Investor Day FERMIUM RESEARCH MARKETING TRIP D E C E M B E R 1 6 , 2 0 1 9 FORWARD LOOKING STATEMENTS PolyOne Corporation 2 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. V I S I O N PolyOne Corporation 4 To be the world’s premier provider of specialized polymer materials, services and solutions C O R E V A L U E S P E R S O N A L V A L U E S Honesty IntegrityRespect Operational Excellence Commercial Excellence Specialization Globalization Collaboration ExcellenceInnovation To be the world’s premier provider of specialized polymer materials, services and solutions S A F E T Y F I R S T PolyOne Corporation 5 Injuries per 100 Workers Spartech Acquisition 1.3 1.1 1.1 0.85 0.65 0.57 0.54 0.97 0.84 0.74 0.74 0.69 0.51 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016 2017 2018 PolyOne Corporation 6 P O L Y O N E P R O F O R M A 2 0 1 8 R E V E N U E | $ 2 . 9 B I L L I O N * Segment End Market Geography Transportation 15% Healthcare 15% Industrial 14% Packaging 13% Consumer 12% Wire & Cable 11% Building & Construction 6% Electrical & Electronics 6% Textiles 5% Appliance 3% Color Additives & Inks 34% Distribution 41% Specialty Engineered Materials 25% United States 54% Europe 20% Asia 11% Latin America 10% Canada 5% *Pro Forma excluding PP&S and including Fiber-Line P R O O F O F P E RFO RMAN CE C O N S E C U T I V E Y E A R S 10 A D J U S T E D E P S E X P A N S I O N $1.51 $1.61 PolyOne Corporation 7 S U S T A I N A B L E P A T H T O D O U B L E - D I G I T E P S G R O W T H PolyOne Corporation 8 P E O P L E P R O D U C T S P L A N E T P E R F O R M A N C E Double digit annual EPS growth Expand specialty portfolio with strategic acquisitions Innovate and develop new technologies and services Repurchase 600K-1M shares annually Increase commercial resources 5-7% annually Double acquired company margins Enhance efficiencies through Lean Six Sigma and commercial excellence 531 710130 164 504 663 2014 2018 R&D / Technical Marketing Sales PolyOne Corporation 9 Increased commercial headcount + 34% + 26% + 32% I N V E S T M E N T I N COMMERCIAL RESOURCES D R I V I N G G R O W T H Sustained revenue increases led by organic business $2.9 $2.9 $3.2 $3.5 2015 2016 2017 2018 Total + 9% Organic + 5% Revenue in billions of $ Total + 10% Organic + 7% Lead Specialists T H E E V O L V I N G C U S T O M E R R E L A T I O N S H I P PolyOne Corporation 10 Expanded Path Traditional Path Strategic Accounts/ Field Sales Business Development Customer Service Web and Social Media Inside Sales PolyOne Corporation 11 Investments in digital and dedicated inside sales to improve customer experience 110% increase in leads (from 6,000 to 12,700) driven by website, phone, and online chat EXPANDED PATH A D D I N G C U S T O M E R T O U C H P O I N T S 4 24 2014 2018 Inside sellers $11M $109M 2014 2018 Inside sales/digital revenue A L I G N I N G W I T H T R E N D S F O R G R O W T H T R A N S P O R T A T I O N P A C K A G I N G H E A L T H C A R E C O N S U M E R PolyOne Corporation 12 Facilitate alternative energy solutions Light- weighting Reduce packaging materials Improve recyclability Reduce spread of infection I N N O V A T I O N PolyOne Corporation 13 Customization 55% M&A 30% Innovation Pipeline 15% Innovation comes from Research & Development Spend ($ millions) Vitality Index % of sales from products launched last 5 years 12% 35% 2006 2018 $20 $56 2006 2018 Transformational Opportunity for Growth Through M&A Adjacent Opportunity for Growth Through New Product Pipeline Core Customization 3 H O R I Z O N S O F D E V E L O P M E N T PolyOne Corporation 14 Incremental development from existing base of technology New development adjacent to current technology New technology development outside of and with our current base Service adjacent markets and customers Create new markets, target new customer needs Service existing markets and customers Market Technical I N N O V A T I O N Non-Halogen Flame Retardants Barrier Technologies Fiber Colorants Advanced