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.

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Among other responsibilities, the independent Lead Director: • Chairs executive sessions of the non-employee Directors and provides feedback and perspective to the CEO regarding discussions at these sessions; • Facilitates communications between the Chairman of the Board 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 provides the Governance and Corporate Responsibility Committee with recommendations on each candidate; • Maintains close contact with the Chair of each standing committee and assists in ensuring communications between each committee and the Board; • Considers the retention of advisers and consultants who report directly to the Board; and • Chairs Board meetings when the Chairman of the Board is unable to do so. The Consultant regularly attends Compensation Committee meetings, maintains regular contact with the Compensation Committee, and interacts with management to gather the data needed to prepare reports for Compensation Committee review. If you hold your shares through a bank, broker or other nominee, you must follow the instructions found on your voting instruction card, or contact your bank, broker or other nominee in order to revoke your previously delivered proxy, or participate in the Annual Meeting and vote electronically online during the Annual Meeting.

Investor contact: Eric Swanson Director, Investor Relations PolyOne Corporation +1 440-930-1018 eric.swanson@avient.com Media contact: Kyle Rose Vice President, Corporate Communications PolyOne Corporation +1 440-930-3162 kyle.rose@avient.com Media Relations Contacts

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