Eisai Company, Ltd. Commences Cash Tender Offer for All Outstanding Shares of MGI PHARMA, INC.

TOKYO & WOODCLIFF LAKE, N.J.--(BUSINESS WIRE)--Eisai Co., Ltd. (Tokyo, TSE 4523), a research-based human health care (hhc) company, today announced the commencement of its cash tender offer for all outstanding shares of the common stock of MGI PHARMA, Inc. (NASDAQ: MOGN) for US$41.00 per share. The tender offer is being made by Jaguar Acquisition Corp., a wholly owned subsidiary of Eisai Corporation of North America, which is a wholly owned subsidiary of Eisai Co., Ltd., pursuant to an Offer to Purchase, dated December 21, 2007, and the Agreement and Plan of Merger, dated as of December 10, 2007, by and among Eisai Co., Ltd., Jaguar Acquisition Corp., and MGI PHARMA, Inc.