Purchase price multiple rapidly declining on strength of business and synergy capture 10 $133 $205 2019PF 2021 10 Clariant Color EBITDA Growth Purchase Price Multiple 10.8x 7.0x 6.1x 2019PF 2021 2021 w/ Full Synergies (1) (1) 11.9% 16.2% 2019PF 2021 EBITDA Margins (1) CLARIANT COLOR: TRANSFORMATIONAL ACQUISITION ($ in millions) (1) Financial information is pro forma to include a full year of Clariant Color business ($ millions) Initial Synergy Estimate 2021 Synergy Realization Total Synergies Expected Administrative $ 18 $ 29 $ 40 Sourcing 24 20 24 Operational 18 5 21 Total Synergies $ 60 $ 54 $ 85 C L A R I A N T C O LO R I N T E G R AT I O N & C O S T S Y N ERG I E S U PDATE 11 • Integration going extremely well: synergy target increased to $85 million at December 9th Investor Day • Relentless focus on guiding principles of safety first, employee collaboration and exceeding customer expectations • Future revenue synergies are not part of these estimates and represent additional growth over the long term S U S TA I NA B I L I T Y F O R A B ET T E R TO M O R ROW 12 • Revenue from sustainable solutions grew 16% in 2021 and expected to grow 8-12% in 2022 as our innovation efforts and collaboration with customers accelerates • 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 12 *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 12 2016 2017 2018 2019 2020PF** 2021 $405M $455M $550M $790M Revenue From Sustainable Solutions* 2016-2021 $915M $340M PEOPL E 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 $16 million raised since 2010 Diversity & Inclusion 13 Q4 2020 $997 $80 Sustainable Solutions 23 12% 8 Healthcare 53 43% 9 Composites 7 22% 2 Growth in Asia / LATAM 14 10% 3 Other 118 23% 2 Sub-total $1,212 22% $104 Wage Inflation and Overtime (11) Other Supply Chain Costs (4) Synergies 9 Incentives, FX, Other Employee Costs (10) (13) Q4 2021 $1,202 21% $85 Q4 2021 SALES AND OPERATING INCOME ( T O TA L C O M PA N Y ) 14 Sales Growth Rate Adjusted Operating Income$ millions Adjusted EBITDA Q4 EBITDA BRIDGE 15 Price increases more than offsets raw material and supply chain impacts Q4 2020 $ 118 Demand - $ millions CAI: Price / Mix 62 Inflation (45) SEM: Price / Mix 25 Inflation (20) Distribution: Price / Mix 114 Inflation (109) Net Price Benefit 27 Wage Inflation and Overtime (11) Other Supply Chain Costs (4) Synergies 9 Incentives, FX, Other Employee Costs (13) Q4 2021 $ 126    Transportation (5)$ Outdoor High Performance (3) Other 8 Total Demand - Q4 2021 SEGMENT PERFORMANCE 16 CAI $526 $581 Sales ($ in millions) SEM Distribution $58 $61 Operating Income + 11% + 6% $305 $425 Sales $18 $22 Operating Income + 39% + 22% (1) $191 $228 Sales $30 $29 Operating Income + 19% - 3% 2 0 2 2 O U T L O O K REVENUE GROWTH DRIVERS Growth Drivers Long-Term Growth Rate 2022E Growth Rate Sustainable Solutions 8–12% 12% Healthcare 8–10% 10% Composites 10% 3% Asia / LATAM 5% 6% Other (GDP growth) 2–3% 2–3% Avient 6.5% 6% 18 Excluding Outdoor High Performance 13% (7.5% excl. FX) 2022 GROWTH PROJECTIONS ( T O TA L C O M PA N Y ) 19 $3.05 $3.50 2021 2022E Full Year – Adjusted EPS + 15% (+ 17% excluding FX) $0.89 $0.95 2021 2022E Q1 – Adjusted EPS + 7% (+ 10% excluding FX) ($ millions) Q1 Full Year Q1 Full Year 2021 - Actual 1,162$ 4,819$ 123$ 429$ Sustainable Solutions 27 110 12 44 Healthcare 15 66 4 13 Composites (excl.Outdoor High Performance) 11 29 5 13 Outdoor High Performance Applications (7) (20) (4) (10) Growth in Asia / LATAM 10 51 3 11 Other 57 115 9 12 Sub-total 1,275$ 5,170$ 152$ 512$ Wage Inflation and Overtime (12) (18) Other Supply Chain Costs (4) (7) FX Impact (25) (70) (4) (8) Synergies 4 15 Travel, Other Employee Costs (1) (4) 2022 - Estimated 1,250$ 5,100$ 135$ 490$ Sales Adjusted Operating Income 2022 SALES AND OI – Q1 AND FULL YEAR ( T O TA L C O M PA N Y ) 20 ($ millions) 2021 2022E Cash Flow from Operating Activities 234$ 385$ Less: Run-Rate CapEx (86) (90) CapEx for Clariant Integration (15) (20) CapEx for IT System Upgrade - (25) Total CapEx (101) (135) Free Cash Flow 133$ 250$ Adjusted EBITDA 581$ 635$ Net Debt / Adjusted EBITDA 2.2x 1.8x 21 C A SH F LOW / L E VE R AGE 22 • Record results – highest level of sales ($4.8B) and earnings ($3.05 adjusted EPS) in company history • Successful Clariant Color integration – net debt to adjusted EBITDA reduced to 2.2x, one-year ahead of schedule • Recognized as one of America’s Most Responsible Companies by Newsweek • Earned 3rd consecutive Great Place to Work certification 2021 HIGHLIGHTS 23 • 15% adjusted EPS growth to $3.50, led by growth in sustainable solutions and increased synergy realization • Continued strong synergy capture from the Clariant Color integration: $75M anticipated run-rate synergies by the end of 2022 • Adjusted EBITDA of $635M represents 9% growth above 2021 – 11% excluding the impact of foreign currencies • Deleveraged to 1.8x net debt to adjusted EBITDA by the end of 2022 2022 SUMMARY PEER COMPARISONS 25 As a specialty formulator, we don’t require significant capital investment, as compared to the base resin raw material suppliers we purchase from.

