Our exceptional polymer scientists and design engineers are integral to their product development process. Sustainable Development Goals • Emphasized climate change commitment o Announced 2050 operational carbon neutrality and RE100 commitment o Alignment to Science Based Targets Reduce Scope 1 & 2 greenhouse gas emissions by 60%. We are Avient.

Avient se consacre à exercer son activité avec honnêteté, intégrité, selon les normes éthiques les plus strictes, et conformément à toutes les lois antitrust. Une violation de la loi antitrust peut exposer Avient et vous personnellement à de graves sanctions pénales et civiles. À ne pas faire : Conclure tout accord, entente ou discussion avec tout client concernant la sélection ou la résiliation par Avient d’autres clients ou les conditions auxquelles Avient traite ou pourrait traiter avec tout autre client, y compris les produits à vendre, à qui, à quels prix et dans quels territoires ou marchés les vendre. 11.

Roman, Secretary of State of the Government of Puerto Rico, CERTIFY: That on July 13, 2020, at 08:50 AM, "POLYONE PUERTO RICO, LLC", registry number 365432, performed the following transaction: Name Change Previous Actual POLYONE PUERTO RICO, LLC AVIENT PUERTO RICO, LLC CERTIFICATE OF AMENDMENT Government of Puerto Rico IN WITNESS WHEREOF, the undersigned by virtue of the authority vested by law, hereby issues this certificate and affixes the Great Seal of the Government of Puerto Rico, in the City of San Juan, Puerto Rico, today, July 13, 2020.

Certificate Number: Certificate expiration date: Effective date: 31-10-2022 30-10-2025 Expiry date of previous cycle: 30-10-2022 31-10-2016 ES133794 Scope of certification: MANUFACTURING OF MASTERBATCHES, ADDITIVES AND COMPOUNDS FOR PIGMENTING THERMOPLASTIC MATERIALS USED IN FOOD INDUSTRY ISO 22000:2018 POLIGONO INDUSTRIAL EZCABARTE, C/H, Nº3 - 31194 - ORICAIN - NAVARRA - ESPAÑA AVIENT ESPAÑA, S.L.

AVIENT BELGIUM 2, RUE MELVILLE WILSON 5330 ASSESSE- BELGIUM Bureau Veritas Certification France certify that the Management System of the above organization has been audited and found to be in accordance with the requirements of the management system standard detailed below: Standard ISO 14001 : 2015 Scope of certification DESIGN AND MANUFACTURE OF COLOUR AND ADDITIVE CONCENTRATES, THERMOPLASTIC RESINS AND SPECIALITY COMPOUNDS.

James DOC ID ----> 202018203934 S T A T E OF O H I O C E R T I F I C A T E Ohio Secretary of State, Frank LaRose 4463782 It is hereby certified that the Secretary of State of Ohio has custody of the business records for and, that said business records show the filing and recording of: AVIENT CORPORATION United States of America State of Ohio Office of the Secretary of State Witness my hand and the seal of the Secretary of State at Columbus, Ohio this 23rd day of April, A.D. 2020. NOW, THEREFORE, BE IT RESOLVED, that, effective as of the time and date that the applicable certificate is accepted for filing by the Ohio Secretary of State (the “Effective Time”), the name of the Company shall be changed from “PolyOne Corporation” to “Avient Corporation.”

L'assemblée décide de modifier la dénomination de la Société en " Avient Colorants Belgium " avec effet au 1er décembre 2020, et déclare avoir connaissance du contenu de l'article 2:3 du Code des sociétés et des associations. Elle est dénommée " Avient Colorants Belgium ".

-------------------------------------------------------------------------------------------------- CON FUNDAMENTO EN LA MATRÍCULA E INSCRIPCIONES EFECTUADAS EN EL REGISTRO MERCANTIL, LA CÁMARA DE COMERCIO CERTIFICA: NOMBRE, IDENTIFICACIÓN Y DOMICILIO Razón social: AVIENT COLOMBIA S.A.S Nit: 900.896.246-4 Domicilio principal: Cota (Cundinamarca) MATRÍCULA Matrícula No. 02613284 Fecha de matrícula: 10 de septiembre de 2015 Último año renovado: 2021 Fecha de renovación: 26 de marzo de 2021 Grupo NIIF: Grupo I. REFORMAS ESPECIALES Por Acta No. 17 del 9 de abril de 2021 de Accionista Único, inscrito en esta Cámara de Comercio el 12 de abril de 2021, con el No. 02683838 del Libro IX, la sociedad cambió su denominación o razón social de CLARIANT PLASTICS & COATINGS (COLOMBIA) SAS a AVIENT COLOMBIA S.A.S.

AS9100 Certication DEKRA CERTIFICATE Certificate Number: 131789.01 The Aerospace Quality Management System and implementation of: Fiber-Line, LLC With Central Functions At: 3050 Campus Drive Hatfield, PA 19440 United States The certification has been performed in accordance with the requirements of AS9104/1:2012, including its implementation, and meets the requirements of the standard: AS9100D (Based on and including ISO 9001:2015) Scope: The value added design and development of synthetic fiber products for use in public and private sectors.

PLATINUM REGISTRATION INC. 1040 South Gaylord Street, Suite 71, Denver, CO 80209 www.platinumregistration.com | info@platinumregistration.com Polystrand, Inc. 8375 Highfield Parkway, Englewood, CO, 80112 Is certified by PLATINUM REGISTRATION as a company that has developed, implemented and maintains a quality management system that conforms to the requirements of the following International Standards: ISO 9001:2015 (Requirements not applicable:8.5.5 Post-delivery activities.)