| Filed On | Filing |
|---|---|
| 13 Feb 2012 | AMENDMENT NO. 1 TO SCHEDULE 13G |
| 10 Feb 2012 | SC 13G/A |
| 15 Feb 2011 | SCHEDULE 13G AMENDMENT NO. 1 |
| 03 Feb 2011 | SC 13G/A |
| 09 Feb 2010 | LEHM09A1 |
| 13 Feb 2009 | SC 13G/A |
| 10 Oct 2008 | DOC ONE |
| 16 Sep 2008 | SC 13G/A3 |
| 25 Aug 2008 | LINN ENERGY, LLC - 13G/A3 |
| 08 Aug 2008 | SC 13G/A |
| 03 Jul 2008 | SC 13G/A |
| 25 Jun 2008 | SC 13G/A |
| 03 Jun 2008 | SC 13G/A |
| 27 Mar 2008 | SC 13G/A |
| 14 Feb 2008 | SC 13G/A |
| 14 Feb 2008 | SC 13G/A |
| 14 Feb 2008 | LEHMAN BROTHERS |
| 13 Feb 2008 | SC 13G/A |
| 13 Feb 2008 | SC 13G/A |
| 13 Feb 2008 | SC 13G/A |
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