Industrial Valle del Cinca s/n Apartado 18 22300 Barbastro, Huesca Spain has been assessed by ABS Quality Evaluations, Inc. and found to be in conformance with the requirements set forth by: ISO 14001:2015 The Environment Management System is applicable to: DEVELOPMENT, PRODUCTION & DISTRIBUTION OF TECHNICAL THERMOPLASTICS.

In alignment with these principles and practices, Avient is committed to:  Complying with all applicable laws, regulations and industry standards

Avient is committed to use the Quality Management System (QMS) to satisfy all applicable customer and regulatory requirements.

Certificate of Approval Certificate n°: FR079697-1 Contract n°: 15701960 Revision date: 22 February 2023 Laurent CROGUENNEC - President Local office: Bureau Veritas Certification France Le Triangle de l'Arche - 9 Cours du Triangle - 92937 Paris La Défense Further clarifications regarding the scope of this certificate the applicability of the management system requirements may be obtained by consulting the organization.

POLYONE FRANCE TOSSIAT 43, PLACE DE LA GARE 01250 TOSSIAT FRANCE Bureau Veritas Certification France certify that the Management System of the above organization has been audited and found to be in accordance with the requirements of the management system standard detailed below: Standard ISO 14001:2015 Scope of certification THE DESIGN AND MANUFACTURE OF COLOUR AND ADDITIVE CONCENTRATES FOR THERMOPLASTICS Certification/Recertification Cycle Start Date: 03 May 2023 Subject to the continued satisfactory operation of the organization’s Management System, this certificate expires on: 02 May 2026 Expiry date of previous cycle: NA Certification/Recertification Audit date: 08 March 2023 Original Cycle Start Date: 15 July 2011 Certificate n°: FR081968-1 File n°:15608678 Revision date:24 April 2023 Laurent CROGUENNEC - President Local Office: Bureau Veritas Certification France Le Triangle de l'Arche - 9 Cours du Triangle - 92937 Paris La Défense Further clarifications regarding the scope of this certificate the applicability of the management system requirements may be obtained by consulting the organization.

F-27, MIDC, Ranjangaon, Shirur Pune, Maharashtra 412 220 India ISO 9001:2015 The Quality Management System is applicable to: Certificate No: 51482 Certification Date: 08 April 2015 Effective Date: 03 March 2021 Expiration Date: 07 April 2024 Revision Date: 08 March 2021 Dominic Townsend, President THE DESIGN AND MANUFACTURE OF COLOR, ADDITIVE CONCERTRATES AND SPECIALITY COMPOUNDS This certificate may be found on the ABS QE Website (www.abs-qe.com).

F-27, MIDC, Ranjangaon, Shirur, Pune, Maharashtra 412 220 India ISO 45001:2018 The Occupational Health and Safety Management is applicable to: Certificate No: 55689 Certification Date: 15 March 2017 Effective Date: 09 March 2023 Expiration Date: 14 March 2026 Revision Date: 15 March 2023 Dominic Townsend, President DESIGN MANUFACTURE OF COLOR MASTER BATCHES, ADDITIVES CONCENTRATES AND SPECIALTY COMPOUNDS.

F-27, MIDC, Ranjangaon, Shirur, Pune, Maharashtra 412 220 India ISO 14001:2015 The Environmental Management System is applicable to: Certificate No: 55688 Certification Date: 15 March 2017 Effective Date: 09 March 2023 Expiration Date: 14 March 2026 Revision Date: 21 March 2023 Dominic Townsend, President DESIGN MANUFACTURE OF COLOR MASTER BATCHES, ADDITIVES CONCENTRATES AND SPECIALTY COMPOUNDS This certificate may be found on the ABS QE Website (www.abs-qe.com).

Gamma 650 Parque Industrial Santa María Ramos Arizpe, Coahuila 25900 México has been assessed by ABS Quality Evaluations, Inc. and found to be in conformance with the requirements set forth by: ISO 14001:2015 The Environment Management System is applicable to: COMPOUNDING OF THERMOPLASTIC PRODUCTS This certificate may be found on the ABS QE Website (www.abs-qe.com).

SCCertificateRebrandA4Portrait CERTIFICATE OF REGISTRATION This is to certify that the management system of: Fiber-Line, LLC Main Site: 280 Performance Drive SE Hickory North Carolina 28602 United States has been registered by Intertek as conforming to the requirements of: ISO 9001:2015 The management system is applicable to: Manufacture of textile components to cable manufacturers.