| Historical Data for Ultra Clean Holdings Inc. (UCTT) | | | | After Hours: $ 5.40 | 0.00 (0.00%) | Volume: 727 | 4:03 PM EDT Oct 13, 2008 | | | | | | | | | Date | Open | High | Low | Close | Volume | Change | Change % | | 10/13/08 | 4.59 | 5.47 | 4.22 | 5.40 | 175,121 | 0.90 | 20.00% | | 10/10/08 | 3.87 | 4.7375 | 3.07 | 4.50 | 230,303 | 0.51 | 12.78% | | 10/9/08 | 4.46 | 5.00 | 3.82 | 3.99 | 154,809 | -0.49 | -10.94% | | 10/8/08 | 4.69 | 5.0301 | 3.85 | 4.48 | 233,907 | -0.33 | -6.86% | | 10/7/08 | 4.932 | 5.35 | 4.77 | 4.81 | 112,573 | -0.21 | -4.18% | | 10/6/08 | 5.06 | 5.48 | 4.89 | 5.02 | 126,840 | -0.13 | -2.52% | | 10/3/08 | 5.36 | 5.45 | 5.10 | 5.15 | 134,615 | -0.19 | -3.56% | | 10/2/08 | 5.21 | 5.72 | 5.09 | 5.34 | 169,531 | 0.03 | 0.56% | | 10/1/08 | 5.04 | 5.33 | 5.00 | 5.31 | 97,857 | 0.27 | 5.36% | | 9/30/08 | 5.24 | 5.87 | 4.98 | 5.04 | 205,199 | -0.22 | -4.18% | | 9/29/08 | 6.11 | 6.12 | 2.78 | 5.26 | 170,100 | -0.91 | -14.75% | | 9/26/08 | 6.26 | 6.47 | 5.91 | 6.17 | 113,669 | -0.20 | -3.14% | | 9/25/08 | 6.22 | 6.69 | 6.18 | 6.37 | 112,543 | 0.14 | 2.25% | | 9/24/08 | 6.81 | 7.10 | 6.22 | 6.23 | 130,430 | -0.56 | -8.25% | | 9/23/08 | 7.05 | 7.27 | 6.78 | 6.79 | 121,958 | -0.25 | -3.55% | | 9/22/08 | 7.21 | 7.38 | 6.86 | 7.04 | 148,591 | -0.23 | -3.16% | | 9/19/08 | 7.23 | 7.77 | 6.62 | 7.27 | 299,267 | 0.18 | 2.54% | | 9/18/08 | 6.20 | 7.09 | 5.99 | 7.09 | 304,737 | 1.07 | 17.77% | | 9/17/08 | 6.21 | 6.43 | 6.02 | 6.02 | 110,205 | -0.26 | -4.14% | | 9/16/08 | 6.20 | 6.31 | 6.00 | 6.28 | 109,682 | 0.04 | 0.64% | | 9/15/08 | 6.61 | 6.74 | 6.23 | 6.24 | 54,460 | -0.49 | -7.28% | | 9/12/08 | 6.82 | 6.89 | 6.54 | 6.73 | 72,747 | -0.08 | -1.17% | | 9/11/08 | 6.61 | 6.94 | 6.33 | 6.81 | 144,239 | 0.13 | 1.95% | | 9/10/08 | 6.85 | 6.85 | 6.46 | 6.68 | 147,554 | -0.05 | -0.74% | | 9/9/08 | 6.83 | 6.96 | 6.62 | 6.73 | 175,583 | -0.09 | -1.32% | | 9/8/08 | 6.87 | 6.94 | 6.49 | 6.82 | 165,283 | 0.11 | 1.64% | | 9/5/08 | 7.20 | 7.20 | 6.48 | 6.71 | 177,292 | -0.53 | -7.32% | | 9/4/08 | 7.65 | 8.03 | 7.16 | 7.24 | 164,281 | -0.45 | -5.85% | | 9/3/08 | 7.40 | 7.87 | 7.35 | 7.69 | 116,496 | 0.30 | 4.06% | | 9/2/08 | 7.41 | 7.68 | 7.22 | 7.39 | 102,241 | 0.11 | 1.51% | | 8/29/08 | 