Company:  UNITED MICROELECTRONICS C ... (UMC)
Form Type:  F-6EF
Filing Date:  3/22/2011 
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: 
$2.21  
Change: 
-0.01 (-0.45%)  
Trade Time: 
02:00 PM EST  
Market Cap: 
$5.59B
Description of Business
Register for a Free Trial and access this filing in:     
  FORM F-6EF
    CALCULATION OF REGISTRATION FEE
    PART I
    Item 1. DESCRIPTION OF SECURITIES TO BE REGISTERED
    Item 2. AVAILABLE INFORMATION
    PART II
      Item 3. EXHIBITS
      Item 4. UNDERTAKINGS
    SIGNATURE
    POWERS OF ATTORNEY
    INDEX TO EXHIBITS
  EXHIBIT 99.(A)(2)
  EXHIBIT 99.(D)
  EXHIBIT 99.(E)