| DATE | OPEN | HIGH | LOW | CLOSE | VOLUME | 
|---|---|---|---|---|---|
| December 31 2010    | $16.15    | $16.19    | $15.74    | $15.94    | 4,571,138    | 
| December 30 2010    | $16.11    | $16.21    | $16.01    | $16.17    | 2,429,572    | 
| December 29 2010    | $15.77    | $16.14    | $15.72    | $16.11    | 4,800,900    | 
| December 28 2010    | $15.69    | $15.78    | $15.60    | $15.72    | 1,687,262    | 
| December 27 2010    | $15.47    | $15.74    | $15.39    | $15.70    | 2,498,388    | 
| December 23 2010    | $15.56    | $15.60    | $15.49    | $15.51    | 1,952,937    | 
| December 22 2010    | $15.50    | $15.72    | $15.45    | $15.55    | 5,998,934    | 
| December 21 2010    | $15.46    | $15.55    | $15.43    | $15.50    | 2,448,943    | 
| December 20 2010    | $15.48    | $15.54    | $15.42    | $15.43    | 3,854,058    | 
| December 17 2010    | $15.46    | $15.50    | $15.39    | $15.48    | 5,274,920    | 
| December 16 2010    | $15.27    | $15.45    | $15.00    | $15.44    | 4,366,839    | 
| December 15 2010    | $15.35    | $15.40    | $15.21    | $15.29    | 4,393,551    | 
| December 14 2010    | $15.35    | $15.44    | $15.23    | $15.37    | 3,670,385    | 
| December 13 2010    | $15.43    | $15.47    | $15.31    | $15.34    | 3,487,791    | 
| December 10 2010    | $15.38    | $15.45    | $15.26    | $15.40    | 3,114,971    | 
| December 09 2010    | $15.37    | $15.55    | $15.27    | $15.33    | 6,852,547    | 
| December 08 2010    | $15.12    | $15.34    | $15.08    | $15.33    | 6,250,939    | 
| December 07 2010    | $15.19    | $15.23    | $14.89    | $15.09    | 6,318,882    | 
| December 06 2010    | $14.75    | $15.03    | $14.63    | $15.02    | 4,729,668    | 
| December 03 2010    | $14.66    | $14.79    | $14.57    | $14.77    | 2,840,194    | 
| December 02 2010    | $14.62    | $14.76    | $14.50    | $14.68    | 3,757,099    | 
| December 01 2010    | $14.66    | $14.84    | $14.56    | $14.65    | 4,001,892    | 
| November 30 2010    | $14.45    | $14.59    | $14.31    | $14.51    | 6,051,554    | 
| November 29 2010    | $14.41    | $14.70    | $14.28    | $14.61    | 4,993,849    | 
| November 26 2010    | $14.52    | $14.67    | $14.42    | $14.61    | 1,463,711    |