| DATE | OPEN | HIGH | LOW | CLOSE | VOLUME |
|---|---|---|---|---|---|
December 31 2010 | $20.61 | $20.81 | $20.56 | $20.66 | 3,826,550 |
December 30 2010 | $20.74 | $20.84 | $20.61 | $20.63 | 7,650,780 |
December 29 2010 | $20.69 | $20.85 | $20.62 | $20.79 | 6,483,000 |
December 28 2010 | $20.74 | $20.90 | $20.57 | $20.70 | 9,293,040 |
December 27 2010 | $20.13 | $20.76 | $20.06 | $20.71 | 14,669,520 |
December 23 2010 | $20.03 | $20.14 | $19.98 | $20.13 | 12,984,460 |
December 22 2010 | $20.25 | $20.42 | $19.86 | $20.04 | 24,423,760 |
December 21 2010 | $20.72 | $20.84 | $20.14 | $20.26 | 32,116,340 |
December 20 2010 | $20.40 | $20.73 | $20.38 | $20.61 | 27,406,720 |
December 17 2010 | $20.67 | $20.76 | $19.82 | $20.40 | 63,475,419 |
December 16 2010 | $23.05 | $23.42 | $20.13 | $20.60 | 90,638,309 |
December 15 2010 | $23.51 | $23.60 | $22.85 | $22.98 | 12,592,670 |
December 14 2010 | $23.93 | $23.97 | $23.39 | $23.43 | 7,178,880 |
December 13 2010 | $23.47 | $24.04 | $23.28 | $23.91 | 13,835,860 |
December 10 2010 | $23.19 | $23.49 | $23.08 | $23.49 | 8,104,010 |
December 09 2010 | $23.09 | $23.43 | $22.75 | $23.16 | 7,740,180 |
December 08 2010 | $22.74 | $23.12 | $22.70 | $23.11 | 8,361,870 |
December 07 2010 | $23.46 | $23.57 | $22.73 | $22.75 | 8,388,690 |
December 06 2010 | $22.79 | $23.38 | $22.79 | $23.34 | 7,608,420 |
December 03 2010 | $22.86 | $22.99 | $22.60 | $22.96 | 7,641,130 |
December 02 2010 | $22.87 | $22.97 | $22.61 | $22.97 | 10,801,520 |
December 01 2010 | $22.30 | $23.05 | $22.19 | $22.88 | 14,104,900 |
November 30 2010 | $21.55 | $21.99 | $21.48 | $21.85 | 15,647,730 |
November 29 2010 | $21.66 | $21.76 | $21.20 | $21.72 | 8,735,190 |
November 26 2010 | $21.84 | $21.84 | $21.48 | $21.68 | 7,352,320 |
