INDUSTRY BULLETIN DISPERSIONS IN HEALTHCARE TECHNOLOGY DESCRIPTION TYPICAL APPLICATIONS Silicone Colorant Dispersions Biocompatible, conformable silicone rubber colorants that deliver lightfastness and aesthetic appeal • 3D medical silicone printing • Anatomical models and surgical guides • External prosthetics and orthotics • Wearable medical devices • Medical ventilation/respiratory masks • Dental and medical tools and equipment • Catheters and tubing • Medical adhesives Silicone Additive Dispersions Silicone additive solutions formulated to provide chemical resistance, durability, and enhanced physical properties Rubber Colorant Dispersions Durable rubber colorants formulated for optimal dispersion and lot-to-lot consistency to promote ease of handling • Medical devices and tools • Vibration and shock control for medical equipment • Drug delivery devices Urethane Colorant Dispersions Versatile urethane colorants that streamline production and enhance quality • Medical packaging • Foam enclosures/support for medical tools and equipment • Medical and surgical devices • Physical therapy tools Epoxy Colorant Dispersions Long-lasting, hygienic epoxy colorants that provide high-cost efficiency, stability, and customization opportunities • Medical adhesives • Healthcare facility floor coatings Vinyl Colorant Dispersions Vinyl colorants developed for applications where dispersion, uniformity, compatibility, and cleanliness are essential • Catheters and tubing • Medical equipment Aqueous Additive Formulations Functional additives stabilized, suspended, and dispersed in water that shorten development cycles, streamline operations, and can be customized to meet specific requirements • Medical gloves • Wound care Electrically Conductive Additives for Silicone Innovative silicone additives to provide high conductivity and lower filler loadings • Wearable medical devices • Neurostimulation electrode pads • Medical tools and equipment Laser Marking Additives for Silicone Dispersions containing laser absorbers and color formers that eliminate the need for secondary etching while promoting chemical resistance, mechanical property retention, and production efficiency • Medical packaging • 3D medical silicone printing • Anatomical models and surgical guides • External prosthetics and orthotics • Medical ventilation/respiratory masks • Medical devices Surface Modification Additives for Silicone Non-oil based silicone additives that reduce tackiness and enhance smoothness of the cured compound • Catheters and tubing • Dental tools and equipment • Medical adhesives • Medical devices, tools, and equipment Self-Bonding Silicone Silicone compounds able to bond to various substrates without prime coating • Medical tools and equipment • Wearable medical devices • Medical packaging This listing represents standard Avient dispersion technologies and addresses common healthcare applications, but we can work with you to explore additional options.

COLORWORKS™ ColorMatrix Select is part of a package of color focused design services and resource available from Avient. Main advantages of liquid color systems include: • Excellent statistical color distribution for consistently high quality • Shot-to-shot and batch-to-batch consistency • Single heat history • Minimal wastage due to high level dosing accuracy and product recovery rates • Highly concentrated formulations with capability of very low addition rates • Reduced inventory and storage requirements FULL SERVICE COLOR PACKAGE Avient is dedicated to supporting its customers with a full package of support services to ensure optimum value from our advanced colorant and additive technologies.

Microsoft PowerPoint - 2021 Baird Sustainability Conference AVIENT CORPORATION (NYSE: AVNT) B A I R D S U S T A I N A B I L I T Y C O N F E R E N C E F E B R U A R Y 2 3 , 2 0 2 1 WALTER RIPPLE V I C E P R E S I D E N T , S U S T A I N A B I L T Y • 28 Years Industry Experience • Bachelors of Chemistry, Texas A&M University • Executive MBA, University of Michigan • Former VP & General Manager, Global GLS TPE Business • 2+ years Vice President, Sustainability Avient Corporation 2 SUSTAINABILITY A T A V I E N T P E O P LE P RO D U CT S P LA N E T P E R F O RM AN CE O U R M I S S I O N E N A B L E O U R C U S T O M E R S ’ I N N O V A T I O N A N D S U S T A I N A B I L I T Y G O A L S T H R O U G H W O R L D C L A S S P R O D U C T S A N D S E R V I C E S A N D E X C E L L E N C E I N T H E F O U R C O R N E R S T O N E S O F : Avient Corporation 3 Enable 100% of products manufactured for packaging applications to be recyclable or reusable. Develop and implement solutions to end plastic waste while supporting AEPW $1.5B investment in key initiatives. 