No. 1, Qihang Industry Park, Haoxiang Road, Shajing Town, Baoan, Shenzhen, Guangdong, China 518104 (USI: C5M65R) and, if applicable, the remote supporting locations as mentioned in the Appendix accompanying this Certificate has been found to conform to the Quality Management System standard: IATF 16949:2016 This certificate is valid for the following scope: DESIGN AND MANUFACTURE OF PLASTIC COMPOUNDING MATERIAL EXCLUSION: NONE http://www.dnv.com Certificate no.: 273138-2018-AQ-RGC-IATF IATF Certificate No: 0558323 Place and date: Katy, TX, 10 December 2024 Lack of fulfilment of conditions as set out in the Certification Agreement may render this Certificate invalid.

11229-2006-CHN-IATF IATF Certificate No: 0573810 Valid: 21 May 2025 – 20 May 2028 This is to certify that the management system of PolyOne - Suzhou, China EM Sector, 77 Shenggang Street, Suzhou Industrial Park, Suzhou, Jiangsu, China 215024 (USI: CF4943) and, if applicable, the remote supporting locations as mentioned in the Appendix accompanying this Certificate has been found to conform to the Quality Management System standard: IATF 16949:2016 This certificate is valid for the following scope: DESIGN AND MANUFACTURE OF PLASTIC COMPOUNDING MATERIAL EXCLUSION: NONE http://www.dnv.com Certificate no.: 11229-2006-CHN-IATF IATF Certificate No: 0573810 Place and date: Katy, TX, 22 May 2025 Lack of fulfilment of conditions as set out in the Certification Agreement may render this Certificate invalid.

Francisco Nakasato, 1700 Bairro São Roque das Chaves Itupeva, SP 13295-000 Brasil ISO 9001:2015 O Sistema de Gestão da Qualidade é aplicável a: Certificado No: 49862 Data de Expiração Anterior: 09 Abril 2020 Data de Aprovação Original: 16 Abril 2014 Data de Certificação: 13 Abril 2020 Data Efetiva: 06 Abril 2023 Data de Expiração: 09 Abril 2026 Data de Emissão: 06 Abril 2023 Dominic Townsend, Presidente DEVELOPMENT, PRODUCTION, SALES AND TECHNICAL ASSISTANCE OF LIQUID COLORANTS, COLORS CONCENTRATES AND ADDITIVES FOR THE PLASTICS, FIBERS AND RUBBER MARKET IN GENERAL DESENVOLVIMENTO, PRODUÇÃO, VENDAS E ASSISTÊNCIA TÉCNICA DE COLORANTES LÍQUIDOS, CONCENTRADOS DE CORES E ADITIVOS PARA O MERCADO DE PLÁSTICOS, FIBRAS E BORRACHAS EM GERAL.

WITH ADDITIONAL FACILITIES LISTED ON THE ATTACHED ANNEX) has been assessed by ABS Quality Evaluations, Inc. and found to be in conformance with the requirements set forth by: RCMS®:2013 (Option 2) The Environment, Health, Safety and Security Management System is applicable to: Design and Manufacture of Colorants for Plastics Certificate No: 55324 Effective Date 21 December 2017 ABS Quality Evaluations, Inc. 16855 Northchase Drive, Houston, TX 77060, U.S.A.

including Head of Group Procurement; Vice President, Business Line Plastics and Special Applications, and Head of Region Europe for the Pigments and Additives Division.

FAMOUS TIER 2 COMPANY A U T O M O T I V E L I G H T I N G I R L E N S O F S E N S O R • High heat resistance up to 203°C • PESU base resin with high IR transmission • Visible light cannot pass through • Used rich experience with different IR transmission materials to support customer’s material design and test method • Customized color for IR transmittance, which allowed IR to pass through the plastic lamp without accumulating high heat Edgetek™ ET9400-8005 IR Formulation KEY REQUIREMENTS WHY AVIENT?

Microsoft PowerPoint - OnColor Combination MIC Color - Lower Bumper - Application Snapshot AUTOMOTIVE OEM L O W E R E X T E R I O R B U M P E R • Develop a new color for molded-in-color plastics • Create ‘Wow’ effect without chroming or paint • Provide metallic aspect with good UV resistance for exterior part • Developed new “gris megalithe” color for PP (AS1) utilizing Avient Design center • Produced master plaques to showcase new color • Accelerated testing to certify outstanding weathering resistance • Collaborated across the supply chain to optimize metallic effect in the final part Smartbatch™ Combination Colorants & Additives KEY REQUIREMENTS WHY AVIENT?

X040-033-33-01 QUAKER PLASTIC SAMPLE

VBX3558 INCREASED PLASTICIZER

5050 317 PLASTICIZER