AVIENT CORPORATION GOVERNANCE AND CORPORATE RESPONSIBILITY COMMITTEE CHARTER Membership • The Governance and Corporate Responsibility Committee (the “Committee”) of the Board of Directors (the “Board”) of Avient Corporation (the “Company”) will consist entirely of directors who meet the definition of “independent” as set forth in the Corporate Governance Standards of the New York Stock Exchange

Governance and Corporate Responsibility Charter Proposed Revisions March 2025 Final and Approved.pdf AVIENT CORPORATION GOVERNANCE AND CORPORATE RESPONSIBILITY COMMITTEE CHARTER Membership The Governance and Corporate Responsibility Committee (the “Committee”) of the Board of Directors (the “Board”) of Avient Corporation (the “Company”) will consist entirely of directors who meet the definition of “independent” as set forth in the Corporate Governance Standards of the New York Stock Exchange.

Microsoft Word - EHS Committee Charter (Amended July 2022).doc AVIENT CORPORATION ENVIRONMENTAL, HEALTH AND SAFETY COMMITTEE CHARTER Membership • Members of the Environmental, Health and Safety Committee (the “Committee”) of the Board of Directors (the “Board”) of Avient Corporation (the “Company”) will be appointed by the Board each year

: AVIENT SINGAPORE PTE. Date Registered ID Officers/Authorised Representative(s) Position Held Nationality/CitizenshipName Date of Appointment XU TAO EB6238077 CHINESE 30/06/2021ACRA DirectorROOM 102, BUILDING 20, SUB LANE 7, LANE 888, LUOJIN ROAD SHANGHAI, 201104, CHINA CHAN BAI RONG S8534833G SINGAPORE CITIZEN 30/06/2021ACRA Director10A BENDEMEER ROAD #26-103 BENDEMEER LIGHT SINGAPORE (331010) LEE SAY ENG A52290094 MALAYSIAN 30/06/2021ACRA Page 2 of 4 ID Officers/Authorised Representative(s) Position Held Nationality/CitizenshipName Date of Appointment Director168 JINAN ROAD, BUILDING 10, ROOM 802, SHANGHAI CHINA 200021 CHAN LAI YIN S7480587F MALAYSIAN 28/06/2010ACRA Secretary26 SIMEI STREET 1 #11-08 MELVILLE PARK SINGAPORE (529947) LEE WEI HSIUNG S7927166G SINGAPORE CITIZEN 01/12/2009ACRA Secretary633 JURONG WEST STREET 65 #10-310 SINGAPORE (640633) Shareholder(s) Name ID Nationality/Citizenship Place of incorporation/ Origin/Registration Address Changed AVIENT CORPORATION T05UF0103G UNITED STATES OF AMERICA ACRA1 33587 WALKER ROAD, AVON LAKE, OHIO 44012, UNITED STATES OF AMERICA Ordinary(Number) Currency 694600 SINGAPORE, DOLLARS Ordinary(Number) Currency 7200000 UNITED STATES OF AMERICA, DOLLARS Page 3 of 4 Abbreviation UL - Local Entity not registered with ACRA UF - Foreign Entity not registered with ACRA AR - Annual Return AGM - Annual General Meeting FS - Financial Statements OSCARS - One Stop Change of Address Reporting Service by Immigration & Checkpoint Authority.

At Avient, we are proud to be a part of the solution, supporting the shift from a linear economy to a circular economy and driving sustainability for all of our stakeholders. For our part, Avient offers several solutions that enhance rPET recycling and address the challenges at every stage of the process. Connect with us to learn more about how Avient can deliver specialized material solutions that keep pace with the ever-increasing demands for sustainability.

REPÚBLICA FEDERATIVA DO BRASIL       CADASTRO NACIONAL DA PESSOA JURÍDICA     NÚMERO DE INSCRIÇÃO 23.318.607/0001-10 MATRIZ COMPROVANTE DE INSCRIÇÃO E DE SITUAÇÃO CADASTRAL DATA DE ABERTURA 22/09/2015   NOME EMPRESARIAL AVIENT COLORANTS BRASIL LTDA.  

$37.5B projected global colorants market size by 2025** 84.7% of consumers cite colors as the primary reason they buy a particular product* U S D © 2020 Avient, All Rights Reserved To learn more about polymer colorants and how you can improve your current color strategy, visit avientdistribution.com or call +1.844.4AVIENT https://www.avientdistribution.com/

Notificación desde Registro NOTIFICACIÓN DE INSCRIPCIÓN TOTAL Se pone en su conocimiento que el documento del día veinticinco de enero de dos mil veintidós, que fue presentado el día veintisiete de enero de dos mil veintidós, con el número de entrada 1/2022/233,0, diario 46, asiento 131, ha sido inscrito con fecha diecisiete de febrero de dos mil veintidós, en el tomo 661, folio 67, inscripción 5 con hoja HU-13568, de la entidad AVIENT SÀ RL SUCURSAL EN ESPAÑA. INSCRITO EN UNION del Documento de Refundición de los Estatutos Sociales de la Sociedad Matriz AVIENT S.à R.L. emitido por el Registro Mercantil y de Sociedades de Luxemburgo, firmado digitalmente con fecha 12 de Noviembre de 2.021, por don Michel Mathias Gustave Kill, como encargado de dicho Registro, debidamente Apostillado con fecha 16 de Noviembre de 2.021, por el Ministerio de Asuntos exteriores y europeos del Gran Ducado de Luxemburto, y debidamente traducido al castellano por doña María Soledad Valcárcel Conde, Traductora-Intérprete Jurado de Inglés, número 4.195, nombrada por el Ministerio de Asuntos Exteriores y de Cooperación, que se presento en soporte papel en este Registro.

Avient has developed several innovative technologies that have continued to set the standard in overmolding. Consult with an Avient GLS representative Consult with an Avient representative

29/6/2021 Formulario de Impresión de Constancia de Inscripción https://seti.afip.gob.ar/padron-puc-constancia-internet/ConsultaConstanciaAction.do 1/1 ADMINISTRACION FEDERAL DE INGRESOS PUBLICOS CONSTANCIA DE INSCRIPCION  AVIENT ARGENTINA S.A.