| TOP INSTITUTIONAL HOLDERS |
| Holder | Shares | % Out | Value* | Reported | | Burgundy Asset Management Ltd. | 2,113,149 | 9.57 | $21,532,988 | 30-Sep-09 | | NORTHPOINTE CAPITAL LLC | 1,483,796 | 6.72 | $15,119,881 | 30-Sep-09 | | Cortina Asset Management, LLC | 1,405,788 | 6.37 | $14,324,979 | 30-Sep-09 | | Murphy, Michael R. | 890,860 | 4.04 | $9,077,863 | 30-Sep-09 | | ROYCE & ASSOCIATES, LLC | 739,000 | 3.35 | $7,530,410 | 30-Sep-09 | | VANGUARD GROUP, INC. (THE) | 609,904 | 2.76 | $6,214,921 | 30-Sep-09 | | BROWN INVESTMENT ADVISORY & TRUST COMPANY | 601,855 | 2.73 | $6,132,902 | 30-Sep-09 | | Barclays Global Investors UK Holdings Ltd | 593,603 | 2.69 | $6,048,814 | 30-Sep-09 | | U.S. BANCORP (MINNESOTA) | 573,894 | 2.60 | $5,847,979 | 30-Sep-09 | | PRINCIPAL FINANCIAL GROUP, INC. | 506,540 | 2.29 | $5,161,642 | 30-Sep-09 |
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| Holder | Shares | % Out | Value* | Reported | | ROYCE MICRO-CAP FUND | 456,350 | 2.07 | $3,947,427 | 30-Jun-09 | | RidgeWorth Small Cap Growth Stock Fd | 270,550 | 1.23 | $2,340,257 | 30-Jun-09 | | ISHARES RUSSELL 2000 INDEX FD | 252,404 | 1.14 | $2,571,996 | 30-Sep-09 | | ROYCE CAPITAL FUND-MICRO-CAP PORTFOLIO | 248,850 | 1.13 | $2,152,552 | 30-Jun-09 | | PRINCIPAL SMALL CAP VALUE FD | 240,250 | 1.09 | $2,078,162 | 30-Jun-09 | | PIONEER SMALL CAP VALUE FUND | 230,300 | 1.04 | $2,121,063 | 31-May-09 | | FIRST AMERICAN SMALL CAP GROWTH OPPORTUNITIES FUND | 211,193 | .96 | $2,152,056 | 30-Sep-09 | | VANGUARD SMALL-CAP INDEX FUND | 201,542 | .91 | $1,743,338 | 30-Jun-09 | | FORUM FUNDS, INC.-BROWN ADVISORY SMALL CAP GROWTH FUND | 156,800 | .71 | $1,376,704 | 31-Aug-09 | | VANGUARD SMALL-CAP GROWTH INDEX FUND | 127,486 | .58 | $1,102,753 | 30-Jun-09 |
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*
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Value shown is computed using the security's price on the report date given.
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