[Description 99.1 Announcement on 2014/04/30: Important Resolutions from 12th term 16th Board Meeting 99.2 Announcement on 2014/04/30: The Board of Directors resolved the issuance of unsecured straight corporate bonds 99.3 Announcement on 2014/04/30: UMC announced its unconsolidated operating results for the first quarter of 2014 99.4 Announcement on 2014/05/07: To announce related materials on acquisition of machinery and equipment 99.5] [FORM 6-K May 27, 2014 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 05/27/2014 6-K 1 htm_8617.htm LIVE FILING]

[UNITED MICROELECTRONICS CORPORATION AND SUBSIDIARIES CONSOLIDATED FINANCIAL STATEMENTS FOR THE THREE-MONTH PERIODS ENDED MARCH 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] [FORM 6-K May 20, 2014 United Microelectronics Corporation ——————————————————————————————————— No. 3 Li Hsin Road II ——————————————————————————————————— x x n/a United Microelectronics Corporation Chitung Liu Chitung Liu Chief Financial Officer 6-K 1 umc_fs1q14-6k.htm CONSOLIDATED FINANCIAL STATEMENTS]

[Description 99.1 Announcement on 2014/03/31: To announce related materials on acquisition of machinery and equipment 99.2 Announcement on 2014/04/18: To announce the differences for 2013 consolidated financial statements between TIFRSs and IFRSs as issued by the IASB. 99.3 Announcement on 2014/04/23: UMC will convene 1Q 2014 Investor Conference 99.4 Announcement on 2014/04/23: Represent subsidiary Tera Energy Development Co., Ltd. and] [FORM 6-K April 25, 2014 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 04/25 6-K 1 htm_8524.htm LIVE FILING]

[Description 99.1 Announcement on 2013/04/16: The Board of Directors resolved to amend the proposal of cash distribution 99.2 Announcement on 2013/04/16: The announcement of UMC Board of Director’s Resolution to convene the Annual General Meeting (additional motion) 1 The Board of Directors resolved to amend the proposal of cash distribution 1.Date of the resolution of the board of directors or] [FORM 6-K April 16, 2014 United Microelectronics Corporation ——————————————————————————————————— No. 3 Li Hsin Road II ——————————————————————————————————— x x n/a United Microelectronics Corporation Chitung Liu Chitung Liu Chief Financial Officer Description 99 6K on 04/16/2014 6-K 1 htm_8511.htm LIVE FILING]

[UNITED MICROELECTRONICS CORPORATION AND SUBSIDIARIES CONSOLIDATED FINANCIAL STATEMENTS FOR THE YEARS ENDED DECEMBER 31, 2013 AND 2012 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] [FORM 6-K March 20, 2014 United Microelectronics Corporation ——————————————————————————————————— No. 3 Li Hsin Road II ——————————————————————————————————— x x n/a United Microelectronics Corporation Chitung Liu Chitung Liu Chief Financial Officer 6-K 1 umcfs4q13_6k.htm CONSOLIDATED FINANCIAL STATEMENTS 2Q13]