| DATE | OPEN | HIGH | LOW | CLOSE | VOLUME | 
|---|---|---|---|---|---|
| December 31 2007    | $16.23    | $16.46    | $16.21    | $16.25    | 23,317,119    | 
| December 28 2007    | $16.53    | $16.62    | $16.25    | $16.31    | 34,954,680    | 
| December 27 2007    | $16.68    | $16.72    | $16.32    | $16.36    | 29,575,930    | 
| December 26 2007    | $16.58    | $16.75    | $16.54    | $16.73    | 21,277,410    | 
| December 24 2007    | $16.35    | $16.69    | $16.31    | $16.65    | 22,486,350    | 
| December 21 2007    | $16.31    | $16.44    | $16.20    | $16.44    | 58,620,594    | 
| December 20 2007    | $16.17    | $16.17    | $15.86    | $16.10    | 40,068,566    | 
| December 19 2007    | $15.76    | $16.00    | $15.74    | $15.97    | 33,544,871    | 
| December 18 2007    | $15.80    | $15.94    | $15.60    | $15.79    | 44,699,281    | 
| December 17 2007    | $15.99    | $16.02    | $15.47    | $15.68    | 62,793,898    | 
| December 14 2007    | $16.35    | $16.36    | $15.97    | $16.03    | 68,731,477    | 
| December 13 2007    | $16.45    | $16.76    | $16.34    | $16.56    | 53,458,008    | 
| December 12 2007    | $16.72    | $16.90    | $16.39    | $16.63    | 56,568,832    | 
| December 11 2007    | $16.94    | $16.96    | $16.40    | $16.42    | 67,405,344    | 
| December 10 2007    | $16.80    | $17.00    | $16.61    | $16.93    | 45,457,230    | 
| December 07 2007    | $16.93    | $17.01    | $16.81    | $16.90    | 47,276,102    | 
| December 06 2007    | $16.59    | $17.06    | $16.56    | $17.06    | 60,492,578    | 
| December 05 2007    | $16.39    | $16.74    | $16.39    | $16.59    | 68,479,914    | 
| December 04 2007    | $15.75    | $16.17    | $15.75    | $16.04    | 44,505,352    | 
| December 03 2007    | $15.87    | $16.33    | $15.86    | $16.00    | 56,067,281    | 
| November 30 2007    | $16.25    | $16.25    | $15.68    | $15.90    | 65,494,191    | 
| November 29 2007    | $15.89    | $16.14    | $15.86    | $16.06    | 43,239,070    | 
| November 28 2007    | $15.57    | $16.04    | $15.55    | $15.97    | 59,647,367    | 
| November 27 2007    | $15.09    | $15.34    | $14.93    | $15.31    | 62,879,422    | 
| November 26 2007    | $15.26    | $15.44    | $14.83    | $14.86    | 53,138,230    |