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. Factors that could cause actual results to differ materially from those implied by these forward-looking statements include, but are not limited to: • The ability to successfully integrate acquired companies into our operations, retain the management teams of acquired companies, retain relationships with customers of acquired companies, and achieve the expected results of such acquisitions, including whether such businesses will be accretive to our earnings; • Disruptions, uncertainty or volatility in the credit markets that could adversely impact the availability of credit already arranged and the availability and cost of credit in the future; • The effect on foreign operations of currency fluctuations, tariffs and other political, economic and regulatory risks; • Changes in polymer consumption growth rates and laws and regulations regarding the disposal of plastic in jurisdictions where we conduct business; • Changes in global industry capacity or in the rate at which anticipated changes in industry capacity come online; • Fluctuations in raw material prices, quality and supply and in energy prices and supply; production outages or material costs associated with scheduled or unscheduled maintenance programs; • Unanticipated developments that could occur with respect to contingencies such as litigation and environmental matters; • Information systems failures and cyber attacks; and • Other factors affecting our business beyond our control, including, without limitation, changes in the general economy, changes in interest rates and changes in the rate of inflation. You are advised to consult any further disclosures we make on related subjects in our reports on Form 10-Q, 8-K and 10-K that we provide to the Securities and Exchange Commission.

Total expected cost synergy estimates increased from $60 million to $75 million, and the rate of capture has also accelerated. Patterson added, “We will provide more details on our upcoming webcast, but our headline projection for 2021 is that we expect revenue growth of approximately 8% pro forma will drive adjusted EPS expansion from $1.93 to $2.40 - an increase of 24%.” You are advised to consult any further disclosures we make on related subjects in our reports on Form 10-Q, 8-K and 10-K that we provide to the Securities and Exchange Commission.

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Effective Tax Rate Effective Tax Rate Attachment 8

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Color Prediction Service: a digital tool developed to illustrate the color possibilities or limitations of certain post-consumer recycled (PCR) content before sample development to help simplify the overall decision-making process for brand owners and technical colorists  

In addition, samples exposed to high humidity for seven days at 85°C and 85% relative humidity showed limited loss of color, suggesting that these colorants can be used in high-humidity environments.

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With these new grades, we effectively help to lower our customers’ scrap rates and material usage while allowing them to achieve a premium quality end product.” PolyOne will exhibit in booth 425 at Plastics Extrusion World Expo (Cleveland, OH), May 8-9. Additionally, Kristin Meyers, Geon senior industry manager for PolyOne, will be presenting ‘Solutions in Dark Color Outdoor Architectural Applications’ on May 8 in the Pipe & Profile Theater at the event.

General purpose screws work well. 8 Gravi-Tech WALL THICKNESS Uniform wall thickness will achieve a uniform cooling, fill, and shrink rate. It is limited to a number of cavities such as (4, 8, 16, 32, 64). The relative shear rate is determined by the fill time.