OFC TECHNOLOGY LEADER M I C R O B U N D L E S I N B L O W I N G A P P L I C A T I O N F O R R A I L W A Y S • Strippable with fingers for easy installation/access to fibers • High speed processing at a low wall thickness • Low shrinkage • Resistance to chemicals and filling compounds • Meet XP C93-850-1-1 standard • Re-designed cable to provide advantageous functional and economical value • Improved flexibility compared to PBT and PP tubes, allowing longer blowing distances on paths with angles of 90° • Increased processing speed and improved ease of installation • Provided better cable lifetime value compared to alternative solutions ECCOH™ 6151 UV SEPAP Formulation KEY REQUIREMENTS WHY AVIENT? https://www.polyone.com/products/engineered-polymer-formulations/eco-conscious-formulations/eccoh-low-smoke-and-fume-non-halogen-formulations OFC Technology Leader

https://www.avient.com/products/long-fiber-technology/long-fiber-technologies/onforce-long-glass-fiber-reinforced-polypropylene-composites Default Section Slide 1: Automotive Molder tier 1

POWER CABLE PRODUCER C A B L E I N S U L A T I O N • Easy to process • To pass CPR fire test • Low smoke and toxicity values on smoke test • Possibilities for low-voltage cables • Cable insulation that passed G18 of the CEI EN 50363-0: 2015 standard • Offered Sioplas technology for cross-linking providing ambient curing • Delivered new cable design possibilities for low- voltage cables while offering easy processing • Processed more efficiently than market- established elastomeric technology which is processed using a CV line • Provided cable insulation that passes the hot set test at 250°C ECCOH XL Cross-Linkable Solutions 8054 KEY REQUIREMENTS WHY AVIENT?

https://www.avient.com/products/long-fiber-technology/long-fiber-technologies/compl-t-long-fiber-reinforced-structural-thermoplastics Slide 1: Tier 1 Supplier

Specially formulated for both spunbond and meltblown manufacturing processes, they have no visible influence on color and can be customized to combine water repellency and color into one product for added convenience.

Lo ss ta ng en t NEW TECHNOLOGIES REQUIRE NEW MATERIALS The rapid technology development requires new frequency ranges and bandwidths. PREPERM technology enables a high degree of customization based on individual customer needs.

