| | Date | Price | High | Low | Volume | | 5/21/2013 | 55.63 | 56.38 | 54.65 | 675,534 | | 5/20/2013 | 55.77 | 56.11 | 54.09 | 790,042 | | 5/17/2013 | 54.01 | 54.12 | 53.05 | 525,322 | | 5/16/2013 | 52.65 | 53.10 | 52.54 | 414,990 | | 5/15/2013 | 52.65 | 52.69 | 51.77 | 350,669 | | 5/14/2013 | 52.55 | 52.85 | 51.95 | 652,258 | | 5/13/2013 | 52.37 | 52.98 | 51.97 | 738,876 | | 5/10/2013 | 52.81 | 53.11 | 52.35 | 542,612 | | 5/9/2013 | 52.77 | 53.27 | 52.09 | 366,891 | | 5/8/2013 | 53.20 | 53.21 | 52.30 | 403,433 | | 5/7/2013 | 52.48 | 52.64 | 51.51 | 609,752 | | 5/6/2013 | 51.52 | 51.81 | 51.24 | 418,920 | | 5/3/2013 | 51.44 | 51.74 | 50.73 | 480,461 | | 5/2/2013 | 50.13 | 50.47 | 48.44 | 966,262 | | 5/1/2013 | 48.56 | 49.00 | 47.80 | 612,892 | | 4/30/2013 | 49.05 | 49.09 | 47.97 | 424,922 | | 4/29/2013 | 48.59 | 49.28 | 48.07 | 614,006 | | 4/26/2013 | 48.30 | 48.48 | 47.65 | 472,511 | | 4/25/2013 | 48.00 | 48.84 | 47.40 | 691,024 | | 4/24/2013 | 47.83 | 48.37 | 47.09 | 665,962 | | 4/23/2013 | 46.94 | 47.00 | 45.99 | 522,997 | | 4/22/2013 | 46.15 | 46.47 | 44.90 | 540,018 |
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