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Regarding the Statement in Pfizer's 10-Q Report Dated May 8th, 2009

Eisai confirms that it has the right to terminate the Strategic Alliance and Development Agreement with Pfizer with respect to Aricept® upon consummation of Pfizer's acquisition of Wyeth.

Contact:

PR Department
°®¶¹´«Ã½.

+81-(0)3-3817-5120