| Filed On | Filing |
|---|---|
| 11 May 2010 | WILLBROS GROUP INC. |
| 21 Jan 2010 | SC 13G |
| 31 Aug 2009 | WILLBROS GROUP INC. |
| 01 May 2009 | SC 13G |
| 23 May 2008 | INITIAL FILING |
| 14 Feb 2008 | SCHEDULE 13G |
| 14 Feb 2008 | SC 13G |
| 13 Feb 2008 | WILLBROS GROUP |
| 22 May 2007 | WILLBROS GROUP INC. |
| 14 Feb 2007 | WILLBROS GROUP, INC. ANNUAL FILING |
| 19 Jan 2007 | WILLBROS GROUP, INC. |
| 15 Feb 2006 | SCHEDULE 13G |
| 14 Feb 2006 | BENEFICIAL OWNERSHIP OF 5% OR MORE |
| 14 Feb 2006 | SCHEDULE 13G |
| 27 Jan 2006 | GLG PARTNERS - WILLBROS GROUP, INC. |
| 30 Dec 2005 | CNH - WILLISBROS GROUP INC |
| 14 Feb 2005 | DOC ONE |
| 11 Feb 2005 | SCHEDULE 13G |
| 21 Jan 2005 | SCHEDULE 13G |
| 17 Feb 2004 | WILLBROS GROUP, INC. |
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