2030 SUSTAINABILITY TARGETS Avient Corporation 5 PRODUCTS 8 W A Y S W E H E L P C U S T O M E R S B E M O R E S U S T A I N A B L E TRENDS IN FOCUS Avient Corporation 6 RECYCLING / CIRCULAR ECONOMY LIGHTWEIGHTING ECO-CONSCIOUS SUSTAINABLE SOLUTIONS FOR THE CIRCULAR ECONOMY Avient Corporation 7 OPTICA™ TONERS FOR PET LACTRA™ SX LIGHT BLOCKING ADDITIVE FOR PET AMOSORB™ OXYGEN SCAVENGER FOR PET JOULE™ & SMARTHEAT™ INFRARED ABSORBER ULTIMATE™ UV LIGHT BARRIER CESA®-NATUR BIO-SOURCED ADDITIVES TRIPLE A™ ACETALDEHYDE SCAVENGER FOR PET IR SORTABLE BLACK FOR RECYCLABLE PACKAGING EZE™ SLIP AGENT FOR PET ONCOLOR™ NATURALS – COLORANTS FOR RECYCLABLE PACKAGING RESOUND™ OM THERMOPLASTIC ELASTOMERS VERSAFLEX™ POST- CONSUMER RECYCLED (PCR) TPE FORMULATIONS AVIENT CYCLEWORKS I N N O V A T I O N C E N T E R T O A D V A N C E T H E C I R C U L A R E C O N O M Y • Laboratory mimics real-world circular recycling in a research environment • Conducts chemistry testing to improve plastics recycling for customers • Screening and evaluation of additive and colorant systems during recycling • Collaboration platform for customers and value chain partners Avient Corporation 8 Avient Corporation 9 AVIENT ENABLES CUSTOMERS’ CIRCULAR ECONOMY GOALS C O L O R M A T R I X ™ P R O C E S S A I D & T O N E R F O R R E C Y C L E D P E T LIGHTWEIGHTING Avient Corporation 10 NYMAX™ NYLON FORMULATIONS HYDROCEROL® CHEMICAL FOAMING AGENTS POLYSTRAND™ TAPES AND LAMINATES COMPLĒT™ LFT ENGINEERED RESINS W H AT ’S H AP P E N IN G AV IE N T S O LU T IO N S PLASTICS ARE: AVIENT SOLUTIONS ENABLE LIGHTWEIGHT DASHBOARD SKINS H Y D R O C E R O L ® F O A M I N G A G E N T S O L U T I O N S Avient Corporation 11 ECO-CONSCIOUS Avient Corporation 12 ONCOLOR™ BRILLIANT METALLIC COLORANTS W H AT ’S H AP P E N IN G ONCOLOR™ WPC CAPSTOCK TECHNOLOGY ZODIAC™ AQUARIUS™ WATER BASED SCREEN PRINTING INKS MAGIQ™ FIBER COLORANTS & ADDITIVES SAFER & CLEANER MATERIALS RESOURCE CONSERVATION HUMAN HEALTH & SAFETY ECO-CONSCIOUS ALTERNATIVES AV I E N T S O LU T IO N S AVIENT ECO-CONSCIOUS SOLUTIONS IMPROVE FACE MASK PERFORMANCE Avient Corporation 13 M A G I Q ™ E L E C T R E T P L U S T E C H N O L O G Y Improved filtration efficiency Protects against aerosols & bacteria particles Increased shelf-life ENERGY INTENSITY 9% DECREASE WASTE INTENSITY 2% DECREASE WATER INTENSITY 20% DECREASE TOTAL CO2 EMISSIONS 29% DECREASE PLANET K E Y P E R F O R M A N C E I N D I C A T O R S 2 0 1 6 - 2 0 1 9 56 ENERGY REDUCTION PROJECTS SAVE 7400+ MT/CO2 ANNUALLY PUNE, INDIAASSESSE, BELGIUM Avient Corporation 14 • Avient is a founding member • Cross value chain collaboration • Driving breakthrough innovations REVENUE FROM SUSTAINABLE SOLUTIONS 2016 2017 2018 2019 2020PF VOC Reduction Reduced Energy Use Bio-derived Content Eco-conscious Renewable Energy Applications Recyclability Reduced Material Requirements Lightweighting $275M $325M $355M $410M $560M (1) Proforma to include a full year of Clariant Masterbatch business acquisitionAvient Corporation 16 Revenue from sustainable solutions expected grow at an 8-12% CAGR into the future (1) THANK YOU Avient Corporation 17

EBITDA 97 100 Q1 2024 Q1 2025 • Sales growth led by resilient packaging demand across all regions, which was partially offset by weak transportation sales • Higher sales, favorable mix, and cost improvements contributed to adjusted EBITDA growth and 50 bps of adjusted EBITDA margin expansion EXCL. All Rights Reserved 2025 Color, Additives & Inks END MARKETS REGIONS 34% 21% 15% 11% 9% 8% Packaging Telecom 1%Energy 1% Transportation Industrial Consumer 34% 37% 20% 9% US & Canada Latin America Asia Europe, Middle East and Africa Healthcare Building & Construction 26Copyright © . All Rights Reserved 2025 Specialty Engineered Materials END MARKETS REGIONS 20% 17% 14%13% 9% 9% 7% 7% 4% Defense Packaging Telecom Building & construction Transportation Industrial Consumer 54% 33% 13% US & Canada Asia Europe, Middle East and Africa Energy Healthcare Copyright © .

