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. ACCREDITED UNIT: DNV Business Assurance B.V., Zwolseweg 1, 2994 LB, Barendrecht, Netherlands - TEL: +31(0)102922689. www.dnv.com/assurance Page 2 of 2 Appendix to Certificate Polyone - Suzhou, China Locations included in the certification are as follows: Site Name Site Address Site Scope PolyOne Management (Shanghai) Co., Ltd.

2 /Ju n- 20 19 /V er si on 1 .0 Certificate Avient Colorants Singapore Pte Ltd 8 Third Chin Bee Road Jurong Industrial Estate 618684 Singapore Singapore Scope Administration, Site management, Manufacture, Laboratory, Procurement, Maintenance, infrastructure, Warehouse and Transport Normative base EN ISO 13485:2016 Medical devices – Quality Management System Reg. no. 45483 Validity 01. 03. 2022  – 28. 02. 2025 Issue 01. 03. 2022  A.Grisard, President SQS F.

This is to certify that Fiber-Line, LLC 280 Performance Drive SE, Hickory, North Carolina 28602 USA Quality Management System ISO 9001:2015 Manufacture of textile components to cable manufacturers. Certificate No.: CERT-0116814 Original Certification Date: November 24, 2010 File No.: 1616267 Certification Effective Date: April 1, 2021 Issue Date: March 30, 2021 Certificate Expiry Date: March 31, 2024 ________________________________________________________________________________ ISO 9001 Registered by: QMI-SAI Canada Limited (SAI Global), 20 Carlson Court, Suite 200, Toronto, Ontario M9W 7K6 Canada. To verify that this certificate is current, please refer to the SAI Global On-Line Certification Register: https://www.saiglobal.com/en-us/assurance/auditing_and_certification/certification_registry/ This is to certify that operates a which complies with the requirements of for the following scope of certification CERTIFICATE OF REGISTRATION Frank Camasta Global Head of Technical Services SAI Global Assurance http://www.qmi-saiglobal.com/qmi_companies http://www.qmi-saiglobal.com/qmi_companies

AS9100 Certication DEKRA CERTIFICATE Certificate Number: 131789.01 The Aerospace Quality Management System and implementation of: Fiber-Line, LLC With Central Functions At: 3050 Campus Drive Hatfield, PA 19440 United States The certification has been performed in accordance with the requirements of AS9104/1:2012, including its implementation, and meets the requirements of the standard: AS9100D (Based on and including ISO 9001:2015) Scope: The value added design and development of synthetic fiber products for use in public and private sectors. Onus Managing Director DEKRA Certification, Inc. 1945 The Exchange SE #300 Atlanta, GA 30339 USA (215) 997-4519 https://www.dekra.us/en/audits/ DEKRA Certification Inc. is an accredited Aerospace Registration Management Program Certification Body, under the ICOP scheme. https://www.dekra.us/en/audits/

16824-8#ISO 9001 Certificaat Fiber-Line International B.V. PDF Page 1 of 1 TÜVTÜVTÜVTÜV NORD NORD NORD NORD NederlandNederlandNederlandNederland B.V.B.V.B.V.B.V. Ekkersrijt 4401, 5692 DL Son en Breugel The Netherlands TÜV ® Mr.

AFNOR M 2 in France, DIN 4102 B 2 – B 1 in Germany, UNI 8457 – 9174 C 1 in Italy, BKZ 5.2 in Switzerland, BS 5852.1990 CRIB 3-5 in UK)** • Standard portfolio available for PP injection molded applications APPLICATION BULLETIN * Laboratory weathering testing may not be determinative of all conditions of use; the end user must determine suitability of a product for its intended use ** Contact us for more information on regulatory compliance Copyright © 2022, Avient Corporation. COLOR RAL REFERENCE COLOR RAL REFERENCE 1015 Brown/12 6026 Green/14 1034 Yellow/14 6032 Green/20 1018 Yellow/19 7004 Grey/21 1003 Yellow/20 8025 Brown/14 3020 Red/15 9022 Pearl Grey/1 5005 Blue/35 9010 White/5 5000 Blue/36

Homepage // News Center // Avient Site in Taiwan Earns ISO 13485 Accreditation; Fourth Source for MEVOPUR™ ‘Medical-Grade’ Materials Caption: Avient Corporation today announced the ISO 13485:2016 certification of its production site in Taoyuan, Taiwan (near Taipei). ISO 13485 certification is the culmination of two years’ work to create a completely segregated, dedicated healthcare operation similar to other MEVOPUR plants.

Page 1 / 1 has been assessed and certified as meeting the requirements of ISO 14001:2015 For the following activities The Design and Manufacturing of Plastic Color Concentrated, Plastic Additive Concentrated and Pigment Powder for Thermoplastic & Rubber Industries. Certified since 06 September 2008 Jonathan Hall Global Head - Certification Services Authorised by SGS United Kingdom Ltd Rossmore Business Park, Ellesmere Port, Cheshire, CH65 3EN, UK t +44 (0)151 350-6666 - www.sgs.com https://www.sgs.com/en/terms-and-conditions/

Our goal is to complete 100% of risk assessments on hazardous materials greater than 1 ton by 2027. Avient has 102 global manufacturing facilities. 96% of these sites are certified through independent third parties to management system standards including ISO:14001, ISO:50001, ISO:22000, ISO:45001, ISO:9001, and Responsible Care®. Major Non-Conformances at ISO Sites