Versaflex™ HC TPE is formulated to produce low coring levels in resealing applications. With Versaflex HC, on the other hand, injection molding happens in seconds, and does not require curing or washing, thus saving significant time and reducing cost. Versaflex HC grades give customers confidence that the materials will comply with regulatory requirements.

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

Versaflex™ TF Adhesive Thermoplastic Elastomers (TPEs) for Textile Fabrics As consumers are becoming more health- conscious, there’s a steady increase in the demand for functional, lightweight, and comfortable fitness clothing that is also visually appealing. These solutions can support the strength and elasticity of the fabric for superior shape recovery of up to 99% after 300% elongation over 1 minute. Versaflex TF Adhesive TPEs offer easy processing and shaping, and can also be custom-colored and cost-efficiently laser-cut.

Glendale, Arizona       Shenzhen, China (1) 1.  PolyOne has four reportable segments: (1) Color, Additives and Inks; (2) Specialty Engineered Materials; 3) Performance Products and Solutions; and (4) PolyOne Distribution. Committees: 1, 2 COMMITTEES 1.

1) Compensation forff Mr. PolyOne provides Mr. A-2 APPENDIX B POLYONE CORPORATION 2017 EQUITY AND INCENTIVE COMPENSATION PLAN 1.

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

Seat Ventilation Tube Case Study Snapshot LEADING LUXURY CAR MANUFACTURER S E A T V E N T I L A T I O N T U B E • Reliable sealing performance • Good bonding ASA+PBT • Excellent chemical resistance and good flexibility • Provided a TPE with good flexibility to maintain a tight seal within the ventilation system, preventing air leaks and ensuring efficient airflow • Formulated a durable and chemically resistant grade to help withstand the various stresses and environmental conditions that the ducts may encounter • Offered quick technical support to fix the leak problem for customer Versaflex Thermoplastic Elastomers KEY REQUIREMENTS WHY AVIENT? https://www.avient.com/products/thermoplastic-elastomers/versaflex-thermoplastic-elastomers Slide 1: Leading Luxury Car manufacturer

PowerPoint Presentation MEDICAL DEVICE MANUFACTURER O S T O M Y B A G S E A L S • Comply with ISO 10993 and FDA Class II medical device regulations • Offer Good sealing performance • Provide technical supports for processing recommendations • Deliver a high compression set materials to improve comfort • Provided a medical-grade TPE to help the customer meet necessary regulatory specifications and gain market share • Provided technical support during design and the manufacturing process for EVA bonding • Delivered soft-touch feel and excellent sealing performance Versaflex HC Thermoplastic Elastomers - G2705 Formulation KEY REQUIREMENTS WHY AVIENT? https://www.avient.com/products/thermoplastic-elastomers/versaflex-hc-thermoplastic-elastomers Slide 1: MEDICAL Device manufacturer

GLOBAL CONSUMER ELECTRONICS BRAND G A M I N G W H E E L G R I P • Soft touch feel • Good bonding with PC+20GF substrate • Non-blooming surface finish • Replaced leather with a TPE to improve production efficiency through overmolding • Provided a recyclable alternative to silicone, giving the customer the choice of more sustainable grip material • Offered durable solution with good wear resistance and excellent chemical and oil resistance Versaflex CE TPE KEY REQUIREMENTS WHY AVIENT? LEARN MORE https://www.avient.com/products/thermoplastic-elastomers/versaflex-thermoplastic-elastomers Slide 1: Global consumer electronics brand