| TOP INSTITUTIONAL HOLDERS |
| Holder | Shares | % Out | Value* | Reported | | Barclays Global Investors UK Holdings Ltd | 3,408,387 | 6.96 | $75,734,359 | 30-Sep-09 | | COLUMBIA WANGER ASSET MANAGEMENT, L.P. | 3,322,900 | 6.79 | $73,834,838 | 30-Sep-09 | | PRICE (T.ROWE) ASSOCIATES INC | 2,951,041 | 6.03 | $65,572,131 | 30-Sep-09 | | TIMES SQUARE CAPITAL MANAGEMENT | 2,735,924 | 5.59 | $60,792,231 | 30-Sep-09 | | WELLINGTON MANAGEMENT COMPANY, LLP | 2,428,396 | 4.96 | $53,958,959 | 30-Sep-09 | | VANGUARD GROUP, INC. (THE) | 2,111,617 | 4.31 | $46,920,129 | 30-Sep-09 | | FBR Capital Markets Corporation | 1,923,000 | 3.93 | $42,729,060 | 30-Sep-09 | | ROYCE & ASSOCIATES, LLC | 1,772,800 | 3.62 | $39,391,616 | 30-Sep-09 | | P2 Capital Partners, LLC | 1,642,714 | 3.36 | $36,501,105 | 30-Sep-09 | | BAILLIE GIFFORD AND COMPANY | 5,885,848 | 12.02 | $130,783,542 | 30-Sep-09 |
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| Holder | Shares | % Out | Value* | Reported | | COLUMBIA ACORN FD | 2,600,000 | 5.31 | $43,056,000 | 30-Jun-09 | | FBR Focus Fund | 1,923,000 | 3.93 | $45,498,180 | 31-Jul-09 | | ROYCE PREMIER FUND | 1,811,400 | 3.70 | $29,996,784 | 30-Jun-09 | | PRICE (T.ROWE) SMALL-CAP VALUE FUND | 935,000 | 1.91 | $20,775,700 | 30-Sep-09 | | PRICE (T.ROWE) SMALL CAP STOCK FUND | 887,500 | 1.81 | $19,720,250 | 30-Sep-09 | | JP MORGAN SMALL CAP EQUITY FUND | 739,097 | 1.51 | $16,422,735 | 30-Sep-09 | | ISHARES RUSSELL 2000 INDEX FD | 710,737 | 1.45 | $15,792,576 | 30-Sep-09 | | WASATCH CORE GROWTH FUND | 635,234 | 1.30 | $10,519,475 | 30-Jun-09 | | ISHARES S&P SMALLCAP 600 INDEX FD | 631,273 | 1.29 | $12,360,325 | 31-Oct-09 | | VANGUARD SMALL-CAP INDEX FUND | 585,496 | 1.20 | $9,695,813 | 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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