| Historical Data for Xcel Energy Inc. (XEL) | | | | | | | | | Date | Open | High | Low | Close | Volume | Change | Change % | | 10/7/08 | 18.70 | 19.05 | 18.63 | 19.05 | 172,988 | 0.34 | 1.82% | | 10/6/08 | 19.14 | 19.445 | 18.21 | 18.71 | 6,590,213 | -0.64 | -3.31% | | 10/3/08 | 19.92 | 20.21 | 19.35 | 19.35 | 6,613,335 | -0.31 | -1.58% | | 10/2/08 | 20.05 | 20.13 | 19.54 | 19.66 | 3,908,484 | -0.41 | -2.04% | | 10/1/08 | 19.80 | 20.21 | 19.65 | 20.07 | 4,403,307 | 0.08 | 0.40% | | 9/30/08 | 19.93 | 20.13 | 19.64 | 19.99 | 3,557,672 | 0.21 | 1.06% | | 9/29/08 | 20.45 | 20.45 | 19.64 | 19.78 | 4,087,037 | -0.73 | -3.56% | | 9/26/08 | 20.56 | 20.72 | 20.31 | 20.51 | 2,425,660 | -0.27 | -1.30% | | 9/25/08 | 20.53 | 20.95 | 20.42 | 20.78 | 2,262,280 | 0.32 | 1.56% | | 9/24/08 | 20.35 | 20.54 | 20.00 | 20.46 | 3,146,041 | 0.22 | 1.09% | | 9/23/08 | 20.55 | 20.76 | 20.22 | 20.24 | 2,569,736 | -0.53 | -2.55% | | 9/22/08 | 21.46 | 21.49 | 20.59 | 20.77 | 2,826,942 | -0.64 | -2.99% | | 9/19/08 | 21.56 | 22.39 | 21.08 | 21.41 | 6,794,747 | -0.35 | -1.61% | | 9/18/08 | 20.97 | 22.01 | 20.72 | 21.76 | 5,554,812 | 1.02 | 4.92% | | 9/17/08 | 20.54 | 20.99 | 20.42 | 20.74 | 5,348,131 | -0.13 | -0.62% | | 9/16/08 | 20.10 | 20.92 | 19.97 | 20.87 | 4,957,586 | 0.43 | 2.10% | | 9/15/08 | 20.15 | 20.75 | 20.14 | 20.44 | 3,275,284 | -0.12 | -0.58% | | 9/12/08 | 20.48 | 20.69 | 20.38 | 20.56 | 3,439,149 | -0.03 | -0.15% | | 9/11/08 | 20.19 | 20.63 | 20.035 | 20.59 | 5,238,158 | 0.34 | 1.68% | | 9/10/08 | 20.23 | 20.45 | 20.20 | 20.25 | 6,657,934 | -0.61 | -2.92% | | 9/9/08 | 20.85 | 21.09 | 20.70 | 20.86 | 4,109,559 | 0.06 | 0.29% | | 9/8/08 | 20.31 | 20.81 | 20.20 | 20.80 | 1,991,777 | 0.60 | 2.97% | | 9/5/08 | 20.17 | 20.3199 | 20.04 | 20.20 | 2,635,162 | -0.08 | -0.39% | | 9/4/08 | 20.39 | 20.49 | 20.21 | 20.28 | 3,476,700 | -0.11 | -0.54% | | 9/3/08 | 20.37 | 20.78 | 20.28 | 20.39 | 3,329,260 | -0.05 | -0.24% | | 9/2/08 | 20.61 | 20.74 | 20.39 | 20.44 | 2,685,895 | -0.07 | -0.34% | | 8/29/08 | 20.75 | 20.93 | 20.48 | 20.51 | 2,066,271 | -0.36 | -1.72% | | 8/28/08 | 20.79 | 20.90 | 20.64 | 20.87 | 1,522,940 | 0.16 | 0.77% | | 8/27/08 | 20.53 | 20.76 | 20.39 | 20.71 | 1,275,228 | 0.23 | 1.12% | | 8/26/08 | 20.34 | 20.58 | 20.34 | 20.48 | 2,239,609 | 0.09 | 0.44% | | 8/25/08 | 20.47 | 20.68 | 20.35 | 20.39 | 2,158,891 | -0.27 | -1.31% | | 