[www.umc.com Description 99.1 Announcement on 2018/03/08: UMC will attend investor conferences on 2018/03/14 99.2 Announcement on 2018/03/20: To announce accumulative shares repurchased exceeding NTD$300 million in value 99.3 Announcement on 2018/03/09: February Revenue 99.4 Announcement on 2018/03/0]
[www.umc.com Description 99.1 Announcement on 2018/03/08: UMC will attend investor conferences on 2018/03/14 99.2 Announcement on 2018/03/20: To announce accumulative shares repurchased exceeding NTD$300 million in value 99.3 Announcement on 2018/03/09: February Revenue 99.4 Announcement on 2018/03/0]
[www.umc.com Description 99.1 Announcement on 2018/03/07: Important Resolutions from 13th term 18th Board Meeting 99.2 Announcement on 2018/03/07: Board Meeting Resolution on dividend distribution 99.3 Announcement on 2018/03/07: Announcing termination of private equity offering which was approved by]
[www.umc.com Description 99.1 Announcement on 2018/03/07: Important Resolutions from 13th term 18th Board Meeting 99.2 Announcement on 2018/03/07: Board Meeting Resolution on dividend distribution 99.3 Announcement on 2018/03/07: Announcing termination of private equity offering which was approved by]
[www.umc.com Description 99.1 Announcement on 2018/02/26: Represent subsidiary He Jian Technology (SuZhou) Co., Ltd. to announce related materials on acquisition of machinery and equipment 99.2 Announcement on 2018/02/09: January Revenue 99.3 Announcement on 2018/02/09: the trading and pledge of UMC ]
[www.umc.com Description 99.1 Announcement on 2018/02/26: Represent subsidiary He Jian Technology (SuZhou) Co., Ltd. to announce related materials on acquisition of machinery and equipment 99.2 Announcement on 2018/02/09: January Revenue 99.3 Announcement on 2018/02/09: the trading and pledge of UMC ]
[Item 1: Reporting Person - FMR LLC Item 2: (a) [ ] (b) [ ] Item 4: Delaware Item 5: 140,720,285 Item 6: 0 Item 7: 732,961,330 Item 8: 0 Item 9: 732,961,330 Item 11: 5.805% Item 12: HC Cusip #Y92370108 Item 1: Reporting Person - Abigail P. Johnson Item 2: (a) [ ] (b) [ ] Item 5: 0]
[Item 1: Reporting Person - FMR LLC Item 2: (a) [ ] (b) [ ] Item 4: Delaware Item 5: 140,720,285 Item 6: 0 Item 7: 732,961,330 Item 8: 0 Item 9: 732,961,330 Item 11: 5.805% Item 12: HC Cusip #Y92370108 Item 1: Reporting Person - Abigail P. Johnson Item 2: (a) [ ] (b) [ ] Item 5: 0]
[for a reporting person's initial filing on this form with respect to the subject class of securities, and for any subsequent amendment containing information which would alter the disclosures provided in a prior cover page. The information required in the remainder of this cover page shall not be de]
[for a reporting person's initial filing on this form with respect to the subject class of securities, and for any subsequent amendment containing information which would alter the disclosures provided in a prior cover page. The information required in the remainder of this cover page shall not be de]
