By using Smartbatch FX metallic masterbatches, the molder was able to produce parts ready for assembly with no secondary processing required. PolyOne’s metallic-effect masterbatches can be incorporated into pre-colored compounds or dosed at a molding machine. Caption: Easily transition from paint to metallic-effect with Smartbatch™ FX masterbatch

184264 BKA LLDPE MASTERBATCH 193614 BNA LLDPE MASTERBATCH 193615 BNA LLDPE MASTERBATCH

212749 GN PE MASTERBATCH 252855 GY PA MASTERBATCH NP ABS MASTERBATCH

Masterbatch Solutions for Mosquito Nets Find out about the technology behind Avient’s antimosquito masterbatches for mosquito nets that support the fight against vector born diseases like malaria Low-concern masterbatches that protect wire and cable from rats and termites

Quality Masterbatches for Spun-Dyed PP The Remafin Fiber Colorants for PP range includes black, white, single pigment dispersion and custom color masterbatches for spun-dyed polypropylene. Discover our color masterbatch portfolio for spun-dyed polyester and polyamide.

360959 GN TPU MASTERBATCH 374092 RD ABS MASTERBATCH 374095 PU ABS MASTERBATCH

228987 PK PET MASTERBATCH 228988 BL PET MASTERBATCH 228989 GY PET MASTERBATCH

228988 BL PET MASTERBATCH 291103 BN PE MASTERBATCH 301751 OR PA MASTERBATCH

Moh previously worked at Bayerand Clariant, where he served in various commercial leadership roles.

