The Japan Post Group launched its operations as a company limited following its privatization on October 1, 2007. Since Japan Post Holdings Co., Ltd., Japan Post Bank Co., Ltd., and Japan Post Insurance Co., Ltd., were established earlier to prepare for the privatization, their fiscal years began on April 1, 2007. Therefore, the accounts for these companies include figures for the preparatory companies.
The accounts for Japan Post Network Co., Ltd., and Japan Post Service Co., Ltd., cover the period from October 1, 2007, through March 31, 2008.

*The company name are at the time in 2008