PolyOne Board of Directors Appoints Robert M. PolyOne Appoints Michael A. PolyOne Corporation Announces Quarterly Dividend...

LEADING EV MANUFACTURER S E A T B E L T T E T H E R C O V E R • Good abrasion resistance • Excellent weather resistance • Nice flexibility and elasticity • Offered a TPE that withstood mechanical stress and friction, helping to prolong the lifespan of the cover • Delivered good resistance to various environmental factors such as UV radiation, moisture, and extreme temperatures • Provided a solution easily processed and molded using standard thermoplastic processing techniques Versaflex Thermoplastic Elastomers KEY REQUIREMENTS WHY AVIENT? https://www.avient.com/products/thermoplastic-elastomers/versaflex-thermoplastic-elastomers Slide 1: Leading EV manufacturer

GLOBAL FITNESS BRAND R E S I S T A N C E B A N D • Soft material (25-30 Shore A durometer) • Grippy feel • Good colorability • Compatible with injection molding • Developed a custom-made TPE with excellent rebound resilience, even after 45,000 stretches • Replaced thermoset rubber with a recyclable material • Supported higher production efficiency to reduce total cost Versaflex Thermoplastic Elastomers KEY REQUIREMENTS WHY AVIENT? https://www.avient.com/products/thermoplastic-elastomers/versaflex-thermoplastic-elastomers Slide 1: Global fitness brand

Versaflex™ HC TPEs for IV Infusion Cap (English) Trilliant™ HC Thermoplastics and Versaflex™ HC TPEs for Surgical Stapler (Chinese) Trilliant™ HC Thermoplastics and Versaflex™ HC TPEs for Surgical Stapler (English)

Versaflex™ HC TPEs for IV Infusion Cap (English) Trilliant™ HC Thermoplastics and Versaflex™ HC TPEs for Surgical Stapler (Chinese) Trilliant™ HC Thermoplastics and Versaflex™ HC TPEs for Surgical Stapler (English)

Versaflex™ HC TPEs for IV Infusion Cap (English) Trilliant™ HC Thermoplastics and Versaflex™ HC TPEs for Surgical Stapler (Chinese) Trilliant™ HC Thermoplastics and Versaflex™ HC TPEs for Surgical Stapler (English)

PolyOne Investor Presentation PolyOne Investor Presentation March 2018 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. In addition, operating income before special items and adjusted EPS are components of various PolyOne annual and long-term employee incentive plans Adjusted EPS attributable to PolyOne common shareholders is calculated as follows: 2009* 2010* 2011* 2012* 2013* 2014* 2015* 2016 2017 Net income from continuing operations attributable to PolyOne common shareholders $ 106.7 $ 152.5 $ 153.4 $ 53.3 $ 94.0 $ 78.0 $ 144.6 $ 166.4 $ 173.5 Joint venture equity earnings, after tax (19.0) (14.7) (3.7) — — — — — — Special items, before tax(1) (48.7) 24.2 (48.1) 55.1 46.3 164.2 87.6 23.8 32.9 Special items, tax adjustments(1) (27.2) (96.7) (24.7) (18.9) (13.7) (73.7) (58.7) (15.9) (24.8) Adjusted net income from continuing operations attributable to PolyOne common shareholders $ 11.8 $ 65.3 $ 76.9 $ 89.5 $ 126.6 $ 168.5 $ 173.5 $ 174.3 $ 181.6 Diluted shares 93.4 96.0 94.3 89.8 96.5 93.5 88.7 84.6 82.1 Adjusted EPS attributable to PolyOne common shareholders $ 0.13 $ 0.68 $ 0.82 $ 1.00 $ 1.31 $ 1.80 $ 1.96 $ 2.06 $ 2.21 * Historical results are shown as presented in prior filings and have not been updated to reflect subsequent changes in accounting principle, discontinued operations or the related resegmentation

This is the fourth year that PolyOne has received a Ringier Innovation Award. About PolyOne PolyOne Corporation, with 2015 revenues of $3.4 billion, is a premier provider of specialized polymer materials, services and solutions. To access PolyOne’s news library online, please go to www.avient.com/news

Homepage // News Center // Switching to PolyOne Conductive Polymer Triples Lifetime of LED Pool Lighting PolyOne’s Therma-Tech thermally conductive materials provided Akboru Elektrik with the solution to oxidation problems on metal heat sinks. About PolyOne PolyOne Corporation, with 2016 revenues of $3.3 billion, is a premier provider of specialized polymer materials, services and solutions.

Revolutionary New Fiber Coloration Technology from PolyOne. About PolyOne To access PolyOne’s news library online, please go to www.avient.com/news