Unibest Co,.Ltd. agreed to acquire 5.2% stake in Y-Optics Manufacture Co., Ltd. (KOSDAQ:A066430) for KRW 8.5 billion on June 21, 2018. As part of the transaction, Unibest Co,.Ltd. will acquire 0.6 million shares of Y-Optics Manufacture Co., Ltd. at KRW 14,000 per share.