| DATE | the S&P 500 | O’Reilly Automotive | 
|---|---|---|
| December 2009    | $1,115.10    | $2.54    | 
| November 2009    | $1,095.63    | $2.59    | 
| October 2009    | $1,036.19    | $2.49    | 
| September 2009    | $1,057.08    | $2.41    | 
| August 2009    | $1,020.62    | $2.55    | 
| July 2009    | $987.48    | $2.71    | 
| June 2009    | $919.32    | $2.54    | 
| May 2009    | $919.14    | $2.40    | 
| April 2009    | $872.81    | $2.59    | 
| March 2009    | $797.87    | $2.33    | 
| February 2009    | $735.09    | $2.22    | 
| January 2009    | $825.88    | $1.94    | 
| December 2008    | $903.25    | $2.05    | 
| November 2008    | $896.24    | $1.74    | 
| October 2008    | $968.75    | $1.81    | 
| September 2008    | $1,166.36    | $1.78    | 
| August 2008    | $1,282.83    | $1.94    | 
| July 2008    | $1,267.38    | $1.70    | 
| June 2008    | $1,280.00    | $1.49    | 
| May 2008    | $1,400.38    | $1.74    | 
| April 2008    | $1,385.59    | $1.92    | 
| March 2008    | $1,322.70    | $1.90    | 
| February 2008    | $1,330.63    | $1.80    | 
| January 2008    | $1,378.55    | $1.96    | 
| December 2007    | $1,468.36    | $2.16    |