| Historical Data for Regeneron Pharmaceuticals Inc. (REGN) | | | | | | | | | Date | Open | High | Low | Close | Volume | Change | Change % | | 10/6/08 | 20.50 | 20.52 | 18.09 | 19.84 | 895,046 | -1.12 | -5.34% | | 10/3/08 | 21.97 | 22.13 | 20.70 | 20.96 | 672,895 | -0.40 | -1.87% | | 10/2/08 | 22.61 | 22.66 | 21.17 | 21.36 | 410,381 | -1.46 | -6.40% | | 10/1/08 | 21.59 | 22.82 | 21.22 | 22.82 | 491,864 | 0.99 | 4.54% | | 9/30/08 | 22.15 | 22.46 | 21.18 | 21.83 | 492,611 | -0.05 | -0.23% | | 9/29/08 | 22.23 | 25.00 | 21.56 | 21.88 | 656,736 | -0.83 | -3.65% | | 9/26/08 | 20.98 | 22.74 | 20.93 | 22.71 | 650,719 | 1.25 | 5.82% | | 9/25/08 | 21.14 | 21.93 | 20.94 | 21.46 | 295,073 | 0.49 | 2.34% | | 9/24/08 | 21.22 | 22.00 | 20.77 | 20.97 | 356,853 | -0.13 | -0.62% | | 9/23/08 | 21.64 | 22.32 | 21.00 | 21.10 | 395,051 | -0.61 | -2.81% | | 9/22/08 | 22.84 | 23.52 | 21.65 | 21.71 | 852,986 | -1.36 | -5.90% | | 9/19/08 | 23.58 | 24.00 | 22.04 | 23.07 | 2,398,437 | 0.09 | 0.39% | | 9/18/08 | 21.30 | 23.08 | 20.25 | 22.98 | 1,288,114 | 2.10 | 10.06% | | 9/17/08 | 21.36 | 21.47 | 20.36 | 20.88 | 611,063 | -0.76 | -3.51% | | 9/16/08 | 20.79 | 21.84 | 20.48 | 21.64 | 578,624 | 1.19 | 5.82% | | 9/15/08 | 20.48 | 21.71 | 19.78 | 20.45 | 536,322 | -0.26 | -1.26% | | 9/12/08 | 20.33 | 20.90 | 19.84 | 20.71 | 487,403 | 0.13 | 0.63% | | 9/11/08 | 19.05 | 20.61 | 18.72 | 20.58 | 709,912 | 1.15 | 5.92% | | 9/10/08 | 18.80 | 19.55 | 18.70 | 19.43 | 667,029 | 0.91 | 4.91% | | 9/9/08 | 18.83 | 19.79 | 18.48 | 18.52 | 634,456 | -0.38 | -2.01% | | 9/8/08 | 19.59 | 19.75 | 18.70 | 18.90 | 620,788 | -0.17 | -0.89% | | 9/5/08 | 20.39 | 20.73 | 18.21 | 19.07 | 1,135,497 | -1.31 | -6.43% | | 9/4/08 | 21.59 | 21.87 | 20.32 | 20.38 | 681,050 | -1.42 | -6.51% | | 9/3/08 | 22.71 | 23.67 | 21.07 | 21.80 | 2,118,264 | 1.22 | 5.93% | | 9/2/08 | 22.04 | 22.50 | 20.26 | 20.58 | 756,886 | -1.14 | -5.25% | | 8/29/08 | 21.81 | 22.03 | 21.56 | 21.72 | 235,794 | -0.11 | -0.50% | | 8/28/08 | 20.70 | 21.97 | 20.52 | 21.83 | 443,506 | 1.14 | 5.51% | | 8/27/08 | 21.46 | 21.49 | 20.50 | 20.69 | 593,825 | -0.73 | -3.41% | | 8/26/08 | 20.58 | 21.64 | 20.58 | 21.42 | 255,180 | 0.86 | 4.18% | | 8/25/08 | 21.47 | 21.782 | 20.42 | 20.56 | 369,978 | -0.98 | -4.55% | | 8/22/08 | 20.83 | 21.68 | 20.35 | 21.54 | 223,626 | 0.98 | 