6. Securities March 31, 2003 Marketable investments in subsidiaries   Amount included in the balance sheet Fair value Difference Investments in subsidiaries   20,453 million yen   7,472,792 million yen   7,452,338 million yen March 31, 2004 Marketable investments in subsidiaries and affiliated companies   Amounts included in the balance sheet Fair value Difference Investments in subsidiaries   20,170 million yen   7,777,460 million yen   7,757,289 million yen Investments in affiliated companies   9,603 million yen   9,786 million yen   183 million yen Total   29,773 million yen   7,787,246 million yen   7,757,472 million yen Copyright (c) 2004 Nippon telegraph and telephone corporation