PolyOne Corporation PolyOne Corporation PolyOne Corporation

PolyOne Corporation PolyOne Corporation PolyOne Corporation

PolyOne Corporation PolyOne Corporation PolyOne Corporation

PolyOne Corporation PolyOne Corporation PolyOne Corporation

Sanders Senior Vice President, General Counsel, Secretar y and Corporate Ethics Officer Leslie M. Jellison Retired Vice President, Chief Financial Officer, Stryker Corporation Committees: 1*, 3 Ashish K . President and Chief Executive Officer, Avient Corporation Committee: 3 Sandra B.

Our materials address strong consumer demands for enhanced safety, purity, and regulatory compliance. Sandy Wagner Marketing Communications Manager PolyOne Corporation +1 815-385-8500 sandy.wagner@avient.com Company Officers

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. Avient Protective Materiats (Heerten) Eisterweg 3, 6422 pN Heerten, The NetherIands Design, devek:pment, marketing & sales and related apptication support of UHA4WPE, Uttra - High -Motecutar-Weigh t PolyEthytene fibers and UniDirectionat sheets Site Address Scope @ EIT:TilU rE:I:.TETCI c o t rrl +,t (u U tr-rf. r- +-t r_ o CJ V) CU '(- (.) 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

Ethics Hotline We expect that most questions and concerns or potential violations can be effectively addressed by your supervisor, human resources representative or the Corporate Ethics Officer. For other officers and employees, waivers may be granted only by the Corporate Ethics Officer in consultation with the standing members of the Ethics Committee. These disclosures should be submitted for resolution, in writing, to the General Counsel or the Corporate Ethics Officer.

The SDGs address global environmental, social and economic issues and blueprint the path to a more sustainable future. Avery Dennison Corporation FMC Corporation The Scotts Miracle-Gro Company Cabot Corporation H.B. Management Continuity Agreements We have entered into Continuity Agreements with all of our elected corporate officers, including each of the Named Executive Officers.

PolyOne Corporation chairman, president and chief executive officer; executive vice president and chief financial officer; and other senior executives.