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Timotheus Höttges has served as a director of our Company and Chairman of the Board since April 30, 2013, and is a member and chair of the Executive Committee of our Board of Directors. Since January 2014, Mr. Höttges has served as Chief Executive Officer of Deutsche Telekom, our majority stockholder and a leading integrated telecommunications company. From March 2009 to December 2013, he served as Deutsche Telekom’s Chief Financial Officer (CFO) and a member of the Board of Management. From December 2006 to March 2009, he was a member of the Board of Management responsible for the T-Home Unit (fixed-network and broadband business, as well as integrated sales and service in Germany). From January 2003 to December 2006, Mr. Höttges headed European operations as a member of the Board of Management of T-Mobile International. Mr. Höttges also currently serves on the boards of directors of Henkel AG & Co. KGaA and BT Group plc. Mr. Höttges studied Business Administration at the University of Cologne.