| Historical Data for Affymetrix Inc. (AFFX) | | | | | | | | | Date | Open | High | Low | Close | Volume | Change | Change % | | 1/8/09 | 3.34 | 3.47 | 3.1702 | 3.45 | 573,218 | 0.11 | 3.29% | | 1/7/09 | 3.34 | 3.50 | 3.28 | 3.34 | 822,514 | -0.07 | -2.05% | | 1/6/09 | 3.18 | 3.42 | 3.13 | 3.41 | 914,831 | 0.25 | 7.91% | | 1/5/09 | 3.18 | 3.19 | 2.91 | 3.16 | 723,015 | 0.04 | 1.28% | | 1/2/09 | 3.00 | 3.22 | 2.98 | 3.12 | 504,459 | 0.13 | 4.35% | | 12/31/08 | 2.88 | 3.02 | 2.78 | 2.99 | 1,080,475 | 0.13 | 4.55% | | 12/30/08 | 2.67 | 2.88 | 2.66 | 2.86 | 738,763 | 0.20 | 7.52% | | 12/29/08 | 2.60 | 2.74 | 2.59 | 2.66 | 446,484 | – | – | | 12/26/08 | 2.70 | 2.73 | 2.59 | 2.66 | 246,736 | -0.04 | -1.48% | | 12/24/08 | 2.79 | 2.84 | 2.64 | 2.70 | 209,672 | -0.09 | -3.23% | | 12/23/08 | 2.80 | 2.90 | 2.7501 | 2.79 | 449,265 | 0.01 | 0.36% | | 12/22/08 | 2.70 | 2.83 | 2.6999 | 2.78 | 699,760 | 0.07 | 2.58% | | 12/19/08 | 2.85 | 2.94 | 2.70 | 2.71 | 1,761,981 | 0.01 | 0.37% | | 12/18/08 | 2.90 | 2.91 | 2.57 | 2.70 | 838,627 | -0.18 | -6.25% | | 12/17/08 | 2.64 | 2.98 | 2.57 | 2.88 | 754,691 | 0.24 | 9.09% | | 12/16/08 | 2.54 | 2.66 | 2.41 | 2.64 | 693,423 | 0.19 | 7.76% | | 12/15/08 | 2.47 | 2.53 | 2.41 | 2.45 | 382,834 | – | – | | 12/12/08 | 2.43 | 2.75 | 2.31 | 2.45 | 1,134,244 | -0.05 | -2.00% | | 12/11/08 | 2.65 | 2.78 | 2.50 | 2.50 | 544,202 | -0.21 | -7.75% | | 12/10/08 | 2.75 | 2.89 | 2.65 | 2.71 | 477,287 | 0.01 | 0.37% | | 12/9/08 | 2.80 | 2.90 | 2.67 | 2.70 | 865,182 | -0.03 | -1.10% | | 12/8/08 | 2.76 | 2.86 | 2.71 | 2.73 | 1,361,026 | 0.06 | 2.25% | | 12/5/08 | 2.26 | 2.67 | 2.205 | 2.67 | 683,122 | 0.40 | 17.62% | | 12/4/08 | 2.30 | 2.40 | 2.26 | 2.27 | 564,008 | -0.05 | -2.16% | | 12/3/08 | 2.39 | 2.42 | 2.27 | 2.32 | 1,377,525 | -0.11 | -4.53% | | 12/2/08 | 2.50 | 2.63 | 2.22 | 2.43 | 1,345,035 | -0.03 | -1.22% | | 12/1/08 | 2.76 | 2.77 | 2.39 | 2.46 | 1,023,427 | -0.28 | -10.22% | | 11/28/08 | 2.62 | 2.80 | 2.62 | 2.74 | 321,203 | 0.10 | 3.79% | | 11/26/08 | 2.45 | 2.68 | 2.31 | 2.64 | 897,581 | 0.13 | 5.18% | | 11/25/08 | 2.54 | 2.57 | 2.35 | 2.51 | 892,539 | -0.02 | -0.79% | | 11/24/08 | 2.265 | 2.55 | 2.02 | 2.53 | 