70367LBFF EPIC TOP SCORE LIME SHOCK

XDW01544B EPIC TOP SCORE WHITE

What our customers will see: In mid-April 2014, our newly formulated or significantly reformulated U.S. and European solutions will be accompanied by a new GHS-formatted MSDS (CLP classification in Europe).

Assess top 90% of supplier spend for alignment with Avient Sustainability objectives. Fiber Technology Barrier Technologies Avient Corporation 107 We are breaking ground on a new innovation center adjacent to our manufacturing facility in Pune • Focused on investments in both R&D resource additions and capital investments • Platform development in new disruptive markets to support core business and strategy ISHA Avient Manufacturing Site, Pune, India India Innovation Center Innovative Sustainable Holistic Accelerator (ISHA) Avient Corporation 108 2021E 2022E 2023E 2024E 2025E $1.1B $1.6B Growth Through Innovation Avient Corporation 109 Total CAI and SEMWorld-Class Vitality Index % of revenue from products launched last five years 12% 35% 2006 2021E Revenue from new products Investor Day 2021 Summary Jamie Beggs Avient Corporation 110 $442 $457 $580 2019PF 2020PF 2021E $1.74 $1.93 $3.00 2019PF 2020PF 2021E Full Year 2019 – 2021 Organic Growth ( T O TA L C O M PA N Y ) Sales Adjusted EBITDA $3,981 $3,783 $4,750 2019PF 2020PF 2021E + 19% Adjusted EPS (1) Financial information is pro forma to include a full year of Clariant Color acquisition (1) (1) (in millions) (in millions) (1)(1) + 31% + 72% (1) (1) Avient Corporation 111 2021 Sales Growth Summary Key Growth Drivers Segments (1) Financial information is pro forma to include a full year of Clariant Color business acquisition Sales Growth Rate 2020 Proforma 3,783$ Sustainable Solutions 140 18% Healthcare 150 31% Composites 44 33% Growth in Asia / LATAM 103 21% Other 530 28% 2021 Estimated 4,750$ 26% (1) (1) Sales Growth Rate 2020 Proforma 3,783$ Color, Additives & Inks 330 16% Specialty Engineered Materials 195 28% Distribution 495 45% Corporate & Eliminations (53) 2021 Estimated 4,750$ 26% Avient Corporation 112 Year–to–date EBITDA Bridge 2020 September YTD $ 339 Demand 132 Adjusted EBITDA($ millions) (1) Financial information is pro forma to include a full year of Clariant Color business acquisition (1) CAI: Price / Mix 96 Inflation (74) SEM: Price / Mix 61 Inflation (45) Distribution: Price / Mix 204 Inflation (195) Net Price Benefit 47 Supply Chain Disruptions (38) COVID Response Applications (11) Synergies 34 Incentives, Travel, FX, Other (48) 2021 September YTD $ 455     • Demand driven by growth in sustainable solutions, healthcare and consumer applications • Price increases have more than covered raw material and freight inflation impacts of $300M year- to-date compared to 2020 • Synergy capture on pace to achieve $52M in annual savings in 2021 Avient Corporation 113 2006 2021E $1,110 $3,000 Return on Invested Capital Avient Corporation 114 Invested Capital 2006 Current 11% 8% Cost of Capital 2006 2021E 5% 12% ROIC (after-tax) ($ millions) 0.1 0.1 0.2 0.5 0.6 0.7 0.8 0.9 0.9 1.0 1.0 11 12 13 14 15 16 17 18 19 20 21 44% 98% YTD 5 - YR 10 - YR 0.16 0.20 0.26 0.34 0.42 0.50 0.58 0.72 0.79 0.81 0.85 0.95 11 12 13 14 15 16 17 18 19 20 21 22 2.1x Q4 NET LEVERAGE ~$1Bn REPURCHASED OVER LAST 10 YEARS ~$450MM PAID OVER LAST 11 YEARS Creating Value for Shareholders Avient Corporation 115 Share Performance Dividends Share Repurchases Deleveraging 3.5x 2.1x 2019PF 2021E Growing Dividend Cumulative Buybacks Net Leverage $ B n $ p e r sh a re Total Shareholder Return ~$4.3Bn MARKET CAP INCREASE OVER LAST 10 YEARS (1) Share performance includes reinvested dividends and is as of December 2, 2021 (2) Financial information is pro forma to include a full year of Clariant Color acquisition (1) (2) 528% Shaping a Sustainable Future… Avient Corporation 116 What We Shared Today S US TAINAB LE S OLU TI ONS $340 $930 2016 2021E Brand Owner Commitment 3 2021E 2025E 10 – 50 Percent of recycled plastic used Avient Historic Growth Future Growth Assumptions 13% organic CAGR Net Sales ($ millions) Avient Corporation 117 8-12% CAGR What We Shared Today HE A LT HCARE $225 $685 2010 2021E Megatrend Growth Rate 17,645 29,445 2021E 2025E Avient Historic Growth Future Growth Assumptions 9% organic CAGR Source: BCC Research, Nov. 2020 11% CAGR Market for Medical Plastics (millions of LBs) Figures above include relevant Sustainable Solutions sales Avient Corporation 118 Net Sales ($ millions) 8-10% CAGR What We Shared Today C OMP OSI TE S $74 $260 2017 2021E 11% organic CAGR Figures above include relevant Sustainable Solutions sales Avient Corporation 119 Avient Historic Growth Future Growth Assumptions Net Sales ($ millions) 5G Capacity and Demand Source: Mobile Experts: 5G Millimeter Wave 2019: Radio Architecture and Outlook, March 2019 0 1 2 3 4 5 6 7 2019 2020 2021 2022 2023 2024 2025 2026 2027 D e n se U rb a n C a p a c ity ( G B /m o .) Capacity below 6GHz 5G mm-wave capacity Demand (GB/mo) B B B B B B B B 10% CAGR Megatrend Growth Rate What We Shared Today A SI A AN D L AT I N A ME RI CA $210 $1,150 2010 2021E Weighted Avg.

