Luxembourg) Legal Entity Name Avient S.à r.l. Corporate seat Luxemburg Date of deed of incorporation 04-07-2018 Registered in Registre de Commerce et des sociétés Luxemburg, Luxembourg under number B226205 Company Trade name Avient S.à r.l., Netherlands branch Company start date 24-07-2018 Activities SBI-code: 46769 - Wholesale of other intermediary products SBI-code: 46696 - Wholesale of packaging SBI-code: 4941 - Freight transport by road (no removal services) Employees 0 Establishment Establishment number 000040405362 Trade name Avient S.à r.l., Netherlands branch Visiting address Uranusweg 3, 8938AJ Leeuwarden Date of incorporation 24-07-2018 Activities SBI-code: 46769 - Wholesale of other intermediary products SBI-code: 46696 - Wholesale of packaging SBI-code: 4941 - Freight transport by road (no removal services) For further information on activities, see Dutch extract.

View PDF The SQS herewith attests that the organisation named below has a management system that meets the requirements of the normative base mentioned. 70 01 _1 /A pr il 20 22 /V er si on 2 .0 Certificate Avient Colorants MX S.A. de C.V.

CERTIFICATE OF INCORPORATION ON CHANGE OF NAME Company Number 3141094 The Registrar of Companies for England and Wales hereby certifies that under the Companies Act 2006: POLYONE CORPORATION UK LIMITED a company incorporated as private limited by shares, havingits registered office situated in England and Wales, has changed its name to: AVIENT MATERIAL SOLUTIONS UK LIMITED Given at Companies House on9th November 2021.

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.

Auf die bei Gericht eingereichten Urkunden wird Bezug genommen. a) 23.01.2020 Melzer 6 a) Firma geändert; nun: Avient ECCOH High Performance Solutions GmbH a) Die Gesellschafterversammlung vom 21.10.2021 hat die Änderung des Gesellschaftsvertrages in § 1 (Firma, Sitz) beschlossen. a) 08.11.2021 Martin Abruf vom 08.11.2021 19:56

公公公公 司司司司 更更更更 改改改改 名名名名 稱稱稱稱 證證證證 明明明明 書書書書 CERTIFICATE OF CHANGE OF NAME 本 人 謹 此 證 明 I hereby certify that POLYONE HONG KONG HOLDING LIMITED 已 藉 特 別 決 議 更 改 其 名 稱 ， 該 公 司 根 據 having by special resolution changed its name, is n ow incorporated under the 香 港 法 例 第 622 章《 公 司 條 例 》註 冊 的 名 稱 現 為 Companies Ordinance (Chapter 622 of the Laws of Hon g Kong) in the name of Avient Hong Kong Holding Limited 本 證 明 書 於 二二二二 ＯＯＯＯ 二二二二 一一一一 年 八八八八 月 二二二二 日 發 出 。

Rijkaart van Cappellen di Amsterdam (Pasi Bassi) in data 10 novembre 2021 e debitamente apostilla- to portante il cambio della denominazione della Società in "Avient S.à r.l.".