Company:  ECOPETROL S.A. (EC)
Form Type:  6-K
Filing Date:  12/21/2011 
CIK:  0001444406 
Address:  CARRERA 7 NO 37-69 
City, State, Zip:  BOGOTA,  00000 
Telephone:  (571) 234-5000 
Fiscal Year:  12/31 
Last Trade
Last Trade: 
$44.13  
Change: 
0.86 (1.99%)  
Trade Time: 
May 23  
Market Cap: 
$90.72B
Description of Business
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  FORM 6-K
    SIGNATURE