TSE News

Calculation of TOPIX in relation to shares of Mizuho Financial Group, Inc. (8411)

Update : Aug. 18, 2011

[Tokyo Stock Exchange, Inc.]

Calculation of TOPIX in relation to shares of Mizuho Financial Group, Inc. (8411)

Tokyo, August 18, 2011– Mizuho Financial Group, Inc ("Mizuho FG", Code: 8411) approved a stock swap with Mizuho Trust & Banking Co., Ltd. ("Mizuho Trust", Code: 8404) at its Board of Directors meeting on April 28, 2011 in which Mizuho Trust will become a wholly owned subsidiary of Mizuho FG. In addition, Mizuho FG approved a private placement of shares to two subsidiaries at its Board of Directors meeting on July 29, 2011. The Tokyo Stock Exchange will include the shares issued due to these corporate actions in the TOPIX index and its sub-indices as of the close of trading on August 26, 2011.

[Revision]
The number of shares used for index calculation and free float weight of Mizuho FG will be revised as below as of the close of trading on August 26, 2011.

	Number of listed shares for index calculation (1)	FFW (2)	Number of shares for index calculation ((3)=(1)*(2))
Before Review	21,791,643,560	0.90000	19,612,479,204
After Review	23,900,144,499	0.88850	21,235,278,387.36