Corporate Media Contact: Kyle G. Trade Media Contact: Michelle Maniscalco Marketing Communications Manager, North America PolyOne Corporation +1 440-930-1988 michelle.maniscalco@avient.com Media Relations Contacts

These materials are especially useful in applications in chemical, fuel contact, and high-moisture environments that benefit from chemical and hydrolysis resistance.   Media contact Nicole DeChant  Avient Corporation  nicole.dechant@avient.com Media Relations Contacts

The new Versaflex PKG material comes as a granular material that is compliant with EU 10/2011 and FDA 177.1210 food contact regulations. Media contact Media Relations Contacts

PolyOne developed an ultra-soft version of its GLS™ TPE (thermoplastic elastomer) approved for food contact and medical applications, and included non-toxic PolyOne colorants.  Media contact: Media Relations Contacts

Joule RHB is approved for PET food contact applications in China up to a level of 20ppm, and for temperature conditions equal to the U.S. Media contacts Media Relations Contacts

Contact Avient here to learn more.   Media Contact Nicole DeChant Avient Corporation nicole.dechant@avient.com Media Relations Contacts

Investor Relations Contact: Isaac D. Media Contact: Kyle G. Media Relations Contacts

Investor Relations Contact: Eric R. Media contact: Kyle G. Media Relations Contacts

Contact an Expert To learn more about FEA and how it can be applied to your polymer application, contact an expert at Avient today! Contact an Expert

Fearon to serve as independent Lead Director Among other responsibilities, the independent Lead Director: Chairs�executive�sessions�of�the�non­employee�Directors�and�provides�feedback�and�perspective�to�the�Chief� Executive�Officer�regarding�discussions�at�these�sessions� Facilitates�communications�between�the�Chairman�and�other�members�of�the�Board� Provides�input�from�the�Directors�to�the�Chairman�of�the�Board�with�regard�to�agendas�and�schedules�for�Board� meetings� Advises�the�Chairman�of�the�Board�as�to�the�quality,�quantity�and�timeliness�of�the�flow�of�information�from� management�to�the�Board�and�regarding�the�effectiveness�of�Board�meetings� Interviews�all�Board�candidates,�and�provide�the�Nominating�and�Governance�Committee�with� recommendations�on�each�candidate� Maintains�close�contact�with�the�Chair�of�each�standing�committee�and�assists�in�maintaining�communications� between�each�committee�and�the�Board� Considers�the�retention�of�advisers�and�consultants�who�report�directly�to�the�Board�of�Directors� Chairs�Board�meetings�when�the�Chairman�of�the�Board�is�unable�to�do�so� Board Oversight of Risk Management The Board oversees risk management, setting appropriate “tone at the top” The Board assesses and analyzes the most likely areas of current and future risk for the Company on an on- going basis The Board regularly communicates with management regarding materials risks and to convey its expectations clearly Stock Ownership Requirements We maintain robust stock ownership requirements The stock ownership requirement for our Chief Executive Officer is 125,000 shares and for all other directors is 12,500 shares (within five years of onboarding) Board Practices Our Board annually conducts an evaluation of its performance, which includes a peer evaluation of each Director The Nominating and Governance Committee reviews criteria for Board membership and considers changes as needed so that the Board continues to reflect the appropriate mix of skills and experience Non-employee Directors may not stand for re-election following the date of the Director’s 72nd birthday, although the Board may waive this limitation if it determines such waiver to be in the best interests of the Company All Directors stand for election annually We maintain a majority voting policy for uncontested Director elections PROXY STATEMENT POLYONE CORPORATION PolyOne Center 33587 Walker Road Avon Lake, Ohio 44012 PROXY STATEMENT Dated March 29, 2018 Our Board respectfully requests your proxy for use at the Annual Meeting to be held at PolyOne’s corporate headquarters located at PolyOne Center, 33587 Walker Road, Avon Lake, Ohio 44012 at 9:00 a.m. on Thursday, May 17, 2018, and at any adjournments of that meeting. The Consultant maintains regular contact with the Compensation Committee and interacts with management to gather the data needed to prepare reports for Compensation Committee review.