Use of Non-GAAP Measures 4POLYONE CORPORATION FORMULATION EXPERTISE SERVICE INNOVATION Expertise in Polymer Materials, Services and Solutions OEMs Brand Owners Processers Assemblers IQ Design Labs InVisiOSM Color Services LSS Customer First Specialty products & services driving customer value What We Do 5POLYONE CORPORATION PolyOne At a Glance 2017 Revenue – $3.2 billion Performance Products & Solutions 21% PolyOne Distribution 34% Specialty Engineered Materials 19% Color Additives & Inks 26% United States 59% Europe 14% Latin America 9% Canada 8% Asia 10% $0.13 $0.68 $0.82 $1.00 $1.31 $1.80 $1.96 $2.06 $2.21 2009 2010 2011 2012 2013 2014 2015 2016* 2017 Transportation 18% Consumer 12% Healthcare 11% Packaging 11% Industrial 16% Building & Construction 12% Wire & Cable 9% Electrical & Electronics 6% Appliance 5% *Recast for DSS in discontinued operations 6POLYONE CORPORATION 2% 43% 76% 0% 20% 40% 60% 80% 100% 2005 2010 2017 % o f O pe ra tin g In co m e* *Operating Income excludes corporate charges and special items Specialty OI $5M $87M $280M JV’s Performance Products & Solutions Specialty MixDistribution Mix Shift Highlights Specialty Transformation Distribution and Contract Manufacturing Businesses 7POLYONE CORPORATION Consistently Deliver Double Digit Annual EPS Growth *ROIC is defined as TTM adjusted OI after tax divided by the sum of average debt and equity less cash over a 5 quarter period Proof of Performance 2020 Platinum Vision 20%+ 20%+ 12 - 14% 6.5 – 7.5% 15% 2006 2017 2020 “Where we were” “Where we are” Platinum Vision ROIC* 5.0% 14.0% Operating Income % of Sales Color, Additives & Inks 1.7% 15.5% Specialty Engineered Materials 1.1% 12.5% Performance Products & Solutions 5.5% 10.7% Distribution 2.6% 6.3% 8POLYONE CORPORATION $50 $116 $0 $40 $80 $120 $160 $200 2012 2014 2016 2018 10.8% 11.3% 10.0% 11.0% 12.0% 13.0% 14.0% 15.0% 2012 2014 2016 2017 2020 Platinum Vision *ROIC is defined as TTM adjusted OI after tax divided by the sum of average debt and equity less cash over a 5 quarter period Free Cash Flow and Improving Returns Free Cash Flow (in millions) ROIC* $200 - $220 14.0% $143 12.9% 15.0% 9POLYONE CORPORATION $767M Returning Cash to Shareholders $0 $150 $300 $450 $600 $750 2011 2012 2013 2014 2015 2016 2017  Since 2011, we have returned over $950 million to shareholders $767M Cumulative Share Repurchases (in millions) $0.16 $0.20 $0.24 $0.32 $0.40 $0.48 $0.58 $0.70 2011 2012 2013 2014 2015 2016 2017 2018 2019 2020 3-Year Dividend Plan Increasing Annual Dividend 10POLYONE CORPORATION  Expanding our sales, marketing, and technical capabilities  Investing in operational and LSS initiatives  ~60 - 70% of capital expenditures fund growth initiatives Organic Growth Acquisitions Share Repurchases Dividends  Targets that expand our: • Specialty offerings • End market presence • Geographic breadth  Growth synergies  Adjacent material solutions  Repurchased 2.0 million shares in 2017  Repurchased 20.8 million shares since early 2013  6.5 million shares are available for repurchase under the current authorization  Increased annual dividend by 30% to $0.70 per share, representing the eighth consecutive year of dividend growth  Expect to increase annual dividend 60% or more cumulatively over next three years Free Cash Flow and Strong Balance Sheet Fund Investment / Shareholder Return 11POLYONE CORPORATION *Specialty Platform revenue from products introduced in last five years Vitality Index Progression* 12% 38% 2006 2017 Target ≥ 35% Innovation Drives Earnings Growth $20 $52 2006 2017 Research & Development Spend ($ millions) Total Specialty Addressable Market of over $2.6 Billion (10 Projects) (10 Projects) ($500 million) (19 Projects) ($1.4 billion) Innovation Pipeline Potential Frame Opportunity Prototype Scale-up and Test Market Commercial Launch $500 Million $1.4 Billion $700 Million Phase 5Phase 4Phase 3Phase 2Phase 1 Build Business Case 12POLYONE CORPORATION 2017 2021 Key Innovation Growth Platforms Composites Barrier Additive Technology Fiber Colorants Flame Retardant Polymers  Increasing regulatory drive for halogen replacements  $400m addressable market  Drive to prevent oxygen, light and UV rays from affecting contents in PET packaging, extending shelf life  $200m addressable market  60% of world fiber consumption is synthetic, need to simplify manufacturing and eliminate waste  $300m addressable market  Polymer formulation and process engineering create a pipeline for next generation materials  Drive to replace aluminum and steel with plastics