RC 14001®:2015 RC 14001® es una norma que combina la certificación ISO 14001 con requisitos adicionales para Chemical Responsible Care Management System® (RCMS), que incluye salud y seguridad, transporte, divulgación, seguridad, respuesta a emergencias, etc. Los sitios de producción de Avient Toluca, Santa Clara, Ciudad de Guatemala, Cota, Suzano, Buenos Aires y Santiago cumplen con los requisitos establecidos por la RC 14001®:2015 para actividades de apoyo a la empresa, diseño, fabricación y distribución de concentrados de color y aditivos, resinas termoplásticas y granulados, compuestos especiales y colorantes. El sitio de fabricación de Avient Toluca cumple con los requisitos establecidos por la norma IATF 16949:2016 para el diseño y fabricación de concentrados de color.

Vous pouvez obtenir des informations supplémentaires sur les composés de polyvinyle chloride, les plastifiants d'ester synthétique Synplast™, les colorants, et autres additifs en adressant votre courriel à QuebecROC@avient.com. Avient Canada ULC is a leading compounding and distribution company with operations in rigid and flexible Synplast™ synthetic esters (plasticizers), thermoplastic compounds, polymer coating systems, color additive systems, and thermoplastic resin distribution. For more information on Colorants, Additives and Synplast™ synthetic esters (plasticizers), please email us at QuebecROC@avient.com.

Versalloy formulations are recognized for their durability, desired surface quality, and easy colorability. Easily colored Versalloy™ XL TPV alloy grade delivers an FDA-compliant and color-matched solution for an automotive OEM

Rejoin™ PCR Masterbatch colorants for polyolefin packaging applications, launched earlier this year, are made with post-consumer recycled (PCR) polyolefin as a carrier resin. ColorMatrix™ Optica™ Toners & Colors, when added to PET and recycled PET (rPET) materials, correct and reduce the color variations and yellowing that occurs during the recycling process.

Color Card High temperature colorants for PEEK, PEI, PES, PPSU and PSU polymers Versaflex™ provides colorability and slip resistance in vacuum cleaner wheel 

Color Card High temperature colorants for PEEK, PEI, PES, PPSU and PSU polymers Versaflex™ provides colorability and slip resistance in vacuum cleaner wheel 

Color Card High temperature colorants for PEEK, PEI, PES, PPSU and PSU polymers Versaflex™ provides colorability and slip resistance in vacuum cleaner wheel 

They are based on management’s expectations that involve a number of business risks and uncertainties, any of which could cause actual results to differ materially from those expressed in or implied by the forward-looking statements. Management believes this provides comparability of the performance of the combined businesses. EPS (1) $0.14 $2.67 $3.04 2006 2018 2022PF TOP-TIER SUSTAINABILITY PERFORMANCE AND RECOGNITION Industry Sustainability Standards 90th percentile 84th ESG Ratings Performance 3 1 4 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 EBITDA 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% 10% 20% 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 F re e C as h F lo w C o n ve rs io n F re e C 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 2021 2022 $3.02 $3.04 2021 2022 FULL YEAR 2022 PERFORMANCE (TOTAL COMPANY PRO FORMA) 19 Sales Adjusted EBITDA $3,712 $3,653 2021 2022 -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 $2,355 Sales ($ in millions) $409 $402 EBITDA SEM Pro Forma $1,308 $1,300 Sales $278 $272 EBITDA (+4% excluding FX) - 2% -1% (+5% excluding FX) - 2% (+4% excluding FX) - 2% (+2% excluding FX) PRO FORMA FULL YEAR EPS BRIDGE 21 Pro Forma 2021 Adjusted EPS 3.02$ 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 EBITDA 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 Q1 FY $0.55 $2.40 Q1 FY 2023 GUIDANCE 24 Sales Adjusted EBITDA $845 $3,450 Q1 FY Adjusted EPS (in millions) (in millions) CASH FLOW / BALANCE SHEET 25 • IT investment to further integrate acquired businesses and capture operational efficiencies • Restructuring actions to streamline operations and improve profitability, primarily in Europe ($ 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 2016 2018 2020 2022 Long Term Growth Rate 10% Organic CAGR 10% HEALTHCARE $108 $113 $231 $293 2016 2018 2020 2022 Long Term Growth Rate 8-10% Organic CAGR 11% ASIA/EMERGING REGIONS $265 $358 $726 $830 2016 2018 2020 2022 Long Term Growth Rate 5% Organic CAGR 12% $340 $455 $790 2016 2018 2020 2022 $1,175 SUSTAINABLE SOLUTIONS Long Term Growth Rate 8-12% Organic CAGR 11% (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 Healthcare 8% Packaging 24% Consumer 20% Building & Construction 10% Industrial 15% Transportation 9% Energy 4% Telecom. 4% 2022 PF $3.65B sales Defense 6% 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) (1) $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 Formulators Other Specialty / Chemical Companies Source: Peer data per Bloomberg as of February 13, 2023 Note: Avient reflects 2023 estimated revenue of $3,450 and estimated run-rate CAPEX of $110M. 30 3 2 3 3 4 4 3 4 5 5 5 6 7 7 A vi en t K W R P P G F U L A V Y R P M F M C H U N H X L C E E C L A S H S C L E M N FREE CASH FLOW CONVERSION Source: Peer data per Bloomberg as of February 13, 2023 Note: Free cash flow conversion calculated as (Adjusted EBITDA – Capex) / Adjusted EBITDA.

Home printer OEM HOME PRINTER OEM R E C Y C L E D H I P S I N J E C T I O N C O V E R O F P R I N T E R • Provide PCR-based colorants for a more sustainable solution • Meet both color and mechanical requirements in PCR materials • Offer user-friendly PCR + Colorants solution to address the batch variance problem of PCR in an economical way • Offered revolutionary supply model of PCR + Colorants, ensuring precise quality and color • Helped customers solve the batch variance problem of PCR in a digital way and shortened the color-matching time with PCR Color Prediction Service • Provided on-site technical support to customer Rejoin PCR Colorants KEY REQUIREMENTS WHY AVIENT? AVIENT SOLUTION PCR BASED COLORANTS + QUALITY LEARN MORE Copyright © 2024, Avient Corporation. All Rights Reserved. https://www.avient.com/products/polymer-colorants/solid-color-masterbatches/rejoin-pcr-colorants Slide 1: Home printer OEM

Coloring PCR brings further challenges. A challenge faced when coloring PCR resins include recyclate materials with an undertone or opacity that can restrict color options in PET, rPET and rPP. A NEW PCR COLORATION TOOL Avient has developed a digital tool to help assess the impact of colored, recycled resins (PCR) prior to laboratory trials.