IDEA is one of the most prestigious and rigorous design competitions in the world. Tackling a worldwide challenge like this one aligns well with our sustainability goals and commitment to our local and global communities, and we are honored by the recognition that this award from IDSA conveys.” About PolyOne

Investor Day POLYONE I N V E S T O R P R E S E N T A T I O N M A R C H 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. Tax adjustments include the net tax expense/benefit from one-time income tax items, the set-up or reversal of uncertain tax position reserves and deferred income tax valuation allowance adjustments. PolyOne investor presentation Forward Looking Statements USE OF �NON-GAAP�MEASURES Vision PolyOne�2017 Revenue | $3.2 billion Adjusted EPS Expansion Early years defined by Specialty �mix improvement Proof of Performance & Platinum Vision Investment in Commercial Resources driving growth Slide Number 10 Returning cash to shareholders�Over $950 million since 2011 3 Horizons of Development Innovation Pipeline IQ DESIGN LABS LSS CUSTOMER FIRST Why Invest In PolyOne?

Colors are extracted from the earthy organic tones of unpolished rocks and minerals. New Frontier, developed in collaboration with ECKART Effect Pigments (a division of ALTANA), this palette evokes a deep connection to travel in space. About PolyOne

Stan-Tone™ EPX Epoxy Dispersions Stan-Tone™ WDN Water Dispersions Stan-Tone™ EPX Epoxy Dispersions

2018, PolyOne plans to present additional details about design and materials innovation in the outdoor high-performance market as one of several high-growth focus areas that underpin the company's expectation of delivering double digit EPS growth in 2018 and beyond.  PolyOne PolyOne

HC360 magazine selected PolyOne as one of the outstanding leading brands committed to promoting the development of China’s plastics industry over the last year. About PolyOne To access PolyOne’s news library online, please go to www.polyone.com/news.

We’re defining our own future—one in which we expect to take PolyOne from gold to platinum. MINE SAFETY DISCLOSURES Not applicable. Environmental, Health and Safety 4.

OnColor™ Infrared Sortable Black for Recyclable Packaging contain no carbon black pigment, permitting the automatic optical sorting sensors used in many waste management plants to detect black polymers and sort waste into the correct recycling streams. About PolyOne To access PolyOne’s news library online, please go to www.polyone.com/news

From product protection to aesthetics, we offer packaging customers one of the largest polymer-based solution and service portfolios available.” PreservaPak™ high-barrier sheet and rollstock solutions for food protection Duragard™ sheet and rollstock for household and personal care packaging

It’s in this spirit that we joined legacy PolyOne and the Clariant Masterbatch business, two complementary businesses, and formed a new one that we’ve named Avient. As one, we are better positioned than ever before to lead and to make a positive difference. We are better together through: Keeping Safety First — PolyOne and Clariant are both ACC Responsible Care® companies, and nothing is more important than the health, safety and well-being of our people.