without compromising on strength Total Sales ($millions) 2017 2021 2017 2021 2017 2021 13POLYONE CORPORATION  Providing LSS services to small/medium sized customers – have trained over 30 customers in LSS methodology  Providing Industrial design and color services to small/medium sized customers  On time delivery above 95% Strengthening Relationships: Customer First Through World-Class Service 14POLYONE CORPORATION  Addressable market exceeds $40 billion  Strong performance demonstrates that our strategy and execution are working  Megatrends and emerging opportunities align with strengths  Innovation and services provide differentiation, incremental pricing power and competitive advantage  Strategic reinvestment for growth while returning cash to shareholders  Strong and proven management team driving growth and performance Why Invest In PolyOne? The New PolyOne: A Specialty Growth Company Segment Highlights 16POLYONE CORPORATION 1.7% 4.6% 5.1% 5.5% 7.2% 8.1% 9.7% 12.2% 14.7% 16.7% 16.0% 20%+ 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016 2017 2020 2017 Revenue: $0.9 Billion Key End Markets (% of revenue) United States 46% Europe 31% Asia 15% Latin America 4% South America 2% Canada 2% Platinum Vision Packaging (27%) Industrial (14%) Wire & Cable (10%) Textiles (12%) Transportation (8%) 15.5% Operating Income % of Sales Color, Additives & Inks At a Glance 17POLYONE CORPORATION 1.1% 1.3% 3.4% 5.1% 9.6% 8.0% 8.6% 9.3% 12.1% 14.7% 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016 2017 2020 Platinum Vision United States 48% Europe 28% Asia 22% Canada 2% Consumer (20%) Transportation (19%) Electrical & Electronics (15%) Wire & Cable (13%) Healthcare (11%) 12.5% 20%+ Key End Markets (% of revenue) 2017 Revenue: $0.6 Billion Operating Income % of Sales 14.3% Specialty Engineered Materials At a Glance 18POLYONE CORPORATION 5.5% 6.9% 3.8% 3.6% 5.5% 4.3% 6.3% 7.2% 7.7% 8.3% 12-14% 10.7% 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016 2017 2020 11.1% United States 77% Canada 16% Latin America 5% Asia 2% Platinum Vision Building & Construction (30%) Transportation (16%) Wire & Cable (15%) Industrial (18%) Key End Markets (% of revenue) 2017 Revenue: $0.7 Billion Operating Income % of Sales Performance Products & Solutions At a Glance 19POLYONE CORPORATION Transportation 23% Healthcare 22% Industrial 18% Consumer 15% Appliance 7% E & E 6% B & C 4% Packaging 3% W & C 2% 4% 38% 2006 2017 ROIC* 2.6% 3.0% 3.5% 4.6% 5.6% 6.4% 5.9% 6.1% 6.6% 6.5 - 7.5%6.3% 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016 2017 2020 *After-Tax ROIC 6.4% 2017 Revenue: $1.2 Billion Key Suppliers Operating Income % of Sales 4.0% Platinum Vision Distribution At a Glance http://www.polyone.com/Pages/VariationRoot.aspx http://www.polyone.com/Pages/VariationRoot.aspx Target End Markets & Application Examples 21POLYONE CORPORATION Thermally Conductive Technologies Chemical Resistant Technologies Polymer Colorants Elastomeric Grips and Handles Structural Composites Antimicrobial Technologies Anti-Counterfeiting Technologies Target End Markets… Healthcare Catheter Technologies 22POLYONE CORPORATION Under-hood Components Target End Markets… Automotive Interior Structural Components Sound & Vibration Management Roof Systems Air Management Electronics and Cameras Lighting Exterior / Interior Trim Braces & Brackets Fasteners Seals & Flaps 23POLYONE CORPORATION Target End Markets… Consumer Thermally Conductive Components Polymer Colorants Elastomeric Grips and Handles Structural Composite Components 24POLYONE CORPORATION Oxygen Scavenger Technologies Laser Marking Additives Antistatic Technologies UV Light Barrier Technologies Cap & Closure Colorants Process Optimization Technologies Antioxidant Technologies Density Modified Technologies Target End Markets… Packaging 25POLYONE CORPORATION  Impart weight, sound and metallic finish to caps and closures for cosmetics and spirits applications  Elevate quality and prestige perceptions among high-end consumers  Eliminate time and cost associated with secondary operations and assembly Luxury Packaging GravitechTM Density Modified Polymers 26POLYONE CORPORATION Optimize Color Usage OnColorTM Super Concentrates  Eliminate costs by increasing pigment density  Enhance color performance without altering form and formulation  Increasing design capabilities by reducing weight and layer thickness 27POLYONE CORPORATION Combat Bacteria Formation WithStandTM Antimicrobial Technology  Inhibit microbial growth on polymer surfaces  Enhance value or products