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Daiichi Sankyo to Dissolve Subsidiary

TOKYO, December 21, 2007 - DAIICHI SANKYO COMPANY, Limited (President: Takashi
Shoda, hereafter "DAIICHI SANKYO") announces that the dissolution of its subsidiary
Sankyo Lifetech Co., Ltd. was approved at its Board of Directors meeting. The impact of this
dissolution on the earnings of DAIICHI SANKYO of the fiscal year ending March 2008 will be

1. Reason for dissolution
The DAIICHI SANKYO Group has been in the process of making non-pharmaceutical
businesses independent. After spinning off Sankyo Lifetech’s main businesses, such as
the veterinary pharmaceutical business, food additive business, contract synthesis of
medical drugs business (bulk powder), chemical products business and manufacture
and sales of ant repellant and hygienic pesticide with household pest management
services in March, 2007 to third parties, Sankyo Lifetech has overseen post-transfer
duties. The decision was made to dissolve as completion of post-transfer duties nears.

2. Outline of Sankyo Lifetech
Date Established: April 1, 2003
Capital: 300 million yen
Location of Head Office: 23-14, Hongo 4-chome, Bunkyo-ku, Tokyo
Representative: Koichi Ando
Business: Post-transfer duties
Number of Employees: 6
Sales: Net sales of 14.68 billion yen and ordinary income of 1.57 billion yen
(fiscal year ended March 2007)

3. Date of Dissolution
December 21, 2007

Representative: Takashi Shoda, President and Representative Director
(Code no.: 4568, First Section, Tokyo, Osaka and Nagoya Stock Exchanges)
Please address inquiries to Toshio Takahashi, Corporate Officer in Charge,
Corporate Communications Department
Telephone: +81-3-6225-1126

Posted: December 2007