| TOP INSTITUTIONAL HOLDERS |
| Holder | Shares | % Out | Value* | Reported | | GAGNON SECURITIES, LLC | 2,950,413 | 7.97 | $9,942,891 | 30-Sep-09 | | CAISSE DE DEPOT ET PLACEMENT DU QUEBEC | 2,513,817 | 6.79 | $8,471,563 | 30-Sep-09 | | Barclays Global Investors UK Holdings Ltd | 1,877,965 | 5.07 | $6,328,742 | 30-Sep-09 | | KOPP INVESTMENT ADVISORS. INC. | 1,817,900 | 4.91 | $6,126,323 | 30-Sep-09 | | ROYCE & ASSOCIATES, LLC | 1,812,614 | 4.90 | $6,108,509 | 30-Sep-09 | | Chilton Investment Company, LLC | 1,186,410 | 3.21 | $3,998,201 | 30-Sep-09 | | DIMENSIONAL FUND ADVISORS LP | 1,168,873 | 3.16 | $3,939,102 | 30-Sep-09 | | STATE STREET CORPORATION | 580,577 | 1.57 | $1,956,544 | 30-Sep-09 | | VANGUARD GROUP, INC. (THE) | 417,951 | 1.13 | $1,408,494 | 30-Sep-09 | | KENNEDY CAPITAL MANAGEMENT, INC. | 400,000 | 1.08 | $1,348,000 | 30-Sep-09 |
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| Holder | Shares | % Out | Value* | Reported | | ROYCE OPPORTUNITY FUND | 1,148,701 | 3.10 | $4,330,602 | 30-Jun-09 | | ISHARES RUSSELL 2000 INDEX FD | 491,802 | 1.33 | $1,657,372 | 30-Sep-09 | | DFA U.S. SMALL CAP VALUE SERIES | 334,034 | .90 | $1,132,375 | 30-Apr-09 | | ISHARES RUSSELL 2000 GROWTH INDEX FD | 259,127 | .70 | $873,257 | 30-Sep-09 | | VANGUARD TOTAL STOCK MARKET INDEX FUND | 236,468 | .64 | $891,484 | 30-Jun-09 | | COLLEGE RETIREMENT EQUITIES FUND-STOCK ACCOUNT | 151,197 | .41 | $570,012 | 30-Jun-09 | | SEI INSTITUTIONAL INVESTMENT TR-SMALL CAP FUND | 129,436 | .35 | $416,783 | 31-May-09 | | VANGUARD EXTENDED MARKET INDEX FUND | 123,127 | .33 | $464,188 | 30-Jun-09 | | DFA Tax Managed U.S. Targeted Value Port | 112,134 | .30 | $437,322 | 31-Jul-09 | | SEI INSTITUTIONAL MANAGED TR-SMALL CAP GROWTH FUND | 109,849 | .30 | $414,130 | 30-Jun-09 |
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Value shown is computed using the security's price on the report date given.
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