Sustainability Report 2016 / 2017

Validation The next consolidated Environmental Statement will be submitted for validation by 22 May 2018. Contracted as environmental auditor/environmental audit organization: Dr. Norbert Hiller (Registration Nr.: D-V-0021) INTECHNICA Cert GmbH (Registration Nr.: D-V-0279) Ostendstr. 181 90482 Nuremberg Validation Confirmation The undersigned, Dr. Norbert Hiller, EMAS environmental auditor with Registration Number DE-V-0021, accredited or approved for Region 20 (NACE-Code Rev. 2), confirms that he has checked whether the site / the entire organization of Werner & Mertz GmbH with the subsidiaries Erdal-Rex GmbH, tana-Chemie GmbH und Werner & Mertz Service & Logistik GmbH Rheinallee 96, 55120 Mainz as given in the consolidated Environmental Statement (with registration number DE-152-00013), satisfies all requirements of Regulation (EG) Nr. 1221/2009 of the European Parliament and the Council of 25 No- vember 2009 regarding voluntary participation of organizations in a community system for Environmental Management Audit Scheme (EMAS). By signing this confirmation, the environmental auditor confirms that • the audit and validation were carried out in complete compliance with the requirements of Regulation (EC) Nr. 1221 /2009, • the result of the audit and validation confirm that there is no evidence of nonconformance with the applicable environmental regulations, • the data and information in the Environmental Statement /updated Environmental Statement of the organization / the site provides a reliable, credible and accurate picture of the activities of the organi- zation / site in the areas specified in the Environmental Statement. Dr. Norbert Hiller (Environmental Auditor) Nuremberg, 30 May 2016 61 Environmental Statement · Mainz site