Eisai Continues Policy for Protection of the Company's Corporate Value and Common Interests of Shareholders.

Tokyo, Japan, July 31, 2007 - (JCN Newswire) - The Board of Directors of Eisai Co., Ltd. today approved the continuation of the "Policy for Protection of the Company's Corporate Value and Common Interest of Shareholders" (the "Policy") which was proposed by Eisai's Independent Committee of Outside Directors ("ICOD").

The Policy was originally proposed by the ICOD members in the Board of Directors meeting on February 28, 2006, and was implemented. The Board of Directors also determined that the Policy shall be deliberated to maintain, review or abandon by the new ICOD members, which is elected at the Board of Directors Meeting every year following the Ordinary General Meeting of Shareholders.

In FY 2007, the ICOD meeting was held after the 95th Ordinary General Meeting of Shareholders on June 22 with a total of seven members including one-newly appointed members, where a decision to propose the continuation of the present Policy to the Board of Directors meeting was agreed.

The ICOD determined that it was appropriate to continue the Policy on the basis of the resolution at the Board of Directors meeting in consideration of the following conditions:

(1) The Policy is operated under the initiative of the ICOD, and thereby precluding arbitrary actions by the Management.

(2) The Policy shall be deliberated to maintain, review or abandon every year.

(3) Shareholders' intentions shall be reflected through electing the Directors at the Ordinary General Meeting of Shareholders every year.

For further information on the Policy, please visit our website below:

'Policy for Protection of the Company's Corporate Value and Common Interests of Shareholders' (News release announced on February 28, 2006)

URL: http://www.eisai.co.jp/enews/enews200608.html

About Eisai Co., Ltd.

Eisai Co., Ltd. (TSE: 4523; ADR: ESALY) is a research-based human health care company that discovers, develops and markets products in more than 30 countries. Through a global network of research facilities, manufacturing sites and marketing subsidiaries, Eisai actively participates in all aspects of the worldwide health care system. Eisai employs more than 8,000 people worldwide. For more information, please visit http://www.eisai.co.jp.

Source: Eisai Co., Ltd.

Contact:

Corporate Communications Department
Eisai Co., Ltd.
TEL: [phone]

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