Certificate CH02/0529.00 The management system of Rahn AG Dörflistrasse 120 CH - 8050 Zürich has been assessed and certified as meeting the requirements of ISO 9001:2015 For the following activities Development, sales and distribution of chemical and natural raw materials including supporting services. This certificate is valid from 4 June 2020 until 3 June 2023 and remains valid subject to satisfactory surveillance audits Re-certification audit due 60 days prior to expiry date Issue 9. Certified since February 1999 This is a multi-site certification 'hk Additional site details are listed on the subsequent page ,SGäGSGSGSGS.,, "- 'cnqGSGSGSGS GSGSGG5GSGi555. 22 ' -SGSGSGSGSGS, "GSGSGSGS SGSGSG GSGS SGSGs, Authorised by _72e2 SGS Société Générale de Surveillance SA Technoparkstrasse 1 8005 Zurich Switzerland t+41 (0)44 445-16-80 f +41 (0)44 445-16-88 www.sgs.com This document is issued by the Company subject to its General Conditions of Certification Services accessible at www.sgs.cornIterms_and_conditions.htm. Attention is drawn to the limitations of liability, indemnification and jurisdictional issues established therein. The authenticity of this document may be verified at http://www.sgs.com/enkerlified-dents-and- products/certified-client-directory. Any unauthorized alteration, forgery or falsification of the content or appearance of this document is unlawful and offenders may be prosecuted to the fullest extent of the law.