Autoinjector Pen - Avient Application Study.mm (1) AUTO-INJECTOR APPLICATION STUDY M A T E R I A L T E C H N O L O G I E S + S E R V I C E S F O R N E X T G E N E R A T I O N D E S I G N S Avient Corporation 1 Avient Corporation 2 Innovating Design Medical innovations and plastics have gone hand-in-hand to make healthcare safer, cleaner, and more accessible for all.

Microsoft PowerPoint - AVNT Nov Investor Meetings Update AVIENT CORPORATION I N V E S TO R M E E T I N G S (NYSE: AVNT) N OV E M B E R 2 0 2 1 DISCLAIMER Forward-Looking Statements In this presentation, statements that are not reported financial results or other historical information are “forward-looking statements” within the meaning of the Private Securities Litigation Reform Act of 1995. Post-consumer recycled content as percentage of total plastic packaging volume, by weight ENABLING THE USE OF RECYCLED CONTENT T O P 5 G A P S T H A T W E A R E A D D R E S S I N G 2) DECONTAMINATION1) COLOR MANAGEMENT 3) MAINTAINING MECHANICAL PROPERTIES 4) MONO-MATERIAL CONSTRUCTION 5) CONSISTENT RECYCLED MATERIAL QUALITY 15 G U I D I N G B R A N D S T O W H A T I S P O S S I B L E CASE STUDY WITH BRAND OWNER Recycled ResinVirgin Resin 16 SUSTAINABILITY FOR A BETTER TOMORROW • Revenue from sustainable solutions expected to grow 18% in 2021 as our innovation efforts and collaboration with customers continues to accelerate • Investments centered around innovation and global sustainability megatrends o Enabling a circular economy – Technologies that allow for increased use of post-consumer recycled (PCR) material and improve recyclability of plastics o Light-weighting – Composites and CAI applications to reduce weight and material requirements, which minimize energy and carbon emissions o Eco-Conscious – Health and human safety applications as well as Avient’s alternative materials to replace lead, PVC, halogens, BPA and other less eco-friendly options *Avient Sustainable Solutions definitions aligned with FTC 2012 Guide for the Use of Environmental Marketing Claims (“Green Guides”) **2020 is Pro Forma to include full year of the Clariant Color business 2016 2017 2018 2019 2020PF** 2021E $405M $455M $340M $550M $790M Revenue From Sustainable Solutions* 2016-2021 $930M Q3 2020 $925 $74 Sustainable Solutions 35 19% 14 Healthcare 51 44% 10 Composites 13 39% 6 Growth in Asia / LATAM 14 11% 3 Other 177 39% 16 Sub-total $1,215 31% $123 Supply Chain Disruption Costs (19) COVID Response Applications (5) (3) FX Impact 10 2 Synergies 12 Incentives, Travel, Other Employee Costs (16) Q3 2021 $1,220 32% $99 Q3 2021 SALES AND OPERATING INCOME 18 Sales Growth Rate Operating Income$ millions 19 Q3 2020 Q3 2021 (1) Financial information is presented on a constant currency basis (44% of total revenue) (56% of total revenue) Q3 END MARKET SALES PERFORMANCE +20% +31% +40% +24% +46% +40% +14% +33% Energy Telecom Building & Transportation Industrial Healthcare Packaging Consumer Q3 YEAR-OVER-YEAR EBITDA BRIDGE 20 • Demand driven by growth in sustainable solutions, healthcare and consumer applications • Price increases more than offsets raw material and supply chain impacts • Synergy capture on pace to achieve $50M in annual savings in 2021 Q3 2020 $ 111 Demand 29 EBITDA$ millions CAI: Price / Mix 51 Inflation (37) SEM: Price / Mix 25 Inflation (22) Distribution: Price / Mix 108 Inflation (103) Net Price Benefit 22 Supply Chain Disruption Costs (19) COVID Response Applications (3) Synergies 12 Incentives, FX, Other (16) Q3 2021 $ 136 21 • Price increases have more than covered raw material and freight inflation impacts of $300M year- to-date compared to 2020 • Demand impact driven by Q3 seasonality for the business Q2 TO Q3 SEQUENTIAL EBITDA BRIDGE Q2 2021 $ 159 CAI: Price / Mix 17 Inflation (8) SEM: Price / Mix 6 Inflation (5) Distribution: Price / Mix 35 Inflation (35) Net Price Benefit 10 Supply Chain Disruption Costs (4) Demand / Seasonality (35) Other 6 Q3 2021 $ 136 EBITDA$ millions FU LL Y EA R 2021 O U T LO O K $308 $430 $1.93 $3.00 FULL YEAR GROWTH PROJECTIONS 23 Sales Adjusted Operating Income $3,783 $4,750 + 26% + 40% + 55% (1) Financial information is pro forma to include a full year of Clariant Color acquisition (1)(1)(1) $1.74 $1.93 $3.00 $442 $457 $580 FULL YEAR 2019 – 2021 GROWTH 24 Sales Adjusted EBITDA $3,981 $3,783 $4,750 + 19% (1) Financial information is pro forma to include a full year of Clariant Color acquisition (1) (1) (1)(1) + 31% + 72% (1) (1) 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 40% 99% 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 Share Performance Dividends Share Repurchases Deleveraging 3.5x 2.1x 2019PF 2021E Growing Dividend Cumulative Buybacks Net Leverage $B n $ p r sh ar Total Shareholder Return ~$4Bn MARKET CAP INCREASE OVER LAST 10 YEARS (1) Share performance includes reinvested dividends and is as of 10.25.2021 (2) Financial information is pro forma to include a full year of Clariant Color acquisition (2) 494% SUSTAINABILITY REPORT Continuous ESG Improvement 26 • Updated 2030 Sustainability Goals • Further disclosure on key Environmental, Social, and Governance impacts • Joined U.N. With the Clariant Color business acquisition and divestment of the PP&S business, our exposure is now concentrated in less-cyclical and high-growth markets, with increased geographic diversification and a more specialized portfolio that can significantly expand EBITDA margins. 33 Avient reflects 2021 estimated EBITDA of $580M OUR VALUATION VERSUS PEERS Avient Specialty Other 11.4 20.2 16.7 16.5 14.7 12.0 10.8 40.7 29.9 26.2 13.2 12.4 11.0 10.9 9.1 9.0 7.5 6.5 en t SUMMARY: WHY INVEST IN AVIENT?

