Media Contact: Kyle Rose Director, Corporate Communications PolyOne Corporation +1 440-930-3162 kyle.rose@avient.com

  CLEVELAND, Oct. 10, 2019 /PRNewswire/ -- The Board of Directors of PolyOne Corporation (NYSE: POL) has declared a quarterly cash dividend of t

CLEVELAND, Feb. 8, 2021 /PRNewswire/ -- The Board of Directors of Avient Corporation (NYSE: AVNT), a leading provider of specialized and sustainabl

PolyOne Board Elects Kim Ann Mink as Director

Media Contact: Kyle Rose Director, Corporate Communications PolyOne Corporation +1 440-930-3162 kyle.rose@avient.com

CLEVELAND, Oct. 14, 2021 /PRNewswire/ -- The Board of Directors of Avient Corporation (NYSE: AVNT), a leading provider of specialized and sustainab

Swanson Director, Investor Relations PolyOne Corporation +1 440-930-1018 eric.swanson@avient.com

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

Originat Cycte Start Date: Expiry Date of Previous Cycle: Certification/Recertification Audit Date: Certification/Recertification Cycte Start Date: Subject to the continued satisfactory operation of the organization's Management System, this certificate expires on: Certificate No: N1027324 I Version: 1 02 December 2003 14 Septembe r 2O24 16 February 2024 06 March 2024 18 March 2027 Revision date: 06 March 2024 Ow^ An\qgKerbusch - Director Certification Benelux Managing Office: Bureau Veritas lnspection and Certification The Netherlands B.V. - Ptotterweg 38, 3821 BB nmersfoort lssuing Office: Bureau Veritas lnspection and Certification The Nethertands B.V. - Plotterweg 38, 3821 BB Amersfoort Further clarifications regarding the scope of this certificate and the appticabitity of the management system requirements may be obtained by consutting the organization. Standard ISO 900 1:2015 Scope of suppty Version: 1 Revision date: 06 March 2024 Kerbusch - Director Certification Benelux Managing office: Bureau veritas lnspecLion and certification The Nethertan

Microsoft Word - EHS Committee Charter (Amended July 2022).doc AVIENT CORPORATION ENVIRONMENTAL, HEALTH AND SAFETY COMMITTEE CHARTER Membership • Members of the Environmental, Health and Safety Committee (the “Committee”) of the Board of Directors (the “Board”) of Avient Corporation (the “Company”) will be appointed by the Board each year. • Each Committee member will serve at the pleasure of the Board for such term as the Board may decide. Each Committee member will serve until his or her successor is elected and qualified, or until his or her earlier death, retirement, resignation, or removal by the Board. • The Committee will consist of a minimum of three directors.