UMC [UNITED MICROELECTRONICS] 6-K: www.umc.com Description 99.1 Announcement on 2017/10/11: Represent subsidiary
[www.umc.com Description 99.1 Announcement on 2017/10/11: Represent subsidiary United Semiconductor (Xiamen) Co., Ltd. to announce related materials on acquisition of machinery and equipment 99.2 Announcement on 2017/10/18: UMC will convene Q3 2017 Investor Conference 99.3 Announcement on 2017/10/25:]