4.77% | | 8/21/08 | 21.08 | 21.52 | 20.40 | 20.56 | 340,319 | -0.71 | -3.34% | | 8/20/08 | 21.28 | 21.78 | 21.01 | 21.27 | 429,190 | 0.05 | 0.24% | | 8/19/08 | 22.03 | 22.03 | 21.02 | 21.22 | 464,820 | -0.99 | -4.46% | | 8/18/08 | 22.75 | 23.13 | 22.08 | 22.21 | 412,619 | -0.43 | -1.90% | | 8/15/08 | 23.04 | 23.05 | 22.31 | 22.64 | 460,990 | -0.16 | -0.70% | | 8/14/08 | 21.85 | 22.92 | 21.85 | 22.80 | 490,872 | 0.89 | 4.06% | | 8/13/08 | 22.80 | 22.80 | 21.25 | 21.91 | 667,855 | -0.90 | -3.95% | | 8/12/08 | 22.78 | 22.85 | 22.12 | 22.81 | 629,716 | -0.02 | -0.09% | | 8/11/08 | 21.70 | 23.25 | 21.39 | 22.83 | 638,322 | 1.21 | 5.60% | | 8/8/08 | 20.30 | 21.67 | 19.43 | 21.62 | 1,284,942 | 1.38 | 6.82% | | 8/7/08 | 21.26 | 22.40 | 20.12 | 20.24 | 1,783,907 | -2.16 | -9.64% | | 8/6/08 | 21.75 | 22.52 | 21.20 | 22.40 | 732,183 | 0.67 | 3.08% | | 8/5/08 | 21.74 | 21.91 | 21.36 | 21.73 | 726,391 | 0.12 | 0.56% | | 8/4/08 | 21.63 | 21.98 | 20.96 | 21.61 | 759,998 | -0.07 | -0.32% | | 8/1/08 | 21.58 | 21.98 | 21.07 | 21.68 | 960,199 | -0.21 | -0.96% | | 7/31/08 | 19.93 | 22.65 | 19.70 | 21.89 | 2,003,412 | 1.77 | 8.80% | | 7/30/08 | 19.99 | 20.21 | 19.45 | 20.12 | 512,804 | 0.27 | 1.36% | | 7/29/08 | 18.94 | 20.10 | 18.87 | 19.85 | 680,597 | 1.03 | 5.47% | | 7/28/08 | 18.90 | 19.58 | 18.71 | 18.82 | 610,317 | -0.18 | -0.95% | | 7/25/08 | 19.03 | 19.09 | 18.59 | 19.00 | 427,005 | 0.02 | 0.11% | | 7/24/08 | 18.80 | 19.06 | 18.56 | 18.98 | 338,216 | 0.20 | 1.06% | | 7/23/08 | 19.27 | 19.45 | 18.50 | 18.78 | 697,797 | -0.48 | -2.49% | | 7/22/08 | 18.14 | 19.30 | 17.61 | 19.26 | 687,011 | 0.99 | 5.42% | | 7/21/08 | 17.04 | 18.53 | 17.04 | 18.27 | 730,611 | 1.26 | 7.41% | | 7/18/08 | 17.26 | 17.37 | 16.65 | 17.01 | 559,977 | -0.30 | -1.73% | | 7/17/08 | 16.69 | 17.45 | 16.60 | 17.31 | 825,644 | 0.66 | 3.96% | | 7/16/08 | 15.59 | 16.70 | 15.04 | 16.65 | 794,615 | 1.15 | 7.42% | | 7/15/08 | 14.85 | 15.82 | 14.78 | 15.50 | 477,853 | 0.47 | 3.13% | | 7/14/08 | 14.50 | 15.35 | 14.80 | 15.03 | 402,048 | -0.05 | -0.33% | | 7/11/08 | 14.50 | 15.366 | 14.46 | 15.08 | 489,204 | 0.51 | 3.50% | | 7/10/08 | 14.65 | 15.05 | 14.31 | 14.57 | 382,057 | -0.13 | -0.88% | | 7/9/08 | 14.86 | 15.47 | 14.50 | 14.70 | 521,568 | -0.10 | -0.68% | | 7/8/08 | 13.40 | 14.88 | 13.40 | 14.80 | 705,761 | 1.45 | 10.86% | | | |