SG Shinsung Engineering and Construction Co., Ltd. acquired additional 4.5% stake in MK Electron Co., Ltd. (KOSDAQ:A033160) for KRW 10.5 billion on December 11, 2017. Under the terms of the transaction, SG Shinsung Engineering and Construction Co., Ltd. acquired approximately 0.98 million shares at KRW 10,710 per share. As a result of this acquisition, SG Shinsung Engineering and Construction Co., Ltd. increased its holding in MK Electron Co., Ltd. to 5.7%. SG Shinsung Engineering and Construction Co., Ltd. completed the acquisition of additional 4.5% stake in MK Electron Co., Ltd. (KOSDAQ:A033160) on December 11, 2017.