May 13, 2008
Nippon Telegraph and Telephone Corporation


Supplementary Data for
Annual Results for Fiscal Year Ended March 31, 2008



Contents


1. Number of Subscribers
  2. Number of Employees
  3. Capital Investment
  4. Financial Results and Projections
  5. Average Monthly Revenue per Unit (ARPU)
  6. Interest-Bearing Liabilities (Consolidated)
  7. Indices (Consolidated)

The forward-looking statements and projected figures concerning the future performance of NTT and its subsidiaries and affiliates contained or referred to herein are based on a series of assumptions, projections, estimates, judgments and beliefs of the management of NTT in light of information currently available to it regarding the economy, the telecommunications industry in Japan and other factors. These projections and estimates may be affected by the future business operations of NTT and its subsidiaries and affiliates, the state of the economy in Japan and abroad, possible fluctuations in the securities markets, the pricing of services, the effects of competition, the performance of new products, services and new businesses, changes to laws and regulations affecting the telecommunications industry in Japan and elsewhere and other changes in circumstances that could cause actual results to differ materially from the forecasts contained or referred to herein.


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