| Date | Open | High | Low | Close | Volume | Change | Change % | | 9/17/08 | 3.80 | 4.25 | 3.80 | 4.25 | 1,925 | -0.47 | -9.96% | | 9/15/08 | 5.52 | 5.52 | 3.28 | 4.72 | 226,397 | -0.40 | -7.81% | | 9/12/08 | 4.96 | 5.12 | 4.80 | 5.12 | 89,425 | -0.24 | -4.48% | | 9/11/08 | 5.04 | 5.44 | 4.8016 | 5.36 | 661,199 | 0.24 | 4.69% | | 9/10/08 | 4.888 | 5.60 | 4.88 | 5.12 | 55,118 | – | – | | 9/9/08 | 6.00 | 6.00 | 5.04 | 5.12 | 62,992 | -0.64 | -11.11% | | 9/8/08 | 5.76 | 5.76 | 5.44 | 5.76 | 196,291 | – | – | | 9/5/08 | 6.7904 | 6.7904 | 5.44 | 5.76 | 167,378 | 0.16 | 2.86% | | 9/4/08 | 5.60 | 5.92 | 5.4464 | 5.60 | 98,398 | -0.40 | -6.67% | | 9/3/08 | 5.44 | 6.00 | 5.28 | 6.00 | 84,568 | 0.24 | 4.17% | | 9/2/08 | 6.08 | 6.0808 | 5.44 | 5.76 | 139,002 | -0.32 | -5.26% | | 8/29/08 | 5.84 | 6.16 | 5.84 | 6.08 | 65,110 | 0.16 | 2.70% | | 8/28/08 | 5.60 | 6.24 | 5.52 | 5.92 | 200,844 | 0.56 | 10.45% | | 8/27/08 | 5.84 | 5.84 | 5.12 | 5.36 | 168,522 | -0.08 | -1.47% | | 8/26/08 | 5.84 | 5.84 | 5.36 | 5.44 | 176,459 | – | – | | 8/25/08 | 5.60 | 5.60 | 5.2016 | 5.44 | 171,466 | -0.08 | -1.45% | | 8/22/08 | 6.00 | 6.00 | 5.28 | 5.52 | 152,424 | -0.16 | -2.82% | | 8/21/08 | 7.12 | 7.12 | 5.52 | 5.68 | 261,865 | -0.88 | -13.41% | | 8/20/08 | 6.88 | 6.88 | 6.24 | 6.56 | 173,258 | -0.24 | -3.53% | | 8/19/08 | 7.12 | 7.12 | 6.64 | 6.80 | 34,796 | -0.08 | -1.16% | | 8/18/08 | 7.5104 | 7.5104 | 6.80 | 6.88 | 162,803 | -0.08 | -1.15% | | 8/15/08 | 7.28 | 7.36 | 6.816 | 6.96 | 100,530 | -0.08 | -1.14% | | 8/14/08 | 7.12 | 7.12 | 6.72 | 7.04 | 159,236 | -0.40 | -5.38% | | 8/13/08 | 7.28 | 7.52 | 6.976 | 7.44 | 149,598 | 0.16 | 2.20% | | 8/12/08 | 7.20 | 7.36 | 6.80 | 7.28 | 222,977 | 0.16 | 2.25% | | 8/11/08 | 7.12 | 7.12 | 6.88 | 7.12 | 115,069 | – | – | | 8/8/08 | 7.20 | 7.20 | 7.04 | 7.12 | 39,504 | – | – | | 8/7/08 | 7.28 | 7.28 | 7.04 | 7.12 | 75,844 | – | – | | 8/6/08 | 8.32 | 8.32 | 6.88 | 7.12 | 274,356 | -1.04 | -12.75% | | 8/5/08 | 9.04 | 9.04 | 7.76 | 8.16 | 1,152,591 | -0.64 | -7.27% | | 8/4/08 | 9.36 | 9.44 | 8.72 | 8.80 | 130,800 | -0.80 | -8.33% | | 8/1/08 | 9.60 | 9.60 | 9.20 | 9.60 | 41,596 | – | – | | 7/31/08 | 9.12 | 9.60 | 9.12 | 9.60 | 66,696 | 0.16 | 1.69% | | 7/30/08 | 9.60 | 9.60 | 8.72 | 9.44 | 85,028 | 0.24 | 2.61% | | 7/29/08 | 8.72 | 9.20 | 8.64 | 9.20 | 90,001 | 0.16 | 1.77% | | 7/28/08 | 8.96 | 9.28 | 8.48 | 9.04 | 73,143 | 0.16 | 1.80% | | 7/25/08 | 8.96 | 8.96 | 8.488 | 8.88 | 85,878 | 0.08 | 0.91% | | 7/24/08 | 8.56 | 8.80 | 8.24 | 8.80 | 130,557 | 0.48 | 5.77% | | 7/23/08 | 7.92 | 8.40 | 7.60 | 8.32 | 267,872 | 0.72 | 9.47% | | 7/22/08 | 7.28 | 7.68 | 7.28 | 7.60 | 223,855 | – | – | | 7/21/08 | 7.28 | 7.60 | 7.28 | 7.60 | 227,214 | – | – | | 7/18/08 | 7.56 | 7.60 | 7.12 | 7.60 | 102,947 | 0.4808 | 6.75% | | 7/17/08 | 6.64 | 7.12 | 6.40 | 7.1192 | 183,719 | 0.7992 | 12.65% | | 7/16/08 | 8.00 | 8.00 | 5.68 | 6.32 | 425,665 | 0.80 | 14.49% | | 7/15/08 | 5.68 | 6.00 | 5.44 | 5.52 | 449,947 | – | – | | 7/14/08 | 6.5608 | 6.56 | 5.04 | 5.52 | 456,986 | -1.20 | -17.86% | | |