| TOP INSTITUTIONAL HOLDERS |
| Holder | Shares | % Out | Value* | Reported | | WELLS FARGO & COMPANY | 3,745,443 | 15.55 | $17,790,854 | 30-Sep-09 | | OBERWEIS ASSET MANAGEMENT INC. | 313,200 | 1.30 | $1,487,700 | 30-Sep-09 | | DRIEHAUS CAPITAL MANAGEMENT, INC. | 253,247 | 1.05 | $1,202,923 | 30-Sep-09 | | RENAISSANCE TECHNOLOGIES, LLC | 207,675 | .86 | $986,456 | 30-Sep-09 | | BRIDGEWAY CAPITAL MANAGEMENT, INC. | 85,300 | .35 | $405,175 | 30-Sep-09 | | VAN DEN BERG MANAGEMENT INC, DBA CENTURY MANAGEMENT | 71,285 | .30 | $338,603 | 30-Sep-09 | | BOGLE INVESTMENT MANAGEMENT LP | 64,950 | .27 | $308,512 | 30-Sep-09 | | Invesco Ltd. | 59,172 | .25 | $281,067 | 30-Sep-09 | | FMR LLC | 30,000 | .12 | $142,500 | 30-Sep-09 | | CITIGROUP INC. | 28,880 | .12 | $137,180 | 30-Sep-09 |
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| Holder | Shares | % Out | Value* | Reported | | Wells Fargo Advantage Small Cap Value Fd | 1,474,800 | 6.12 | $7,005,300 | 30-Sep-09 | | Wells Fargo Advantage Small/Mid Cap Value Fd | 439,995 | 1.83 | $2,089,976 | 30-Sep-09 | | Wells Fargo Advantage Diversified Small Cap Fd | 99,060 | .41 | $470,535 | 30-Sep-09 | | FIDELITY SELECT PORTFOLIOS - TECHNOLOGY | 30,000 | .12 | $142,500 | 30-Sep-09 | | Wells Fargo Advantage Var Tr-Small/Mid Cap Value Fd | 23,210 | .10 | $110,247 | 30-Sep-09 | | Wells Fargo Advantage Diversified Equity Fd | 12,976 | .05 | $54,758 | 31-Aug-09 | | Oberweis China Opportunities Fund | 12,700 | .05 | $41,275 | 30-Jun-09 | | Wells Fargo Advantage Growth Equity Fd | 9,269 | .04 | $39,115 | 31-Aug-09 | | Wells Fargo Advantage Moderate Balanced Fd | 2,609 | .01 | $11,009 | 31-Aug-09 | | Wells Fargo Advantage Aggressive Allocation Fd | 2,474 | .01 | $10,440 | 31-Aug-09 |
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Value shown is computed using the security's price on the report date given.
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