7.74 | 7.78 | 7.23 | 7.28 | 145,142 | -0.51 | -6.55% | | 8/28/08 | 8.07 | 8.14 | 7.73 | 7.79 | 245,756 | -0.26 | -3.23% | | 8/27/08 | 7.79 | 8.16 | 7.55 | 8.05 | 114,162 | 0.25 | 3.21% | | 8/26/08 | 8.06 | 8.38 | 7.77 | 7.80 | 110,034 | -0.29 | -3.58% | | 8/25/08 | 8.33 | 8.81 | 8.07 | 8.09 | 149,105 | -0.27 | -3.23% | | 8/22/08 | 8.21 | 8.54 | 8.18 | 8.36 | 166,807 | 0.17 | 2.08% | | 8/21/08 | 8.28 | 8.60 | 8.19 | 8.19 | 116,602 | -0.19 | -2.27% | | 8/20/08 | 8.22 | 8.635 | 8.22 | 8.38 | 118,433 | 0.17 | 2.07% | | 8/19/08 | 7.56 | 8.25 | 7.56 | 8.21 | 126,249 | 0.60 | 7.88% | | 8/18/08 | 7.86 | 8.09 | 7.51 | 7.61 | 87,599 | -0.24 | -3.06% | | 8/15/08 | 7.90 | 8.22 | 7.85 | 7.85 | 119,487 | 0.10 | 1.29% | | 8/14/08 | 8.05 | 8.12 | 7.71 | 7.75 | 98,297 | -0.31 | -3.85% | | 8/13/08 | 7.80 | 8.42 | 7.732 | 8.06 | 189,518 | 0.23 | 2.94% | | 8/12/08 | 7.53 | 7.90 | 7.3904 | 7.83 | 238,350 | 0.25 | 3.30% | | 8/11/08 | 7.02 | 7.71 | 6.87 | 7.58 | 144,256 | 0.54 | 7.67% | | 8/8/08 | 6.41 | 7.06 | 6.41 | 7.04 | 200,036 | 0.62 | 9.66% | | 8/7/08 | 6.40 | 6.57 | 6.37 | 6.42 | 108,503 | -0.02 | -0.31% | | 8/6/08 | 6.58 | 6.58 | 6.42 | 6.44 | 108,589 | -0.18 | -2.72% | | 8/5/08 | 6.67 | 6.79 | 6.47 | 6.62 | 116,557 | – | – | | 8/4/08 | 6.59 | 6.72 | 6.34 | 6.62 | 95,142 | 0.04 | 0.61% | | 8/1/08 | 6.59 | 6.72 | 6.47 | 6.58 | 119,428 | 0.03 | 0.46% | | 7/31/08 | 6.32 | 6.73 | 6.29 | 6.55 | 196,168 | 0.15 | 2.34% | | 7/30/08 | 6.61 | 6.77 | 6.29 | 6.40 | 192,591 | -0.16 | -2.44% | | 7/29/08 | 6.45 | 6.69 | 6.15 | 6.56 | 456,469 | -0.22 | -3.24% | | 7/28/08 | 6.52 | 7.00 | 6.52 | 6.78 | 190,308 | 0.18 | 2.73% | | 7/25/08 | 6.85 | 6.98 | 6.51 | 6.60 | 224,564 | -0.21 | -3.08% | | 7/24/08 | 6.94 | 7.05 | 6.75 | 6.81 | 148,568 | -0.11 | -1.59% | | 7/23/08 | 6.90 | 7.01 | 6.625 | 6.92 | 804,946 | 0.02 | 0.29% | | 7/22/08 | 6.69 | 7.01 | 6.51 | 6.90 | 395,670 | 0.12 | 1.77% | | 7/21/08 | 6.87 | 6.87 | 6.60 | 6.78 | 337,382 | 0.04 | 0.59% | | 7/18/08 | 6.71 | 6.96 | 6.46 | 6.74 | 293,111 | 0.07 | 1.05% | | 7/17/08 | 6.75 | 6.76 | 6.61 | 6.67 | 268,726 | -0.08 | -1.19% | | 7/16/08 | 6.86 | 7.11 | 6.64 | 6.75 | 392,507 | -0.10 | -1.46% | | 7/15/08 | 6.86 | 7.095 | 6.80 | 6.85 | 174,742 | -0.08 | -1.15% | | | |