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News Release

December 20, 2002

Notice Concerning Subsidiary Dissolution

  Listed Stock Name : Eisai Co., Ltd.
  Headquarters Location : 4-6-10 Koishikawa, Bunkyo-ku, Tokyo
  President and CEO : Mr. Haruo Naito
  Securities Code : 4 5 2 3
  Listed Locations : First Sections of the Tokyo Stock Exchange
& the Osaka Securities Exchange
  Inquiries: Mr. Nobuo Deguchi
Vice President
Public Relations & Legal Affairs
Phone 81-3-3817-5190

Notice Concerning Subsidiary Dissolution

On December 20, 2002, the Board of Directors of Eisai Co., Ltd. resolved dissolution of Dymec Co., Ltd., a wholly-owned subsidiary of Clinical Supply Co., Ltd. which is subsidiary of Eisai Co., Ltd. Details are noted below.

1 . Summary of the Subsidiary Dissolved
Company Name: Dymec Co., Ltd.
Headquarters Location: 2-24 Shiohama, Ichikawa-shi, Chiba Prefecture
Representative: Mr. Motohisa Hara (President and CEO)
Description of Operations: Medical instruments sales/production
Date of Incorporation: February 1995
Capital: yen30 million
Major Shareholders: Clinical Supply Co., Ltd. 100%
(Clinical Supply Co., Ltd. is a 84.8% owned subsidiary of Eisai Co., Ltd.)
2 . Reason for Dissolution

Restructuring of operations of Clinical Supply Co., Ltd.
3 . Date of Dissolution December 20, 2002
4 . Effect on Business Results

This dissolution will not have a material effect on the business results of Eisai Co., Ltd.

   Note: This non-official English translation is provided for reference purposes only.