| BlueLine Catalyst Fund IX, L.P. | 10% Owner | Oct 22 '10 | Buy | 8.22 | 1,339 | 11,007 | 1,322,396 | Oct 22 12:00 AM |
| BlueLine Catalyst Fund IX, L.P. | 10% Owner | Oct 21 '10 | Buy | 8.21 | 4,300 | 35,314 | 1,321,057 | Oct 22 12:00 AM |
| BlueLine Catalyst Fund IX, L.P. | 10% Owner | Oct 20 '10 | Buy | 8.20 | 3,528 | 28,930 | 1,316,757 | Oct 22 12:00 AM |
| BlueLine Catalyst Fund IX, L.P. | 10% Owner | Oct 04 '10 | Buy | 8.04 | 3,360 | 27,014 | 1,313,229 | Oct 05 12:00 AM |
| BlueLine Catalyst Fund IX, L.P. | 10% Owner | Oct 01 '10 | Buy | 8.34 | 15,000 | 125,100 | 1,309,869 | Oct 05 12:00 AM |
| BlueLine Capital Partners III, LP | 10% Owner | Sep 30 '10 | Buy | 9.27 | 5,802 | 53,785 | 1,294,869 | Sep 30 12:00 AM |
| BlueLine Capital Partners III, LP | 10% Owner | Sep 28 '10 | Buy | 9.09 | 1,500 | 13,635 | 1,289,067 | Sep 30 12:00 AM |
| BlueLine Capital Partners III, LP | 10% Owner | Sep 27 '10 | Buy | 9.02 | 5,058 | 45,623 | 1,285,567 | Sep 30 12:00 AM |
| BlueLine Catalyst Fund IX, L.P. | 10% Owner | Sep 20 '10 | Buy | 9.03 | 8,454 | 76,340 | 1,282,509 | Sep 22 12:00 AM |
| BlueLine Capital Partners, L.P. | 10% Owner | Sep 16 '10 | Buy | 9.09 | 2,000 | 18,180 | 1,274,055 | Sep 16 12:00 AM |
| BlueLine Capital Partners, L.P. | 10% Owner | Sep 15 '10 | Buy | 9.02 | 5,297 | 47,779 | 1,272,055 | Sep 16 12:00 AM |
| BlueLine Capital Partners, L.P. | 10% Owner | Sep 14 '10 | Buy | 9.08 | 2,800 | 25,426 | 1,266,758 | Sep 16 12:00 AM |
| BlueLine Capital Partners, L.P. | 10% Owner | Sep 13 '10 | Buy | 9.12 | 5,374 | 49,011 | 1,263,958 | Sep 13 12:00 AM |
| BlueLine Capital Partners, L.P. | 10% Owner | Sep 10 '10 | Buy | 9.15 | 6,700 | 61,305 | 1,258,584 | Sep 13 12:00 AM |
| BlueLine Capital Partners, L.P. | 10% Owner | Sep 03 '10 | Buy | 9.10 | 800 | 7,280 | 1,251,884 | Sep 13 12:00 AM |