Straight Bonds

(as of December 10, 2008)

Date of issue Date of redemption Years Interest rate per year(%) percent Total amount of issue (millions of Yen) 5th Series of Eisai Co., Ltd. Unsecured Straight Bonds June 6, 2008 June 6, 2011 3 1.34 40,000 6th Series of Eisai Co., Ltd. Unsecured Straight Bonds June 6, 2008 June 6, 2013 5 1.63 50,000 7th Series of Eisai Co., Ltd. Unsecured Straight Bonds June 6, 2008 June 5, 2015 7 1.83 30,000

Ratings

Rating Long-tern Short-tern Moody's A2(March 5, 2008) - R&I AA- (March 27, 2008) a-1+ (August 8, 2007)

(Last rating update)