He joined Avient in 2010 and has since delivered success in multiple positions throughout the company thereafter. Moh also served as Vice President of Asia, where he strengthened a One Avient approach internally and externally with customers, regional leaders and associations, as Avient has invested for growth in Asia. Avient Corporation • 33587 Walker Road • Avon Lake, Ohio 44012 • 440.930.1000 • www.avient.com

Avient Announces Quarterly Dividend... Avient Board of Directors Appoints Ashish K. Avient Announces First Quarter 2025 Results...

Avient Announces Quarterly Dividend... Avient Board of Directors Appoints Ashish K. Avient Announces First Quarter 2025 Results...

SAFETY & HEALTH POLICY Avient Corporation believes that safety and health are the highest corporate priority. Avient strives to be the industry leader in safety and health by setting aggressive goals, measuring performance, and making necessary adjustments. Each Avient associate’s responsibility is to give the highest priority to safety and health, both on and off the job.

VERIFICATION OPINION DECLARATION GREENHOUSE GAS EMISSIONS To: The Stakeholders of Avient Corporation Apex Companies, LLC (Apex) was engaged to conduct an independent verification of the greenhouse gas (GHG) emissions reported by Avient Corporation (Avient) for the period stated below. The determination of the GHG emissions is the sole responsibility of Avient. Cleveland, Ohio Doral, Florida September 25, 2024 This verification declaration including the opinion expressed herein, is provided to Avient and is solely for the benefit of Avient in accordance with the terms of our agreement.

Khandpur is President and Chief Executive Officer at Avient Corporation, an innovator of materials solutions that help customers succeed while enabling a sustainable world. Khandpur joined Avient in December 2023. Avient Corporation • 33587 Walker Road • Avon Lake, Ohio 44012 • 440.930.1000 • www.avient.com

Khandpur is Chairman, President and Chief Executive Officer at Avient Corporation, an innovator of materials solutions that help customers succeed while enabling a sustainable world. Khandpur joined Avient in December 2023. Avient Corporation • 33587 Walker Road • Avon Lake, Ohio 44012 • 440.930.1000 • www.avient.com

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.

COMPANIES ACT 2016 AVIENT SINGAPORE PTE LTD TEL : 03-2299 4400 FAX : 03-2299 4411 MENARA SSM@SENTRAL, NO.7, JALAN STESEN SENTRAL 5, KUALA LUMPUR SENTRAL, 50470 KUALA LUMPUR.