| TOP INSTITUTIONAL HOLDERS |
| Holder | Shares | % Out | Value* | Reported | | Robeco Investment Management, Inc. | 2,645,190 | 9.60 | $19,680,213 | 30-Sep-09 | | CARDINAL CAPITAL MANAGEMENT LLC | 2,157,856 | 7.83 | $16,054,448 | 30-Sep-09 | | GOLDMAN CAPITAL MANAGEMENT, INC. | 2,001,550 | 7.26 | $14,891,532 | 30-Sep-09 | | GRUBER & MCBAINE CAPITAL MANAGEMENT LLC | 1,646,383 | 5.97 | $12,249,089 | 30-Sep-09 | | BLAIR (WILLIAM) & COMPANY, L.L.C. | 1,487,866 | 5.40 | $11,069,723 | 30-Sep-09 | | CLARK ESTATES INC. (THE) | 1,356,899 | 4.92 | $10,095,328 | 30-Sep-09 | | Porter Orlin LLC | 1,269,241 | 4.60 | $9,443,153 | 30-Sep-09 | | WALL STREET ASSOCIATES | 1,079,576 | 3.92 | $8,032,045 | 30-Sep-09 | | MFC Global Investment Management (U.S.), LLC | 653,144 | 2.37 | $4,859,391 | 30-Sep-09 | | RS Investment Management Co., LLC | 615,350 | 2.23 | $4,578,204 | 30-Sep-09 |
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| Holder | Shares | % Out | Value* | Reported | | BLAIR (WILLIAM) MUTUAL FUNDS, INC.-SMALL CAP GROWTH FUND | 1,066,188 | 3.87 | $7,932,438 | 30-Sep-09 | | John Hancock Small Cap Intrinsic Value Fund | 600,000 | 2.18 | $4,464,000 | 30-Sep-09 | | JANUS VENTURE FUND | 539,695 | 1.96 | $4,015,330 | 30-Sep-09 | | ROYCE OPPORTUNITY FUND | 484,573 | 1.76 | $2,669,997 | 30-Jun-09 | | RS Investment Trust-RS Small Cap Growth Fund | 448,700 | 1.63 | $3,338,328 | 30-Sep-09 | | SEI INSTITUTIONAL MANAGED TR-SMALL CAP VALUE FUND | 394,300 | 1.43 | $2,172,593 | 30-Jun-09 | | SEI INSTITUTIONAL INVESTMENT TR-SMALL CAP FUND | 386,300 | 1.40 | $2,109,198 | 31-May-09 | | Robeco Inv Fds-Robeco WPG Small Cap Value Fd | 216,000 | .78 | $1,302,480 | 31-Aug-09 | | CONSULTING GROUP CAPITAL MARKETS-SMALL CAP GROWTH INV | 194,200 | .70 | $1,171,026 | 31-Aug-09 | | FORUM FUNDS, INC.-BROWN ADVISORY SMALL-CAP VALUE FUND | 139,538 | .51 | $841,414 | 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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