JSR Corporation

Medical & Biological Laboratories Co., Ltd.
　

JSR Corporation (HQ: Minatoku, Tokyo, Tetsuro Hori as Representative Director, CEO, President Officer,　"JSR") will transfer its in vitro diagnostic (IVD) business and IVD materials business to JSR-01 (the name will be changed as “Tokuyama Life Science Co., Ltd.”) and its group companies, Medical and Biological Laboratories　Co., Ltd. (HQ: Minatoku, Tokyo, Hiroki Ito as Representative Director,　"MBL") and JSR Life Sciences Corporation through an absorption-type company split, and will transfer all shares of JSR-01 to Tokuyama Corporation. After the Divestiture and the transfer of shares, the new company group will continue to operate the IVD and IVD materials business as before.

In accordance with this transfer, the sales of IVD materials (latex beads, magnetic beads, blocking agents, etc.) that have been handled by JSR will be transferred to MBL as of October 1, 2025.

JSR Life Sciences Corporation, the manufacturer of these products, will change its company name to MBL Materials Co., Ltd. (President and Representative Director: Eiji Takamoto) as of October 1, 2025, and will continue to manufacture products as before.