Company:  UNITED MICROELECTRONICS C ... (UMC)
Form Type:  6-K
Filing Date:  4/26/2011 
CIK:  0001033767 
Address:  978 HIGHLANDS CIRCLE 
City, State, Zip:  LOS ALTOS, California 94024 
Telephone:  (650) 968-8855 
Fiscal Year:  12/31 
Last Trade
Last Trade: 
$2.18  
Change: 
0.03 (1.40%)  
Trade Time: 
May 17  
Market Cap: 
$5.52B
Description of Business
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  FORM 6-K
    SIGNATURES
  EXHIBIT 99