Composites Thermoplastic Elastomers Gordon Composites/ Polystrand – Composites GLS – Thermoplastic Elastomers ColorMatrix – Liquid Color & Additives PlastiComp Fiber-Line I N N O V A T I O N S P O T L I G H T : C O M P O S I T E S PolyOne Corporation 15 C O M P O S I T E S R E F R E S H E R PolyOne Corporation 16 Fiber Polymer Composite Strength Design Flexibility Continuous Fiber Thermoset Composites Short Glass Fiber Thermoplastics Continuous Fiber Thermoplastic Composites Long Glass Fiber Thermoplastics S T R A T E G I C I N V E S T M E N T H I S T O R Y Acquired Polystrand Installed LFT production Avon Lake Acquired Gordon Composites Thermoplastic Composites Long Fiber Reinforced Thermoplastics Continuous Fiber Thermosets Long Fiber Thermoplastic (LFT) Technology Installed LFT production Barbastro, Spain Acquired Glasforms Long Fiber Reinforced Thermoplastics Continuous Fiber Thermosets 2012 2015 20162009 2011 Acquired PlastiComp, specialty LFT producer 2018 PolyOne Corporation 2019 Acquired Fiber-Line, specialty fiber processor 17 C O M P O S I T E S I N T R A N S P O R T A T I O N PolyOne Corporation 18 W A T E R C R A F TR A I L H E A V Y T R U C K Bulkheads and Transoms Ceilings and Hatches Doors and Cabinetry Flooring Door Panels Side Walls Flooring & Side Panels Aerodynamic Fairings Seat and Bunk Reinforcements P O L Y O N E A P P L I C A T I O N S I N F I B E R O P T I C C A B L E S PolyOne Corporation 19 1. Leverage PolyOne’s global reach Phase 1 Phase 2 Phase 3 18-20% operating margins Invest in commercial resources I N V E S T - T O - G R O W P R O O F O F P E R F O R M A N C E PolyOne Corporation 23 Commercial Resources Operating Income ($ in millions) Operating Margins 243 340 At Acquisition Today $36 $96 At Acquisition Today 11% 20% At Acquisition Today Established Acquisitions (> 7 years) + 40% + 165% + 900 bps I N V E S T - T O - G R O W D R I V I N G T H E F U T U R E PolyOne Corporation 24 Commercial Resources Operating Income ($ in millions) Operating Margins 138 181 251 At Acquisition Today Goal $23 $25 $70 At Acquisition Today Goal 7% 8% 18-20% At Acquisition Today Goal Recent Acquisitions PolyOne Corporation 25 Average Company Size # of Possibilities Rationale 250 • Local to regional footprint • Niche technology focus • Concentrated customer base $50M–$200M 150 • Regional to global footprint • 1–3 specialty technologies • Diversified customer base >$200M 30 • Global footprint with local service • Diverse specialty technologies • Highly diversified customer & market portfolio S T R O N G P I P E L I N E D R I V E N B Y F R A G M E N T E D M A R K E T $0.16 $0.20 $0.24 $0.32 $0.40 $0.48 $0.54 $0.70 $0.78 2011 2012 2013 2014 2015 2016 2017 2018 2019 2020 Cumulative Share Repurchases (In millions) $0 $150 $300 $450 $600 $750 $900 2011 2012 2013 2014 2015 2016 2017 2018 2019 YTD $917M R E T U R N I N G C A S H T O S H A R E H O L D E R S O V E R $ 1 . 2 B I L L I O N S I N C E 2 0 1 1 PolyOne Corporation Increasing Annual Dividend 26 $0.81 PolyOne Corporation 27 W H Y I N V E S T I N P O L Y O N E ?

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Ext Building Products OEM Application Snapshot EXTERIOR BUILDING PRODUCTS OEM S H E E T / P R O F I L E E X T R U S I O N • Source a cost competitive and effective chemical foaming additive (CFA) with prompt availability • Incorporate a CFA lightweighting solution with consistent cell structure and density for better overall operational performance • Improve material usage while manufacturing on both single and twin screw processing equipment • Met customer needs and timing with effective and efficient CFA solutions • Provided formulations that improved the dispersion and efficacy for optimized performance and control in manufacturing • Offered application and processing expertise focused on specific customer manufacturing assets and operations, allowing improved material usage and reduced operational costs Hydrocerol™ and Excelite™ CFAs KEY REQUIREMENTS WHY AVIENT?

