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.

In July 2020, following our transformational acquisition of Clariant Color, we branded the collective enterprise as Avient —a new name, for a new kind of materials company. Garratt Senior Vice President, President, Color, Additives and Inks, EMEA Joel R. Total attainment for consolidated Avient and Color, Additives and Inks ("CAI") (applicable for Mr.

26/11/2021 4Extract from Page 1from Company Name Crossroads Bank of Enterprises: 0314.595.348 FULL EXTRACT OF THE DETAILS OF A REGISTERED ENTITY (LEGAL PERSON) Name French Avient S.à r.l., Belgium Branch 08/11/2021 Registered seat Route de Bastogne 19 09/08/2018 9638 Pommerloch Luxembourg Website www.polyone.com Declarative 09/08/2018 Legal Situation Status Start Date End Date Normal situation Active 09/08/2018 Legal form Start Date End Date Foreign entity 09/08/2018 VAT activities Vesaliusstraat 31 - 1000 Brussels E: ol.brussel@xerius.be T: 02 609 62 30 26/11/2021 4Extract from Page 2from Functions Last Name, first Name Registered entity Start Date End DateReason for termination Representative (branch) Roels Jean-Marie 31/08/2018 Last Name, first Name Registered entity Start Date End DateReason for terminationEntrepreneurial skills - Ambulant commerce - Fairground operator 31/08/2018Non SME dispensation (Exemption) Characteristic Phase Duration Start Date End DateReason for termination Employer National Social Security Office Characteristic/authorisation 01/11/2018undetermined Subject to VAT Characteristic/authorisation 31/08/2018undetermined Enterprise subject to registration Characteristic/authorisation 01/11/2018undetermined General assembly End Date Financial Year Start Date Exceptional Year Start Date End DateEnd Date Exceptional Year Financial Details Share capital (Capital Stock) Currency Duration of the entity 12,000.00 EUR June 31/12 09/08/2018 Use Bank account number Start Date End DateBank account number Bank Accounts BIC For all purposes 685 8477013 57 31/08/2018BE09685847701357BOFABE3X External Identifiers NSSO number 143954886 Trade register number 19 0097620 There is no data available for the following sections: Authorisations, Working partners :, Ex-officio striking off, Links between registered entities List of branches Branch - Center of operations Rue Melville Wilson 2 09/08/2018 België 26/11/2021 4Extract from Page 3from Establishment unit number 2.278.618.585 Trade name French Avient S.à r.l., Belgium Branch 08/11/2021 Rue Melville Wilson 2 31/08/2018 België Website www.polyone.com Declarative 31/08/2018 31/08/2018Start date establishment unit End date establishment unit Start date link between entities End date link between entities 31/08/2018 Activities Wholesale trade of industrial chemicals: aniline, printing ink, essential oils, industrial gases, chemical glues, dyes, synthetic resin, methanol, paraffin, etc. It is therefore necessary to refer to the Belgian legislation in force in order to determine their scope. 26/11/2021 2Extract from Page 1from EXTRACT OF THE ESTABLISHMENT UNIT DETAILS Crossroads Bank of Enterprises: 0314.595.348 Establishment unit number 2.278.618.585 Trade name French Avient S.à r.l., Belgium Branch 08/11/2021 Rue Melville Wilson 2 31/08/2018 Belgium Website www.polyone.com Declarative 31/08/2018 31/08/2018Start date establishment unit End date establishment unit Start date link between entities End date link between entities 31/08/2018 Registered entity Legal Situation Normal situation Vesaliusstraat 31 - 1000 Brussels E: ol.brussel@xerius.be T: 02 609 62 30 26/11/2021 2Extract from Page 2from Activities Wholesale trade of industrial chemicals: aniline, printing ink, essential oils, industrial gases, chemical glues, dyes, synthetic resin, methanol, paraffin, etc.

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.

Injection moldable and colorable, they offer design flexibility and easy processing for faster prototyping and shorter lead times, helping you get to market faster. Avient makes no warranties or guarantees respecting suitability of either Avient’s products or the information for your process or end-use application. AVIENT MAKES NO WARRANTIES, EXPRESS OR IMPLIED, INCLUDING, BUT NOT LIMITED TO, IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, either with respect to the information or products reflected by the information.

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 。

Avient Corporation y sus subsidiarias y filiales ("Avient'') se comprometen a ser una organización sostenible de categoría mundial. Tratar a los empleados con respeto y abstenerse de acosar o discriminar a personas por motivos de raza, sexo, orientación sexual, identidad de género, edad, color, religión, origen nacional, discapacidad, información genética, condición de veterano protegido, u otras clasificaciones protegidas legalmente Comunicaciones externas sobre Avient requieren el consentimiento previo por escrito de Avient

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.".

WITH ADDITIONAL FACILITIES LISTED ON THE ATTACHED ANNEX) has been assessed by ABS Quality Evaluations, Inc. and found to be in conformance with the requirements set forth by: RCMS®:2013 (Option 2) The Environment, Health, Safety and Security Management System is applicable to: Design and Manufacture of Colorants for Plastics Certificate No: 55324 Effective Date 21 December 2017 ABS Quality Evaluations, Inc. 16855 Northchase Drive, Houston, TX 77060, U.S.A.