| TOP INSTITUTIONAL HOLDERS |
| Holder | Shares | % Out | Value* | Reported | | BLAIR (WILLIAM) & COMPANY, L.L.C. | 2,546,422 | 6.06 | $165,542,894 | 30-Sep-09 | | Barclays Global Investors UK Holdings Ltd | 1,827,483 | 4.35 | $118,804,669 | 30-Sep-09 | | RAINIER INVESTMENT MANAGEMENT | 1,589,130 | 3.78 | $103,309,341 | 30-Sep-09 | | LATEEF INVESTEMENT MANAGEMENT | 1,529,510 | 3.64 | $89,002,186 | 30-Jun-09 | | VANGUARD GROUP, INC. (THE) | 1,455,397 | 3.46 | $94,615,358 | 30-Sep-09 | | FMR LLC | 1,320,177 | 3.14 | $85,824,706 | 30-Sep-09 | | MUNDER CAPITAL MANAGEMENT, INC. | 1,290,663 | 3.07 | $83,906,001 | 30-Sep-09 | | MASSACHUSETTS FINANCIAL SERVICES CO - OTHER | 1,192,457 | 2.84 | $77,521,629 | 30-Sep-09 | | FRANKLIN RESOURCES, INC | 1,159,091 | 2.76 | $75,352,505 | 30-Sep-09 | | ATLANTA CAPITAL MANAGEMENT COMPANY LLC | 1,106,136 | 2.63 | $71,909,901 | 30-Sep-09 |
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| Holder | Shares | % Out | Value* | Reported | | NICHOLAS FUND INC | 900,000 | 2.14 | $52,371,000 | 30-Jun-09 | | RAINIER SMALL/MIDCAP EQUITY PORTFOLIO | 785,520 | 1.87 | $45,709,408 | 30-Jun-09 | | FRANKLIN STRATEGIC SERIES-FRANKLIN SMALL-MID CAP GROWTH | 775,300 | 1.84 | $50,402,253 | 30-Sep-09 | | Fidelity Small Cap Value Fund | 570,000 | 1.36 | $37,631,400 | 31-Jul-09 | | THORNBURG CORE GROWTH FUND | 543,589 | 1.29 | $31,631,443 | 30-Jun-09 | | ROYCE PREMIER FUND | 500,000 | 1.19 | $29,095,000 | 30-Jun-09 | | RS INVESTMENT TRUST-PARTNERS FUND | 462,193 | 1.10 | $30,047,166 | 30-Sep-09 | | MERIDIAN GROWTH FUND | 458,400 | 1.09 | $29,800,584 | 30-Sep-09 | | VANGUARD MID-CAP INDEX FUND | 432,932 | 1.03 | $25,192,313 | 30-Jun-09 | | PRICE (T.ROWE) SMALL CAP STOCK FUND | 419,100 | 1.00 | $27,245,691 | 30-Sep-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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