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.

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

We regularly conduct risk-based audits to inspect external waste disposal and recycling companies to ensure the proper disposal of waste. Operation Clean Sweep companies greatly help to prevent plastics from making their way into the ocean, promoting safety, health and cleanliness for marine life.

CERTIFICATE CONFIRMING INCORPORATION OF COMPANY AVIENT SINGAPORE PTE. name change effective from 02/08/2021) :Company Name 199006136ZUEN : This is to confirm that the company was incorporated under the Companies Act, on and from 14/12/1990 and that the company is a PRIVATE COMPANY LIMITED BY SHARES. The company was formerly known as: S/N Company Name Effective From 1.

Media contact Michelle Maniscalco Senior Manager, Marketing Communications Avient Corporation michelle.maniscalco@avient.com Media Relations Contacts Company Officers

Media contact:  Scott Collins  scollins@collins-marcom.com  +1 216.382.8840   Media Relations Contacts Company Officers

Media contact Michelle Maniscalco Senior Manager, Marketing Communications Avient Corporation michelle.maniscalco@avient.com Media Relations Contacts Company Officers

Media contact Michelle Maniscalco Senior Manager, Marketing Communications Avient Corporation michelle.maniscalco@avient.com Media Relations Contacts Company Officers

Media contact Michelle Maniscalco Senior Manager, Marketing Communications Avient Corporation michelle.maniscalco@avient.com   Media Relations Contacts Company Officers

Media Contact Jennifer Huang +86 21 60284888 jennifer.huang@avient.com Media Relations Contacts Company Officers