[Description 99.1 Announcement on 2013/08/26: To announce UMC will attend investor conferences on 2013/08/29 99.2 Announcement on 2013/08/27: To announce related materials related materials on disposal of Industrial Bank of Taiwan securities 99.3 Announcement on 2013/09/06: To announce UMC will attend investor conferences on 2013/09/12 99.4 Announcement on 2013/09/16: To announce related materials on acquisition of machinery and equipment 99.5] [FORM 6-K September 25, 2013 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 09/25/2013 6-K 1 htm_8004.htm LIVE FILING]

[UNITED MICROELECTRONICS CORPORATION AND SUBSIDIARIES CONSOLIDATED FINANCIAL STATEMENTS FOR THE SIX-MONTH PERIODS ENDED JUNE 30, 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] [FORM 6-K September 3, 2013 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 umcfs2q13_6k.htm CONSOLIDATED FINANCIAL STATEMENTS 2Q13]

[Description 99.1 Announcement on 2013/08/02: To announce UMC will convene 2Q2013 investor conferences on 2013/08/07 99.2 Announcement on 2013/08/06: To announce related materials on acquisition of machinery and equipment 99.3 Announcement on 2013/08/07: To announce unconsolidated operating results for the second quarter of 2013 99.4 Announcement on 2013/08/16: To announce related materials on disposal of common shares of PARADE TECHNOLOGIES] [FORM 6-K August 26, 2013 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 08/26/2013 6-K 1 htm_7942.htm LIVE FILING]

[Description 99.1 Announcement on 2013/06/25: To announce UMC will attend investor conferences on 2013/06/27 99.2 Announcement on 2013/06/27: To announce related materials on acquisition of machinery and equipment 99.3 Announcement on 2013/07/04: To announce related materials on acquisition of machinery and equipment 99.4 Announcement on 2013/07/10: To announce related materials on acquisition of machinery and equipment 99.5 Announcement on 2013/07/23:] [FORM 6-K July 25, 2013 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 07/25/2013 6-K 1 htm_7861.htm LIVE FILING]

[Description 99.1 Announcement on 2013/06/11: To announce related materials on acquisition of machinery and equipment 99.2 Announcement on 2013/06/11: To announce related materials on acquisition of machinery and equipment 99.3 Announcement on 2013/06/11: Important resolutions from UMC 2013 Annual General Meeting 99.4 Announcement on 2013/06/11: UMC 2013 Annual General Meeting has approved to release the Director from non-competition restrictions 99.5] [FORM 6-K June 25, 2013 United Microelectronics Corporation ——————————————————————————————————— No. 3 Li Hsin Road II ——————————————————————————————————— x x n/a United Microelectronics Corporation Chitung Liu Chitung Liu CFO Description 99 UMC6K_20130625 6-K 1 htm_7818.htm LIVE FILING]

[Description 99.1 Announcement on 2013/06/13: UMC joins IBM chip alliance for 10nm process development 1 UMC joins IBM chip alliance for 10nm process development 1.Date of occurrence of the event:2013/06/13 In accordance with the agreement. 7.Effect on company finances and business (not applicable where rescinded): Improving company finances and business. 8.Concrete purpose/objective (not applicable where rescinded): UMC joins IBM chip] [FORM 6-K June 13, 2013 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 2013/06/13 6-K 1 htm_7763.htm LIVE FILING]