LEADING HOUSEHOLD GOODS MANUFACTURER L A U N D R Y D E T E R G E N T B O T T L E • Increase post-consumer recycled (PCR) content to help meet state minimum standards • Improve color consistency to achieve global brand harmony and enhance on-shelf presence • Raised PCR level to 40% of the bottle weight, meeting sustainability goals and minimum PCR content regulations • Reduced thickness of outer bottle layer by 30% while increasing opacity, and removed colorant from middle layer • Delivered improved color consistency • Offered cost savings with a concentrated solution • Deployed on-site scale-up support at all converter locations OnColor™ Polymer Colorants – Super Concentrated Formulation KEY REQUIREMENTS WHY AVIENT?

PTFE Wire insulation CONSUMER & AEROSPACE MOLDERS M E T A L L I C - E F F E C T S U L F O N E S O L U T I O N • Metallic appearance • FDA-food contact compliance* • Resistant to repeated washing, steam sterilization, and chemical disinfection cycles • Easy processing to meet flexible design requests • Lightweight to support a reduction in carbon emissions • Created a variety of food contact-approved, brilliant metallic effect colors such as gold, silver, and bronze for optimal aesthetics • Ensured excellent mechanical performance after repeated steam sterilization and harsh chemical cleaning​ cycles • Offered low MOQ with flexible supply options Colorant Chromatics and BASF Ultrason® high-performance polymers in metallic colors KEY REQUIREMENTS WHY AVIENT?

© 2019, All Right Reserved PolyOne Corporation, 33587 Walker Road, Avon Lake, Ohio USA 44012 AUTOMOTIVE PARTS MANUFACTURER P L A T E H E A T E X C H A N G E R • High thermal conductivity • Very good flow rate for thin walls • Chemical resistance to glycol • Good aging for both chemical & temperature resistance • Improved thermal performance by eliminating the effects of corrosion • Reduced overall part weight • Provided greater design freedom meaning a more complex part could be designed and molded • Enabled several heat exchangers to be consolidated into one, saving space in the vehicle and increasing efficiency Therma-Tech™ Thermally Conductive Formulation KEY REQUIREMENTS WHY AVIENT?

SBD cordless power tool GLOBAL CLOUD SERVICE PROVIDER I N T E R N A L H O L D O F S E R V E R C A B I N E T S • PC-based solution with good impact strength • UL 94 V-0 certification • Dimensionally stable • Offered a 40% glass fiber-reinforced PC solution with high modulus and high impact strength • Achieved a UL 94 V-0 flammability rating at 3.0 mm • Provided pre-colored formulation that met specific white requirements and maintained good color stability even after long-term production at high temperatures • Ensured high flowability so the material could be injected with low pressure, avoiding damage to the metal frame Edgetek Engineered Polymer Formulations KEY REQUIREMENTS WHY AVIENT?

TRANSPORTATION OEM A F T E R M A R K E T M O T O R C Y C L E T R U N K L I D & B A S E • Maintain physical performance of incumbent 30% glass fiber nylon while improving sink and warp issues • Black with an easy-to-paint surface • UV resistant • Collaborated to rapidly provide an alternative material with excellent balance of physical properties and durability • Achieved comparable performance while improving paintability • Quickly provided samples and offered on-site application development and technical support at molding trials Nymax™ Glass and Mineral Fiber Reinforced Nylon 6 Formulation KEY REQUIREMENTS WHY AVIENT?

AUTOMOTIVE OEM S U V R E M O V A B L E R O O F P A N E L L O C K I N G B R A C K E T • Lower weight by replacing cast steel • High stiffness & strength requirements to mimic metal performance • Critical dimensional tolerances to safely secure removable roof panels • Lowered weight by over four pounds per vehicle to achieve 80% reduction with carbon fiber reinforced composite • Provided injection molded material solution to simplify fabrication and eliminate need for powder-coating finish Complēt™ Long Carbon Fiber PPA Composite KEY REQUIREMENTS WHY AVIENT?

