UMC [UNITED MICROELECTRONICS] 6-K: www.umc.com Description 99.1 Announcement on 2019/06/19: The Board
[www.umc.com Description 99.1 Announcement on 2019/06/19: The Board of Directors resolved to adjust cash dividend ratio 99.2 Announcement on 2019/06/19: The Company announced the record date for cash dividend 99.3 Announcement on 2019/06/19: Board Meeting Resolution on cancellation of treasury shares]