MAJOR TIER 1 SUPPLIER C O N N E C T O R C O V E R • EMI-shielding performance at frequencies from 30 MHz up to 2 GHz • Excellent dimensional stability • Must meet robust mechanical property targets including tensile strength and elongation at break • Worked in close collaboration with the OEM from the start of the development process in order to fully understand their key requirements • Developed a customized material providing the required EMI-shielding performance which, removing the need for secondary metallization manufacturing processes, reduced cycle time Surround™ NN- 14 NICF SIP Black Formulation KEY REQUIREMENTS WHY AVIENT?

KEY REQUIREMENTS • Post-consumer recycled material to reduce carbon footprint • Maintain high transparent color even after using recycled PC • Stable color range and strict black spot control https://www.avient.com/products/engineered-polymer-formulations/eco-conscious-formulations/resound-r-pc-recycled-polycarbonate-solutions

MAJOR AUTOMOTIVE OEM R O O F R A C K • Impact resistance • UV stability over time • Color match to specific black color • Developed a supply chain agreement to ensure reliable supply and mitigate risk • Provided just-in-time delivery to help the customer keep working capital low and maximize warehouse space • Provided a product that supports sustainability to potentially enhance the marketplace appeal of the customer’s end product Nymax™ REC Recycled Nylon Formulation KEY REQUIREMENTS WHY AVIENT?

M I L I TA RY A N D TA C T I C A L G E A R M A N U FA C T U R E R H O L S T E R • Impact resistance in all temperatures • Strength • Ductility • UV resistance • Easy to process • Color match to specific black color • Supported material selection and provided technical processing expertise through our application development and technical service team • Enabled two-day delivery through regional stocking strategies Nymax™ REC Post-Industrial Recycled Nylon Formulation KEY REQUIREMENTS WHY AVIENT?

R E F O R M D E S I G N L A B B I O - B A S E D D E S I G N F U R N I T U R E • Matt black color in cellulose fiber filled PLA • 3D-printable material • Possible outdoor use • Fast development to adapt to online requests • Developed custom products that fulfill color, appearance, UV stabilization and material requirements • Provided fast support to answer evolving online demands • Offered small and flexible quantities and suggestions for further colors OnColor™ custom masterbatch and engineered material KEY REQUIREMENTS WHY AVIENT?

Safety and Health The top priority at Avient is the safety and health of our associates, and our ultimate goal is to operate injury free. Our Board sets the appropriate “tone at the top” when it comes to risk tolerance and management. Because Covered Years are presented in the table in reverse chronical order (from top to bottom), the table should be read from bottom to top for purposes of understanding cumulative returns over time