Riken Keiki Co., Ltd. (TSE:7734) signed a contract to acquire an additional 12.5% stake in RKI Instruments, Inc. from Robert O. Pellissier and Sandra Gallagher for $4.5 million on March 15, 2017. Riken Keiki Co., Ltd. will acquire 0.02 million shares of RKI Instruments, Inc. Riken Keiki Co. held 0.05 million shares amounting to 38.5% stake, Robert O. Pellissier held 0.05 million shares amounting to 40% stake and Sandra Gallagher held 0.03 million shares amounting to 21.5% stake prior to the transaction and after the transaction, Riken Keiki Co., Ltd. will hold 0.07 million shares amounting to 51% stake in RKI Instruments, Inc. After the transaction, RKI Instruments, Inc. will operate as a subsidiary of Riken Keiki Co., Ltd. RKI Instruments, Inc. reported net assets of $12.44 million, total assets of $17.56 million, sales of $33.71 million, operating income of $3.88 million and net income of $2.12 million in 2016. The Board of Directors of Riken Keiki Co., Ltd. passed a resolution for the transaction on March 15, 2017. The transaction is expected to close on March 31, 2017. The advisory expenses are estimated to be $0.21 million (¥25 million).