Factors that could cause actual results to differ materially from those implied by these forward-looking statements include, but are not limited to: • Our ability to identify and evaluate acquisition targets and consummate and integrate acquisitions • Disruptions, uncertainty or volatility in the credit markets that could adversely impact the availability of credit already arranged and the availability and cost of credit in the future; • The effect on foreign operations of currency fluctuations, tariffs and other political, economic and regulatory risks; • Changes in polymer consumption growth rates and laws and regulations regarding the disposal of plastic in jurisdictions where we conduct business; • Changes in global industry capacity or in the rate at which anticipated changes in industry capacity come online; • Fluctuations in raw material prices, quality and supply and in energy prices and supply; production outages or material costs associated with scheduled or unscheduled maintenance programs; • Unanticipated developments that could occur with respect to contingencies such as litigation and environmental matters; • An inability to raise or sustain prices for products or services; • Information systems failures and cyber attacks; and • Other factors affecting our business beyond our control, including, without limitation, changes in the general economy, changes in interest rates and changes in the rate of inflation. T H E N E W P O L Y O N E : A S P E C I A L T Y G R O W T H C O M P A N Y  Transformational M&A with PP&S divestment and pending acquisition of Clariant Masterbatch business  Growing leadership position in attractive markets  Innovation, technology and service are differentiators  Capital management is a strength: Record-setting cash generation to continue for years  Proven acquisition strategy with robust pipeline  Commercial investments are fueling momentum and generating organic growth SERVICE: T H E T I M E L E S S D I F F E R E N T I A T O R PolyOne Corporation 40 T A L E N T D E V E L O P M E N T PolyOne Corporation 41 Leadership Program Participants 2012 2013 2014 2015 47 0 86 2016 2019 125 169 412 Campus Hires 2008 2011 2014 2017 0 25 90 47 PolyOne LSS Blackbelts 2008 2011 2014 2019 0 67 247 147 2019 134 A U N I Q U E C U S T O M E R E X P E R I E N C E Industrial Design IQ DESIGN PolyOne Corporation 42 Computer Aided Engineering Design Strategy 3 15 2014 2019 Designers & Engineers $0 $15M 2014 2019 $4M $87M 2014 2019 Opportunity funnel Total Revenue LSS CUSTOMER FIRST PolyOne Corporation 43 Customer Engagements Enables sales growth by building more intimate customer relationships, giving us insight to customers’ needs, with a service that is not easily replicated 2014 2019 2 210 I N N O V A T I N G W I T H P O L Y O N E PolyOne Corporation 44 SEGMENT HIGHLIGHTS C O L O R , A D D I T I V E S & I N K S E N D M A R K E T S & S O L U T I O N S PolyOne Corporation 45 Solid Colorants Performance Additives Screen Printing Inks Liquid Colorants Packaging 31% Industrial 14% Textiles 13% Wire & Cable 10% Building & Construction 9% Consumer 8% Transportation 7% Healthcare 5% Appliances 2% Electrical & Electronics 1% Operating Income & MarginRevenue by Region C O L O R , A D D I T I V E S & I N K S 2 0 1 9 R E V E N U E | O V E R $ 1 B I L L I O N PolyOne Corporation 46 Europe 34% United States 44% Asia 15% Canada 1% Mexico 3% South America 3% $4 $25 $104 $147 2005 2009 2013 2019 0.9% 5.5% 12.2% 14.7% S P E C I A L T Y E N G I N E E R E D M A T E R I A L S E N D M A R K E T S & S O L U T I O N S PolyOne Corporation 47 Engineered Formulations Advanced Composites Thermoplastic Elastomers Wire & Cable 15% Telecommunications (FOC) 13% Consumer 19% Electrical & Electronics 12% Healthcare 9% Industrial 8% Packaging 6% Appliance 2% Building & Construction 2% Transportation 14% Note: (FOC) refers to Fiber Optic Cabling S P E C I A L T Y E N G I N E E R E D M A T E R I A L S Revenue by Region Operating Income & Margin 2 0 1 9 R E V E N U E | $ 7 5 0 M I L L I O N PolyOne Corporation 48 Europe 27% United States 54% Asia 17% Canada 2% $21 $57 $87 2005 2009 2013 2019 0.1% 5.1% 9.3% 11.6% D I S T R I B U T I O N E N D M A R K E T S & S U P P L I E R S PolyOne Corporation 49 Healthcare 28% Transportation 23% Industrial 19% Consumer 12% Appliance 6% Electrical & Electronics 5% Building & Construction 4% Packaging 2% Wire & Cable 1% Operating Income & Margin2019 Revenue | $1.2 Billion $25 $63 $75 2005 2009 2013 2019 $20 2.9% 4.0% 5.9% 6.3% http://www.polyone.com/Pages/VariationRoot.aspx O V E R V I E W O F R A W M A T E R I A L P U R C H A S E S PolyOne Corporation 50 Performance Additives 15% Polyethylene 13% Pigments 9% Styrenic Block Copolymer 7% Nylon 7% TiO2 6% Polypropylene 5% Dyestuffs 4% Plasticizers 3% Other Raw Materials 31% $900 million of raw material purchases in 2019 excluding Distribution business Note: All figures exclude divested PP&S business T A R G E T E N D M A R K E T S & A P P L I C A T I O N E X A M P L E S PolyOne Corporation 51 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 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 Target End Markets… Consumer Thermally Conductive Components Polymer Colorants Elastomeric Grips and Handles Structural Composite Components 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  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  Eliminate costs by increasing pigment density  Enhance color performance without altering form and formulation  Increase design capabilities by reducing weight and layer thickness Optimize Color Usage OnColorTM Super Concentrates  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 Combat Bacteria Formation WithStandTM Antimicrobial Technology  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 Medical Device Housings Chemically Resistant Engineered Polymers 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 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  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 PolyOne Corporation 63 Global high yield & leveraged finance Conference Forward Looking Statements USE OF �NON-GAAP�MEASURES Vision Safety First Commodity to Specialty Transformation PolyOne�2019 Revenue | $2.9 billion Slide Number 8 Sustainable Path to Double-Digit EPS Growth Expansion of Commercial Resources driving growth The Evolving Customer Relationship Slide Number 12 Aligning with trends for Growth Revenue from Sustainable Solutions Innovation 3 Horizons of Development Innovation Spotlight: Composites COMPOSITE MATERIALS COMPOSITEs Portfolio�Diverse Capabilities and Solutions Serving Manufacturers and OEMS PolyOne applications in Fiber optic cables Fiber optical growth drivers Invest-to-Grow M&A Strategy Invest-to-Grow M&A Playbook Invest-to-Grow Proof of performance Clariant Masterbatch Acquisition Drives�Next Level Specialty Transformation Transformation Headlines Fit with Four Pillar Strategy End Market Transformation End Market Transformation Complementary Geographic Presence Slide Number 31 PolyOne + Clariant Masterbatch Business Over 85% of Adjusted EBITDA from Specialty Transaction overview Significant Synergy Opportunities Attractive Financing Structure Slide Number 37 Returning cash to shareholders�Over $1.2 Billion since 2011 Why Invest In PolyOne?

