5. NON-CONSOLIDATED FINANCIAL STATEMENTS (7) Notes to Non-Consolidated Balance Sheets Accumulated depreciation on property, plant and equipment: March 31, 2008: 240,963 million yen   March 31, 2009:   255,251 million yen In compliance with the provisions of Article 9 of the Law Concerning Nippon Telegraph and Telephone Corporation, Etc., the total assets of NTT have been pledged as general collateral for corporate bonds issued. In accordance with the provisions of Article 9 of the Supplementary Provisions to the Law Concerning Partial Revision to the Nippon Telegraph and Telephone Corporation Law (law No. 98 of 1997), NTT is jointly responsible with Nippon Telegraph and Telephone East Corporation, Nippon Telegraph and Telephone West Corporation, and NTT Communications Corporation for corporate bonds issued prior to June 30, 1999, and the total assets of the four companies above have been pledged as general collateral for the said bonds. Copyright (c) 2009 Nippon telegraph and telephone corporation