| Filed On | Filing |
|---|---|
| 13 Feb 2012 | SC 13G/A |
| 12 Jan 2012 | TRANSATLANTIC HOLDINGS, INC. |
| 14 Feb 2011 | DAVIS SELECTED ADVISERS, L.P. |
| 24 Jan 2011 | SC 13G/A |
| 12 Feb 2010 | SC 13G/A |
| 30 Jul 2009 | SC 13G/A |
| 16 Jun 2009 | SC 13G/A |
| 13 Feb 2009 | SC 13G/A |
| 12 Feb 2008 | SC 13G/A |
| 11 Jan 2007 | SC 13G/A |
| 14 Feb 2006 | SC 13G/A |
| 11 Mar 2005 | SC 13G/A |
| 10 Mar 2005 | SC 13G/A |
| 17 Feb 2005 | SC 13G/A |
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