Attending and Voting at the Annual Meeting PROXY SUMMARY Company Operating Performance Our Company Culture PROXY SUMMARY Impact of Our Performance on Named Executive Officer 2018 Compensation Annual Incentive Plan 2018 Annual Incentive Program Payouts Named Executive Officer 2018 Target Opportunity ($) Payout (%) Payout ($) Long-Term Incentive Program 2016 – 2018 Cash-Settled Performance Units Performance Measure: Adjusted EPS Performance Periods Weighting Target Result Payout % PROXY SUMMARY Our Director Nominees and Committee Membership Name Age Director Since Principal Position Notable Skills and Experiences Independent Committee Membership* (M=Member, C=Chair) AC CC N&GC EH&SC PROXY SUMMARY Name Age Director Since Principal Position Notable Skills and Experiences Independent Committee Membership* (M=Member, C=Chair) AC CC N&GC EH&SC Average Tenure Average Age Gender Diversity 5.25 59 30% Governance Highlights Director Independence Independent Lead Director PROXY SUMMARY Board Oversight of Risk Management Stock Ownership Requirements Board Practices PROXY STATEMENT POLYONE CORPORATION PolyOne Center 33587 Walker Road Avon Lake, Ohio 44012 PROXY STATEMENT Dated March 28, 2019 ELECTION OF BOARD OF DIRECTORS PROPOSAL 1 — ELECTION OF BOARD OF DIRECTORS Our Board recommends a vote FOR all the nominees listed below.

The product description, quantity, price and payment terms identified on Seller’s order confirmation and these Terms and Conditions (“Terms”) govern all sales by Seller and are the exclusive terms and conditions of sale, except as modified by a written agreement signed by the parties. No statement of agreement, oral or written, made before or at the formation of the contract shall vary or modify the written terms hereof, and neither party shall claim any amendment, modification or release from any provision hereof unless such change occurs in a writing signed by the other party and specifically identifying it as an amendment to the contract.

Aangezien romantische of verkerende relaties buiten de toezichtshiërarchie eveneens verstorend kunnen zijn en de moraal en het vertrouwen in de organisatie kunnen schaden, afhankelijk van de omstandigheden, verwachten we dat alle medewerkers die verwikkeld zijn in dit soort relaties om gezond oordeel te gebruiken, te handelen met discretie en zich bewust te zijn van iedere negatieve impact die hun relatie op hun collega’s kan hebben. Sommige van de vaker voorkomende gevallen van belangenverstrengeling kunnen zich voordoen indien u: • aan activiteiten deelneemt die ingaan, of lijken in te gaan, tegen de belangen van ons bedrijf • een persoonlijk of financieel voordeel krijgt van, een financieel belang heeft in, werkt voor, of diensten levert aan een bedrijf dat zaken doet met ons of met een concurrent of dat wil doen 22 Inhoudsopgave • uw zakelijke beslissingen laat beïnvloeden, of schijnbaar laat beïnvloeden, door persoonlijke of familiale belangen of vriendschappen - bijvoorbeeld wanneer bedrijven in bezit/onder controle van u of een familielid zaken proberen te doen met Avient • extern werk (inclusief diensten voor een Raad) verricht dat negatieve impact heeft op uw werkprestatie of strijdig is met uw verantwoordelijkheden aan Avient • bedrijfseigendom, -informatie of -middelen gebruikt voor uw persoonlijk voordeel of het voordeel van anderen • een familielid, inclusief schoonfamilie, of iemand waarmee u een romantische relatie heeft, aanneemt, er leiding aan geeft of als een directe of indirecte ondergeschikte heeft. De reikwijdte en impact van onze operaties, gekoppeld aan onze hoge ethische normen, vereisen dat we zeer duurzame oplossingen nastreven die de test der tijd kunnen weerstaan.

