| DATE | OPEN | HIGH | LOW | CLOSE | VOLUME | 
|---|---|---|---|---|---|
| December 31 2012    | $13.85    | $14.44    | $13.78    | $14.39    | 1,362,400    | 
| December 28 2012    | $13.66    | $14.04    | $13.63    | $13.87    | 1,487,700    | 
| December 27 2012    | $13.80    | $13.80    | $13.34    | $13.74    | 1,317,100    | 
| December 26 2012    | $13.75    | $13.80    | $13.56    | $13.70    | 1,338,000    | 
| December 24 2012    | $13.75    | $13.90    | $13.56    | $13.66    | 598,100    | 
| December 21 2012    | $13.50    | $13.78    | $13.31    | $13.75    | 2,274,700    | 
| December 20 2012    | $13.88    | $13.92    | $13.53    | $13.69    | 1,649,500    | 
| December 19 2012    | $14.34    | $14.36    | $13.90    | $13.90    | 1,236,800    | 
| December 18 2012    | $13.84    | $14.28    | $13.81    | $14.25    | 1,577,100    | 
| December 17 2012    | $13.58    | $13.78    | $13.53    | $13.77    | 839,400    | 
| December 14 2012    | $13.83    | $13.97    | $13.44    | $13.54    | 1,651,400    | 
| December 13 2012    | $14.13    | $14.29    | $13.75    | $13.90    | 1,527,900    | 
| December 12 2012    | $14.44    | $14.48    | $14.08    | $14.08    | 1,886,200    | 
| December 11 2012    | $13.98    | $14.47    | $13.84    | $14.33    | 3,745,800    | 
| December 10 2012    | $13.64    | $14.08    | $13.63    | $13.79    | 2,492,800    | 
| December 07 2012    | $13.73    | $13.95    | $13.48    | $13.65    | 1,429,400    | 
| December 06 2012    | $13.42    | $13.68    | $13.25    | $13.64    | 1,443,800    | 
| December 05 2012    | $13.28    | $13.39    | $13.04    | $13.30    | 1,199,800    | 
| December 04 2012    | $13.20    | $13.38    | $13.08    | $13.28    | 1,038,000    | 
| December 03 2012    | $13.44    | $13.61    | $13.15    | $13.22    | 1,468,500    | 
| November 30 2012    | $13.64    | $13.73    | $13.20    | $13.35    | 1,663,500    | 
| November 29 2012    | $13.75    | $13.97    | $13.56    | $13.65    | 1,840,400    | 
| November 28 2012    | $13.51    | $13.72    | $13.35    | $13.64    | 2,256,100    | 
| November 27 2012    | $12.95    | $13.74    | $12.85    | $13.49    | 6,830,700    | 
| November 26 2012    | $12.40    | $12.51    | $12.20    | $12.35    | 1,907,900    |