| Date | Open | High | Low | Close | Volume | Adj Close* | | 9-Feb-10 | 21.40 | 21.41 | 21.21 | 21.37 | 5,071,800 | 21.37 | | 8-Feb-10 | 21.17 | 21.31 | 20.95 | 21.13 | 6,225,300 | 21.13 | | 5-Feb-10 | 21.15 | 21.36 | 21.00 | 21.18 | 7,901,000 | 21.18 | | 4-Feb-10 | 21.41 | 21.64 | 21.13 | 21.16 | 10,550,500 | 21.16 | | 3-Feb-10 | 21.55 | 21.68 | 21.44 | 21.52 | 6,779,300 | 21.52 | | 2-Feb-10 | 21.55 | 21.75 | 21.31 | 21.63 | 7,023,700 | 21.63 | | 1-Feb-10 | 21.53 | 21.70 | 21.40 | 21.49 | 6,256,900 | 21.49 | | 29-Jan-10 | 21.35 | 21.61 | 21.32 | 21.43 | 7,061,100 | 21.43 | | 28-Jan-10 | 21.31 | 21.69 | 21.24 | 21.34 | 5,616,200 | 21.34 | | 27-Jan-10 | 21.61 | 21.75 | 21.27 | 21.53 | 7,780,500 | 21.53 | | 26-Jan-10 | 21.64 | 21.84 | 21.53 | 21.60 | 7,220,400 | 21.60 | | 25-Jan-10 | 21.81 | 21.91 | 21.66 | 21.82 | 9,503,900 | 21.82 | | 22-Jan-10 | 21.45 | 21.96 | 21.35 | 21.77 | 14,477,000 | 21.77 | | 21-Jan-10 | 21.49 | 21.83 | 21.41 | 21.52 | 14,782,700 | 21.52 | | 20-Jan-10 | 21.03 | 21.64 | 20.88 | 21.59 | 12,117,800 | 21.59 | | 19-Jan-10 | 20.67 | 21.11 | 20.65 | 21.09 | 8,516,000 | 21.09 | | 15-Jan-10 | 20.65 | 20.72 | 20.49 | 20.72 | 8,265,200 | 20.72 | | 14-Jan-10 | 20.56 | 20.70 | 20.45 | 20.63 | 6,525,000 | 20.63 | | 13-Jan-10 | 20.81 | 20.90 | 20.22 | 20.63 | 8,773,900 | 20.63 | | 12-Jan-10 | 20.46 | 20.93 | 20.40 | 20.71 | 10,935,600 | 20.71 | | 11-Jan-10 | 20.22 | 20.38 | 20.14 | 20.34 | 7,477,800 | 20.34 | | 8-Jan-10 | 20.46 | 20.46 | 20.12 | 20.26 | 10,487,100 | 20.26 | | 7-Jan-10 | 20.25 | 20.47 | 20.07 | 20.45 | 10,566,700 | 20.45 | | 6-Jan-10 | 20.24 | 20.34 | 20.01 | 20.25 | 12,567,000 | 20.25 | | 5-Jan-10 | 20.50 | 20.55 | 20.17 | 20.24 | 9,952,000 | 20.24 | | 4-Jan-10 | 20.53 | 20.65 | 20.44 | 20.48 | 6,359,400 | 20.48 | | 31-Dec-09 | 20.46 | 20.66 | 20.41 | 20.53 | 6,858,100 | 20.53 | | 30-Dec-09 | 20.45 | 20.59 | 20.41 | 20.49 | 3,465,900 | 20.49 | | 29-Dec-09 | 20.71 | 20.82 | 20.42 | 20.44 | 5,583,900 | 20.44 | | 28-Dec-09 | 20.71 | 20.78 | 20.49 | 20.73 | 4,212,600 | 20.73 | | 24-Dec-09 | 20.70 | 20.79 | 20.57 | 20.65 | 1,886,900 | 20.65 | | 23-Dec-09 | 20.71 | 20.87 | 20.61 | 20.66 | 4,972,600 | 20.66 | | 22-Dec-09 | 20.55 | 20.69 | 20.47 | 20.60 | 4,775,100 | 20.60 | | 21-Dec-09 | 20.28 | 20.60 | 20.16 | 20.49 | 9,988,500 | 20.49 | | 18-Dec-09 | 20.37 | 20.52 | 20.07 | 20.13 | 14,556,400 | 20.13 | | 17-Dec-09 | 20.46 | 20.60 | 20.31 | 20.35 | 11,256,200 | 20.35 | | 16-Dec-09 | 20.17 | 20.82 | 20.08 | 20.51 | 16,710,900 | 20.51 | | 15-Dec-09 | 19.98 | 20.18 | 19.88 | 20.16 | 12,888,200 | 20.16 | | 14-Dec-09 | 20.16 | 20.27 | 19.78 | 19.92 | 12,631,700 | 19.92 | | 11-Dec-09 | 20.13 | 20.24 | 19.97 | 20.03 | 11,703,100 | 20.03 | | 10-Dec-09 | 20.05 | 20.19 | 19.88 | 20.06 | 13,840,600 | 20.06 | | 9-Dec-09 | 20.22 | 20.22 | 19.64 | 20.03 | 27,378,000 | 20.03 | | 8-Dec-09 | 20.04 | 20.63 | 19.45 | 20.13 | 77,082,600 | 20.13 | | 7-Dec-09 | 22.49 | 22.97 | 22.39 | 22.85 | 9,921,000 | 22.85 | | 4-Dec-09 | 22.36 | 22.79 | 22.25 | 22.50 | 12,393,100 | 22.50 | | 3-Dec-09 | 22.74 | 22.74 | 22.21 | 22.24 | 7,989,400 | 22.24 | | 2-Dec-09 | 23.01 | 23.03 | 22.66 | 22.70 | 8,477,700 | 22.70 | | 1-Dec-09 | 22.89 | 23.13 | 22.76 | 22.89 | 5,932,200 | 22.89 | | 30-Nov-09 | 22.91 | 22.92 | 22.56 | 22.74 | 6,465,700 | 22.74 | | 27-Nov-09 | 22.85 | 22.95 | 22.56 | 22.87 | 2,091,900 | 22.87 | | 25-Nov-09 | 22.99 | 23.22 | 22.99 | 23.04 | 5,060,500 | 23.04 | | 24-Nov-09 | 22.88 | 23.07 | 22.80 | 23.07 | 4,958,700 | 23.07 | | 23-Nov-09 | 23.09 | 23.23 | 22.83 | 22.93 | 4,122,600 | 22.93 | | 20-Nov-09 | 22.88 | 23.13 | 22.71 | 22.86 | 6,786,900 | 22.86 | | 19-Nov-09 | 22.68 | 22.84 | 22.60 | 22.82 | 6,355,200 | 22.82 | | 18-Nov-09 | 23.10 | 23.11 | 22.66 | 22.73 | 5,330,700 | 22.73 | | 17-Nov-09 | 23.38 | 23.45 | 23.01 | 23.07 | 4,807,600 | 23.07 | | 16-Nov-09 | 23.29 | 23.46 | 23.12 | 23.42 | 5,939,800 | 23.42 | | 13-Nov-09 | 23.25 | 23.52 | 23.17 | 23.29 | 3,478,200 | 23.29 | | 12-Nov-09 | 23.46 | 23.65 | 23.19 | 23.20 | 5,043,300 | 23.20 | | 12-Nov-09 | $ 0.095 Dividend | | 11-Nov-09 | 23.78 | 23.90 | 23.52 | 23.62 | 3,923,900 | 23.53 | | 10-Nov-09 | 24.02 | 24.12 | 23.63 | 23.69 | 9,035,500 | 23.59 | | 9-Nov-09 | 23.23 | 23.72 | 23.23 | 23.69 | 5,511,200 | 23.59 | | 6-Nov-09 | 23.28 | 23.37 | 23.10 | 23.27 | 5,680,200 | 23.18 | | 5-Nov-09 | 23.15 | 23.37 | 23.11 | 23.32 | 4,798,400 | 23.23 | | 4-Nov-09 | 23.13 | 23.32 | 23.02 | 23.09 | 5,356,700 | 23.00 | | * Close price adjusted for dividends and splits. |
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