Standard ISO 900 1:2O15 Scope of supply c o II +t (u U t-r- '.F t- (u () (n rU '- c) l cu q) t_ l m Design, development, marketing & sales and related application support of UHMWPE, Ultra-High-Motecutar-Weight PolyEthytene fibers and UniDirecfionat sheets. 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

Park, Pudong, Shanghai, China, 201203 and the sites as mentioned in the appendix accompanying this certificate has been found to conform to the Quality Management System standard: ISO 9001:2015/GB/T 19001-2016 This certificate is valid for the following scope: Design and Manufacture of Masterbatch C ertificate No: 7071-1998-AQ-RGC-RvA P lace and date: Shanghai, 30 March, 2018 Lack of fulfilment of conditions as set out in the Certification Agreement may render this Certificate invalid.

Additionally, personal protective equipment may be required in certain areas of the facility.  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 http://www.avient.com/company/sustainability/environmental/global-iso-certificate-library Some additional certified management systems are described in the annex to this document. page=19 7 Quality Management 3rd Party Certifications All manufacturing facilities are certified to the ISO 9001 standard. Some have additional certifications such as ISO 13485, ISO 14000, ISO 22000 and other third-party certified standards such as Responsible Care® and IATF.

Yes – there is one quality manual for plants registered to ISO 9001 in North America. Yes, as part of the central certification ISO 9001 documentation. Yes, as part of the ISO 9001 documentation. 8.

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 9001:2015 The Quality Management System is applicable to: DEVELOPMENT, PRODUCTION & DISTRIBUTION OF TECHNICAL THERMOPLASTICS.

Additionally, personal protective equipment may be required in certain areas of the facility.  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 http://www.avient.com/company/sustainability/environmental/global-iso-certificate-library Some additional certified management systems are described in the annex to this document. page=19 7 Quality Management 3rd Party Certifications All manufacturing facilities are certified to the ISO 9001 standard. Some have additional certifications such as ISO 13485, ISO 14000, ISO 22000 and other third-party certified standards such as Responsible Care® and IATF.

Zwolseweg 1, 2994 LB, Barendrecht, Netherlands - TEL: +31(0)102922689. www.dnv.com/assurance Certificate No: 2997-2006-AQ-RGC-RvA Initial certification date: 08 June, 2006 Valid: 11 April, 2022 – 11 April, 2025 This is to certify that the management system of Polyone - Suzhou, China EM Sector, 77 Shenggang Street, Suzhou Industrial Park, Suzhou, Jiangsu, China, 215024 and the sites as mentioned in the appendix accompanying this certificate has been found to conform to the Quality Management System standard: GB/T 19001-2016/ISO 9001:2015 This certificate is valid for the following scope: Design and Manufacture of Plastic Compounding Material Certificate No: 2997-2006-AQ-RGC-RvA Place and date: Shanghai, 27 April, 2022 Lack of fulfilment of conditions as set out in the Certification Agreement may render this Certificate invalid.

Ltd Business Registration Number: 91320505799067336K Registered I Operation Address: 13 Plant, No.855, Zhujiang Road, Suzhou New District, Jiangsu Province, China by reason of its Quality Management System has been awarded this certificate for compliance with the standard ISO 9001:2015 The Quality Management System Applies in the following area: Production Activities of Plastic Colorant & Additive (UV Blockers, Anti-Oxidation, Anti-Aging) Certified since: January 8, 2009 Valid from: January 16, 2024 Valid until: January 4, 2027 the expiry date of last certification cycle: January 4, 2024 the date of recertification audit: December 21, 2023 to December 22, 2023 After a surveillance cycle, the certificate is valid only when used together with an Acceptance Notice of Surveillance Audit issued by CQC.

Certificate Magna Colours Limited Certificate Of Conformance This is to certify that the Quality Management System of: Magna Colours Limited Unit 3 Dodworth Business Park, Dodworth Barnsley South Yorkshire S75 3SP United Kingdom 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: The Provision of a Service Of Sourcing, Procuring, Design, Manufacturing and Distribution of Specialty Colouration Products and Chemical Auxiliaries for use the Textile, Dying, Printing and Finishing Industries.

SUSTAINABILITY Avient’s color and additive manufacturing sites comply with ISO standards such as ISO 9001:2015 QMS, ISO 14001:2015 Environmental Management System and ISO 45001:2018*. EC) 1907/2006 and amendments) • UL94 file for MB (QMQS.E73454) and formulations (QMQS.E103015) • “Toys declaration” Directive 2009/48/EC • Waste Electrical & Electronic Equipment (WEEE) * Contact us for more detailed information about our ISO certifications.