| | Date | Price | High | Low | Volume | | 5/21/2013 | 45.38 | 46.24 | 45.03 | 905,373 | | 5/20/2013 | 45.61 | 46.01 | 44.82 | 1,399,554 | | 5/17/2013 | 45.32 | 45.85 | 44.70 | 1,297,159 | | 5/16/2013 | 44.49 | 44.84 | 43.50 | 1,721,949 | | 5/15/2013 | 44.80 | 45.42 | 44.27 | 1,019,197 | | 5/14/2013 | 44.96 | 46.91 | 43.86 | 2,239,639 | | 5/13/2013 | 43.81 | 44.49 | 43.03 | 1,923,887 | | 5/10/2013 | 43.74 | 43.99 | 42.45 | 2,161,116 | | 5/9/2013 | 42.35 | 42.61 | 41.01 | 2,505,093 | | 5/8/2013 | 40.75 | 41.01 | 39.62 | 1,752,784 | | 5/7/2013 | 39.99 | 41.00 | 39.09 | 3,064,685 | | 5/6/2013 | 37.74 | 38.44 | 35.53 | 2,572,104 | | 5/3/2013 | 36.85 | 37.79 | 36.47 | 938,884 | | 5/2/2013 | 37.19 | 37.99 | 35.55 | 1,049,732 | | 5/1/2013 | 37.01 | 37.35 | 35.79 | 1,145,908 | | 4/30/2013 | 36.77 | 36.78 | 35.78 | 533,346 | | 4/29/2013 | 36.32 | 36.50 | 34.37 | 810,664 | | 4/26/2013 | 35.17 | 35.67 | 33.96 | 1,137,895 | | 4/25/2013 | 34.16 | 34.81 | 33.71 | 859,947 | | 4/24/2013 | 33.78 | 34.39 | 33.68 | 372,264 | | 4/23/2013 | 34.06 | 34.38 | 33.54 | 471,635 | | 4/22/2013 | 34.00 | 34.08 | 32.53 | 487,840 |
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