Woori Investment & Securities Co. Ltd. and Daishin Securities Co. Ltd. acquired 10.5% stake in Global Standard Technology Co., Ltd from Duk-Joon Kim and Byoung-Gyu Kim for approximately KRW 4 billion.

Global Standard Technology, Limited is a Korea-based company engaged in the manufacture of gas scrubber mainly used in semiconductor industry. The Company's product portfolio consists of burn wet scrubbers, thermal wet scrubbers, plasma scrubbers and others, which are used in the treatment of environmentally hazardous gases. It also provides chillers used for etching and chemical vapor deposition (CVD) fields, heat exchangers used for etching, CVD and liquid crystal display (LCD) fields, chemical circulators used for photo, light-emitting diode (LED) and other fields, as well as thermostats used for photo, etching, metal organic chemical vapor deposition (MOCVD) and gas bubbler fields. The Company distributes its products within domestic market and to overseas markets.