GenericCertificate_NewLayout Certificate TH15/8915 The management system of Avient (Thailand) Co., Ltd. 79 Moo 11, Soi Kingthong, Kingkaew Road, Rachatewa, Bangplee, Samutprakarn, 10540, Thailand This document is an authentic electronic certificate for Client’ business purposes use only. Printed version of the electronic certificate are permitted and will be considered as a copy. 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.

NEEDLE HUB MANUFACTURER N E E D L E H U B C O L O R S • RAL and Pantone® colors available in palette to align with ISO 6009 color standard • Opaque and transparent polypropylene selections available in both masterbatch and ready-to-use precolors • Raw materials pre-tested to ISO 10993 and USP Class VI medical device guidelines • Certified formulations available globally • Provided RAL and Pantone colors as required • Developed custom polypropylene formulations to meet specific opacities • Offered pre-tested raw materials and produced in an ISO 13485 certified site, minimizing risk across the value chain • Provided global formulations transferrable from our three ISO 13485 certified facilities Mevopur™ Healthcare Colors KEY REQUIREMENTS WHY AVIENT? AVIENT SOLUTION COLOR + CERTIFICATION LEARN MORE © 2021, Avient Corporation, All Rights Reserved https://www.avient.com/products/polymer-colorants/solid-color-masterbatches/mevopur-custom-colors-and-formulations

China TEL: +86 21 32799000 Zhu Hai Ming Management Representative Lack of fulfilment of conditions as set out in the Certification Agreement may render this Certificate invalid. TEL:+31(0)102922689. www.dnvgl.com/assurance Certificate No: 1614-2000-AE-RGC-RvA Initial certification date: 23 May, 2000 Valid: 23 May, 2021 – 23 May, 2024 This is to certify that the management system of PolyOne-Shanghai, China No. 88, Guo Shou Jing Road, Z. Park, Pudong, Shanghai, China, 201203 has been found to conform to the Environmental Management System standard: ISO 14001:2015 This certificate is valid for the following scope: Design and Manufacture of Masterbatch

China TEL: +86 21 32799000 Zhu Hai Ming Management Representative Lack of fulfilment of conditions as set out in the Certification Agreement may render this Certificate invalid. 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. TEL:+31102922689. assurance.dnvgl.com Appendix to Certificate PolyOne-Shanghai, China Locations included in the certification are as follows: Site Name Site Address Site Scope PolyOne-Shanghai, China No. 88, Guo Shou Jing Road, Z.

DIN EN ISO 105-B06 DIN EN ISO 105-C04 DIN EN ISO 105-P02 DIN EN ISO 105-X12

DIN EN ISO 105-B06 DIN EN ISO 105-C04 DIN EN ISO 105-P02 DIN EN ISO 105-X12

DIN EN ISO 105-B06 DIN EN ISO 105-C04 DIN EN ISO 105-P02 DIN EN ISO 105-X12

DIN EN ISO 105-B06 DIN EN ISO 105-C04 DIN EN ISO 105-P02 DIN EN ISO 105-X12

DIN EN ISO 105-B06 DIN EN ISO 105-C04 DIN EN ISO 105-P02 DIN EN ISO 105-X12

Certain facilities have also received official certification to the ISO 14001 by third-party ISO representatives. 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.