May 18, 2009 Nippon Telegraph and Telephone Corporation Partial Corrections of the Financial Results Release for the Fiscal Year Ended March 31, 2009 Nippon Telegraph and Telephone Corporation ("NTT") announced that it has filed with the Tokyo Stock Exchange and other stock exchanges in Japan, partial corrections to the Financial Results Release for the Fiscal Year Ended March 31, 2009, which was released on May 13, 2009. The places for correction have been underlined. After Correction 1.BUSINESS RESULTS (1) Analysis Concerning Business Results Nippon Telegraph and Telephone Corporation (Holding Company) [2] Fundamental research and development activities As a result of these research and development activities, NTT's total expenditures on research and development during the fiscal year under review were 132.1 billion yen (a decrease of 2.0% from the previous fiscal year), and NTT received basic research and development revenues of 126.9 billion yen (an increase of 0.1% from the previous fiscal year) as compensation for these research and development activities. Before Correction 1.BUSINESS RESULTS (1) Analysis Concerning Business Results Nippon Telegraph and Telephone Corporation (Holding Company) [2] Fundamental research and development activities As a result of these research and development activities, NTT's total expenditures on research and development during the fiscal year under review were 143.6 billion yen (an increase of 6.6% from the previous fiscal year), and NTT received basic research and development revenues of 126.9 billion yen (an increase of 0.1% from the previous fiscal year) as compensation for these research and development activities. After Correction 5. NON-CONSOLIDATED FINANCIAL STATEMENTS (8) Note to Non-Consolidated Statements of Income Research & Development expenses included in operating expenses: Year ended March 31, 2008: 134,802 million yen Year ended March 31, 2009: 132,144 million yen Before Correction 5. NON-CONSOLIDATED FINANCIAL STATEMENTS (8) Note to Non-Consolidated Statements of Income Research & Development expenses included in operating expenses: Year ended March 31, 2008: 134,802 million yen Year ended March 31, 2009: 143,680 million yen Further information, please contact : Accounting and Tax Subgroup Finance and Accounting Department Nippon Telegraph and Telephone Corporation Tel: +81-3-5205-5421 Fax: +81-3-5205-5459 Copyright (c) 2009 Nippon telegraph and telephone corporation