Jan. 30, 2009

Assigned preliminary AA-/A+/A to shelf of Mizuho Corporate Bank

Dec. 04, 2008

Assigned AA- rating to bonds of Mizuho Corporate Bank

Jul. 11, 2008

Assigned AA- to bonds of Mizuho Corporate Bank

Apr. 21, 2008

Assigned AA- to bonds of Mizuho Corporate Bank

Feb. 27, 2008

Assigned A+ to subordinated bonds of Mizuho Corporate Bank

Jan. 18, 2008

Assigned AA- to bonds of Mizuho Corporate Bank

Oct. 17, 2007

Assigned AA- to bonds of Mizuho corporate Bank

Jul. 19, 2007

Assigned AA- to bonds of Mizuho Corporate Bank