| TOP INSTITUTIONAL HOLDERS |
| Holder | Shares | % Out | Value* | Reported | | Coatue Management, LLC | 2,452,014 | 8.83 | $9,759,015 | 30-Sep-09 | | GRANAHAN INVESTMENT MANAGEMENT INC. | 1,308,200 | 4.71 | $5,206,636 | 30-Sep-09 | | Perimeter Capital Partners LLC | 957,438 | 3.45 | $3,810,603 | 30-Sep-09 | | ROYCE & ASSOCIATES, LLC | 745,000 | 2.68 | $2,965,100 | 30-Sep-09 | | RENAISSANCE TECHNOLOGIES, LLC | 728,000 | 2.62 | $2,897,440 | 30-Sep-09 | | Empire Capital Management, LLC | 695,979 | 2.51 | $2,769,996 | 30-Sep-09 | | MORGAN STANLEY | 601,298 | 2.17 | $2,393,166 | 30-Sep-09 | | INVESTMENT COUNSELORS OF MARYLAND | 379,000 | 1.36 | $1,508,420 | 30-Sep-09 | | FMR LLC | 358,400 | 1.29 | $1,426,432 | 30-Sep-09 | | SHAW D.E. & CO., INC. | 282,775 | 1.02 | $1,125,444 | 30-Sep-09 |
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| Holder | Shares | % Out | Value* | Reported | | VANGUARD EXPLORER FUND, INC. | 1,197,900 | 4.31 | $4,504,104 | 31-Jul-09 | | ROYCE LOW-PRICED STOCK FUND | 745,000 | 2.68 | $2,719,250 | 30-Jun-09 | | Advisors Inner Circle Fd II-Perimeter Small Cap Growth Fund | 282,590 | 1.02 | $1,062,538 | 31-Jul-09 | | ADVISORS INNER CIRCLE FUND-ICM SMALL COMPANY PORTFOLIO | 262,700 | .95 | $987,752 | 31-Jul-09 | | Transamerica Partners Fd-Small Growth Port | 170,007 | .61 | $620,525 | 30-Jun-09 | | FIDELITY ADVISOR NEW INSIGHTS FUND | 168,600 | .61 | $671,028 | 30-Sep-09 | | VANGUARD VARIABLE INSURANCE FUND-SMALL COMPANY GROWTH | 102,000 | .37 | $372,300 | 30-Jun-09 | | UPRIGHT GROWTH FUND | 93,800 | .34 | $342,370 | 30-Jun-09 | | FIDELITY SELECT PORTFOLIOS - NETWORKING & INFRASTRUCTURE | 93,700 | .34 | $297,029 | 31-May-09 | | FORUM FUNDS, INC.-BROWN ADVISORY SMALL CAP FUNDAMENTAL VALUE | 82,360 | .30 | $288,260 | 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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