| | Date | Price | High | Low | Volume | | 5/21/2013 | 4.90 | 4.98 | 4.82 | 743,005 | | 5/20/2013 | 4.84 | 4.88 | 4.71 | 879,437 | | 5/17/2013 | 4.86 | 5.06 | 4.85 | 1,105,172 | | 5/16/2013 | 4.83 | 5.09 | 4.80 | 1,252,745 | | 5/15/2013 | 5.07 | 5.21 | 4.85 | 2,215,616 | | 5/14/2013 | 4.85 | 4.90 | 4.58 | 1,121,194 | | 5/13/2013 | 4.58 | 4.65 | 4.45 | 865,208 | | 5/10/2013 | 4.53 | 4.58 | 4.40 | 789,046 | | 5/9/2013 | 4.39 | 4.61 | 4.20 | 1,348,421 | | 5/8/2013 | 4.36 | 4.40 | 4.10 | 1,027,525 | | 5/7/2013 | 4.18 | 4.44 | 4.10 | 1,633,648 | | 5/6/2013 | 4.43 | 4.43 | 4.05 | 1,394,776 | | 5/3/2013 | 4.04 | 4.48 | 4.02 | 2,044,322 | | 5/2/2013 | 4.08 | 4.12 | 3.78 | 1,745,605 | | 5/1/2013 | 3.77 | 3.97 | 3.72 | 1,557,994 | | 4/30/2013 | 3.86 | 3.89 | 3.62 | 1,477,907 | | 4/29/2013 | 3.58 | 3.74 | 3.53 | 1,083,206 | | 4/26/2013 | 3.50 | 3.59 | 3.46 | 597,511 | | 4/25/2013 | 3.59 | 3.65 | 3.43 | 1,074,754 | | 4/24/2013 | 3.43 | 3.54 | 3.38 | 522,555 | | 4/23/2013 | 3.53 | 3.60 | 3.38 | 799,995 |
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