No. 10231X Form W-9 (Rev. 10-2018) AVIENT CORPORATION ✔ 5 D 33587 WALKER ROAD AVON LAKE, OH 44012 3 4 1 7 3 0 4 8 8 7/20/2020

First, the company was using antimicrobial additives that required high let-down ratios (LDR). THE SOLUTION Seeking a way to address these challenges, the manufacturer consulted Avient. In a relatively short time, the Avient team was able to formulate additives that performed well at lower LDRs.

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.

To learn more, please contact Avient at +1.844.4AVIENT (1.844.428.4368) or visit www.avient.com High flame performance and a low dielectric constant keep our equipment safe and data moving quickly. THE SOLUTION The manufacturer worked with Avient to identify alternatives to FEP insulation that would meet requirements in their data cable.

Bergamid™ Laser Welding Solutions Bergamid™ Laser Welding Solutions help customers produce high performance parts with durable welds and smooth surfaces. To further support customers, Avient offers a range of value-added services and is ready to collaborate on part design, material compatibility evaluations, laser welding process selection and more to drive success. Avient makes no warranties or guarantees respecting suitability of either Avient’s products or the information for your process or end-use application.

Contact Avient for more information. FASTENER SELECTION Copyright © 2020, Avient Corporation. To learn more about Avient’s advanced composite solutions, contact Avient at +1.844.4AVIENT www.avient.com

These CFAs are the result of Avient’s combined experiences in the development of chemical foaming agents for automotive plastic components and polymer solutions for healthcare applications. Copyright © 2022, Avient Corporation. Avient makes no warranties or guarantees respecting suitability of either Avient’s products or the information for your process or end-use application.

P R O F I L E / S H E E T E X T R U D E R R A I L S A N D K I C K P L A T E S • Convert existing PVC profile and sheet rails and kick plates to polyolefin resin to meet Class A fire safety (ASTM E84) • Provide a system that meets healthy building certifications and approvals • Utilize a more sustainable flame retardant technology, removing brominated or halogenated flame retardants from the environment • Achieve non-compromising performance in aesthetics, impact, dimensional stability, CLTE, and E84 testing • Provided broad flame retardant platform, backed by extensive application and industry expertise, to meet global flammability standards • Has largest UL94 recognized Prospector membership with HB, V-0, V-1, V-2 and 5VA/5VB ratings, and broad glow wire performance products • Included in-house UL certified labs and manufacturing locations to perform UL94 material sampling and testing • Supported application development to meet fire safety standards, address current or emerging healthy building codes, smart home requirements, and LEED credits • Offered custom formulations in small lot quantities Cesa™ Flam Non-Halogen Flame Retardants KEY REQUIREMENTS WHY AVIENT? AVIENT SOLUTION CERTIFICATIONS + QUALITY LEARN MORECopyright © 2022, Avient Corporation. https://www.avient.com/products/polymer-additives/performance-enhancement-additives/cesa-flame-retardant-additives

pearlescence, iridescence, frost), high-visibility (e.g., fluorescence, sparkles) and color-changing (e.g., photochromic, thermochromic). 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.