NOTICE CONCERNING ACQUISITION OF THE COMPANY'S OWN SHARES IN THE MARKET
Notice Concerning Acquisition of the Company's Own Shares in the Market
Eisai Co. Ltd. announces that at the Board of Directors' Meeting held on February 22, 2002 approved the acquisition of own shares in accordance with article 3 of the former "Law for Special Exceptions Concerning the Retirement of Stock" applied under Paragraph 4 of Article 3 of Supplementary Provisions to the Law Concerning a Partial Amendment to the Japanese Commercial Code (Law. No. 79, 2001).