Jul. 02, 2010

Assigned preliminary AA rating to shelf of Nippon Steel

Apr. 13, 2010

Assigned AA to bonds of Nippon Steel

Oct. 23, 2009

Affirmed AA and J-1+ on Nippon Steel; Revised outlook to Stable

Jun. 03, 2009

Assigned AA rating to bonds of Nippon Steel

Nov. 26, 2008

Assigned AA rating to bonds of Nippon Steel

Oct. 07, 2008

Affirmed AA/Positive and J-1+ on Nippon Steel

Aug. 27, 2008

Assigned AA to bonds of Nippon Steel

May. 16, 2008

Assigned AA to bonds of Nippon Steel

Apr. 28, 2008

Withdrawn shelf registration of Nippon Steel

Mar. 31, 2008

Affirmed J-1+ on CP of Nippon Steel

Jan. 18, 2008

Assigned AA to bonds of Nippon Steel

Nov. 21, 2007

Assigned AA to bonds of Nippon Steel

Oct. 31, 2007

Assigned preliminary AA to shelf registration

Oct. 04, 2007

Affirmed AA/Positive on senior debts of Nippon Steel