[www.umc.com Description 99.1 Announcement on 2020/01/06: The Change of Deputy Spokesperson 99.2 Announcement on 2020/01/21: To announce related materials on acquisition of machinery and equipment 99.3 Announcement on 2020/01/21: UMC will convene Q4 2019 Investor Conference 99.4 Announcement on 2020/]
[www.umc.com Description 99.1 Announcement on 2020/01/06: The Change of Deputy Spokesperson 99.2 Announcement on 2020/01/21: To announce related materials on acquisition of machinery and equipment 99.3 Announcement on 2020/01/21: UMC will convene Q4 2019 Investor Conference 99.4 Announcement on 2020/]
[(Name of Issuer) Common Stock (Title of Class of Securities) 34380C102 (CUSIP Number) December 31, 2019 (Date of Event Which Requires Filing of this Statement) [ ] Rule 13d-1(b) [X] Rule 13d-1(c) [ ] Rule 13d-1(d) * CUSIP No. 34380C102 1. NAMES OF REPORTING PERSONS 2. CHECK THE APPROPRIATE BOX IF A ]
[(Name of Issuer) Common Stock (Title of Class of Securities) 34380C102 (CUSIP Number) December 31, 2019 (Date of Event Which Requires Filing of this Statement) [ ] Rule 13d-1(b) [X] Rule 13d-1(c) [ ] Rule 13d-1(d) * CUSIP No. 34380C102 1. NAMES OF REPORTING PERSONS 2. CHECK THE APPROPRIATE BOX IF A ]
