| DATE | OPEN | HIGH | LOW | CLOSE | VOLUME | 
|---|---|---|---|---|---|
| December 31 2007    | $75.58    | $76.53    | $70.45    | $71.59    | 1,296,894    | 
| December 28 2007    | $78.23    | $78.24    | $74.68    | $76.37    | 2,396,988    | 
| December 27 2007    | $70.40    | $78.65    | $69.77    | $72.97    | 4,766,016    | 
| December 26 2007    | $58.95    | $70.70    | $58.58    | $70.59    | 2,042,699    | 
| December 24 2007    | $58.82    | $59.85    | $57.34    | $58.53    | 366,072    | 
| December 21 2007    | $59.89    | $60.08    | $57.42    | $58.20    | 611,367    | 
| December 20 2007    | $59.10    | $59.96    | $56.80    | $58.60    | 657,018    | 
| December 19 2007    | $57.41    | $58.56    | $56.16    | $58.04    | 722,260    | 
| December 18 2007    | $60.03    | $60.46    | $54.61    | $57.83    | 1,602,551    | 
| December 17 2007    | $64.59    | $64.59    | $56.59    | $58.47    | 2,905,477    | 
| December 14 2007    | $57.66    | $63.43    | $55.74    | $59.64    | 6,194,620    | 
| December 13 2007    | $49.04    | $53.03    | $48.43    | $51.97    | 409,172    | 
| December 12 2007    | $47.36    | $52.25    | $47.12    | $49.23    | 649,786    | 
| December 11 2007    | $48.14    | $48.45    | $45.57    | $46.02    | 657,457    | 
| December 10 2007    | $42.73    | $48.92    | $42.64    | $48.42    | 857,523    | 
| December 07 2007    | $42.93    | $43.52    | $42.01    | $42.41    | 109,551    | 
| December 06 2007    | $42.87    | $43.12    | $41.92    | $42.67    | 259,662    | 
| December 05 2007    | $43.46    | $44.19    | $42.22    | $42.87    | 254,458    | 
| December 04 2007    | $44.21    | $44.21    | $41.48    | $42.02    | 337,879    | 
| December 03 2007    | $42.74    | $44.42    | $42.67    | $43.32    | 525,945    | 
| November 30 2007    | $42.15    | $42.41    | $40.94    | $41.10    | 191,763    | 
| November 29 2007    | $42.15    | $42.64    | $40.84    | $41.67    | 96,860    | 
| November 28 2007    | $39.97    | $42.26    | $39.35    | $42.26    | 277,379    | 
| November 27 2007    | $40.43    | $40.99    | $39.73    | $39.85    | 156,441    | 
| November 26 2007    | $41.26    | $41.77    | $39.73    | $39.89    | 126,721    |