and devices  Highly versatile concentrate with the ability to be incorporated into a wide variety of products 28POLYONE CORPORATION Medical Device Housings Chemically Resistant Engineered Polymers  Durable, long-lasting products stand up to the most aggressive disinfectants  Minimize environmental stress cracking and discoloration  One of the broadest medically approved polymer and colorant portfolios 29POLYONE CORPORATION Color & Design Services  Greater control of color development and supply chain  Work across entire design process from concept to commercialization  Inspire creativity in the use of polymer materials, colors, and effects  Innovative brand differentiation  Faster development timelines 30POLYONE CORPORATION Outdoor Applications  Leading provider of high performance specialty materials for the recreational and sports & leisure industry  Well positioned across all segments to address market needs  Metal to Polymer Conversion  Lightweighting  Thermal Management  Impact Performance 31POLYONE CORPORATION  ColorMatrix Fiber Colorant Solutions  Proprietary advanced liquid color formulations and equipment enable greater efficiency and productivity  Eliminates aqueous dyeing and its associated wastewater treatment  Solid Color Concentrates  Extrusion-spun fibers colored via solid masterbatch Fiber Colorants 32POLYONE CORPORATION Smart Home Devices ResilienceTM Vinyl Solutions  High flame retardancy to meet strict UL standards  Greater processing and design flexibility  Specialized additives provide long term color stability  Diffusive lens materials improve light dispersion 1 Reconciliation of Non-GAAP Financial Measures (Unaudited) (Dollars in millions, except per share data) Senior management uses comparisons of adjusted net income from continuing operations attributable to PolyOne common shareholders, adjusted earnings per share (EPS) attributable to PolyOne common shareholders and adjusted earnings before interest, taxes, depreciation and amortization (EBITDA) to assess performance and allocate resources because senior management believes that these measures are useful in understanding current profitability levels and that current levels may serve as a base for future performance.

We partner with Brand Owners / OEMs, processors and assemblers to enable their goals in applications like packaging, healthcare, consumer goods, transportation, wire & cable, building & construction and textiles. We will do so though our investments and focus on sustainable solutions for high-growth markets, including healthcare, consumer, packaging and composites/5G. SEGMENT HIGHLIGHTS Packaging 37% Consumer 22% Healthcare 8% Industrial 14% Building & Construction 8% Transportation 6% Wire & Cable 3% Electrical & Electronics 2% C O L O R , A D D I T I V E S & I N K S 2020 PF REVENUE | $2 .0 BILLION $9 $320 2005 2020PF 2.0% 15.9% 2020 figures Pro forma estimates for acquisition of the Clariant Masterbatch business US & Canada 32% Europe 39% Asia 23% Latin America 6% END MARKET REGION EBITDA DOLLAR & MARGIN EXPANSION 24 $5 $120 2005 2020E US & Canada 59% Europe 23% Asia 18% Consumer 23% Healthcare 10% Packaging 6% Wire & Cable(1) 25% Electrical & Electronics 14% Industrial 10% Transportation 10% Building & Construction 2% S P E C I A LT Y E N G I N E E R E D M AT E R I A L S 2020E REVENUE | $700 MILLION 0.9% 17.1% END MARKET REGION EBITDA DOLLAR & MARGIN EXPANSION 25 (1) Approximately 50% of Wire and Cable sales are associated with Fiber Optic Cabling Healthcare 30% Consumer 24%Packaging 3% Industrial 19% Transportation 15% Electrical & Electronics 4% Building & Construction 4% Wire & Cable 1% US & Canada 79% Asia 2% Latin America 19% END MARKET REGION EBITDA DOLLAR & MARGIN EXPANSION DISTRIBUTION 2020E REVENUE | $ 1 .1 BILLION $20 $70 2005 2020E 2.9% 6.3% KEY SUPPL IER S 26 AMERICAS EUROPE ASIA Consumer 26% Healthcare 19% Packaging 13% Industrial 16% Wire & Cable 7% Building & Construction 5% Electrical & Electronics 4% Packaging 35% Consumer 14%Healthcare 6% Industrial 17% Wire & Cable 10% Building & Construction 8% Electrical & Electronics 3% Packaging 32% Consumer 26% Healthcare 12% Industrial 7% Wire & Cable 6% Building & Construction 4% Electrical & Electronics 9% Transportation 10% Transportation 7% Transportation 4% 2020 figures Pro forma estimates for acquisition of the Clariant Masterbatch business TOTA L C O M PA N Y R E G I O N A L S A L E S BY END MARKET (58% of sales) (25% of sales) (17% of sales) 27