POLYONE I N V E S T O R P R E S E N T A T I O N J U N E 2 0 1 8 FORWARD LOOKING STATEMENTS PolyOne Corporation 2 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. V I S I O N PolyOne Corporation 4 To be the world’s premier provider of specialized polymer materials, services and solutions C O R E V A L U E S P E R S O N A L V A L U E S Honesty IntegrityRespect Operational Excellence Commercial Excellence Specialization Globalization Collaboration ExcellenceInnovation To be the world’s premier provider of specialized polymer materials, services and solutions S A F E T Y F I R S T PolyOne Corporation 5 1.3 1.1 1.1 0.85 0.65 0.57 0.54 0.97 0.84 0.74 0.74 0.69 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016 2017 Injuries per 100 Workers Spartech Acquisition PolyOne Corporation 6 P O L Y O N E 2 0 1 7 R E V E N U E | $ 3 . 2 B I L L I O N Transportation 18% Industrial 16% Consumer 12% Packaging 11% Healthcare 11% Wire & Cable 9% Appliance 5% United States 59% Europe 14% Asia 10% Latin America 9% Canada 8% PolyOne Distribution 34% Performance Products & Solutions 21% Specialty Engineered Materials 19% Color Additives & Inks 26% Segment End Market Geography Building & Construction 12% Electrical & Electronics 6% 2009 2010 2011 2012 2013 2014 2015 2016* 2017* P R O O F O F P E R F O R M A N C E C O N S E C U T I V E Y E A R S PolyOne Corporation 7 8 $0.13 $0.68 $0.82 $1.00 $1.31 $1.80 $1.96 $2.06 $2.21 *Pro Forma for sale of DSS 2006 2017 “Where we were” “Where we are” ROIC** 5.0% 14.0% Operating Income % of Sales Color, Additives & Inks 1.7% 15.5% Specialty Engineered Materials 1.1% 12.1% Performance Products & Solutions 4.3% 10.7% Distribution 2.6% 6.3% **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 A D J U S T E D E P S E X P A N S I O N S U S T A I N A B L E P A T H T O D O U B L E - D I G I T E P S G R O W T H PolyOne Corporation 8 P E O P L E P R O D U C T S P L A N E T P E R F O R M A N C E Double digit annual EPS growth Expand specialty portfolio with strategic acquisitions Innovate and develop new technologies and services Repurchase 600K-1M shares annually Increase commercial resources 6-8% annually Double acquired company margins Enhance efficiencies through Lean Six Sigma and commercial excellence 531 680130 153 504 618 2014 Q1 2018 R&D / Technical Marketing Sales PolyOne Corporation 9 Increased commercial headcount + 28% + 18% + 23% Generating opportunities 35% more sales calls 25% more marketing campaigns 1,000 new customers, expanding customer base by 5% $1.0B increase in new opportunities Enhancing efficiency 8% reduction of average territory size, enabling greater customer focus 20% more prospecting calls I N V E S T M E N T I N COMMERCIAL RESOURCES D R I V I N G G R O W T H Lead Specialists T H E E V O L V I N G C U S T O M E R R E L A T I O N S H I P PolyOne Corporation 10 Expanded Path Traditional Path Strategic Accounts/ Field Sales Business Development Customer Service Web and Social Media Inside Sales PolyOne Corporation 11 Investments in digital and dedicated inside sales to improve customer experience 80% increase in leads (from 6,000 to 11,000) driven by website, phone, and online chat EXPANDED PATH A D D I N G C U S T O M E R T O U C H P O I N T S 4 21 2014 2017 Inside sellers $11M $88M 2014 2017 Inside sales/digital revenue N E W R E S O U R C E S F U E L I N G T H E F U T U R E PolyOne Corporation 12 P O L Y O N E S A L E S F U N N E L +34% 2014 $3.0 billion 2017 $4.0 billion A L I G N I N G W I T H T R E N D S F O R G R O W T H T R A N S P O R T A T I O N P A C K A G I N G H E A L T H C A R E C O N S U M E R PolyOne Corporation 13 Facilitate alternative energy solutions Light- weighting Reduce packaging materials Improve recyclability Reduce spread of infection I N N O V A T I O N PolyOne Corporation 14 Customization 55% M&A 30% Innovation Pipeline 15% Innovation comes from Research & Development Spend ($ millions) Vitality Index % of sales from products launched last 5 years 12% 38% 2006 2017 $20 $52 2006 2017 Transformational Opportunity for Growth Through M&A Adjacent Opportunity for Growth Through New Product Pipeline Core Customization 3 H O R I Z O N S O F D E V E L O P M E N T PolyOne Corporation 15 Incremental development from existing base of technology New development adjacent to current technology New technology development