[Description 99.1 Announcement on 2013/01/03: To announce related materials on acquisition of machinery and equipment 99.2 Announcement on 2013/01/09: To announce related materials on acquisition of machinery and equipment 99.3 Announcement on 2013/01/10: To announce related materials on disposal of Novatek Corp. securities 99.4 Announcement on 2013/01/14: Represent subsidiary FORTUNE VENTURE CAPITAL CORP. to announce the board of directors approves] [FORM 6-K January 25, 2013 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 01/25/2013 6-K 1 htm_7371.htm LIVE FILING]

[Description 99.1 Announcement on 2012/11/29: To announce related materials on acquisition of machinery and equipment 99.2 Announcement on 2012/11/29: To announce related materials on acquisition of machinery and equipment 99.3 Announcement on 2012/12/05: To announce related materials on acquisition of machinery and equipment 99.4 Announcement on 2012/12/05: To announce related materials on acquisition of machinery and equipment 99.5 Announcement on] [FORM 6-K December 26, 2012 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 12/26/2012 6-K 1 htm_7306.htm LIVE FILING]

[Description 99.1 Announcement on 2012/10/30: To announce related materials on acquisition of machinery and equipment 99.2 Announcement on 2012/10/31: UMC announced its unconsolidated operating results for the third quarter of 2012 99.3 Announcement on 2012/10/31: To announce related materials on disposal of common shares of PARADE TECHNOLOGIES LTD. on behalf of UMC Capital Corporation 99.4 Announcement on 2012/11/07: To announce] [FORM 6-K November 19, 2012 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 11/19/2012 6-K 1 htm_7197.htm LIVE FILING]

[UNITED MICROELECTRONICS CORPORATION AND SUBSIDIARIES CONSOLIDATED FINANCIAL STATEMENTS FOR THE NINE-MONTH PERIODS ENDED SEPTEMBER 30, 2012 AND 2011 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 November 5, 2012 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 umcfs3q12_6k.htm CONSOLIDATED FINANCIAL STATEMENTS 3Q12]

[Description 99.1 Announcement on 2012/09/26: To announce related materials on acquisition of machinery and equipment 99.2 Announcement on 2012/10/05: Represent subsidiary NexPower Technology CORP. to announce the impairment of assets by applying ROC SFAS No. 35 99.3 Announcement on 2012/10/16: To announce related materials on disposal of KING YUAN ELECTRONICS CO., LTD. 99.4 Announcement on 2012/10/17: UMC will convene 3Q] [FORM 6-K October 25, 2012 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 10/25/2012 6-K 1 htm_7134.htm LIVE FILING]