Slide 1 PolyOne Corporation Page 1 PolyOne Investor Presentation KeyBanc 2014 Basic Materials & Packaging Conference Boston, MA September 10, 2014 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 use words such as “will,” “anticipate,” “estimate,” “expect,” “project,” “intend,” “plan,” “believe,” and other words and terms of similar meaning in connection with any discussion of future operating or financial performance and/or sales 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.

Management of significant waste-related impacts Work-related injuries Work-related ill health

At Borealis, this is what we mean by re-inventing essentials for sustainable living.”  Media Relations Contacts

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. They use words such as “will,” “anticipate,” “estimate,” “expect,” “project,” “intend,” “plan,” “believe,” and other words and terms of similar meaning in connection with any discussion of future operating or financial performance and/or sales 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.

PolyOne Investor Presentation November 2017 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. They use words such as “will,” “anticipate,” “estimate,” “expect,” “project,” “intend,” “plan,” “believe,” and other words and terms of similar meaning in connection with any discussion of future operating or financial performance and/or sales 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.

Audit-Related Fees. For these purposes, “change of control”, “cause” and “good reason” have the meanings ascribed to such terms in the Continuity Agreements. For these purposes “change of control” has the meaning ascribed to such term in the Annual Plan.

COLORMATRIX™ OXYGEN SCAVENGER PRODUCT FAMILY Amosorb™ and Amosorb™ SolO2 active oxygen scavengers ColorMatrix™ Amosorb™ additives are oxygen scavenging polyester concentrates that create an active barrier against the ingress of oxygen through the walls of PET containers. THE AVIENT OXYGEN SCAVENGER PRODUCT FAMILY APPLICATIONS Amosorb™ and Amosorb™ SolO 2 can help assure product quality, consistency, and extended shelf life for a wide range of oxygen sensitive products including, but not limited to: beer, wine, fruit juices, nectars, teas, jar applications, UHT milk and dairy, sauces and condiments.

The presentation will be posted on PolyOne’s Investor Relations home page at www.avient.com/investor Investor Relations Contact: Isaac D. Media Relations Contacts

The presentation will be posted on PolyOne’s Investor Relations home page at www.avient.com/investor Investor Relations Contact: Isaac D. Media Relations Contacts

The presentation will be posted on PolyOne’s Investor Relations home page at www.avient.com/investor Investor Relations Contact: Isaac D. Media Relations Contacts