| DATE | OPEN | HIGH | LOW | CLOSE | VOLUME | 
|---|---|---|---|---|---|
| December 31 2007    | $116.99    | $116.99    | $115.92    | $116.27    | 5,035,308    | 
| December 28 2007    | $117.15    | $117.87    | $116.24    | $117.12    | 4,746,437    | 
| December 27 2007    | $117.30    | $117.74    | $116.39    | $116.64    | 4,876,350    | 
| December 26 2007    | $117.34    | $118.21    | $117.30    | $117.77    | 4,517,242    | 
| December 24 2007    | $117.30    | $118.46    | $116.52    | $117.71    | 3,540,182    | 
| December 21 2007    | $115.14    | $117.93    | $114.95    | $116.49    | 15,856,253    | 
| December 20 2007    | $114.79    | $114.95    | $113.60    | $114.54    | 7,023,962    | 
| December 19 2007    | $114.38    | $115.13    | $112.95    | $113.73    | 8,352,117    | 
| December 18 2007    | $114.07    | $114.85    | $112.70    | $114.44    | 8,809,463    | 
| December 17 2007    | $114.51    | $114.75    | $112.83    | $113.45    | 8,424,064    | 
| December 14 2007    | $116.56    | $116.65    | $114.66    | $114.79    | 8,729,921    | 
| December 13 2007    | $115.06    | $117.52    | $114.29    | $116.87    | 7,509,039    | 
| December 12 2007    | $118.02    | $118.61    | $114.60    | $115.84    | 10,717,052    | 
| December 11 2007    | $116.31    | $118.02    | $112.42    | $115.16    | 13,884,501    | 
| December 10 2007    | $115.87    | $116.59    | $115.22    | $116.34    | 9,335,166    | 
| December 07 2007    | $115.84    | $116.62    | $114.91    | $115.78    | 6,802,363    | 
| December 06 2007    | $114.13    | $115.97    | $113.63    | $115.87    | 7,422,945    | 
| December 05 2007    | $113.82    | $114.57    | $112.70    | $114.16    | 12,024,028    | 
| December 04 2007    | $114.19    | $114.51    | $112.17    | $112.73    | 12,270,729    | 
| December 03 2007    | $118.80    | $118.80    | $113.82    | $114.85    | 14,271,882    | 
| November 30 2007    | $120.26    | $120.26    | $117.09    | $119.08    | 11,309,193    | 
| November 29 2007    | $119.08    | $119.17    | $117.55    | $118.61    | 7,452,220    | 
| November 28 2007    | $117.21    | $120.23    | $116.81    | $119.61    | 10,838,806    | 
| November 27 2007    | $114.60    | $117.15    | $114.44    | $116.46    | 9,272,902    | 
| November 26 2007    | $117.40    | $117.40    | $113.57    | $114.23    | 8,761,972    |