 Audits are at the discretion of Avient and may be limited in content/scope. 6 Management Responsibility The following information describes minimum requirements in place at all ISO 9001 certified manufacturing facilities identified at https://www.avient.com/company/sustainability/environmental/global-iso-certificate-library Some additional certified management systems are described in the annex to this document. Please check our certificate library here. Detailed information on a site specific basis can be found in Avient’s Global Certificate Library here.

Homepage // News Center // Avient’s Malmö, Sweden Site Earns ISCC PLUS Certification for Mevopur™ Healthcare Bio-based Polymer Solutions The certification provides customers with a third-party assessed confirmation that our bio-based polymer solutions manufactured at our Malmö site meet high sustainability requirements,” said Volker Dickfeld, Senior Marketing Manager, Global Healthcare at Avient. To access Avient’s news library online, please visit www.avient.com/news.

A ISO 22000 aplica-se a todos os fabricantes relacionados a alimentos para ajudar a controlar os riscos à segurança alimentar dentro da cadeia global de fornecimento de alimentos. Para saber mais sobre o catálogo de certificados ISO da Avient, visite o nosso avient.com © 2024, All Rights Reserved Avient Corporation https://www.avient.com/company/policies-and-governance-0/global-iso-certificate-library

Caption: Avient Corporation today announced the ISO 13485:2016 certification of its production site in Taoyuan, Taiwan (near Taipei). TAOYUAN, Taiwan – January 19, 2022 – Avient Corporation, a premier provider of specialized and sustainable material solutions and services, today announced the ISO 13485:2016 certification of its production site in Taoyuan, Taiwan (near Taipei).  To access Avient's news library online, please visit www.avient.com/news

Avient to Highlight Achievements, Global Growth & Latest Innovations at PlastIndia 2023 First, the Pune production site achieved GMP Certification in 2022 and became the first specialty formulator of polymer materials in India to become certified with an ISO 22000 Food Safety Management System. To access Avient’s news library online, please visit www.avient.com/news.

Homepage // News Center // Halal Certification Expands for Avient’s Colorants and Additives Produced at Indonesia Site Avient Obtains Halal Certification Expansion to Include its Colorants and Additives Produced at the Tangerang, Indonesia Facility. To access Avient’s news library online, please visit www.avient.com/news.                              

Certificate Avient Corporation Certificate Of Conformance This is to certify that the Quality Management System of: Avient Corporation 33587 Walker Road Avon Lake OH 44012 has been assessed by ABS Quality Evaluations, Inc. and found to be in conformance with the requirements set forth by: ISO 9001:2015 The Quality Management System is applicable to: Design and manufacture of colour and additive concentrates, thermoplastic resins and specialty compounds Certificate No: 65799 Certification Date: 01 OCT 2020 Effective Date: 25 SEP 2023 Expiration Date 30 SEP 2026 Revision Date: 06 DEC 2024 Dominic Townsend, President Page 1 of 4 ISO 9001:2015 Certificate Of Conformance ANNEX Certificate No.: 65799 Avient Corporation At the below facilities Avient Corporation - Avon Lake, OH Management of QMS, Design and manufacture of colour and additive concentrates, thermoplastic resins and specialty compounds 33587 Walker Road Avon Lake OH 44012 United States Avient (Argentina) SA Administration, Site management, Manufacture, Laboratory (QC and Colormatching), Procurement, Maintenance, Infrastructure, Warehouse and Transport, Sales Av. Administration, Site management, Manufacture, Laboratory, Procurement, 27 Avenida 34–11, Zona 12 1012 Parque Global Guatemala WA-6 Renaissance Industrial & Warehousing Complex, Vashere Maharashtra 400607 India Survey No. 344 / 1–3 Sakarda Bhadarwa Road Taluka Savli Vadodara District 39178 India Shed No 18–22, GIDC Estate Kalol Gujarat 389330 India Page 2 of 4 P.T. Strydom Park 329 2194 Randburg South Africa Avient Colorants Spain S.A.

Homepage // News Center // Avient’s Singapore Production Facility Receives ISCC PLUS Certification for Bio-Derived Materials The Chin Bee facility is the first Avient site in Asia and the sixth site globally to achieve this certification, including the Malmö (Sweden) and Saint Ouen L’Aumône (France) facilities, which were accredited in 2024. This certification, in conjunction with the facility’s existing ISO 22000-certified Food Safety Management System and ISO 13485-certified Quality Management System for medical devices, also positions the Chin Bee site to meet stringent hygiene and regulatory requirements for products for mothers and children, food-contact packaging, and the medical and pharmaceutical industries.

Homepage // News Center // Avient Extends Recycled TPE Portfolio with Grades Containing up to 60% Recycled Content, Supporting Global Customers They provide comparable performance to 100% virgin equivalents and can help reduce product carbon footprint (PCF), which can be quantified on request using Avient’s PCF Calculator, certified by TÜV Rheinland according to ISO 14067.    To access Avient's news library online, please visit www.avient.com/news.

Avient is a global company. Refer to our website to view certifications: https://www.avient.com/company/policies-and- governance/global-iso-certificate-library Who is Avient’s assessment body/registrar? Varies by Site; refer to ISO Cert https://www.avient.com/company/policies-and- governance/global-iso-certificate-library How often are 3rd party audits conducted?