| Filed On | Filing |
|---|---|
| 27 Aug 2004 | WILLBROS GROUP, INC. - REG. NO. 333-115963 |
| 17 Dec 2002 | WILLBROS GROUP, INC.- AMENDMENT NO.1 333-101448 |
| 08 May 2002 | WILLBROS GROUP INC - AMENDMENT NO.4 REG 333-83150 |
| 26 Apr 2002 | WILLBROS GROUP INC - AMENDMENT NO.3 REG 333-83150 |
| 22 Apr 2002 | WILLBROS GROUP, INC. - AMEND. #2 TO 333-83150 |
| 03 Apr 2002 | WILLBROS GROUP, INC. - AMEND. #1 TO 333-83150 |
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