We partner with Brand Owners / OEMs, processors and assemblers to enable their goals in applications like packaging, healthcare, consumer goods, transportation, wire & cable, building & construction and textiles. We will do so though our investments and focus on sustainable solutions for high-growth markets, including healthcare, consumer, packaging and composites/5G. SEGMENT HIGHLIGHTS Packaging 37% Consumer 22% Healthcare 8% Industrial 14% Building & Construction 8% Transportation 6% Wire & Cable 3% Electrical & Electronics 2% C O L O R , A D D I T I V E S & I N K S 2020 PF REVENUE | $2 .0 BILLION $9 $310 2.0% 15.5% 2020 figures Pro forma estimates for acquisition of the Clariant Masterbatch business US & Canada 32% Europe 39% Asia 23% Latin America 6% END MARKET REGION EBITDA DOLLAR & MARGIN EXPANSION 24 US & Canada 59% Europe 23% Asia 18% Consumer 23% Healthcare 10% Packaging 6% Wire & Cable(1) 25% Electrical & Electronics 14% Industrial 10% Transportation 10% Building & Construction 2% S P E C I A LT Y E N G I N E E R E D M AT E R I A L S 2020E REVENUE | $685 MILLION 0.9% 16.8% END MARKET REGION EBITDA DOLLAR & MARGIN EXPANSION 25 (1) Approximately 50% of Wire and Cable sales are associated with Fiber Optic Cabling Healthcare 30% Consumer 24%Packaging 3% Industrial 19% Transportation 15% Electrical & Electronics 4% Building & Construction 4% Wire & Cable 1% US & Canada 79% Asia 2% Latin America 19% END MARKET REGION EBITDA DOLLAR & MARGIN EXPANSION DI S TR IBU T I ON 2020E REVENUE | $1 .05 B ILL ION $20 $65 2.9% 6.2% K E Y S U P P L I ER S 26 AMERICAS EUROPE ASIA Consumer 26% Healthcare 19% Packaging 13% Industrial 16% Wire & Cable 7% Building & Construction 5% Electrical & Electronics 4% Packaging 35% Consumer 14%Healthcare 6% Industrial 17% Wire & Cable 10% Building & Construction 8% Electrical & Electronics 3% Packaging 32% Consumer 26% Healthcare 12% Industrial 7% Wire & Cable 6% Building & Construction 4% Electrical & Electronics 9% Transportation 10% Transportation 7% Transportation 4% 2020 figures Pro forma estimates for acquisition of the Clariant Masterbatch business TOTA L C O M PA N Y R E G I O N A L S A L E S BY END MARKET (58% of sales) (25% of sales) (17% of sales) 27

& Canada EMEA Asia Latin America 64% 36% Specialty Engineered Materials Color Additives and Inks 40% 37% 18% 5% 6% 8% 24% 20% 10% 15% 9% 4% 4% Defense Healthcare Packaging Consumer Building & Construction Industrial Transportation Energy Telecom Geography Segment Industry 4 CREATING A WORLD-CLASS SUSTAINABLE ORGANIZATION 1. 6% annualized long term sales growth leveraging sustainable solutions, composites, healthcare and emerging regions 2. We partner with Brand Owners / OEMs, processors and assemblers to enable their goals in applications like packaging, healthcare, consumer goods, transportation, wire & cable, building & construction and textiles. Avient 2011, 2018 and 2021 multiples reflect trailing 12 months EBITDA at December 31. 28 EV / 2023E EBITDA 6.5 8.5 11.0 8.9 12.0 11.9 10.9 9.9 8.2 16.3 13.8 11.9 9.6 9.5 9.5 9.2 7.7 20 11 20 18 20 21 O ct 20 23 AV Y R PM PP G KW R FU L EC L H XL SC L AS H FM C C E H U N EM N Avient Historic Multiple Avient Specialty Formulators Other Specialty / Chemical Companies AP P E N DI X 30 Performance Additives 16% Pigments 12% TiO2 10% Dyestuffs 2% Polyethylene 11% Nylon 6% Polypropylene 5% Styrenic Block Copolymer 5% Other Raw Materials 33% ~40% hydrocarbon based (Grey shaded materials are hydrocarbon based, includes portion of “Other Raw Materials”) Non-hydrocarbon based materials 2022 pro forma results for the acquisition of Avient Protective Materials RAW MATERIAL BASKET SEGMENT DATA U.S. & Canada 40% EMEA 37% Asia 18% Latin America 5% 2022 PRO FORMA SEGMENT, END MARKET AND GEOGRAPHY GEOGRAPHY REVENUESEGMENT FINANCIALS Consumer 20% Packaging 24% Industrial 15% Building and Construction 10% Telecommunications 4% Energy 4% Defense 6% END MARKET REVENUE $2,355M $402M $1,300M $272M Sales EBITDA Specialty Engineered Materials Color Additives and Inks $592M$3,653M (1) Transportation 9% Healthcare 8% 32 (1) Total company sales and adjusted EBITDA of $3,653M and $592M, respectively, include intercompany sales eliminations and corporate costs 2022 REVENUE | $2 .4 BILLION US & Canada 34% EMEA 38% Asia 20% Latin America 8% END MARKET REGION 33 Packaging 34% Consumer 21% Healthcare 8% Industrial 15% Transportation 8% Building & Construction 11% Telecommunications 1% Energy 2% COLOR, ADDITIVES & INKS 2022 PRO FORMA REVENUE | $1 .3 BILLION US & Canada 52% EMEA 35% Asia 13% 34 Packaging 5% Consumer 19% Healthcare 8%Industrial 