Changes in accounting policies and changes in the reporting structure

Since January 1, 2017, the newly established Board of Management ¬≠department Technology and Innovation, which comprises the Innovations, Telekom IT, and Technology units formerly assigned to the Germany, Europe, and Systems Solutions operating segments, has been reported on in the Group Headquarters & Group Services segment. Comparative figures have been adjusted retrospectively in segment reporting.

Since January 1, 2017, Deutsche Telekom has also reported on the Group Development operating segment, which actively manages and increases the value of selected subsidiaries and equity investments of the Group. The following units and subsidiaries have been included: T-Mobile Netherlands (previously in the Europe operating segment), Deutsche Funkturm (DFMG, previously in the Germany operating segment), Deutsche Telekom Capital Partners (DTCP), the stakes in BT plc, and Str√∂er SE & Co. KGaA, as well as Strato AG, which was sold in March 2017, and the stake in Scout24 AG, which was sold in June 2017 (all previously in the Group Headquarters & Group Services segment). The Group functions of Mergers & Acquisitions and Strategic Portfolio Management have also been assigned to Group Development. Comparative figures have been adjusted retrospectively in segment reporting.