Niterra(5334)

News Release

Sep. 10, 2009
Assigned preliminary A+ rating to shelf of NGK Spark Plug
Feb. 26, 2009
Downgraded NGK Spark Plug to A+ and revised outlook to Negative
Jan. 16, 2008
Affirmed AA-/Stable on senior debts of NGK Spark Plug
Dec. 07, 2007
Withdrawn preliminary AA- rating on shelf of NGK Spark Plug
Jul. 20, 2007
Assigned AA- to bonds of NGK Spark Plug
Jul. 18, 2007
Assigned preliminary AA- to shelf registration of NGK Spark Plug