| DATE | OPEN | HIGH | LOW | CLOSE | VOLUME | 
|---|---|---|---|---|---|
| December 2013    | $131.47    | $133.30    | $119.80    | $124.91    | 2,337,762    | 
| November 2013    | $111.53    | $137.19    | $111.29    | $131.47    | 2,114,297    | 
| October 2013    | $105.87    | $119.23    | $105.48    | $110.90    | 3,086,363    | 
| September 2013    | $90.45    | $111.65    | $87.49    | $106.19    | 3,332,824    | 
| August 2013    | $90.40    | $95.31    | $84.77    | $88.79    | 2,965,146    | 
| July 2013    | $81.27    | $85.73    | $78.24    | $85.24    | 2,026,406    | 
| June 2013    | $84.40    | $86.92    | $75.00    | $80.50    | 2,435,116    | 
| May 2013    | $85.20    | $88.36    | $81.74    | $84.25    | 2,589,761    | 
| April 2013    | $83.80    | $87.52    | $77.64    | $85.10    | 3,278,711    | 
| March 2013    | $89.62    | $96.41    | $83.75    | $84.20    | 4,131,952    | 
| February 2013    | $83.72    | $92.57    | $82.81    | $90.00    | 3,736,150    | 
| January 2013    | $76.93    | $87.54    | $73.90    | $83.67    | 4,466,231    | 
| December 2012    | $94.47    | $96.24    | $65.92    | $74.82    | 7,194,526    | 
| November 2012    | $75.34    | $96.62    | $68.64    | $94.18    | 5,436,502    | 
| October 2012    | $79.69    | $79.69    | $70.22    | $75.27    | 2,399,172    | 
| September 2012    | $68.53    | $82.92    | $67.96    | $78.88    | 2,552,699    | 
| August 2012    | $78.34    | $78.55    | $66.68    | $69.01    | 5,631,429    | 
| July 2012    | $63.61    | $80.41    | $61.84    | $78.12    | 4,001,388    | 
| June 2012    | $60.23    | $65.57    | $54.08    | $63.45    | 5,335,000    | 
| May 2012    | $90.61    | $91.69    | $59.85    | $61.59    | 8,127,170    | 
| April 2012    | $77.72    | $90.56    | $72.46    | $89.57    | 4,226,461    | 
| March 2012    | $65.83    | $79.60    | $64.23    | $77.06    | 2,854,220    | 
| February 2012    | $62.34    | $72.89    | $61.73    | $65.24    | 2,322,542    | 
| January 2012    | $53.47    | $62.85    | $51.73    | $61.91    | 1,466,604    | 
| December 2011    | $50.09    | $54.58    | $45.94    | $52.25    | 1,382,567    |