| TOP INSTITUTIONAL HOLDERS |
| Holder | Shares | % Out | Value* | Reported | | Barclays Global Investors UK Holdings Ltd | 2,616,731 | 6.86 | $7,588,519 | 30-Sep-09 | | DIMENSIONAL FUND ADVISORS LP | 1,500,704 | 3.93 | $4,352,041 | 30-Sep-09 | | FMR LLC | 1,314,419 | 3.45 | $3,811,815 | 30-Sep-09 | | COLUMBIA WANGER ASSET MANAGEMENT, L.P. | 8,335,942 | 21.85 | $24,174,231 | 30-Sep-09 | | Perimeter Capital Partners LLC | 1,068,229 | 2.80 | $3,097,864 | 30-Sep-09 | | WELLS FARGO & COMPANY | 1,027,708 | 2.69 | $2,980,353 | 30-Sep-09 | | PRESCOTT GROUP CAPITAL MANAGEMENT, L.L.C. | 1,007,123 | 2.64 | $2,920,656 | 30-Sep-09 | | VANGUARD GROUP, INC. (THE) | 897,379 | 2.35 | $2,602,399 | 30-Sep-09 | | RENAISSANCE TECHNOLOGIES, LLC | 888,778 | 2.33 | $2,577,456 | 30-Sep-09 | | ACADIAN ASSET MANAGEMENT | 791,962 | 2.08 | $2,296,689 | 30-Sep-09 |
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| Holder | Shares | % Out | Value* | Reported | | COLUMBIA ACORN SELECT FD | 1,334,442 | 3.50 | $3,869,881 | 30-Sep-09 | | COLUMBIA ACORN USA FD | 1,005,500 | 2.64 | $2,915,950 | 30-Sep-09 | | COLUMBIA ACORN FD | 4,500,000 | 11.80 | $13,050,000 | 30-Sep-09 | | Wanger Advisor Trust-Wanger USA, Variable Series | 705,500 | 1.85 | $2,045,950 | 30-Sep-09 | | ROYCE VALUE TRUST, INC. | 655,000 | 1.72 | $1,526,150 | 30-Jun-09 | | VANGUARD EXPLORER FUND, INC. | 607,300 | 1.59 | $1,846,192 | 31-Jul-09 | | ISHARES RUSSELL 2000 INDEX FD | 514,546 | 1.35 | $1,605,383 | 31-Oct-09 | | DFA U.S. MICRO CAP SERIES | 399,644 | 1.05 | $1,214,917 | 31-Jul-09 | | VANGUARD TOTAL STOCK MARKET INDEX FUND | 370,798 | .97 | $863,959 | 30-Jun-09 | | Advisors Inner Circle Fd II-Perimeter Small Cap Growth Fund | 334,240 | .88 | $1,016,089 | 31-Jul-09 |
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Value shown is computed using the security's price on the report date given.
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