[UNITED MICROELECTRONICS CORPORATION AND SUBSIDIARIES CONSOLIDATED FINANCIAL STATEMENTS FOR THE YEARS ENDED DECEMBER 31, 2014 AND 2013 Address: No. 3 Li-Hsin Road II, Hsinchu Science Park, Hsinchu City, Taiwan, R.O.C. Telephone: 886-3-578-2258 The reader is advised that these consolidated financial statements have been prepared originally in Chinese. In the event of a conflict between these financial statements and the original] [United Microelectronics Corporation Chitung Liu Chief Financial Officer 6-K 1 d896581d6k.htm FORM 6-K]

[Description 99.1 Announcement on 2015/03/18: Important Resolutions from 12th term 23th Board Meeting 99.2 Announcement on 2015/03/18: Board Meeting Resolution on Earnings Distribution 99.3 Announcement on 2015/03/18: Announcing termination of private equity offering which was approved by 2014 shareholders’ meeting 99.4 Announcement on 2015/03/18: UMC Board Meeting has resolved the proposal for private placement based on future operation needs 99.5] [FORM 6-K March 20, 2015 United Microelectronics Corporation ——————————————————————————————————— No. 3 Li Hsin Road II ——————————————————————————————————— x x n/a United Microelectronics Corporation Chitung Liu Chitung Liu CFO Description 99 6K on 03/20/2015 6-K 1 htm_9326.htm LIVE FILING]

[Description 99.1 Announcement on 2015/01/27: Represent subsidiary HEJIAN (SUZHOU) TECHNOLOGY CO., LTD. to announce acquisition of UNITED SEMICONDUCTOR (XIAMEN) CO., LTD. 99.2 Announcement on 2015/01/28: UMC announced its unconsolidated operating results for the fourth quarter of 2014 99.3 Announcement on 2015/02/04: To announce related materials on acquisition of machinery and equipment 99.4 Announcement on 2015/02/04: To announce related materials on] [FORM 6-K March 2, 2015 United Microelectronics Corporation ——————————————————————————————————— No. 3 Li Hsin Road II ——————————————————————————————————— x x n/a United Microelectronics Corporation Chitung Liu Chitung Liu CFO Description 99 6K on 03/02/2015 6-K 1 htm_9264.htm LIVE FILING]

[Description 99.1 Announcement on 2015/01/05: To announce related materials on acquisition of machinery and equipment 99.2 Announcement on 2015/01/06: To announce related materials on acquisition of machinery and equipment 99.3 Announcement on 2015/01/06: To announce related materials on acquisition of machinery and equipment 99.4 Announcement on 2015/01/09: To announce related materials on acquisition of machinery and equipment 99.5 Announcement on] [FORM 6-K January 26, 2015 United Microelectronics Corporation ——————————————————————————————————— No. 3 Li Hsin Road II ——————————————————————————————————— x x n/a United Microelectronics Corporation Chitung Liu Chitung Liu CFO Description 99 6K on 01/26/2015 6-K 1 htm_9163.htm LIVE FILING]