All Rights Reserved https://www.avient.com/products/engineered-polymer-formulations/conductive-signal-radiation-shielding-formulations/stat-tech-static-dissipative-electrically-conductive-formulations Slide 1: Global small appliance brand

LEARN MORE https://www.avient.com/products/polymer-colorants/colorant-dispersions/colorants-liquid-silicone-rubber Slide 1: Textile manufacturer

ZWOLSEWEG 1, 2994 LB, BARENDRECHT, NETHERLANDS.

Zwolseweg 1, 2994 LB, Barendrecht, Netherlands - TEL: +31(0)102922689. www.dnv.com/assurance MANAGEMENT SYSTEM CERTIFICATE Certificate no.: 462307-2021-AQ-RGC-RvA Initial certification date: 23 June 2021 Valid: 24 June 2024 – 23 June 2027 This is to certify that the management system of Avient China Company Limited No. 188, Quanzhou Road, Zhongxin Suchu High-Tech Industrial Development Park, Chuzhou, Anhui, China has been found to conform to the Quality Management System standard: GB/T 19001-2016 / ISO 9001:2015 This certificate is valid for the following scope: Design and Manufacture of Color Concentrates, Filling Concentrates and Additive Concentrates http://www.dnv.com/assurance

To verify this certificate please call 303-639-9001 *Transferred to Platinum Registration, Inc. on November 1, 2019.

Kalisabi No. 1, Kec.

https://www.avient.com/products/polymer-additives/foaming-agents/hydrocerol-chemical-foaming-agents Slide 1: siding & cladding Manufacturer

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Normative basis EN ISO 13485:2016 Medical devices – Quality Management System Page 1 of 3 Appendix of main certificate H61173 Central function Scope Norm / Revision Reg. no.