Maruo Calcium Co. Ltd. (OSE:4102) agreed to acquire 2.5% stake in Oriental Silicas Corporation from OSC Group on June 28, 2012. Under the agreement, Maruo will join four sales distributors.

Maruo Calcium Co. Ltd. (OSE:4102) cancelled the acquisition of 2.5% stake in Oriental Silicas Corporation from OSC Group on June 28, 2013.