EPS $0.14 $2.67 $3.04 TOP-TIER SUSTAINABILITY PERFORMANCE AND RECOGNITION Industry Sustainability Standards 90th percentile 84th ESG Ratings Performance 1 14 PEOPLE C U L T U R E I S E V E R Y T H I N G Community Service 7x Safer than Industry Average World-Class Safety Leadership Development Over $17 million raised since 2010 Diversity & Inclusion 15 2022 RE SU LT S Q4 EBITDA BRIDGE (PRO FORMA TOTAL COMPANY) 17 $ millions CAI: Price / Mix 42 Inflation (20) SEM: Price / Mix 14 Inflation (10) Net Price Benefit 26 Wage and Energy Inflation (13) Clariant Color Integration Synergies 4 Incentives, Other Employee Costs 21 FX (10) Q4 2022 $107 Adjusted Q4 2021 $ 132 Demand (50) Russia Import Sales (3) • Demand contraction especially prevalent in EMEA and Asia • Pricing continues to cover inflation of raw materials, wages and energy PROVEN TRACK RECORD OF STRONG AND IMPROVING FREE CASH FLOW GENERATION 18 • Periods of economic weakness have driven higher levels of cash generation due to working capital management • Anticipate continued strong free cash flow generation and conversion despite global uncertainty 78% 78% 80% 80% 81% 78% 84% 83% 80% 0% 30% 40% 50% 60% 70% 80% 90% 2014 2015 2016 2017 2018 2019 2020 2021 2022 0 50 100 150 200 250 300 350 400 re e as h F lo w C o n ve rs io n re e as h F lo w FCF $ AVNT FCF Conversion % S&P FCF Conversion % Note: Free cash flow conversion calculated as (Adjusted EBITDA – Capex) / Adjusted EBITDA. 2020 is pro forma for Clariant Color and 2022 is pro forma for Avient Protective Materials $600 $592 $3.02 $3.04 FULL YEAR 2022 PERFORMANCE (TOTAL COMPANY PRO FORMA) 19 Sales Adjusted EBITDA $3,712 $3,653 -2% Adjusted EPS -1% + 1% (in millions) (in millions) (+4% excluding FX) (+5% excluding FX) (+9% excluding FX) FULL YEAR 2022 SEGMENT PERFORMANCE 20 CAI $2,402 $2,355 $409 $402 SEM Pro Forma $1,308 $1,300 $278 $272 (+4% excluding FX) - 2% -1% (+5% excluding FX) - 2% (+4% excluding FX) - 2% (+2% excluding FX) PRO FORMA FULL YEAR EPS BRIDGE 21 Pro Forma 2021 Adjusted EPS 3.02$ Foreign Currency (0.23) Russia Import Sales (0.07) Outdoor High Performance (0.13) Color, Additives and Inks 0.18 Specialty Engineered Materials 0.24 Corporate Costs / Other 0.03 Pro Forma 2022 Adjusted EPS 3.04$ FULL YEAR EBITDA BRIDGE (PRO FORMA TOTAL COMPANY) 22 $ millions CAI: Price / Mix 247 Inflation (176) SEM: Price / Mix 121 Inflation (77) Net Price Benefit 115 Wage and Energy Inflation (47) Clariant Color Integration Synergies 23 Incentives, Other Employee Costs 43 FX (34) Full Year 2022 $592 Adjusted Full Year 2021 $ 600 Demand (99) Russia Import Sales (9) • Demand primarily impacted by China lockdowns, 4th quarter industrywide destocking and declining consumer sentiment • Pricing outpaced inflation of raw materials, wages and energy 2023 G U IDA N CE $125 $530 $0.55 $2.40 2023 GUIDANCE 24 Sales Adjusted EBITDA $845 $3,450 Adjusted EPS (in millions) (in millions) CASH FLOW / BALANCE SHEET 25 • IT investment to further integrate acquired businesses and capture operational efficiencies • Restructuring actions to streamline operations and improve profitability, primarily in Europe ($ millions) 2023E Cash Flow from Operating Activities 350$ Less: Run-Rate CapEx (110) CapEx for IT System Upgrade (25) CapEx for Restructuring (15) Total CapEx (150) Free Cash Flow 200$ Adjusted EBITDA 530$ Net Debt / Adjusted EBITDA 2.9x K E Y G R O W T H D R I V E R S A N D T R A N S F O R M E D P O R T F O L I O GROWTH DRIVERS: PROVEN SUCCESS 27 (1) Pro forma for the acquisition of Avient Protective Materials (APM) COMPOSITES $51 $84 $212 $668 HEALTHCARE $108 $113 $231 $293 8-10% ASIA/EMERGING REGIONS $265 $358 $726 $830 $340 $455 $790 $1,175 SUSTAINABLE SOLUTIONS 8-12% (1) (1)(1) (Sales in $ millions) #1 Color Formulator Dyneema® - World’s Strongest Fiber™ #1 in Composites applications for outdoor high performance #1 in Performance Inks Customized solutions 140+ PhDs on staff Rapid development of innovative products Extensive patent (2,500+) portfolio 33% Vitality Index Better-positioned toward stable, high-growth end markets Consumer, packaging, healthcare and defense comprise nearly 60% of sales Agnostic to raw materials, helping all customers achieve their goals Broad portfolio of diversified sustainable solutions 90%+ of our innovation pipeline invested in sustainable solutions Long-term growth rate well above GDP with expectations of 8-12% LEVERAGING OUR TRANSFORMED PORTFOLIO 28 Building & 4% Telecom. 2022 PF $3.65B sales Leading Positions Sustainable SolutionsDiversified IndustriesSpecialty Formulator (1) 2022 Pro forma for the acquisition of Avient Protective Materials (2) 2020 Pro forma for the acquisition of Clariant Color (1)(2) $340M $455M $790M 2016 2018 2020PF 2022PF $1,175M P EE R C O M PAR IS O N S AVIENT IS ASSET LIGHT Capex / Revenue 2023E (%) Avient Specialty Other Specialty / Note: Avient reflects 2023 estimated revenue of $3,450 and estimated run-rate CAPEX of $110M. 30 2 4 4 5 5 5 6 7 7 FREE CASH FLOW CONVERSION Note: Free cash flow conversion calculated as (Adjusted EBITDA – Capex) / Adjusted EBITDA.