1,629,089 | 0.37 | 17.13% | | 11/21/08 | 2.44 | 2.48 | 2.06 | 2.16 | 2,001,302 | -0.22 | -9.24% | | 11/20/08 | 2.84 | 2.92 | 2.31 | 2.38 | 1,489,899 | -0.48 | -16.78% | | 11/19/08 | 2.87 | 2.97 | 2.86 | 2.86 | 1,370,324 | -0.03 | -1.04% | | 11/18/08 | 2.93 | 3.01 | 2.60 | 2.89 | 1,319,493 | 0.01 | 0.35% | | 11/17/08 | 3.25 | 3.31 | 2.85 | 2.88 | 1,383,144 | -0.32 | -10.00% | | 11/14/08 | 3.53 | 3.54 | 3.20 | 3.20 | 1,373,708 | -0.22 | -6.43% | | 11/13/08 | 3.45 | 3.4902 | 3.04 | 3.42 | 2,069,043 | -0.03 | -0.87% | | 11/12/08 | 3.44 | 3.572 | 3.40 | 3.45 | 1,162,674 | -0.07 | -1.99% | | 11/11/08 | 3.57 | 3.65 | 3.41 | 3.52 | 1,344,713 | -0.08 | -2.22% | | 11/10/08 | 3.84 | 3.84 | 3.57 | 3.60 | 989,742 | -0.20 | -5.26% | | 11/7/08 | 3.82 | 3.99 | 3.72 | 3.80 | 1,127,031 | – | – | | 11/6/08 | 4.08 | 4.08 | 3.75 | 3.80 | 869,319 | -0.28 | -6.86% | | 11/5/08 | 4.05 | 4.28 | 4.05 | 4.08 | 895,666 | 0.01 | 0.25% | | 11/4/08 | 4.07 | 4.27 | 4.00 | 4.07 | 1,237,117 | 0.09 | 2.26% | | 11/3/08 | 3.88 | 4.08 | 3.77 | 3.98 | 1,258,492 | 0.29 | 7.86% | | 10/31/08 | 3.54 | 3.75 | 3.54 | 3.69 | 1,210,852 | 0.11 | 3.07% | | 10/30/08 | 3.65 | 3.85 | 3.52 | 3.58 | 2,118,156 | – | – | | 10/29/08 | 4.01 | 4.01 | 3.56 | 3.58 | 2,950,132 | -0.38 | -9.60% | | 10/28/08 | 3.78 | 3.98 | 3.61 | 3.96 | 1,219,818 | 0.24 | 6.45% | | 10/27/08 | 4.09 | 4.09 | 3.69 | 3.72 | 2,304,204 | -0.37 | -9.05% | | 10/24/08 | 3.82 | 4.10 | 3.51 | 4.09 | 2,003,772 | 0.01 | 0.25% | | 10/23/08 | 4.83 | 4.88 | 4.02 | 4.08 | 3,081,159 | -0.64 | -13.56% | | 10/22/08 | 4.8018 | 5.02 | 4.675 | 4.72 | 1,832,999 | -0.26 | -5.22% | | 10/21/08 | 5.02 | 5.19 | 4.92 | 4.98 | 1,064,745 | -0.07 | -1.39% | | 10/20/08 | 4.80 | 5.16 | 4.61 | 5.05 | 1,964,727 | 0.52 | 11.48% | | 10/17/08 | 4.15 | 6.70 | 4.072 | 4.53 | 2,563,212 | 0.27 | 6.34% | | 10/16/08 | 4.05 | 4.28 | 3.98 | 4.26 | 1,865,334 | 0.21 | 5.19% | | 10/15/08 | 4.32 | 4.40 | 4.04 | 4.05 | 1,612,453 | -0.35 | -7.95% | | 10/14/08 | 4.66 | 4.7399 | 4.25 | 4.40 | 3,221,549 | -0.10 | -2.22% | | 10/13/08 | 5.76 | 6.00 | 3.88 | 4.50 | 11,815,259 | -0.94 | -17.28% | | 10/10/08 | 5.99 | 6.03 | 5.03 | 5.44 | 2,645,842 | -0.59 | -9.78% | | | |