Standard grades in the portfolio conform to UL 94 V-2, V-0 and 5VA performance ratings, and many offer elevated Relative Thermal Index (RTI) ratings. You have the responsibility to conduct full-scale end-product performance testing to determine suitability in your application, and you assume all risk and liability arising from your use of the information and/or use or handling of any product.

 Factors that could cause actual results to differ materially from those implied by these forward-looking statements include, but are not limited to:  The final amount of charges resulting from the planned North American asset realignment and the Company’s ability to realize anticipated savings and operational benefits from the asset realignment;  Our ability to achieve the strategic and other objectives relating to the acquisition of Spartech Corporation, including any expected synergies;  Our ability to successfully integrate Spartech and achieve the expected results of the acquisition, including, without limitation, the acquisition being accretive;  Disruptions, uncertainty or volatility in the credit markets that could adversely impact the availability of credit already arranged and the availability and cost of credit in the future;  The financial condition of our customers, including the ability of customers (especially those that may be highly leveraged and those with inadequate liquidity) to maintain their credit availability;  The speed and extent of an economic recovery, including the recovery of the housing market;  Our ability to achieve new business gains;  The effect on foreign operations of currency fluctuations, tariffs, and other political, economic and regulatory risks;  Changes in polymer consumption growth rates in the markets where we conduct business;  Changes in global industry capacity or in the rate at which anticipated changes in industry capacity come online;  Fluctuations in raw material prices, quality and supply and in energy prices and supply;  Production outages or material costs associated with scheduled or unscheduled maintenance programs;  Unanticipated developments that could occur with respect to contingencies such as litigation and environmental matters;  An inability to achieve or delays in achieving or achievement of less than the anticipated financial benefit from initiatives related to working capital reductions, cost reductions, employee productivity goals, and an inability to raise or sustain prices for products or services;  An inability to raise or sustain prices for products or services;  An inability to maintain appropriate relations with unions and employees;  The inability to achieve expected results from our acquisition activities;  Our ability to continue to pay cash dividends;  The amount and timing of repurchases of our common shares, if any; and  Other factors affecting our business beyond our control, including, without limitation, changes in the general economy, changes in interest rates and changes in the rate of inflation.  The above list of factors is not exhaustive.  We undertake no obligation to publicly update forward-looking statements, whether as a result of new information, future events or otherwise. Patterson President and Chief Executive Officer PolyOne Corporation Page 27 Well Positioned for Revenue Growth Addressable Market by Platform $540 $215 $120 $40 $260 $525 ($ millions) Design/Service Sustainable Solutions Surface Modification Lightweighting Thermal Control Flame Retardancy $1.0 - $2.0 Billion of revenue generated from new products in 5 years Gross margin on new products exceed current gross margin by at least 10 percentage points World class vitality index of ≥ 35% 2018 PolyOne Corporation Page 28 Megatrends Aligned with Key End Markets Decreasing Dependence on Fossil Fuels Protecting the Environment Improving Health and Wellness Megatrend End Markets Globalizing and Localizing Health & Wellness Transportation Packaging Consumer PolyOne Corporation Page 29 2006 2013 Revenue ($ millions) Health and Wellness Evolution General purpose tubing TPE applications from GLS Specialty tubing Ergonomic enhancements Pre-certified biocompatible colorants Highly sophisticated catheter and drug delivery components