| Common Stock | | Announce Date | Offering Type | Status | Private Placement? | Share Price ($) | Shares Offered | Offering Size ($000) | | 8/12/2011 | Shelf Registration | Pending 8/12/2011 | No | - | 12,133,220 | - | | | Common stock, $0.01 par value | | 6/29/2011 | Follow-On | Priced 6/29/2011 | No | 25.6620 | 4,600,000 | 118,045 | | | Common stock, $0.01 par value | | 8/10/2009 | Follow-On | Priced 8/11/2009 | No | 35.5000 | 3,450,000 | 122,475 | | | Common stock, $0.01 par value | | 4/9/2009 | Follow-On | Priced 5/7/2009 | No | 29.2330 | 4,867,442 | 142,290 | | | Common stock, $0.01 par value | | 8/31/2005 | Private Placement - Common Stock | Priced 8/31/2005 | Yes | 27.0900 | 3,000,000 | 81,270 | | | Common stock, $0.01 par value | | 12/8/2003 | Follow-On | Priced 12/10/2003 | No | 40.5000 | 2,645,000 | 107,123 | | | Common stock, $0.01 par value | | 9/4/2002 | Follow-On | Priced 9/4/2002 | No | 29.2500 | 1,000,000 | 29,250 | | | Common stock, $0.01 par value |
| | Note: Capital Offerings information is comprehensive for securities issued on or after January 1, 2000. |
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