| TOP INSTITUTIONAL HOLDERS |
| Holder | Shares | % Out | Value* | Reported | | COLUMBIA WANGER ASSET MANAGEMENT, L.P. | 2,197,508 | 8.67 | $56,981,382 | 30-Sep-09 | | EAGLE ASSET MANAGEMENT, INC. | 1,969,862 | 7.77 | $51,078,521 | 30-Sep-09 | | Barclays Global Investors UK Holdings Ltd | 1,813,735 | 7.16 | $47,030,148 | 30-Sep-09 | | WELLINGTON MANAGEMENT COMPANY, LLP | 1,692,533 | 6.68 | $43,887,380 | 30-Sep-09 | | VANGUARD GROUP, INC. (THE) | 1,451,752 | 5.73 | $37,643,929 | 30-Sep-09 | | NEXT CENTURY GROWTH INVESTORS LLC | 1,319,554 | 5.21 | $34,216,035 | 30-Sep-09 | | TURNER INVESTMENT PARTNERS, INC. | 1,255,948 | 4.95 | $32,566,731 | 30-Sep-09 | | OAK RIDGE INVESTMENTS, LLC | 1,136,571 | 4.48 | $29,471,286 | 30-Sep-09 | | Bank of New York Mellon Corporation | 783,301 | 3.09 | $20,310,994 | 30-Sep-09 | | Trafelet Capital Management LP | 724,867 | 2.86 | $18,795,801 | 30-Sep-09 |
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| Holder | Shares | % Out | Value* | Reported | | COLUMBIA ACORN FD | 1,500,000 | 5.92 | $38,895,000 | 30-Sep-09 | | PIONEER OAK RIDGE SMALL CAP GROWTH FUND | 433,080 | 1.71 | $9,800,600 | 31-Aug-09 | | Pioneer Ser Tr I-Poneer Select Mid Cap Growth Fund | 349,100 | 1.38 | $7,900,133 | 31-Aug-09 | | ISHARES RUSSELL 2000 INDEX FD | 338,911 | 1.34 | $8,733,736 | 31-Oct-09 | | ISHARES S&P SMALLCAP 600 INDEX FD | 329,614 | 1.30 | $8,494,152 | 31-Oct-09 | | VANGUARD STRATEGIC EQUITY FUND | 310,939 | 1.23 | $6,933,939 | 30-Jun-09 | | Eagle Series Tr-Eagle Small Cap Growth Fund | 301,667 | 1.19 | $7,822,225 | 30-Sep-09 | | VANGUARD TOTAL STOCK MARKET INDEX FUND | 286,002 | 1.13 | $6,377,844 | 30-Jun-09 | | COLUMBIA ACORN USA FD | 284,313 | 1.12 | $7,372,236 | 30-Sep-09 | | VANGUARD SMALL-CAP INDEX FUND | 283,315 | 1.12 | $6,317,924 | 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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