TOTAL COMPANY) 23 $3.05 $3.50 2021 2022E Full Year – Adjusted EPS + 15% (+ 17% excluding FX) $0.89 $0.95 2021 2022E Q1 – Adjusted EPS + 7% (+ 10% excluding FX) ($ millions) Q1 Full Year Q1 Full Year 2021 - Actual 1,162$ 4,819$ 123$ 429$ Sustainable Solutions 27 110 12 44 Healthcare 15 66 4 13 Composites (excl.Outdoor High Performance) 11 29 5 13 Outdoor High Performance Applications (7) (20) (4) (10) Growth in Asia / LATAM 10 51 3 11 Other 57 115 9 12 Sub-total 1,275$ 5,170$ 152$ 512$ Wage Inflation and Overtime (12) (18) Other Supply Chain Costs (4) (7) FX Impact (25) (70) (4) (8) Synergies 4 15 Travel, Other Employee Costs (1) (4) 2022 - Estimated 1,250$ 5,100$ 135$ 490$ Sales Adjusted Operating Income 2022 SALES AND OI – Q1 AND FULL YEAR (TOTAL COMPANY) 24 ($ millions) 2021 2022E Cash Flow from Operating Activities 234$ 385$ Less: Run-Rate CapEx (86) (90) CapEx for Clariant Integration (15) (20) CapEx for IT System Upgrade - (25) Total CapEx (101) (135) Free Cash Flow 133$ 250$ Adjusted EBITDA 581$ 635$ Net Debt / Adjusted EBITDA 2.2x 1.8x 25 CASH FLOW / LEVERAGE 26 • Record results – highest level of sales ($4.8B) and earnings ($3.05 adjusted EPS) in company history • Successful Clariant Color integration – net debt to adjusted EBITDA reduced to 2.2x, one-year ahead of schedule • Recognized as one of America’s Most Responsible Companies by Newsweek • Earned 3rd consecutive Great Place to Work certification 2021 HIGHLIGHTS 27 • 15% adjusted EPS growth to $3.50, led by growth in sustainable solutions and increased synergy realization • Continued strong synergy capture from the Clariant Color integration: $75M anticipated run-rate synergies by the end of 2022 • Adjusted EBITDA of $635M represents 9% growth above 2021 – 11% excluding the impact of foreign currencies • Deleveraged to 1.8x net debt to adjusted EBITDA by the end of 2022 2022 SUMMARY PEER COMPARISONS 29 As a specialty formulator, we don’t require significant capital investment, as compared to the base resin raw material suppliers we purchase from. Whether an additional line at an existing manufacturing plant, or a new facility in a growing region, we ramp-up quickly and cost-efficiently. 30 Capex / Revenue 2022E (%) AVIENT IS ASSET LIGHT Avient Specialty Formulators Other Chemical/Specialty Companies 2 3 2 2 3 3 4 3 3 5 5 5 7 7 7 A vi e nt A vi e nt ( E xc l.

Activity: Warehousing & Distribution Facility: Avon Lake Engineered Materials Producer Services Division Suppor 33587 Walker Road Avon Lake, OH 44012 U.S.A. Facility: 33587 Walker Road Avon Lake, OH 44012 U.S.A.

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The company’s product engineers developed specifications that included thermal conductivity in plane from 4 to 21 W/m.K (in compliance with ASTM E1461); glow wire resistance of 850°C/0.8mm (IEC 606095-2-12); and enough dimensional stability to allow it to be overmolded directly on LED components.

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A new In Vitro Diagnostic Regulation (IVDR) was officially passed by the EU Parliament on April 4, 2017 (EU 2017/746) and replaces the current IVD Directive.