August 5, 2009
Nippon Telegraph and Telephone Corporation


Supplementary Data for
The Three Months Ended June 30, 2009



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 projected figures concerning the future performance of NTT and its subsidiaries and affiliates contained 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 NTT, the economy and telecommunications industry in Japan and overseas, 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, other changes in circumstances that could cause actual results to differ materially from the forecasts contained herein, as well as other risks included in NTT's most recent Annual Report on Form 20-F and other filings and submissions with the United States Securities and Exchange Commission.


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