| TOP INSTITUTIONAL HOLDERS |
| Holder | Shares | % Out | Value* | Reported | | PRICE (T.ROWE) ASSOCIATES INC | 1,388,250 | 6.51 | $35,858,497 | 30-Sep-09 | | CITADEL LIMITED PARTNERSHIP | 1,264,021 | 5.93 | $32,649,662 | 30-Sep-09 | | BAMCO INC. | 1,250,000 | 5.86 | $32,287,500 | 30-Sep-09 | | Barclays Global Investors UK Holdings Ltd | 1,081,569 | 5.07 | $27,936,927 | 30-Sep-09 | | WENTWORTH, HAUSER AND VIOLICH | 911,775 | 4.28 | $23,551,148 | 30-Sep-09 | | VANGUARD GROUP, INC. (THE) | 773,614 | 3.63 | $19,982,449 | 30-Sep-09 | | WESTFIELD CAPITAL MANAGEMENT COMPANY | 664,170 | 3.12 | $17,155,511 | 30-Sep-09 | | WELLINGTON MANAGEMENT COMPANY, LLP | 549,500 | 2.58 | $14,193,585 | 30-Sep-09 | | WS CAPITAL MANAGEMENT, L.P. | 539,000 | 2.53 | $13,922,370 | 30-Sep-09 | | Crestwood Capital Management, L.P. | 450,000 | 2.11 | $11,623,500 | 30-Sep-09 |
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| Holder | Shares | % Out | Value* | Reported | | BARON SMALL CAP FUND | 1,250,000 | 5.86 | $32,287,500 | 30-Sep-09 | | PRICE (T.ROWE) NEW HORIZONS FUND | 971,900 | 4.56 | $25,104,177 | 30-Sep-09 | | ISHARES RUSSELL 2000 INDEX FD | 287,424 | 1.35 | $6,668,236 | 31-Oct-09 | | VANGUARD SMALL-CAP INDEX FUND | 231,600 | 1.09 | $10,706,868 | 30-Jun-09 | | VANGUARD EXPLORER FUND, INC. | 205,700 | .97 | $9,122,795 | 31-Jul-09 | | VANGUARD TOTAL STOCK MARKET INDEX FUND | 182,252 | .86 | $8,425,509 | 30-Jun-09 | | ISHARES RUSSELL 2000 GROWTH INDEX FD | 162,490 | .76 | $3,769,768 | 31-Oct-09 | | Thornburg Investment Trust-Thornburg Global Opportunities Fu | 155,500 | .73 | $4,016,565 | 30-Sep-09 | | VANGUARD SMALL-CAP GROWTH INDEX FUND | 146,481 | .69 | $6,771,816 | 30-Jun-09 | | VANGUARD EXTENDED MARKET INDEX FUND | 131,027 | .61 | $6,057,378 | 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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