Medical textile manufacturer MEDICAL TEXTILE MANUFACTURER A A M I S T A N D A R D G O W N S • Water repellent properties for nonwoven fabric • Fast and long-lasting water repellency • Usable in nonwoven SMS spunbond layer • Enhanced liquid repellency in spunbond layer • Eliminated the need for secondary water repellent coatings • Provided long lasting hydrophobic performance • Achieved IPA repellency grade 6 Cesa Fiber Additives Hydrophobic Solutions KEY REQUIREMENTS WHY AVIENT?

ANTENNA MANUFACTURER P H A S E S H I F T A N T E N N A • Achieved miniaturization through customized high dielectric constant (Dk) materials • Offered high Dk grades with superior processing window and stability compared to lower Dk ( < Dk6.0) grades • Verified dimensional and electrical stability would also meet needs of navigation system substrate to streamline sourcing Edgetek™ Formulations for 5G KEY REQUIREMENTS WHY AVIENT?

LOADING DOCK SHELTERS R E I N F O R C I N G S T A Y S Replacement for steel or composite stays to provide reliable seal from external environment: • Withstand repeated flex and twisting, pass rigorous proprietary flexural testing requirements • Maintain performance in extreme temperatures • Enabled repeated twisting and flexing without failure, up to 90˚ bends, due to exceptional mechanical properties • Customized finishing to meet specific shape and edge surface requirements • Improved supply reliability with product manufactured in Montrose, CO Gordon Composites™ Thermoset Composite Springs KEY REQUIREMENTS WHY AVIENT?

NEVER SUMMER S N O W B O A R D S • Lightweight reinforcement that combines both structure and flexibility • Corrosion and moisture resistant • Consistent, durable performance • Provided structural integrity with strong yet flexible composite materials • Prevented rot and corrosion in a waterproof core layer • Added fatigue and stress resistance for reliable performance and long product life • Simplified manufacturing with consolidated material, reducing VOCs and labor intensive composite lay-up assembly Gordon Composites™ thermoset laminates KEY REQUIREMENTS WHY AVIENT?

EXTERNAL FIXATOR DEVICE S T A B I L I Z I N G R O D S • Durable material that withstands everyday use • Light weight for easy customer handling • Precise stiffness to support load requirements and extend product lifetime • Maintained stiffness and straightness necessary for halo applications • Provided superior strength-to-weight ratio vs. metal • Appealed to aesthetics while maintaining high performance needs • Maximized user comfort via customized Avient Design services Glasforms™ Carbon Fiber Rods KEY REQUIREMENTS WHY AVIENT?

MEDICAL DEVICE MANUFACTURER D I S P O S A B L E M E D I C A L T R A Y • Excellent wear resistance that can sustain a minimum of 2,000 rotations • Withstand freezing temperature as low as -20°C • Can be sterilized by EtO • Delivered excellent wear resistance performance to fully meet customer’s request • Provided dimensional stability required for this medical application • Reduced friction to lower the noise during operation LubriOne™ Internally Lubricated Formulation KEY REQUIREMENTS WHY AVIENT?

Trilliant XR - CT and MRI Scanners MEDICAL DEVICE MANUFACTURER M R I A N D C T S C A N N E R S • Uniform shielding with no “hot spots” • X-ray shielding up to 140 KeV • Meet European Union’s Restriction of Hazardous Substances (RoHS) future compliance requirements • Provided a lead alternative solution that delivered improved geometric flexibility for more uniform radiation shielding • Lowered shielding component costs 30-50% by eliminating machining and assembly steps Trilliant™ XR Lead Replacement Thermoplastics KEY REQUIREMENTS WHY AVIENT?

CABLE MANUFACTURER L O O S E T U B E T E L E C O M S C A B L E • Low shrinkage (< 1%) • Consistent flame retardancy • Suitable gel resistance • Cold behaviour at - 40°C • Reduce total cost ownership • Improved processing compared to existing LSFOH material, increasing speed up to 800 m/min • Provided consultancy on processing parameters and tooling • Reduced cable thickness to 0.1mm & reduced shrinkage • Enabled customer to enter into new applications and cable designs due to the versatility of the material ECCOH™ 6151 LSFOH Formulations KEY REQUIREMENTS WHY AVIENT?