[Description 99.1 Announcement on 2011/08/02: UMC will convene 2Q 2011 investor conference 99.2 Announcement on 2011/08/03: UMC announced its unconsolidated operating results for the second quarter of 2011 99.3 Announcement on 2011/08/09: July Revenue 99.4 Announcement on 2011/08/15: the trading and pledge of UMC common shares by directors, executive officers and 10% shareholders of UMC 1 UMC will convene 2Q] [FORM 6-K August 31, 2011 United Microelectronics Corporation ——————————————————————————————————— No. 3 Li Hsin Road II ——————————————————————————————————— x x n/a United Microelectronics Corporation Chitung Liu Chitung Liu Chief Financial Officer Description 99 6K on 20110831 6-K 1 htm_6098.htm LIVE FILING]