
| DATE | OPEN | HIGH | LOW | CLOSE | VOLUME | 
|---|---|---|---|---|---|
| December 30 2011    | $16.89    | $17.02    | $16.76    | $16.76    | 21,710,080    | 
| December 29 2011    | $16.84    | $16.99    | $16.78    | $16.97    | 22,319,340    | 
| December 28 2011    | $16.95    | $16.97    | $16.71    | $16.74    | 23,706,760    | 
| December 27 2011    | $16.90    | $17.07    | $16.86    | $16.97    | 24,136,141    | 
| December 23 2011    | $16.68    | $16.86    | $16.62    | $16.86    | 24,834,061    | 
| December 22 2011    | $16.47    | $16.66    | $16.42    | $16.60    | 32,003,490    | 
| December 21 2011    | $16.55    | $16.65    | $16.19    | $16.37    | 45,222,793    | 
| December 20 2011    | $16.24    | $16.57    | $16.20    | $16.48    | 46,309,809    | 
| December 19 2011    | $16.17    | $16.23    | $15.93    | $15.96    | 42,252,801    | 
| December 16 2011    | $16.22    | $16.51    | $16.05    | $16.06    | 94,569,797    | 
| December 15 2011    | $16.30    | $16.36    | $16.07    | $16.11    | 38,693,672    | 
| December 14 2011    | $16.23    | $16.28    | $15.99    | $16.11    | 56,394,301    | 
| December 13 2011    | $16.62    | $16.63    | $16.19    | $16.28    | 78,518,945    | 
| December 12 2011    | $16.71    | $16.79    | $16.32    | $16.59    | 94,839,539    | 
| December 09 2011    | $16.87    | $17.35    | $16.85    | $17.29    | 44,073,141    | 
| December 08 2011    | $17.59    | $17.65    | $17.02    | $17.08    | 58,000,594    | 
| December 07 2011    | $17.51    | $17.82    | $17.37    | $17.74    | 54,795,340    | 
| December 06 2011    | $17.34    | $17.61    | $17.28    | $17.52    | 49,517,910    | 
| December 05 2011    | $17.30    | $17.42    | $17.13    | $17.29    | 42,526,793    | 
| December 02 2011    | $17.29    | $17.37    | $17.00    | $17.03    | 41,488,930    | 
| December 01 2011    | $17.19    | $17.26    | $16.86    | $17.22    | 51,820,367    | 
| November 30 2011    | $16.78    | $17.24    | $16.75    | $17.22    | 73,452,312    | 
| November 29 2011    | $16.24    | $16.52    | $16.19    | $16.30    | 44,195,102    | 
| November 28 2011    | $16.09    | $16.29    | $16.07    | $16.21    | 39,757,301    | 
| November 25 2011    | $15.59    | $16.05    | $15.56    | $15.71    | 28,346,830    |