PolyOne testing shows that ColorMatrix Amosorb 4020G is one of the most robust oxygen scavengers for PET rigid containers, with negligible effects on efficacy for the rPET grades tested, while other competitive materials lost almost all oxygen scavenging ability with rPET content as low as 20 percent. About PolyOne To access PolyOne’s news library online, please go to www.polyone.com/news

11.866.POLYONE www.polyone.com MAXXAM™ FILLED & REINFORCED POLYOLEFINS PRODUCT SELECTION GUIDE 2 31.866.POLYONE www.polyone.com MAXXAM™ FILLED & REINFORCED POLYOLEFINS PolyOne manufactures a complete line of filled and reinforced polymer polyolefins for injection molding and blow molding. PolyOne makes no warranties or guarantees respecting suitability of either PolyOne’s products or the information for your process or end-use application. At PolyOne, we pride ourselves on our material science expertise, processing knowledge and creative design capabilities.

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 $36 $90 20% Established Acquisitions (> 7 years) + 40% + 150% + 900 bps I N V E S T - T O - G R O W D R I V I N G T H E F U T U R E PolyOne Corporation 24 Commercial Resources Operating Income ($ in millions) Operating Margins 113 144 206 $16 $18 $60 7% 8% 18-20% 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% 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 ? 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.

Climate change is one of the most pressing issues facing the world today and is creating risks and opportunities for businesses across all industries. Most of Avient’s Scope 1 and 2 GHG emissions are attributable to the consumption of energy. Scope 3 emissions are many times greater than our combined Scope 1 and 2 emissions.

2) Calculated using PolyOne’s March 1, 2016 closing stock price of $27.52. The SARs were also subject to performance-based vesting and vested upon the attainment of stock price hurdles (based on PolyOne’s closing stock price and sustained for thirty consecutive trading days) for our common shares as follows: one-third at $16.07; one-third at $16.80; and one- third at $17.53. 16) Represents stock-settled SARs granted on February 4, 2015 that vest in increments upon the attainment of stock price hurdles (based on PolyOne’s closing stock price and sustained for thirty consecutive trading days) for our common shares as follows: one-third at $42.10; one-third at $44.01; and one-third at $45.92.

In response, a post-human aesthetic emerges, one which embraces this discomfort, playing upon it to create something original. About PolyOne PolyOne Corporation

In addition, operating income before special items and adjusted EPS are components of various PolyOne annual and long-term employee incentive plans 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 2) Adjusted EBITDA does not include the pro forma impact of acquired businesses for the trailing twelve months ended June 30, 2016.

Homepage // News Center // PolyOne Accelerates Design Freedom for Dairy Brands with Novapet PET Light Blocker With three PET production plants, the Company manufactures over 260,000 tons of PET resin annually and more than one billion preforms for food and beverage containers. About PolyOne PolyOne Corporation, with 2015 revenues of $3.4 billion, is a premier provider of specialized polymer materials, services and solutions.

October 2, 2014 PolyOne To Hold Third Quarter 2014 Conference Call PolyOne Celebrates Grand Opening of New Facility In India

Describe the resilience of the organization’s strategy, taking into consideration different climate-related scenarios, including a 2°C or lower scenario Disclose Scope 1, Scope 2 and, if appropriate, Scope 3 greenhouse gas emissions and the related risks