Van Hulle Page 53 United States 33% Europe 47% Canada Asia 12% Latin America Eastern Europe 2% 2011 Revenue: $0.7 Billion*2011 Revenue: $0.7 Billion* SolutionsSolutions At a Glance Global Color, Additives, and Inks Building & Construction 11% Wire & Cable 15% Consumer 6% Packaging 36% Industrial 10% Misc. 7% HealthCare 3% Transportation 6% Textiles 6% Canada 1% Latin America 5% 2011 Revenue by Industry Segment*2011 Revenue by Industry Segment* *Pro forma for the acquisition of ColorMatrix Expanding ProfitsExpanding Profits 1.7% 4.6% 5.1% 5.5% 7.1% 9.6% 12-16% 2006 2007 2008 2009 2010 2011PF 2015 Operating Income % of Sales Target Page 54 Value Proposition • GCAI is a global leader enabling OEMs and converters to profitably expand their business with customized color and additive solutions Transformation Highlights • Mix improvement and value-based selling has Value Proposition and Transformation Highlights Global Color, Additives, and Inks • Mix improvement and value-based selling has driven nearly 800 basis points increase in operating margin since 2006 • 2011 acquisition of ColorMatrix accelerates innovation pipeline and expansion into new markets > $12B Addressable Market Page 55 • Unbiased, solution-based culture selling value � Customer-centric approach � Economic value impact documented for customers • Complete package, product range and service offering � Custom solutions for customers’ unique requirements Key Differentiators Global Color, Additives, and Inks � Custom solutions for customers’ unique requirements � Industry-leading service offering • Coordinated global infrastructure � Consistency in product and customer service � Supply-chain reliability Page 56 From Volume Commodity white dominated mix To Value Focus on specialty color Global Film Customer Volume Revenue Gross Margin $ Mix Transformation – Executing the Strategy Global Color, Additives, and Inks 2010 2011 2010 2011 2010 2011 Page 57 Global Packaging Customer Volume Sales Gross Margin $ From Volume Commodity white dominated mix To Value Focus on specialty color Mix Transformation – Executing the Strategy Global Color, Additives, and Inks 2010 2011 2010 2011 2010 2011 Page 58 • OnColor™ HC Plus � Applications: Medical devices � Customer benefits: Brand enhancement, expanded market opportunities, speed-to-market • WithStand™ Antimicrobial Solutions � Applications: Healthcare devices, appliances, kitchen utensils Key Innovations Global Color, Additives, and Inks � Applications: Healthcare devices, appliances, kitchen utensils and surfaces, children’s toys � Customer benefits: Expanded market opportunities, extended product life • OnCap™ Antifog � Applications: Food packaging � Customer benefits: Extended shelf life, improved product aesthetics, production efficiencies Page 59 • $1.5 billion attractive, growing market • Additives improve performance and reduce cost through light-weighting, reduced waste, faster cycle times, and extended shelf life of finished product • Aligned with megatrend of protecting the environment Market Opportunity Shelf-life extension Greater product consistency Weight reduction Performance Additives Global Color, Additives, and Inks the environment Leading Global Supplier of Additives In Fast Growing PET Market consistency Recyclability and reduced carbon footprint Color and special effects Enhanced product aesthetics High heat resistance 4% 4% 8% 9% 9% 10% 11% 14% Western Europe North America South America MEA Easter Europe Asia Pacific China India PET 2008-13P CAGR Page 60 HyGuardTM Oxygen Barrier System • Applications: Beverage containers, food packaging • Function: Active scavenging system for ColorMatrix Innovation Global Color, Additives, and Inks • Function: Active scavenging system for oxygen-barrier improvement • Customer benefits: Extended shelf-life, light-weight, recyclable Page 61 ColorMatrix Innovation Global Color, Additives, and Inks ExceliteTM Foaming Agent • Applications: Vinyl sheet for digital printing • Function: Chemical foaming agent for weight reduction • Customer benefits: Increased product quality, operational efficiencies Page 62 Joule RHBTM Advanced Reheat Technology • Applications: PET containers • Function: Infra-red absorber for improved ColorMatrix Innovation Global Color, Additives, and Inks • Function: Infra-red absorber for improved • Customer benefits: Sustainability, operational and energy savings reheating efficiency Page 63 • Accelerate customer development pipeline with OnColor™ HC Plus • Provide solutions addressing infection concerns in healthcare facilities Areas of Focus Global Color, Additives, and Inks $8.7 $20.0 Healthcare 2006 2011PFconcerns in healthcare facilities • Help customers expand into new markets with HyGuard™ technology • Extend food shelf life and consumer appeal with OnCap™ Anti-Fog $130.2 $268.0 2006 2011PF Packaging 2006 2011PF (Revenue in $ millions) 2006 2011PF 2006 2011PF Page 64 Critical Imperatives and 2015 Goal Global Color, Additives, and Inks Critical Imperatives • Integrate and leverage ColorMatrix technology and customer relationships • Identify and focus on specialty applications within our target markets • Accelerate global expansion and profitability improvements in emerging markets, leveraging success in U.S. and Europe 2015 Goal • 12 - 16% return on sales Page 65 Page 66