8/22/08 | 20.60 | 20.71 | 20.53 | 20.66 | 1,286,035 | 0.12 | 0.58% | | 8/21/08 | 20.31 | 20.595 | 20.31 | 20.54 | 1,915,303 | 0.02 | 0.10% | | 8/20/08 | 20.60 | 20.64 | 20.41 | 20.52 | 1,978,597 | -0.08 | -0.39% | | 8/19/08 | 20.66 | 20.80 | 20.57 | 20.60 | 1,403,566 | -0.13 | -0.63% | | 8/18/08 | 20.75 | 20.88 | 20.66 | 20.73 | 1,390,567 | 0.10 | 0.48% | | 8/15/08 | 20.59 | 20.67 | 20.49 | 20.63 | 1,707,461 | 0.13 | 0.63% | | 8/14/08 | 20.45 | 20.66 | 20.38 | 20.50 | 1,612,606 | -0.11 | -0.53% | | 8/13/08 | 20.79 | 20.79 | 20.50 | 20.61 | 1,738,535 | 0.01 | 0.05% | | 8/12/08 | 20.80 | 20.99 | 20.44 | 20.60 | 3,160,173 | -0.29 | -1.39% | | 8/11/08 | 20.59 | 21.04 | 20.36 | 20.89 | 2,850,747 | 0.35 | 1.70% | | 8/8/08 | 20.19 | 20.55 | 20.01 | 20.54 | 3,565,283 | 0.43 | 2.14% | | 8/7/08 | 19.82 | 20.27 | 19.70 | 20.11 | 3,550,592 | 0.16 | 0.80% | | 8/6/08 | 20.02 | 20.16 | 19.75 | 19.95 | 3,795,756 | -0.10 | -0.50% | | 8/5/08 | 19.99 | 20.16 | 19.66 | 20.05 | 3,165,286 | 0.23 | 1.16% | | 8/4/08 | 19.83 | 19.99 | 19.75 | 19.82 | 3,707,982 | -0.07 | -0.35% | | 8/1/08 | 20.06 | 20.17 | 19.82 | 19.89 | 3,732,269 | -0.17 | -0.85% | | 7/31/08 | 20.29 | 20.29 | 19.86 | 20.06 | 3,767,407 | -0.29 | -1.43% | | 7/30/08 | 19.98 | 20.39 | 19.80 | 20.35 | 2,741,759 | 0.46 | 2.31% | | 7/29/08 | 19.87 | 19.93 | 19.73 | 19.89 | 2,632,446 | 0.05 | 0.25% | | 7/28/08 | 19.71 | 20.00 | 19.68 | 19.84 | 2,701,374 | 0.04 | 0.20% | | 7/25/08 | 19.79 | 19.97 | 19.70 | 19.80 | 2,949,550 | -0.04 | -0.20% | | 7/24/08 | 19.80 | 19.88 | 19.40 | 19.84 | 4,268,329 | 0.04 | 0.20% | | 7/23/08 | 20.19 | 20.27 | 19.76 | 19.80 | 5,374,993 | -0.41 | -2.03% | | 7/22/08 | 20.06 | 20.31 | 20.01 | 20.21 | 2,258,201 | 0.14 | 0.70% | | 7/21/08 | 20.05 | 20.24 | 19.90 | 20.07 | 2,889,749 | 0.13 | 0.65% | | 7/18/08 | 19.83 | 20.11 | 19.52 | 19.94 | 2,570,648 | 0.17 | 0.86% | | 7/17/08 | 19.90 | 19.90 | 19.48 | 19.77 | 3,820,137 | -0.02 | -0.10% | | 7/16/08 | 20.04 | 20.14 | 19.60 | 19.79 | 3,481,065 | -0.26 | -1.30% | | 7/15/08 | 19.98 | 20.11 | 19.83 | 20.05 | 4,513,183 | -0.05 | -0.25% | | 7/14/08 | 20.23 | 20.50 | 20.00 | 20.10 | 2,282,504 | -0.21 | -1.03% | | 7/11/08 | 20.23 | 20.62 | 19.99 | 20.31 | 3,181,977 | -0.11 | -0.54% | | 7/10/08 | 20.36 | 20.58 | 20.30 | 20.42 | 2,940,684 | 0.03 | 0.15% | | 7/9/08 | 20.14 | 20.56 | 20.12 | 20.39 | 2,653,612 | 0.21 | 1.04% | | | |