An unknown buyer agreed to acquire 84.35% stake in U-Chang Plant Engineering & Construction Co., Ltd. from Aminologics Co., Ltd. (KOSE:A074430) for KRW 7.7 billion on February 28, 2013. Under the terms of the agreement, unknown buyer agreed to acquire 1.15 million shares of U-Chang Plant Engineering & Construction Co., Ltd. The transaction is expected to close by May 28, 2013. As on May 29, 2013, the transaction is expected to complete on July 31, 2013.