| Common Stock | | Announce Date | Offering Type | Status | Private Placement? | Share Price ($) | Shares Offered | Offering Size ($000) | | 8/22/2012 | Follow-On | Priced 8/23/2012 | No | 12.8000 | 4,830,000 | 61,824 | | | Common stock, $0.001 par value | | 4/27/2012 | Common Stock - Other | Priced 6/8/2012 | No | - | 426,986 | - | | | Common stock, $0.001 par value | | 4/27/2012 | Common Stock - Other | Priced 6/8/2012 | No | - | 121,156 | - | | | Common stock, $0.001 par value | | 11/22/2011 | Common Stock - Other | Priced 1/11/2012 | No | - | 867,789 | - | | | Common stock, $0.001 par value | | 11/22/2011 | Common Stock - Other | Priced 1/11/2012 | No | - | 453,580 | - | | | Common stock, $0.001 par value | | 7/15/2011 | Common Stock - Other | Priced 10/3/2011 | No | - | 867,789 | - | | | Common stock, $0.001 par value | | 7/15/2011 | Common Stock - Other | Priced 10/3/2011 | No | - | 453,642 | - | | | Common stock, $0.001 par value | | 3/31/2011 | Follow-On | Priced 5/4/2011 | No | 12.0000 | 5,310,000 | 63,720 | | | Common stock, $0.001 par value | | 11/4/2009 | IPO | Priced 8/25/2010 | No | 12.0000 | 2,200,000 | 26,400 | | | Common stock, $0.001 par value |
| | Note: Capital Offerings information is comprehensive for securities issued on or after January 1, 2000. |
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