| Form Type | Company Name | Received |
|
20-F
| ECOPETROL S.A. |
7/15/2011
|
|
20-F
| ECOPETROL S.A. |
7/15/2010
|
|
F-3ASR
| ECOPETROL S.A. |
2/12/2010
|
|
F-4/A
| ECOPETROL S.A. |
8/31/2009
|
|
F-4
| ECOPETROL S.A. |
7/31/2009
|
|
20-F/A
| ECOPETROL S.A. |
6/30/2009
|
|
20-F
| ECOPETROL S.A. |
6/30/2009
|
|
F-6
| ECOPETROL S.A. |
9/12/2008
|
|
20FR12B
| ECOPETROL S.A. |
9/12/2008
|
|