| TOP INSTITUTIONAL HOLDERS |
| Holder | Shares | % Out | Value* | Reported | | VANGUARD GROUP, INC. (THE) | 1,814,031 | 3.31 | $15,509,965 | 30-Sep-09 | | FRONTIER CAPITAL MANAGEMENT COMPANY INC | 1,451,930 | 2.65 | $12,414,001 | 30-Sep-09 | | DIMENSIONAL FUND ADVISORS LP | 1,435,235 | 2.62 | $12,271,259 | 30-Sep-09 | | Barclays Global Investors UK Holdings Ltd | 1,327,172 | 2.42 | $11,347,320 | 30-Sep-09 | | COLUMBIA WANGER ASSET MANAGEMENT, L.P. | 5,723,200 | 10.44 | $48,933,360 | 30-Sep-09 | | GLOBEFLEX CAPITAL, L.P. | 672,745 | 1.23 | $5,751,969 | 30-Sep-09 | | BANK OF AMERICA CORPORATION | 581,687 | 1.06 | $4,973,423 | 30-Sep-09 | | NEXT CENTURY GROWTH INVESTORS LLC | 546,087 | 1.00 | $4,669,043 | 30-Sep-09 | | STATE STREET CORPORATION | 527,989 | .96 | $4,514,305 | 30-Sep-09 | | ROYCE & ASSOCIATES, LLC | 340,340 | .62 | $2,909,907 | 30-Sep-09 |
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| Holder | Shares | % Out | Value* | Reported | | COLUMBIA ACORN FD | 5,000,000 | 9.12 | $33,100,000 | 30-Jun-09 | | DFA U.S. MICRO CAP SERIES | 525,324 | .96 | $1,990,977 | 30-Apr-09 | | Columbia Fds Ser Tr-Columbia Small Cap Value II Fd | 448,365 | .82 | $2,986,110 | 31-Aug-09 | | VANGUARD STRATEGIC EQUITY FUND | 356,314 | .65 | $2,358,798 | 30-Jun-09 | | ISHARES RUSSELL 2000 INDEX FD | 334,789 | .61 | $2,862,445 | 30-Sep-09 | | VANGUARD TOTAL STOCK MARKET INDEX FUND | 323,631 | .59 | $2,142,437 | 30-Jun-09 | | VANGUARD SMALL-CAP INDEX FUND | 298,126 | .54 | $1,973,594 | 30-Jun-09 | | ROYCE MICRO CAP TRUST | 258,400 | .47 | $1,710,608 | 30-Jun-09 | | VANGUARD EXPLORER FUND, INC. | 242,799 | .44 | $1,760,292 | 31-Jul-09 | | COLUMBIA ACORN USA FD | 235,000 | .43 | $1,555,700 | 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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