outside of and with our current base Service adjacent markets and customers Create new markets, target new customer needs Service existing markets and customers Market Technical I N N O V A T I O N Non-Halogen Flame Retardants Barrier Technologies Fiber Colorants Advanced Composites Thermoplastic Elastomers Gordon Composites/ Polystrand – Composites GLS – Thermoplastic Elastomers ColorMatrix – Liquid Color & Additives I N N O V A T I O N P I P E L I N E PolyOne Corporation 16 PrototypeFrame Opportunity Scale-up & Test Market Build Business Case Commercial Launch (since 2015) Phase 1 Phase 2 Phase 3 Phase 4 Phase 5 8 5 6 2 1 15 4 10 5 11 4 5 7 Breakthrough Platform Derivative Number of Projects 26 16 20 15 2 79 Total Addressable Market ($ millions) - - $1,230 $1,170 $440 $2,840 F L A M E R E T A R D A N T P O L Y M E R S A D V A N C E D C O M P O S I T E S B A R R I E R M A T E R I A L S C O L O R A N T T E C H N O L O G I E S T H E R M O P L A S T I C E L A S T O M E R S I N N O V A T I O N S P O T L I G H T : C O M P O S I T E S PolyOne Corporation 17 C O M P O S I T E S R E F R E S H E R PolyOne Corporation 18 Fiber Polymer Composite Strength Design Flexibility Continuous Fiber Thermoset Composites Short Glass Fiber Thermoplastics Continuous Fiber Thermoplastic Composites Long Glass Fiber Thermoplastics S T R A T E G I C I N V E S T M E N T H I S T O R Y PolyOne Corporation 19 Acquired Polystrand Installed LFT production Avon Lake Long Fiber Thermoplastic (LFT) Technology Installed LFT production Barbastro, Spain Acquired Glasforms Acquired Gordon Composites Thermoplastic Composites Long Fiber Reinforced Thermoplastics Continuous Fiber Thermosets 2010 2012 2015 2016 20162009 20122011 2014 C O M P O S I T E S I N T R A N S P O R T A T I O N PolyOne Corporation 20 W A T E R C R A F TR A I L H E A V Y T R U C K Bulkheads and Transoms Ceilings and Hatches Doors and Cabinetry Flooring Door Panels Side Walls Flooring & Side Panels Aerodynamic Fairings Seat and Bunk Reinforcements PolyOne Corporation 21 Safety Technology Geography Service FinancialPeople Low EH&S risk profile New and complementary technologies Leverage our global footprint Strong customer relationships Foundational operating margins of 8-10% with ability to double Motivated team with a specialty culture I N V E S T - T O - G R O W M & A S T R A T E G Y PolyOne Corporation 22 Capture sourcing synergies Cross-sell & blend technology 8-10% operating margins I N V E S T - T O - G R O W M & A P L A Y B O O K Protect customers Retain employees Implement LSS to drive efficiency improvements Innovate with combined portfolio Safety First! Leverage PolyOne’s global reach Phase 1 Phase 2 Phase 3 18-20% operating margins Invest in commercial resources I N V E S T - T O - G R O W P R O O F O F P E R F O R M A N C E PolyOne Corporation 23 Commercial Resources Operating Income ($ in millions) Operating Margins 243 335 At Acquisition Today $36 $90 At Acquisition Today 11% 20% At Acquisition Today Established Acquisitions (> 7 years) + 40% + 150% + 900 bps I N V E S T - T O - G R O W D R I V I N G T H E F U T U R E PolyOne Corporation 24 Commercial Resources Operating Income ($ in millions) Operating Margins 113 144 206 At Acquisition Today Goal $16 $18 $60 At Acquisition Today Goal 7% 8% 18-20% At Acquisition Today Goal Recent Acquisitions (< 2 years) PolyOne Corporation 25 Average Company Size # of Possibilities Rationale 250 • Local to regional footprint • Niche technology focus • Concentrated customer base $50M–$200M 150 • Regional to global footprint • 1–3 specialty technologies • Diversified customer base >$200M 30 • Global footprint with local service • Diverse specialty technologies • Highly diversified customer & market portfolio S T R O N G P I P E L I N E D R I V E N B Y F R A G M E N T E D M A R K E T $0 $150 $300 $450 $600 $750 2011 2012 2013 2014 2015 2016 2017 2018 $809M R E T U R N I N G C A S H T O S H A R E H O L D E R S O V E R $ 1 B I L L I O N S I N C E 2 0 1 1 PolyOne Corporation $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 Cumulative Share Repurchases (In millions) Increasing Annual Dividend 26 6.3% 14.0% 15.0% 16-17% 2009 2017 Platinum Vision Updated Expectations R O I C D R I V E S S H A R E H O L D E R R E T U R N PolyOne Corporation 27 PolyOne Corporation 28 W H Y I N V E S T I N P O L Y O N E ?