UMC [UNITED MICROELECTRONICS] 6-K: (Original Filing)
[www.umc.com Description 99.1 Announcement on 2019/07/09: To announce the registration of capital reduction due to the retirement of certain treasury stocks 99.2 Announcement on 2019/07/11: UMC will convene Q2 2019 Investor Conference 99.3 Announcement on 2019/07/22: To clarify news reported by UDN.C]