Closing Prices Stock Date 09/03/2010 127.04 18.36 09/07/2010 125.66 18.22 09/08/2010 126.17 18.06 09/09/2010 125.97 18.12 09/10/2010 128.87 17.95 09/13/2010 129.25 18.65 09/14/2010 128.13 18.88 A B D Exchange 21.18 15.31 10,430.06 20.56 15.35 10,298.09 20.51 15.67 10,353.97 20.66 15.99 10,518.29 20.52 ext 15.86 10,379.43 21.26 16.17 10,520.58 21.54 16.18 10,558.87 09/15/2010 128.44 18.56 21.59 16.44 10,472.41 09/16/2010 128.91 18.85 21.74 16.26 10,513.77 09/17/2010 130.78 18.75 21.77 16.18 10,529.17 09/20/2010 131.36 09/21/2010 132.96 19.19 19.02 21.54 16.51 10,778.61 21.54 16.41 10,829.64 Print Done