February 4, 2005
Nippon Telegraph and Telephone Corporation

Supplementary data the Nine Months Ended December 31, 2004

  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 forecasts included herein are forward-looking statements about the future performance of NTT which are based on the assumptions, estimates, judgments, projections and beliefs of the management of NTT in light of the information currently available to it. The projected numbers in this release were derived using certain assumptions that are indispensable for making projections in addition to facts that have been ascertained in the past and recognized accurately. Risks and uncertainties inherent in future projections, NTT's future business operations, the state of the economy in Japan and abroad, possible fluctuations in the securities markets and other changes in circumstances could cause NTT's actual results to differ materially from the projected figures. The projected figures included herein (including revenue and cost details) are provided for the reference of investors. NTT group makes no representation or warranty as to the accuracy or completeness of these figures.


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