UMC [UNITED MICROELECTRONICS] 6-K: Description 99.1 Announcement on 2013/04/26: To announce the
[Description 99.1 Announcement on 2013/04/26: To announce the differences for 2012 financial statements between ROC GAAP and US GAAP 99.2 Announcement on 2013/04/29: To announce related materials on acquisition of machinery and equipment 99.3 Announcement on 2013/04/29: To announce accumulative shares repurchased exceeding NTD$300 million in value 99.4 Announcement on 2013/05/02: To announce related materials on acquisition of machinery and] [FORM 6-K May 28, 2013 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 05/27/2013 6-K 1 htm_7710.htm LIVE FILING]
