Bergmann GmbH Adolf-Dambach-Str. 2-4 76571 Gaggenau the introduction and application of a management system according to ISO 50001:2018 Scope: DEVELOPMENT AND PRODUCTION OF TECHNICAL POLYMERS The proof has been furnished by an audit.

Attachment 1 1) Attachment 4

X LB 37706-0001A X NM 32923-0004A-01-1 X GT 34065-02A-5SG

X A70 G25 BLACK TM-X SO1 NA X GT-15942-08-1 Natural X GT-15942-08-2 Natural

X ST 15548-001-1 X ST 15548-001-2 X HC SR-15063-2 Silver

X GRV-TE1-075-W-NAT X S100A Flex ONFLEX(TM) IT 2600-1

Attachment 1 Special items (1): Attachment 4

Ltd Business Registration Number: 91320505799067336K Registered I Operation Address: 13 Plant, No.855, Zhujiang Road, Suzhou New District, Jiangsu Province, China by reason of its Quality Management System has been awarded this certificate for compliance with the standard ISO 9001:2015 The Quality Management System Applies in the following area: Production Activities of Plastic Colorant & Additive (UV Blockers, Anti-Oxidation, Anti-Aging) Certified since: January 8, 2009 Valid from: January 16, 2024 Valid until: January 4, 2027 the expiry date of last certification cycle: January 4, 2024 the date of recertification audit: December 21, 2023 to December 22, 2023 After a surveillance cycle, the certificate is valid only when used together with an Acceptance Notice of Surveillance Audit issued by CQC.