Chemical and heat sterilizable materials Authentication and protection technologies Addressing wellness, prevention, diagnostic and therapy changes in healthcare setting Healthcare packaging solutions 2006 2015 & Beyond $416 $105 PolyOne Corporation Page 30 Transportation Evolution General purpose formulations (bumpers, roof racks) Long fiber for lightweighting Thermal management for LED lighting Thermoset composite pultrusions Conductive polymers for EMI shielding Formulations for aerospace interiors Thermoplastic composites High temperature formulations for aerospace Expand 3D printing capabilities 2006 2015 & Beyond 2006 2013 Revenue ($ millions) $709 $315 PolyOne Corporation Page 31 Packaging Evolution Masterbatch colors and PVC packaging materials TPEs to enhance brand appeal and consumer functionality Liquid color and additive technologies to extend shelf life, preserve taste and differentiate brands Leveraging color, additives and sheet technology for healthcare and consumer packaging solutions 2006 2015 & Beyond 2006 2013 Revenue ($ millions) $612 $260 PolyOne Corporation Page 32 Consumer Evolution Commodity plastic and masterbatch color solutions Engineered materials to enhance customer appeal through visual and performance improvements Formulated metal- to-polymer conversion to enhance performance and reduce manufacturing costs Biopolymers & composite materials leveraging unique color technology to build brand identity 2006 2015 & Beyond 2006 2013 Revenue ($ millions) $394 $228 PolyOne Corporation Page 33 Interactive Display Introduction PolyOne Corporation Page 34 Interactive Displays INNOVATION DISCUSSION LEADER TECHNOLOGIES MARKETS Polycast™ Bullet Resistant Sheet Aerospace GlasArmor™ Ballistic Resistant Panels Security reFlex™ Bio-Based Plasticizer Solutions Wilflex™ Oasis Hydrate InVisiO℠ Color Inspiration Forecast In-Store Audits OnColor™ Portfolio Light Weighting Thermal Management Corrosion Resistance Design Flexibility Sustainability Global Supply Chain Ergonomics and Aesthetics Consumer Appeal 9) Consumer Electronics Solutions Walter Ripple General Manager GLS Personal Electronics Wearable Electronics Hand Held Devices Portable Audio 7) Metal Replacement Technology Kurt Schuering Vice President Global Key Account Management Aerospace Transportation Electrical & Electronics Sporting and Shooting 8) Medical Device Solutions Dr.

RAIL CAR MANUFACTURER D O O R P A N E L • High stiffness-to-weight ratio and improved thermal insulation to incumbent materials • Efficient manufacturing process to ensure quality panel construction and standards • Domestic supply and manufacturing to ensure timely delivery • Reduced component complexity compared to metal • Custom-engineered panel with varying core materials and thicknesses to meet performance requirements • Reliable material supply with product manufactured in United States CRTM™ Composite Sandwich Panels KEY REQUIREMENTS WHY AVIENT AVIENT SOLUTION CORROSION & IMPACT RESISTANT LEARN MORE Copyright © 2024, Avient Corporation.

Versaflex - CPAP tubing film CPAP TUBING C O R R U G A T E D T U B I N G F I L M • Replacement for polyolefins • Good spring-back • Bondable cuffs • Clear & clean look • Minimize humidity and condensation within the tube • No noticeable odor • FDA, ISO 10993 & USP VI compatible • Provided TPE solution to meet market expectations for improved user comfort & aesthetics • Reduced tube noise and improved drape compliance with new material solution versus polyolefins • Offered solution with improved thermal properties to combat humidity Versaflex™ CL2250 KEY REQUIREMENTS WHY AVIENT?

FITNESS SMARTWATCH BRAND S M A R T W A T C H H O U S I N G • Reduce carbon footprint at least 30% by using bio-based material • Meet physical properties requirements such as impact strength, UV resistance, and thermal resistance • Provide small lot quantity for various colors • Offered bio-based colorants to support carbon footprint reduction • Maintained over 80% of mechanical properties of materials and passed QSUN & QUV test • Offered supply flexibilities in low volume for a high mix of colors OnColor Bio Colorants KEY REQUIREMENTS WHY AVIENT?

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