Sanko Junyaku Co., Ltd. and Eisai Company, Ltd. to Co-promote "Picolumi ucOC", Diagnostic Agent Introduced by Sanko Junyaku Co., Ltd.

TOKYO, Aug.23, 2007-Sanko Junyaku Co., Ltd. (Headquarters: Tokyo, President: Masao Jimbo), a subsidiary of Eisai Co., Ltd. (Headquarters: Tokyo, President and CEO: Haruo Naito), today announced that it will launch the new diagnostic agent Picolumi® ucOC used in determining the availability of Vitamin K2 medication therapy for the patients with osteoporosis as well as its effectiveness assessment. The Picolumi® ucOC will be introduced to the market on August 23, 2007, in co-promotion with Eisai Co., Ltd.