PolyOne to Begin Thermoplastic Elastomer Production in India PolyOne Expands Lineup of Pre-Certified Biocompatible Healthcare Colorants and Additives PolyOne Showcases New Specialty Wilflex™ and Rutland™ Inks at ISS 2018

New LubriOne Formulations from PolyOne Improve Processability and Performance PolyOne Improves Vehicle Interior Air Quality with OnFlex™ LO TPEs PolyOne to Begin Specialty Engineered Material Production in India

PolyOne Invests in its GSDI Specialty Dispersions Assets and Technology Easier Optical Fiber Installation for High-Speed Connectivity with New PolyOne Low CoF Formulation PolyOne Showcases Industry-Leading Solutions at WIRE 2016

Relies on PolyOne GlasArmor™ Panels Take Performance to the Extreme with COMPTEK™ PEEK Blends from PolyOne PolyOne Showcases Performance Plastics for Signs at ISA Sign Expo

July 1, 2020 PolyOne PolyOne

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. 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 ? Investor Presentation for Website PolyOne investor presentation Forward Looking Statements USE OF �NON-GAAP�MEASURES Vision Safety First PolyOne�2017 Revenue | $3.2 billion Proof of Performance Sustainable Path to Double-Digit EPS Growth Investment in Commercial Resources driving growth The Evolving Customer Relationship Slide Number 11 New Resources Fueling the Future Aligning with trends for Growth Innovation 3 Horizons of Development Innovation Pipeline Innovation Spotlight: Composites Composites Refresher Strategic Investment History COMPOSITES in Transportation Invest-to-Grow M&A Strategy Invest-to-Grow M&A Playbook Invest-to-Grow Proof of performance Invest-to-Grow Driving the future Strong Pipeline�driven by fragmented Market Returning cash to shareholders�Over $1 Billion since 2011 ROIC drives shareholder return Why Invest In PolyOne?

Homepage // News Center // Discover Sparkling New Wilflex™ Special Effects Textile Printing Inks from PolyOne at ISS 2017 About PolyOne PolyOne Corporation, with 2015 revenues of $3.4 billion, is a premier provider of specialized polymer materials, services and solutions. About Wilflex PolyOne Wilflex Screen Printing Inks are more than just textile inks.

PolyOne Completes Sale of Performance Products and Solutions PolyOne Announces Third Quarter 2019 Results PolyOne To Hold Third Quarter 2019 Conference Call

PolyOne Acquires Gordon Composites and Polystrand PolyOne Corporation Announces Quarterly Dividend PolyOne To Hold Second Quarter 2016 Conference Call

PolyOne Hires Richard N. PolyOne Receives BD Supplier of the Year Award PolyOne Announces First Quarter 2015 Results