| TOP INSTITUTIONAL HOLDERS |
| Holder | Shares | % Out | Value* | Reported | | ARBOR CAPITAL MANAGEMENT, LLC | 2,852,900 | 4.51 | $25,362,281 | 30-Sep-09 | | FEDERATED INVESTORS, INC. | 2,552,292 | 4.04 | $22,689,875 | 30-Sep-09 | | Barclays Global Investors UK Holdings Ltd | 2,408,180 | 3.81 | $21,408,720 | 30-Sep-09 | | DOWNTOWN ASSOCIATES, LLC | 2,180,871 | 3.45 | $19,387,943 | 30-Sep-09 | | VANGUARD GROUP, INC. (THE) | 1,720,494 | 2.72 | $15,295,191 | 30-Sep-09 | | DIMENSIONAL FUND ADVISORS LP | 1,540,873 | 2.44 | $13,698,360 | 30-Sep-09 | | FINANCIAL COUNSELORS, INC. | 1,444,861 | 2.29 | $12,844,814 | 30-Sep-09 | | Champlain Investment Partners, LLC | 1,385,580 | 2.19 | $12,317,806 | 30-Sep-09 | | ESSEX INVESTMENT MANAGEMENT CO INC | 1,367,946 | 2.16 | $12,161,039 | 30-Sep-09 | | WELLS FARGO & COMPANY | 1,327,614 | 2.10 | $11,802,488 | 30-Sep-09 |
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| Holder | Shares | % Out | Value* | Reported | | FEDERATED KAUFMANN FUND | 2,200,000 | 3.48 | $16,698,000 | 31-Jul-09 | | EVERGREEN GROWTH FUND | 1,074,619 | 1.70 | $7,275,170 | 30-Jun-09 | | JANUS VENTURE FUND | 957,080 | 1.51 | $8,508,441 | 30-Sep-09 | | TAMARACK ENTERPRISE FD | 874,500 | 1.38 | $5,920,365 | 30-Jun-09 | | ISHARES RUSSELL 2000 INDEX FD | 740,238 | 1.17 | $6,580,715 | 30-Sep-09 | | DFA U.S. MICRO CAP SERIES | 606,425 | .96 | $3,274,695 | 30-Apr-09 | | VANGUARD SMALL-CAP INDEX FUND | 498,898 | .79 | $3,377,539 | 30-Jun-09 | | ISHARES RUSSELL 2000 GROWTH INDEX FD | 387,637 | .61 | $3,446,092 | 30-Sep-09 | | VANGUARD TOTAL STOCK MARKET INDEX FUND | 383,850 | .61 | $2,598,664 | 30-Jun-09 | | Advisors Inner Circle Fund II-Champlain Small Company Fund | 360,000 | .57 | $2,732,400 | 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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