| DATE | OPEN | HIGH | LOW | CLOSE | VOLUME | 
|---|---|---|---|---|---|
| December 29 2006    | $58.0000    | $58.8000    | $58.0000    | $58.4000    | 14,930    | 
| December 28 2006    | $58.5000    | $58.5000    | $58.5000    | $58.5000    | —    | 
| December 27 2006    | $58.9000    | $58.9000    | $58.0000    | $58.5000    | 340    | 
| December 26 2006    | $58.0000    | $58.5000    | $58.0000    | $58.0000    | 15,290    | 
| December 22 2006    | $58.5000    | $58.5000    | $58.3000    | $58.3000    | 320    | 
| December 21 2006    | $58.7000    | $58.8000    | $58.3000    | $58.4000    | 840    | 
| December 20 2006    | $57.4000    | $58.6000    | $57.4000    | $58.6000    | 13,960    | 
| December 19 2006    | $57.1000    | $57.3000    | $56.7000    | $57.3000    | 1,690    | 
| December 18 2006    | $57.1000    | $57.1000    | $57.1000    | $57.1000    | 50    | 
| December 15 2006    | $56.6000    | $57.1000    | $56.6000    | $56.6000    | 310    | 
| December 14 2006    | $56.5000    | $56.6000    | $56.5000    | $56.6000    | 120    | 
| December 13 2006    | $56.4000    | $56.4000    | $56.1000    | $56.1000    | 1,470    | 
| December 12 2006    | $56.6000    | $56.6000    | $56.3000    | $56.3000    | 3,450    | 
| December 11 2006    | $56.6000    | $56.9000    | $56.5000    | $56.6000    | 290    | 
| December 08 2006    | $56.4000    | $57.5000    | $56.4000    | $57.3000    | 5,620    | 
| December 07 2006    | $56.4000    | $56.4000    | $55.9000    | $56.1000    | 780    | 
| December 06 2006    | $56.9000    | $56.9000    | $56.6000    | $56.7000    | 160    | 
| December 05 2006    | $56.9000    | $57.0000    | $56.9000    | $57.0000    | 680    | 
| December 04 2006    | $57.0000    | $57.0000    | $56.4000    | $56.8000    | 1,360    | 
| December 01 2006    | $57.0000    | $57.0000    | $56.4000    | $56.7000    | 500    | 
| November 30 2006    | $56.7000    | $56.9000    | $56.4000    | $56.8000    | 4,680    | 
| November 29 2006    | $56.0000    | $56.9000    | $56.0000    | $56.9000    | 11,760    | 
| November 28 2006    | $55.4000    | $56.5000    | $55.4000    | $56.0000    | 1,390    | 
| November 27 2006    | $56.1000    | $56.1000    | $54.8000    | $55.5000    | 2,900    | 
| November 24 2006    | $56.1000    | $56.1000    | $56.1000    | $56.1000    | —    |