a) Deutsche Telekom defines EBITDA as profit/loss from operations before depreciation, amortization, and impairment losses. For a detailed explanation of non-GAAP performance measures, special factors affecting EBITDA, adjusted EBITDA, the adjusted EBITDA margin as well as special factors affecting profit or loss and the adjusted net profit, please refer to “Reconciliation to pro forma figures” that is posted on Deutsche Telekom's Investor Relations website at www.telekom.com

b) Including first-time consolidation of OTE from February 1, 2009. The impairment of goodwill is reported as a special factor and does not lead to any cash outflow.

c) One mobile communications card corresponds to one customer. The total was calculated on the basis of precise figures and rounded to millions. Percentages are calculated on the basis of figures shown. Organic customer growth is reported for better comparability: COSMOTE customers were also included in the historic customer base.

d) Lines in operation excluding internal use and public telecommunications, including wholesale services.
e) As of January 1, 2009, around 160,000 business customers were transferred from the Systems Solutions operating segment in Germany to the Broadband/Fixed Network operating segment. The presentation of the number of lines has been adjusted to reflect the business model of the Broadband/Fixed Network operating segment. For the purposes of equal treatment, internal use by the Systems Solutions segment is no longer included in the presentation of the number of lines. Prior-year figures have been adjusted accordingly.
f) Since February 1, 2009, the fixed-network business of OTE Greece and Romtelecom (Romania) has been included in the Broadband/Fixed-Network operating segment. Prior-year comparatives have been adjusted on a pro forma basis..