News Release 030513d

Operation Data for Fiscal Year Ended March 31, 2003

(1)Number of Subscribers of Major Services

note 1:

1.	In calculating the number of subscribers for INS-Net, the number of subscribers for INS-Net 1500 is multiplied by 10.
2.	INS-Net 1500 career's rate approved by MPHPT in June 2002 is not included. (The numbers of subscribers multiplied by 10 are 98 thousands in NTT East and 89 thousands in NTT West. )

(2)ARPU

note 2:

Interconnection revenues are excluded.

Revenues of FLET'S ISDN and FLET'S ADSL are added to ISDN revenues and Telephone revenues, respectively.

In calculating ARPU of ISDN, the number of subscribers for INS-Net 1500 is multiplied by 10.

For the number of subscribers for each of ISDN and Telephone, total numbers of active user in each month are used. (see note1:2)

i-mode ARPU = ARPU generated purely from i-mode x (no. of active i-mode subscribers/no. of active cellular phone subscribers)
No. of active subscribers used in ARPU calculation in Mobile are as below

PDC: {( No. of subscribers at the end of previous fiscal year + no. of subscribers at the end of current fiscal year)/2} x 12 months
FOMA: Sum of no. of active subscribers* for each month from April to March
*active subscribers = (No. of subscribers at end of previous month + no. of subscriber at end of current month)/2

The consolidated financial results forecasts above 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 the Company in light of the information currently available to it. The projected numbers in this report were derived using certain assumptions that are indispensable for making projections in addition to historical facts that have been acknowledged accurately. Risks and uncertainties inherent in future projections, the Company's future business operation, the state of the economy in Japan and abroad, possible fluctuations in the securities markets and other changes in circumstances could cause the Company's actual results to differ materially from the projected figures above.