UMC [UNITED MICROELECTRONICS] 6-K: (Original Filing)
[www.umc.com Description 99.1 Announcement on 2018/11/30: To announce accumulative shares repurchased exceeding NTD$300 million in value 99.2 Announcement on 2018/12/06: To announce accumulative shares repurchased exceeding NTD$300 million in value 99.3 Announcement on 2018/12/11: To announce accumul]