| Filed On | Filing |
|---|---|
| 26 Feb 2009 | 10-K |
| 29 Feb 2008 | FORM 10-K - ANNUAL REPORT |
| 14 Mar 2007 | FORM 10-K FOR THE FISCAL YEAR ENDED DECEMBER 31, 2006 |
| 16 Jun 2006 | FORM 10-K FOR THE YEAR ENDED DECEMBER 31, 2005 |
| 22 Nov 2005 | WILLBROS GROUP, INC.- DECEMBER 31, 2004 |
| 12 Mar 2004 | WILLBROS GROUP, INC. - 12/31/2003 |
| 24 Mar 2003 | WILLBROS GROUP, INC.- YEAR ENDED DECEMBER 31, 2002 |
| 20 Feb 2002 | WILLBROS GROUP INC - DECEMBER 31, 2001 |
| 30 Mar 2000 | 10-K |
| 31 Mar 1999 | 10-K |
| 27 Mar 1998 | 10-K |
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