Telefónica Deutschland Holding AG Georg-Brauchle-Ring 50 80992 Munich Deutschland VAT-ID-Number 266 077 779 Registered Seat Munich. Munich Court HRB 201055 Board of Directors: Markus Haas (Chairman of the Board of Directors), Valentina Daiber, Nicole Gerhardt, Andreas Laukenmann, Alfons Lösing, Mallik Rao, Markus Rolle. Chairman of the Supervisory Board: Peter Löscher Contact Telefon: 089 / 244 20 Investor Relations Contact for the electronic submission of voting rights notifications: Regulatory Authority: Federal Network Agency for Electricity, Gas, Telecommunications, Post and Railway Tulpenfeld 4 53113 Bonn Tel: 02 28/14-0, Fax: 02 28/14-88 72 Information for paying agent: BNP Paribas Securities Services S.C.A. Europa-Allee 12 60327 Frankfurt am Main Responsible according to § 18 Abs. 2 Medien-Staatsvertrag (MStV): Christian Kern Director Investor Relations E-Mail contact according to nach § 5 Abs. 1 Nr. 2 TMG: