UMC [UNITED MICROELECTRONICS] 6-K: www.umc.com Description 99.1 Announcement on 2018/02/14: January Revenue
[www.umc.com Description 99.1 Announcement on 2018/02/14: January Revenue 99.2 Announcement on 2018/02/14: the trading and pledge of UMC common shares by directors, executive officers and 10% shareholders of UMC 1 United Microelectronics Corporation February 14, 2019 This is to report the changes or ]