February 3, 2006 [Japanese GAAP] Outline of Non-consolidated Financial Results For the Nine Months Ended December 31, 2005 Name of registrant: Nippon Telegraph and Telephone Corporation Code No.: 9432 Stock exchanges on which the Company's shares are listed: Tokyo, Osaka, Nagoya, Fukuoka and Sapporo Address of principal executive office: Tokyo, Japan (URL http://www.ntt.co.jp/ir/) Representative: Norio Wada, President Contact: Shigehito Katsuki, Head of IR, Department 4/ TEL (03) 5205-5581 1. Notes Related to the Preparation of the Quarterly Non-consolidated Financial Statements (1) Adoption of simplified accounting method:  Yes   Income taxes are calculated using an estimated annual income tax rate based on the statutory tax rate. (2) Change in accounting method from the most recent fiscal year:  No 2. Non-consolidated Financial Results for the Nine Months Ended December 31, 2005 (April 1, 2005 - December 31, 2005)   Amounts are rounded off per 1 million yen throughout this report. (1) Non-consolidated Results of Operations (2) Non-consolidated Financial Position 3. Non-consolidated Financial Results Forecasts for the Year Ending March 31, 2006 (April 1, 2005 - March 31, 2006)   (Reference) Expected Earnings per Share (Year ending March 31, 2006):  28,577.41 yen   Note:  Forecasts for the fiscal year ending March 31, 2006 have never been changed from those announced on November 9, 2005. With regard to the assumptions and other related matters concerning the above estimated results, please refer to here.   *Non-consolidated financial statements are unaudited. Copyright (c) 2006 Nippon telegraph and telephone corporation