| DATE | OPEN | HIGH | LOW | CLOSE | VOLUME | 
|---|---|---|---|---|---|
| December 31 2010    | $14.83    | $14.87    | $14.71    | $14.76    | 61,598,733    | 
| December 30 2010    | $14.86    | $14.94    | $14.85    | $14.88    | 39,540,885    | 
| December 29 2010    | $14.96    | $14.97    | $14.88    | $14.94    | 40,753,471    | 
| December 28 2010    | $14.96    | $15.01    | $14.86    | $14.88    | 42,548,653    | 
| December 27 2010    | $14.98    | $15.01    | $14.90    | $14.97    | 48,278,387    | 
| December 23 2010    | $15.04    | $15.06    | $14.96    | $15.02    | 44,404,697    | 
| December 22 2010    | $15.01    | $15.09    | $14.99    | $15.05    | 48,270,435    | 
| December 21 2010    | $14.88    | $15.03    | $14.85    | $14.99    | 75,194,732    | 
| December 20 2010    | $14.78    | $14.86    | $14.63    | $14.79    | 78,873,451    | 
| December 17 2010    | $14.69    | $14.73    | $14.61    | $14.68    | 123,453,618    | 
| December 16 2010    | $14.73    | $14.76    | $14.62    | $14.71    | 63,811,031    | 
| December 15 2010    | $14.77    | $14.82    | $14.64    | $14.67    | 86,641,372    | 
| December 14 2010    | $14.84    | $14.87    | $14.72    | $14.79    | 65,666,555    | 
| December 13 2010    | $14.84    | $14.99    | $14.76    | $14.78    | 96,044,709    | 
| December 10 2010    | $14.74    | $14.76    | $14.67    | $14.72    | 68,138,882    | 
| December 09 2010    | $14.76    | $14.80    | $14.64    | $14.70    | 74,686,584    | 
| December 08 2010    | $14.71    | $14.73    | $14.51    | $14.68    | 70,217,070    | 
| December 07 2010    | $14.69    | $14.74    | $14.56    | $14.59    | 121,797,221    | 
| December 06 2010    | $14.43    | $14.46    | $14.33    | $14.37    | 83,739,900    | 
| December 03 2010    | $14.15    | $14.33    | $14.12    | $14.24    | 105,223,225    | 
| December 02 2010    | $14.13    | $14.25    | $14.05    | $14.21    | 101,924,218    | 
| December 01 2010    | $13.99    | $14.21    | $13.98    | $14.03    | 150,158,967    | 
| November 30 2010    | $14.27    | $14.27    | $13.75    | $13.81    | 284,417,166    | 
| November 29 2010    | $14.64    | $14.66    | $14.41    | $14.47    | 114,287,450    | 
| November 26 2010    | $14.67    | $14.74    | $14.59    | $14.66    | 52,390,806    |