: AVIENT COLORANTS SINGAPORE PTE. Date Registered ID Officers/Authorised Representative(s) Position Held Nationality/CitizenshipName Date of Appointment SOH SOCK LAN S1189628F SINGAPORE CITIZEN 01/06/2020ACRA Director47 JURONG EAST AVENUE 1 #03-01 PARC OASIS SINGAPORE (609780) LIM JOO ANN S8679985E MALAYSIAN 01/06/2020ACRA Director311 JURONG EAST STREET 32 #02-331 JURONG EAST 32 SINGAPORE (600311) IAN NG FOOK YUN S2565916C SINGAPORE CITIZEN 27/05/2019ACRA Secretary151 CAVENAGH ROAD #09-161 CAVENAGH COURT SINGAPORE (229628) ANNA MARDIANA ALISJAHBANA S2205619J SINGAPORE CITIZEN 27/05/2019ACRA Page 2 of 4 ID Officers/Authorised Representative(s) Position Held Nationality/CitizenshipName Date of Appointment Secretary46 EASTWOOD ROAD #04-06 LAGUNA 88 SINGAPORE (486356) Shareholder(s) Name ID Nationality/Citizenship Place of incorporation/ Origin/Registration Address Changed AVIENT SWITZERLAND GMBH T16UF0762F SWITZERLAND ACRA1 ROTHAUSSTRASSE 61 4132 MUTTENZ, SWITZERLAND Ordinary(Number) Currency 3000000 SINGAPORE, DOLLARS 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.

Página [1] de [3] CEDULA DE IDENTIFICACION FISCAL PME940105NT9 Registro Federal de Contribuyentes AVIENT DE MEXICO Nombre, denominación o razón social idCIF: 14091123986 VALIDA TU INFORMACIÓN FISCAL CONSTANCIA DE SITUACIÓN FISCAL Lugar y Fecha de Emisión TOLUCA , MEXICO A 08 DE JUNIO DE 2021 PME940105NT9 Datos de Identificación del Contribuyente: RFC: PME940105NT9 Denominación/Razón Social: AVIENT DE MEXICO Régimen Capital: SOCIEDAD ANONIMA DE CAPITAL VARIABLE Nombre Comercial: Fecha inicio de operaciones: 05 DE ENERO DE 1994 Estatus en el padrón: ACTIVO Fecha de último cambio de estado: 18 DE ENERO DE 1994 Datos de Ubicación: Código Postal:50233 Tipo de Vialidad: AVENIDA (AV.)

CERTIFICATE CONFIRMING INCORPORATION OF COMPANY AVIENT COLORANTS SINGAPORE PTE.

Letzte Eintragung am 08.05.2021 mit der Eintragungsnummer 5 zuständiges Gericht Landesgericht Wiener Neustadt FIRMA 5 Avient Austria GmbH RECHTSFORM 1 Gesellschaft mit beschränkter Haftung SITZ in 5 politischer Gemeinde Perchtoldsdorf GESCHÄFTSANSCHRIFT 5 A.

Wiesinger, Kai, Kelkheim (Taunus), *08.10.1973 van Issum, Andreas, Wiesbaden, *29.05.1979 13 b) Kinkel, Oliver, Steinen, *12.01.1963 08.07.2020 Fall 14 Seite 6 von 7 Hosch, Kolja, Seeheim-Jugenheim, *08.02.1980 14 b) Merklein, Norbert, Kronberg im Taunus, *03.05.1964 Kronimus, Holger, Hilgert, *26.01.1968 11.04.2021 Fall 17 Seite 7 von 7 Bergheim, Anke, München, *03.06.1970 15 a) Avient Colorants Germany GmbH Geändert, nun: Hohenrain 1, 56221 Lahnstein Die Gesellschafterversammlung vom 07.04.2021 hat eine Änderung des Gesellschaftsvertrages in § 1 (Firma) beschlossen. 15.04.2021 Fall 16 16 b) Berichtigung zur Hohenrhein 1, 56112 Lahnstein 30.04.2021 Fall 18 JP028108 Highlight

Avient’s chief operating decision maker uses these financial measures to monitor and evaluate the ongoing performance of Avient and each business segment and to allocate resources. Each of such adjustments has not yet occurred, are out of Avient’s control and/or cannot be reasonably predicted. FX -1.5% FX -0.5% Total Avient -2.0% Q 1 2024 R ES U LT S Q1 2024 PERFORMANCE VS.