| TOP INSTITUTIONAL HOLDERS |
| Holder | Shares | % Out | Value* | Reported | | JENNISON ASSOCIATES LLC | 1,433,863 | 9.64 | $23,974,189 | 30-Sep-09 | | Barclays Global Investors UK Holdings Ltd | 1,219,219 | 8.19 | $20,385,341 | 30-Sep-09 | | P2 Capital Partners, LLC | 731,805 | 4.92 | $12,235,779 | 30-Sep-09 | | ESSEX INVESTMENT MANAGEMENT CO INC | 618,038 | 4.15 | $10,333,595 | 30-Sep-09 | | VANGUARD GROUP, INC. (THE) | 617,385 | 4.15 | $10,322,677 | 30-Sep-09 | | Bank of New York Mellon Corporation | 439,621 | 2.95 | $7,350,463 | 30-Sep-09 | | EARNEST PARTNERS LLC | 437,160 | 2.94 | $7,309,315 | 30-Sep-09 | | KEYBANK NATIONAL ASSOCIATION | 358,929 | 2.41 | $6,001,292 | 30-Sep-09 | | DIMENSIONAL FUND ADVISORS LP | 348,442 | 2.34 | $5,825,950 | 30-Sep-09 | | BROWN CAPITAL MANAGEMENT, INC. | 1,511,769 | 10.16 | $25,276,777 | 30-Sep-09 |
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| Holder | Shares | % Out | Value* | Reported | | JENNISON SMALL COMPANY FUND | 629,800 | 4.23 | $10,530,256 | 30-Sep-09 | | BROWN CAPITAL MANAGEMENT SMALL COMPANY FUND | 462,835 | 3.11 | $5,665,100 | 30-Jun-09 | | ISHARES RUSSELL 2000 INDEX FD | 218,564 | 1.47 | $3,654,390 | 30-Sep-09 | | ISHARES S&P SMALLCAP 600 INDEX FD | 192,358 | 1.29 | $3,247,003 | 31-Oct-09 | | VANGUARD SMALL-CAP INDEX FUND | 172,221 | 1.16 | $2,107,985 | 30-Jun-09 | | Managers AMG Funds-Essex Small/Micro Cap Growth Fund | 166,805 | 1.12 | $2,191,817 | 31-Aug-09 | | HARTFORD SMALLCAP GROWTH HLS SERIES | 147,000 | .99 | $1,799,280 | 30-Jun-09 | | WASATCH SMALL CAP GROWTH FUND | 143,429 | .96 | $1,755,570 | 30-Jun-09 | | TURNER EMERGING GROWTH FUND | 143,130 | .96 | $1,751,911 | 30-Jun-09 | | DFA U.S. MICRO CAP SERIES | 141,840 | .95 | $1,262,376 | 30-Apr-09 |
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Value shown is computed using the security's price on the report date given.
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