CLEVELAND, May 11, 2017 /PRNewswire/ -- The Board of Directors of PolyOne Corporation (NYSE: POL), has declared a quarterly cash dividend of thirtee

CLEVELAND – Oct. 8, 2015 – The Board of Directors of PolyOne Corporation (NYSE: POL) has declared a quarterly cash dividend of twelve cents ($0.12) per share on the common stock outstanding, representing a 20% increase to the quarterly cash dividend and the fifth consecutive year of annual dividend growth. Director, Investor Relations PolyOne Corporation

Board of Directors

Composition of the Board, director responsibilities, access to management and independent advisors, director compensation, and director orientation and continuing education

General Policy: The Board of Directors of Avient Corporation (the “Company”) has determined, consistent with the Company’s Code of Conduct, that it is the Company’s policy to comply with all applicable federal and state securities laws, including those relating to buying or selling securities of the Company. These guidelines include the requirement that plans only be entered into during a time other than during a blackout period and that they include a waiting period thereafter before the first trade pursuant to the trading plan, the length of which varies depending on whether or not you are a director or officer of the Company. 13. Revised: December 20, 2024 ANNEX A COVERED EMPLOYEES All Directors All Elected Officers All Appointed Officers Assistant Controller Executive Assistants to Covered Employees Corporate Communications/Investor Relations (all levels) Internal Audit VP, Directors, Managers and Staff of Audit (all levels), Tax Managers and Tax Analysts, Staff of Tax (all levels) Directors, Managers and Staff, Mergers and Acquisitions and functional professionals supporting Mergers and Acquisitions (including Legal professionals) All Other Employees (including Finance and IT employees) with access to full quarterly results within the Avient Systems Secretaries and Direct-Reporting Assistants to any Covered Employee Financial and Business Consultants who have undertaken to comply with this policy Revised: December 20, 2024 ANNEX B Please access the PeopleLink home page and search for “pre-clearance” after clicking “My Help” General Counsel: Amy M.

Johnson previously served as Director of Strategic Tax Planning, Leader of the Intellectual Property Program, and Director of Transfer Pricing at Illinois Tool Works Inc., a Fortune 200 global diversified, industrial manufacturer.

Avient’s management presents the ERM analysis to Avient’s Board of Directors regularly.

Board of Directors

Swanson, Director, Investor Relations, PolyOne Corporation, +1 440-930-1018, eric.swanson@avient.com; Media Contact: Kyle G.

Director, Investor Relations PolyOne Corporation