UMC [UNITED MICROELECTRONICS] 6-K: www.umc.com Description 99.1 Announcement on 2019/04/26: To clarify
[www.umc.com Description 99.1 Announcement on 2019/04/26: To clarify news reported by United Evening News on April 25, 2019 99.2 Announcement on 2019/05/02: To announce accumulative shares repurchased exceeding NTD$300 million in value 99.3 Announcement on 2018/05/08: To announce accumulative shares ]