UMC [UNITED MICROELECTRONICS] 6-K: (Original Filing)
[www.umc.com Description 99.1 Announcement on 2020/06/10: To announce accumulative shares repurchased exceeding NTD$300 million in value 99.2 Announcement on 2020/06/15: To announce accumulative shares repurchased exceeding NTD$300 million in value 99.3 Announcement on 2020/06/16: Represent subsidiar]