Lastly, our design capabilities ensure that the application is designed perfectly for the specific end use. Our exceptional polymer scientists and design engineers are integral to their product development process. Design times can be less than three days for colorants.

Lastly, our design capabilities ensure that the application is designed perfectly for the specific end use. Our exceptional polymer scientists and design engineers are integral to their product development process. Design times can be less than three days for colorants.

PolyOne Corporation Page 1 PolyOne Investor Presentation Credit Suisse Boston Basic Materials Conference June 2015 PolyOne Corporation Page 2 Forward-Looking Statements  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. They are based on management’s expectations that involve a number of business risks and uncertainties, any of which could cause actual results to differ materially from those expressed in or implied by the forward-looking statements. Appendix Q1 2015 Financial Highlights At a Glance�Global Color, Additives and Inks At a Glance�Global Specialty Engineered Materials At a Glance�Designed Structures and Solutions At a Glance�Performance Products and Solutions At a Glance�Distribution Plastics: Key to Future Sustainable Development Commitment to Operational Excellence Application Examples Slide Number 28 Authentication Technology 2015 Range Rover Evoque Interior Slide Number 31 Metal Replacement Solutions Next Generation Solar Charger High-Barrier Packaging Containers Aerospace Applications Credit Suisse - June 25 2015 r2 Credit Suisse - June 25 2015

They are based on management’s expectations that involve a number of business risks and uncertainties, any of which could cause actual results to differ materially from those expressed in or implied by the forward-looking statements. Ripcords • Lubricated, color coated, various fibers • Rips through any material including steel armor • Made from Kevlar, Vectran LCP or PET polyester 12. Service:�The Timeless differentiator Talent development IQ DESIGN LABS LSS CUSTOMER FIRST 3D Printing�Bringing New ideas to life Slide Number 36 Innovating with PolyOne COLOR, ADDITIVES & INKS Color, Additives & Inks Specialty Engineered Materials Specialty Engineered Materials Performance Products & Solutions Performance Products & Solutions DISTRIBUTION Overview of RAW MATERIAL PURCHASES Target end markets & �application examples Slide Number 47 Slide Number 48 Slide Number 49 Slide Number 50 Slide Number 51 Slide Number 52 Slide Number 53 Slide Number 54 Slide Number 55 Slide Number 56 Slide Number 57

GLS TPEs are designed to help you stand out from your competitors with reduced appliance movement and noise. Processing conditions can cause material properties to shift from the values stated in the information. Processing conditions can cause material properties to shift from the values stated in the information.

E A R D E F E N D E R B R A C K E T • Minimize shrinkage • Good mechanical resistance • Good wear resistance • Collaborated with Avient Design to provide detailed material analysis and recommendations within one month of initial customer enquiry • Demonstrated material performance and compatibility with customer’s existing manufacturing process using mold flow analysis • Provided an internally lubricated material allowing customer to streamline manufacturing process LubriOne™ Internally Lubricated Formulation KEY REQUIREMENTS WHY AVIENT?

   Designed Structures and Solutions    Designed Structures and Solutions The Specialty Platform consists of our three specialty segments: Color, Additives and Inks; Specialty Engineered Materials; and Designed Structures and Solutions.

Designed Structures and Solutions Designed Structures and Solutions Designed Structures and Solutions

Bring us your challenges and let our material experts help you find the right solution for your specific needs. Processing conditions can cause material properties to shift from the values stated in the information. Our dispersions team offers world-class custom color matching and specialized performance additives to optimize your design combined with regulatory coordination and support to help mitigate risk.

BATTERY JUNCTION BOX Stat-Tech™ Static Dissipative & Electrically Conductive Formulations Surround™ EMI/RFI Shielding Formulations • Integrated EMI/RFI shielding • Lightweight • Easier to process vs metals MODULE CONNECTOR Therma-Tech™ Thermally Conductive Formulations • Flame resistance • Easy molding • Good stiffness and mechanical strength • Thermal conductivity EV CONNECTOR Edgetek™ PKE Polyketone Formulations • Excellent chemical resistance • Low moisture uptake • Non-halogenated flame retardant performance • Colorable (RAL Orange) • Reduced carbon footprint vs PA6 and PA66 COOLING SYSTEM Therma-Tech™ Thermally Conductive Formulations • Tensile strength • Chemical resistance • Thermal conductivity BATTERY FRAME Maxxam™ FR Flame Retardant Polyolefin Formulations Edgetek™ Engineered Polymer Formulations Polystrand™ Continuous Glass Fiber Reinforced Thermoplastics • Flame resistance • Easy molding • Lightweight • Non-halogenated flame retardant HOUSING TRAY OnForce™ Long Glass Fiber Reinforced Polypropylene Composites Stat-Tech™ Static Dissipative & Electrically Conductive Formulations Polystrand™ Continuous Glass Fiber Reinforced Thermoplastics • Design integration & freedom • Structural performance • EMI shielding BATTERY MANAGEMENT CONTROLLER Stat-Tech™ Static Dissipative & Electrically Conductive Formulations Surround™ EMI/RFI Shielding Formulations • Integrated EMI/RFI shielding • Lightweight • Easier to process vs metals BATTERY HOUSING/COVER OnForce™ Long Glass Fiber Reinforced Polypropylene Composites Complēt™ Long Fiber Reinforced Structural Thermoplastics • Metal replacement • Lightweighting • Flame retardancy • Structural performance • Design integration & freedom Polystrand™ Continuous Glass Fiber Reinforced Thermoplastics • Localized biaxial reinforcement • Impact performance • Overmolding compatibility • Flame retardancy • Integrated assembly point stiffening ENGINEERED MATERIALS FOR EV BATTERIES CELL MODULE Therma-Tech™ Thermally Conductive Formulations • Flame resistance • Easy molding • Good stiffness and mechanical strength • Thermal conductivity UNDERBODY PROTECTION Polystrand™ Continuous Glass Fiber Reinforced Thermoplastics • Superior impact performance • Significantly lighter than steel • Simplified integration with housing • Corrosion resistance • Flame retardancy