• The ability to successfully integrate acquired companies into our operations, retain the management teams of acquired companies, retain relationships with customers of acquired companies, and achieve the expected results of such acquisitions, including whether such businesses will be accretive to our earnings; • 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; • 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. Dye fabric without water, spin plastic bottles into thread, maximizing performance while minimizing impact.” Investor Day Deck - Web Investor Day Forward �Looking �Statements Factors that could cause actual results to differ materially from those implied by these forward-looking statements include, but are not limited to: USE OF �NON-GAAP�MEASURES Investor Day Agenda May 10, 2018 The Leaders Behind the Team Introduction Historic Past Sustainability AT PolyOne Safety First the PolyOne Academy Sustainably Impacting diverse End Markets Products and Portfolio Optimization OUR PLANET Sustainability AT PolyOne Adjusted EPS Expansion Early years defined by Specialty �mix improvement Commodity Pruning �Held Organic Sales Flat Investment in Commercial Resources Driving Results Sustainable Path to Double-Digit EPS Growth Raising the Bar�ROIC drives shareholder return Commercial Excellence STRATEGIC INVESTMENT IN 3 KEY AREAS Key Commercial Investments New Resources Fueling the Future Aligning with trends for Growth Innovation 3 Horizons of Development 3 Horizons of Development 3 Horizons of Development Innovation Pipeline Innovation Drives Earnings Growth IQ DESIGN LABS 3D Printing�Bringing New ideas to life LSS CUSTOMER FIRST The Evolving Customer Relationship Slide Number 37 Inspired future Innovating with PolyOne PolyOne Distribution DISTRIBUTION Service is our business Service is our business Key Commercial Investments Growth through Inside Sales Growth through Multiple Sales Channels New Resources Fueling the Future Inspired future Specialty Engineered Materials Specialty Engineered Materials Specialty Engineered Materials Capitalizing on the global market STRATEGIC INVESTMENT IN 3 KEY AREAS Key Commercial Investments New Resources Fueling the Future growth Through Service Innovation Spotlight: Composites Composites Refresher Strategic Investment History COMPOSITES in Transportation Slide Number 61 Inspired future Performance Products �& Solutions Performance Products & Solutions Performance Products & Solutions STRATEGIC INVESTMENT IN 3 KEY AREAS Key Commercial Investments New Resources Fueling the Future Growth Through Service Growth Through Service Innovation Spotlight: �Flame Retardant�Polymers FLAME RETARDANT �DRIVERS Flame Retardant Performance Spectrum LED Solutions Inspired future Color Additives�& Inks COLOR, ADDITIVES & INKS Color, Additives & Inks Capitalizing on the global market STRATEGIC INVESTMENT IN 3 KEY AREAS Key Commercial Investments New Resources Fueling the Future Growth Through Service Innovation Spotlight: Additive & Colorant�Technologies Barrier Technologies Fiber Colorants Strategic Investment History Slide Number 88 Slide Number 89 COLORMATRIX SELECT™ Enabling the Customer Slide Number 92 Inspired future M&A Review Over a decade of successful specialty acquisitions Invest-to-Grow Strategy Invest-to-Grow Playbook Invest-to-Grow Proof of performance Invest-to-Grow Proof of performance Invest-to-Grow Driving the future Invest-to-Grow Driving the future Strong Pipeline�driven by fragmented Market Summary Financial Review Adjusted EPS Expansion Strategic cash deployment Proof of Performance �Expanding Margins & ROIC Investment in Commercial Resources Driving Results Sustainable Path to Double-Digit EPS Growth ROIC drives shareholder return ROIC drives shareholder return Conclusion Investor Presentation - May 2018 Non-GAAP Investor Presentation - March 2018

Hand tools, smartphone cases and razor handles are examples of products that benefit from using a combination of soft and hard textures to improve grip, add tactile sensation or cushion impact.

Hand tools, smartphone cases and razor handles are examples of products that benefit from using a combination of soft and hard textures to improve grip, add tactile sensation or cushion impact.

Hand tools, smartphone cases and razor handles are examples of products that benefit from using a combination of soft and hard textures to improve grip, add tactile sensation or cushion impact.

Hand tools, smartphone cases and razor handles are examples of products that benefit from using a combination of soft and hard textures to improve grip, add tactile sensation or cushion impact.

Hand tools, smartphone cases and razor handles are examples of products that benefit from using a combination of soft and hard textures to improve grip, add tactile sensation or cushion impact.

Hand tools, smartphone cases and razor handles are examples of products that benefit from using a combination of soft and hard textures to improve grip, add tactile sensation or cushion impact.