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

3 Certificate Certified sites according to appendix Scope concentrates and specialty compounds for the Healthcare and Medical device market. Lewiston, ME, 04240 United States of America / 3 Appendix Page 2 of 3 The validity of this appendix depends on the validity of the main certificate. Appendix of main certificate H61173 Locations Scope Norm / Revision Reg. no.

Validity of this certificate may be confirmed at www.abs-qe.com/cert_validation. Validity of this certificate is based on the successful completion of the periodic surveillance audits of the management system defined by the above scope and is contingent upon prompt,written notification to ABS Quality Evaluations, Inc. of significant changes to the management system or components thereof. RC14001®:2015 Certificate No: 55334 Effective Date: 30 October 2017 Expiration Date: 29 October 2020 Issue Date: 30 October 2017 Alex Weisselberg, President DESIGN AND MANUFACTURE OF COLOR CONCENTRATES Certificate Of Conformance has been assessed by ABS Quality Evaluations, Inc. and found to be in conformance with the requirements set forth by:

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:+31102922689. assurance.dnvgl.com C ertificate No: 1614-2000-AE-RGC-RvA Initial certification date: 23 May, 2000 V alid: 23 May, 2018 - 23 May, 2021 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

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CERTIFICATE CONFIRMING INCORPORATION OF COMPANY AVIENT COLORANTS SINGAPORE PTE.

Certificate - IATF 16949 - Avient Corporation - 596306 - 2806569 (2).pdf

Mulch films case study BIODEGRADABLE & COMPOSTABLE M U L C H F I L M S • Compliance with European Standard EN17033 or OK Compost • Black and white color standards available under different TÜV Austria certifications (OK Compost and more) • Full support for end-product certification for both EN13432 and EN17033 • Formulated with pigments tested and approved by certified body OnColor™ Bio-Colorants KEY REQUIREMENTS WHY AVIENT?

Certificate of Incorporation AVIENT NEW ZEALAND LIMITED 64590 NZBN: 9429040671338 This is to certify that HOECHST (NEW ZEALAND) LIMITED was incorporated under the Companies Act 1955 on the 3rd day of May 1963 and changed its name to HOECHST NEW ZEALAND LIMITED on the 30th day of January 1974 and was reregistered to become a company under the Companies Act 1993 on the 3rd day of April 1995 and changed its name to CLARIANT (NEW ZEALAND) LIMITED on the 27th day of June 1997 and changed its name to AVIENT NEW ZEALAND LIMITED on the 17th day of May 2021. Registrar of Companies 17th day of May 2021 Certificate generated 17 May 2021 09:10 AM NZST

G1QCertificate Number: 82756 Certificate of Incorporation on Change Of Name For Registrar of Companies I hereby certify that CLARIANT PLASTICS & COATINGS (IRELAND) LIMITED having, by a Special Resolution of the Company, and with the approval of the Registrar of Companies, changed its name, is now incorporated as a LTD - Private Company Limited by Shares under the name AVIENT COLORANTS IRELAND LIMITED and I have entered such name on the Register accordingly.