
| DATE | OPEN | HIGH | LOW | CLOSE | VOLUME | 
|---|---|---|---|---|---|
| December 31 2012    | $98.76    | $100.54    | $98.26    | $100.44    | 3,623,000    | 
| December 28 2012    | $99.00    | $99.70    | $98.69    | $98.84    | 1,859,200    | 
| December 27 2012    | $100.43    | $101.03    | $98.09    | $99.74    | 3,263,500    | 
| December 26 2012    | $100.92    | $101.81    | $100.09    | $100.13    | 2,210,100    | 
| December 24 2012    | $100.69    | $101.18    | $100.32    | $100.43    | 1,359,300    | 
| December 21 2012    | $99.71    | $101.54    | $98.92    | $101.14    | 6,393,300    | 
| December 20 2012    | $100.28    | $102.14    | $99.70    | $102.14    | 4,402,500    | 
| December 19 2012    | $101.32    | $101.81    | $99.85    | $100.20    | 5,525,400    | 
| December 18 2012    | $98.29    | $100.79    | $98.03    | $100.61    | 8,040,300    | 
| December 17 2012    | $94.64    | $97.24    | $94.51    | $97.24    | 5,476,700    | 
| December 14 2012    | $93.27    | $94.54    | $93.15    | $93.99    | 3,717,200    | 
| December 13 2012    | $92.77    | $93.83    | $92.59    | $93.31    | 3,329,100    | 
| December 12 2012    | $93.93    | $94.47    | $92.98    | $92.99    | 5,372,400    | 
| December 11 2012    | $92.57    | $94.33    | $92.16    | $93.59    | 5,696,500    | 
| December 10 2012    | $91.82    | $92.26    | $91.04    | $92.14    | 3,331,900    | 
| December 07 2012    | $92.73    | $92.91    | $91.45    | $91.79    | 3,960,500    | 
| December 06 2012    | $92.30    | $92.51    | $91.50    | $92.28    | 2,330,900    | 
| December 05 2012    | $92.14    | $92.84    | $91.34    | $92.23    | 3,283,000    | 
| December 04 2012    | $93.01    | $93.22    | $91.50    | $91.80    | 3,591,600    | 
| December 03 2012    | $93.25    | $94.21    | $92.97    | $93.23    | 3,613,900    | 
| November 30 2012    | $92.88    | $94.05    | $92.67    | $92.75    | 4,264,300    | 
| November 29 2012    | $94.49    | $94.84    | $93.32    | $93.49    | 2,980,800    | 
| November 28 2012    | $92.32    | $93.96    | $91.79    | $93.96    | 3,811,200    | 
| November 27 2012    | $94.48    | $95.14    | $92.82    | $92.84    | 3,875,200    | 
| November 26 2012    | $93.43    | $94.84    | $92.91    | $94.83    | 3,371,000    |