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News Release

FOR IMMEDIATE RELEASE
July 31, 2006
For Print (PDF 122KB)

Notice Concerning Acquisition of the Company's Own Shares


Listed Stock Name:   Eisai Co., Ltd.
President & CEO: Haruo Naito
Headquarters: 4-6-10 Koishikawa, Bunkyo-ku, Tokyo
Securities Code: 4523
Listed Locations: First Sections of the Tokyo Stock Exchange
& the Osaka Securities Exchange
Inquiries: Akira Fujiyoshi
Vice President
Corporate Communications,
Investor Relations
Phone: +81-3-3817-5120

Notice Concerning Acquisition of the Company's Own Shares
(pursuant to paragraph 1 of Article 156 of the Corporate Law based on the articles of incorporation paragraph 1, item 1 of Article 459 of the Corporate Law.)

Eisai Co., Ltd. (hereinafter referred to as "Eisai") announced that the Board of Directors resolved on July 31, 2006 an acquisition of own shares pursuant to paragraph 1 of Article 156 of the Corporate Law based on the articles of incorporation paragraph 1, item 1 of Article 459 of the Corporate Law. Details are noted as below.


I.  Reason for acquiring Eisai's own shares

For the purpose of implementing a flexible capital policy to cope with the changes in business environment in accordance with the Company's articles of incorporation.

II. Details of acquisition

(1) Type of shares to be acquired    Eisai's Common Stock
(2) Numbers of shares to be
acquired
4 million shares (maximum)
(Percentage to total number of issued shares: 1.3%)
(3) Total amount of shares to be acquiredyen22 billion (maximum)
(4) Schedule for acquisition of Eisai's own sharesFrom August 1, 2006 to
March 31, 2007


  (Reference)

Status of treasury stock as of June 30, 2006
Total number of issued shares
 (excluding treasury stock)
285,881,316 shares   
Treasury stock10,685,633 shares