16% Transportation 10% Telecommunications 10% Energy 9% Defense 15% Building & Construction 8% END MARKET REGION SPECIALTY ENGINEERED MATERIALS Packaging 32% Consumer 27% Healthcare 8% Industrial 14% Building & Construction 5% Telecommunications 3% Energy 1% Defense 1% Asia (18% of sales) Transportation 9% 2022 PROFORMA AVIENT REGIONAL SALES Packaging 27% Consumer 14% Healthcare 5% Industrial 17% Building & Construction 10% Energy 5% Defense 8% EMEA (37% of sales)Transportation 11% Packaging 13% Consumer 24% Healthcare 12% Industrial 15% Building & Construction 13% Energy 5% Defense 5% US & Canada (40% of sales) Transportation 7% Packaging 56% Consumer 23% Healthcare 4% Industrial 7% Building & Construction 4% Telecommunications 1% LATAM (5% of sales) Transportation 5% Telecommunications 3% Telecommunications 6% 35 BY END MARKET Reconciliation of Non-GAAP Financial Measures (Unaudited) (Dollars in millions, except for per share data) Senior management uses comparisons of adjusted net income from continuing operations attributable to Avient shareholders and diluted adjusted earnings per share (EPS) from continuing operations attributable to Avient shareholders, excluding special items, to assess performance and facilitate comparability of results.

& Canada EMEA Asia Latin America 64% 36% Specialty Engineered Materials Color Additives and Inks 40% 37% 18% 5% 6% 8% 24% 20% 10% 15% 9% 4% 4% Defense Healthcare Packaging Consumer Building & Construction Industrial Transportation Energy Telecom 4 CREATING A WORLD-CLASS SUSTAINABLE ORGANIZATION 1. 6.5% annualized long term sales growth leveraging sustainable solutions, composites, healthcare and emerging regions 2. We partner with Brand Owners / OEMs, processors and assemblers to enable their goals in applications like packaging, healthcare, consumer goods, transportation, wire & cable, building & construction and textiles. Avient 2011 and 2018 valuations reflect trailing 12 months EBITDA at December 31 of the respective years. 28 EV / 2023E EBITDA Historic Multiple 6.5 8.3 9.5 13.8 12.7 12.6 11.3 8.7 18.6 16.5 10.1 10.0 9.7 9.5 9.4 8.7 A vi en t (2 01 1) A vi en t (2 01 8) A vi en t (2 02 3) R P M P P G A V Y K W R F U L E C L H X L F M C A S H S C L H U N C E E M N Avient Specialty Formulators Other Specialty / Chemical Companies SEGMENT DATA U.S. & Canada 40% EMEA 37% Asia 18% Latin America 5% 2022 PRO FORMA SEGMENT, END MARKET AND GEOGRAPHY GEOGRAPHY REVENUESEGMENT FINANCIALS Consumer 20% Packaging 24% Industrial 15% Building and Construction 10% Telecommunications 4% Energy 4% Defense 6% END MARKET REVENUE $2,355M $402M $1,300M $272M Sales EBITDA Specialty Engineered Materials Color Additives and Inks $592M$3,653M (1) Transportation 9% Healthcare 8% 30 (1) Total company sales and adjusted EBITDA of $3,653M and $592M, respectively, include intercompany sales eliminations and corporate costs 2022 REVENUE | $2 .4 B ILL ION US & Canada 34% EMEA 38% Asia 20% Latin America 8% END MARKET REGION 31 Packaging 34% Consumer 21% Healthcare 8% Industrial 15% Transportation 8% Building & Construction 11% Telecommunications 1% Energy 2% COLOR, ADDITIVES & INKS 2022 PRO FORMA REVENUE | $1 .3 B ILL ION US & Canada 52% EMEA 35% Asia 13% 32 Packaging 5% Consumer 19% Healthcare 8%Industrial 16% Transportation 10% Telecommunications 10% Energy 9% Defense 15% Building & Construction 8% END MARKET REGION SPECIALTY ENGINEERED MATERIALS Packaging 32% Consumer 27% Healthcare 8% Industrial 14% Building & Construction 5% Telecommunications 3% Energy 1% Defense 1% Asia (18% of sales) Transportation 9% 2022 PROFORMA AVIENT REGIONAL SALES Packaging 27% Consumer 14% Healthcare 5% Industrial 17% Building & Construction 10% Energy 5% Defense 8% EMEA (37% of sales)Transportation 11% Packaging 13% Consumer 24% Healthcare 12% Industrial 15% Building & Construction 13% Energy 5% Defense 5% US & Canada (40% of sales) Transportation 7% Packaging 56% Consumer 23% Healthcare 4% Industrial 7% Building & Construction 4% Telecommunications 1% LATAM (5% of sales) Transportation 5% Telecommunications 3% Telecommunications 6% 33 BY END MARKET Reconciliation of Non-GAAP Financial Measures (Unaudited) (Dollars in millions, except for per share data) Senior management uses comparisons of adjusted net income from continuing operations attributable to Avient shareholders and diluted adjusted earnings per share (EPS) from continuing operations attributable to Avient shareholders, excluding special items, to assess performance and facilitate comparability of results.

