Preete P. Nicolas P. Preete 42,932 P.

P-20 steel is typically used for mold bases and ejector plate, while H-13 steel is used for cavity and core plates. P-20 steel is typically used for mold bases and ejector plate, while H-13 steel is used for cavity and core plates. TPE Injection Molding Injection Compression Extrusion Range V is co si ty , P a. s Shear Rate, 1/s 10,000 1,000 100 Figure 15 illustrates the range of viscosity of GLS overmolding TPEs.

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. Manager Equipment Control - KLM-Martinair Avient Corporation 60 18 27 5 10 15 25 45 2023 2026 2029 2032 EMEA APAC Americas 11% CAGR 38 49 53 58 45 55 2023 2026 2029 2032 Source: NHTSA, Reuters Source: BloombergNEF Global Offshore Wind Installations M ile s P er G lo An nu In st la tio ns (i n Gi ga w at ts ) 1.

STOCK PERFORMANCE PolyOne’s stock performance has significantly outpaced the S&P 500 index and the S&P Mid Cap Chemicals index. 12.31.09 12.31.10 12.31.11 12.31.12 12.31.13 12.31.14 12.31.15 12.31.16 OPERATING INCOME % OF SALES Color, Additives & Inks PP&S Distribution Designed Structures & Solutions 2006 “Where we were” 1.7% 1.1% 5.5% 2.6% N/A 2016 “Where we are” 16.0% 14.3% 11.1% 6.4% -0.9% 2020 Platinum Vision 20% + 20% + 12–14% 6.5–7.5% 8–10% 500 400 300 200 100 P TA G POL S&P MID CAP CHEMICALS S&P 500 L D IV ID D $ /S RETURNING CASH TO SHAREHOLDERS .50 .40 .30 .20 .10 5+30+36+45+59+80+88+95 2.20 2.00 1.80 1.60 1.40 1.20 1.00 .80 .60 .40 .20 ADJUSTED EARNINGS PER SHARE*^ .S . PolyOne Stock Performance The following is a graph that compares the cumulative total shareholder returns for PolyOne’s common shares, the S&P 500 index and the S&P Mid Cap Chemicals index, with dividends assumed to be reinvested when received. The S&P Mid Cap Chemicals index includes a broad range of chemical manufacturers.

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