[www.umc.com Description 99.1 Announcement on 2017/02/16: Represent subsidiary United Semiconductor (Xiamen) Co., Ltd.to announce related materials on acquisition of machinery and equipment 99.2 Announcement on 2017/02/22: To represent subsidiary Fortune Venture Capital Corp. announce the merger with]

[www.umc.com Description 99.1 Announcement on 2017/02/22: Important Resolutions from 13th term 12th Board Meeting 99.2 Announcement on 2017/02/22: Board Meeting Resolution on dividend distribution 99.3 Announcement on 2017/02/22: Announcing termination of private equity offering which was approved by]

[www.umc.com Description 99.1 Announcement on 2017/01/06: Represent subsidiary TLC Capital Co., Ltd to announce the impairment of financial assets by applying IAS No.39 99.2 Announcement on 2017/01/16: UMC will convene Q4 2016 Investor Conference 99.3 Announcement on 2017/01/23: To announce operating]

[www.umc.com Description 99.1 Announcement on 2017/01/02: Announced resignation of the Company’s independent director 99.2 Announcement on 2017/01/02: Announced resignation of the Company’s Audit Committee member and convener 99.3 Announcement on 2017/01/02: Announced resignation of the Company’s Rem]

[www.umc.com Description 99.1 Announcement on 2016/12/01: To announce related materials on disposal of common shares of SuperAlloy Industrial Co.,Ltd. on behalf of TLC Capital Co., Ltd.. 99.2 Announcement on 2016/12/12: To announce related materials on acquisition of machinery and equipment 99.3 Anno]