$600 $592 2021 2022 $3.02 $3.04 2021 2022 FULL YEAR 2022 PERFORMANCE (TOTAL COMPANY PRO FORMA) 15 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 16 CAI $2,402 $2,355 Sales ($ in millions) $409 $402 EBITDA SEM Pro Forma $1,308 $1,300 Sales $278 $272 EBITDA (+4% excluding FX) - 2% -1% (+5% excluding FX) - 2% (+4% excluding FX) - 2% (+2% excluding FX) PRO FORMA FULL YEAR EPS BRIDGE 17 Pro Forma 2021 Adjusted EPS 3.02$ 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) 18 $ 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 20 Sales Adjusted EBITDA $845 $3,450 Q1 FY Adjusted EPS (in millions) (in millions) CASH FLOW / BALANCE SHEET 21 • IT investment to further integrate acquired businesses and capture operational efficiencies • Restructuring actions to streamline operations and improve profitability, primarily in Europe ($ 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 23 (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 24 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. 27 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. Avient 2011 and 2018 valuations reflect trailing 12 months EBITDA at December 31 of the respective years. 29 EV / 2023E EBITDA Historic Multiple 6.5 8.3 10.0 15.6 13.9 13.7 12.8 9.5 18.0 17.5 12.3 10.2 9.7 8.8 8.4 5.9 A vi en t (2 01 1) A vi en t (2 01 8) A vi en t K W R P P G R P M A V Y F U L H X L E C L F M C A S H S C L H U N E M N C E SEGMENT DATA U.S. & Canada 40% EMEA 37% Asia 18% Latin America 5% 2022 PRO FORMA SEGMENT, END MARKET AND GEOGRAPHY GEOGRAPHY REVENUESEGMENT FINANCIALS Consumer 20% Packaging 24% Industrial 15% Building and Construction 10% Telecommunications 4% Energy 4% Defense 6% END MARKET REVENUE (1) Total company adjusted EBITDA of $592M includes corporate costs $2,355M $402M $1,300M $272M Sales EBITDA Specialty Engineered Materials Color Additives and Inks $592M$3,653M (1) Transportation 9% Healthcare 8% 31 C O L O R , A D D I T I V E S & I N K S 2022 REVENUE | $2 .4 B ILL ION US & Canada 34% EMEA 38% Asia 20% Latin America 8% END MARKET REGION 32 Packaging 34% Consumer 21% Healthcare 8% Industrial 15% Transportation 8% Building & Construction 11% Telecommunications 1% Energy 2% S P E C I A LT Y E N G I N E E R E D M AT E R I A L S 2022 PRO FORMA REVENUE | $1 .3 B ILL ION END MARKET US & Canada 52% EMEA 35% Asia 13% REGION 33 Packaging 5% Consumer 19% Healthcare 8%Industrial 16% Transportation 10% Telecommunications 10% Energy 9% Defense 15% Building & Construction 8% Packaging 32% Consumer 27% Healthcare 8% Industrial 14% Building & Construction 5% Telecommunications 3% Energy 1% Defense 1% Asia (18% of sales) Transportation 9% 2022 PROFORMA AVIENT REGIONAL SALES BY END MARKET Packaging 27% Consumer 14% Healthcare 5% Industrial 17% Building & Construction 10% Energy 5% Defense 8% EMEA (37% of sales)Transportation 11% Packaging 13% Consumer 24% Healthcare 12% Industrial 15% Building & Construction 13% Energy 5% Defense 5% US & Canada (40% of sales) Transportation 7% Packaging 56% Consumer 23% Healthcare 4% Industrial 7% Building & Construction 4% Telecommunications 1% LATAM (5% of sales) Transportation 5% Telecommunications 3% Telecommunications 6% 34 Reconciliation of Non-GAAP Financial Measures (Unaudited) (Dollars in millions, except for per share data) Senior management uses comparisons of adjusted net income from continuing operations attributable to Avient shareholders and diluted adjusted earnings per share (EPS) from continuing operations attributable to Avient shareholders, excluding special items, to assess performance and facilitate comparability of results.