ColorMatrix™ Lactra™ SX Light Blocking Additive High-performance, visible light blocking technology for extended shelf life, UHT dairy PET packaging PRODUCT BULLETIN PRODUCT DESCRIPTION ColorMatrix™ Lactra™ SX Light Blocking Additive is a solid masterbatch additive that, when added to PET to make monolayer bottles, provides high-performance light blocking technology and protection for liquid dairy contents. KEY CHARACTERISTICS • Design for shelf life, ergonomics and differentiation • Lighter weight bottles • Lower system cost vs. other rigid packaging TARGET MARKET AND APPLICATIONS UHT Dairy Packaging TECHNOLOGY BENEFITS • 100% visible light blocking for monolayer containers • Recyclable with general PET waste stream, even though additive is also present • Lower system cost • Offers shape differentiation for containers • Enables container designs that increase ease of pouring • Useful for re-sealable containers • Useful for containers that can be stored flat after opening • Offers light-weighting for PET bottle without reducing light blocking performance www.avient.com Copyright © 2020, Avient Corporation.

STRENGTH & FLEX Excellent Dimensional Stability, High Stiffness, Impact Resistance SOLUTION: Short & Long Fiber Formulations, Continuous Fiber Composite Tapes & Laminates DURABILITY Density, Stiffness, Strength SOLUTION: Short & Long Fiber Formulations SURFACE PROTECTION Performance Enhancements, Chemical Resistance SOLUTION: Scratch & Mar Resistance, UV Stable Additives TACTILE EXPERIENCE Soft Touch, Slip Resistance SOLUTION: Thermoplastic Elastomers METAL REPLACEMENT High Stiffness-to-Weight Ratio, Lightweighting, Buoyancy SOLUTION: Continuous Filament Winding Technology EXTREME PERFORMANCE Waterproof Seals & Closures SOLUTION: Thermoplastic Elastomers DYNAMIC COMFORT Durability, Customization, Shock Absorption SOLUTION: Thermoplastic Elastomers COLOR RESILIENCE Excellent Adhesion to Substrates, Weatherability SOLUTION: Plastisol Textile Inks FUNCTIONALITY High Stiffness, Structural Integrity, Metal Replacement SOLUTION: Short & Long Fiber Formulations, Continuous Fiber Composite Tapes & Laminates AESTHETIC APPEAL Custom Colors, Patterns & Tones SOLUTION: Custom Polymer Colorants, Specialty Additives RESILIENCE Weatherability, Longevity SOLUTION: Specialty Engineered Polymer Formulations For more on material solutions for outdoor equipment, visit avient.com/outdoor. https://www.avient.com/products/advanced-composites/short-long-fiber-formulations https://www.avient.com/products/advanced-composites/short-long-fiber-formulations https://www.avient.com/products/advanced-composites/continuous-fiber-composite-tape-laminates-and-barstock/polystrand-continuous-fiber-tapes-laminates https://www.avient.com/products/advanced-composites/continuous-fiber-composite-tape-laminates-and-barstock/polystrand-continuous-fiber-tapes-laminates https://www.avient.com/products/advanced-composites/short-long-fiber-formulations https://www.avient.com/products/advanced-composites/short-long-fiber-formulations https://www.avient.com/products/polymer-additives/performance-enhancement-additives/oncap-scratch-mar-resistance-additives https://www.avient.com/products/polymer-additives/uv-and-light-blocking-additives http://www.avient.com/products/thermoplastic-elastomers http://www.avient.com/products/thermoplastic-elastomers https://www.avient.com/products/advanced-composites/pultrusion-and-continuous-filament-winding-technology/glasforms-continuous-filament-wound-tubes-poles https://www.avient.com/products/advanced-composites/pultrusion-and-continuous-filament-winding-technology/glasforms-continuous-filament-wound-tubes-poles http://www.avient.com/products/thermoplastic-elastomers http://www.avient.com/products/thermoplastic-elastomers http://www.avient.com/products/thermoplastic-elastomers http://www.avient.com/products/thermoplastic-elastomers http://www.avient.com/products/screen-printing-inks http://www.avient.com/products/screen-printing-inks https://www.avient.com/products/engineered-polymer-formulations/structural-fiber-reinforced-formulations https://www.avient.com/products/engineered-polymer-formulations/structural-fiber-reinforced-formulations https://www.avient.com/products/advanced-composites/continuous-fiber-composite-tape-laminates-and-barstock/polystrand-continuous-fiber-tapes-laminates https://www.avient.com/products/advanced-composites/continuous-fiber-composite-tape-laminates-and-barstock/polystrand-continuous-fiber-tapes-laminates http://www.avient.com/products/polymer-colorants http://www.avient.com/products/polymer-colorants http://www.avient.com/products/polymer-additives http://www.avient.com/products/engineered-polymer-formulations http://www.avient.com/products/engineered-polymer-formulations http://www.avient.com/products/engineered-polymer-formulations http://www.avient.com/outdoor http://www.avient.com/outdoor