| TOP INSTITUTIONAL HOLDERS |
| Holder | Shares | % Out | Value* | Reported | | DIMENSIONAL FUND ADVISORS LP | 4,347,988 | 6.52 | $43,436,400 | 30-Sep-09 | | Kingdom Ridge Capital, L.L.C. | 3,483,194 | 5.23 | $34,797,108 | 30-Sep-09 | | Barclays Global Investors UK Holdings Ltd | 3,291,819 | 4.94 | $32,885,271 | 30-Sep-09 | | VANGUARD GROUP, INC. (THE) | 3,033,846 | 4.55 | $30,308,121 | 30-Sep-09 | | AXA | 2,789,923 | 4.19 | $27,871,330 | 30-Sep-09 | | NEXT CENTURY GROWTH INVESTORS LLC | 2,363,640 | 3.55 | $23,612,763 | 30-Sep-09 | | ALKEON CAPITAL MANAGEMENT LLC | 1,767,222 | 2.65 | $17,654,547 | 30-Sep-09 | | RENAISSANCE TECHNOLOGIES, LLC | 1,722,536 | 2.58 | $17,208,134 | 30-Sep-09 | | GOLDMAN SACHS GROUP INC | 1,545,313 | 2.32 | $15,437,676 | 30-Sep-09 | | FMR LLC | 9,937,915 | 14.91 | $99,279,770 | 30-Sep-09 |
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| Holder | Shares | % Out | Value* | Reported | | FIDELITY MID-CAP STOCK FUND | 6,500,000 | 9.75 | $48,295,000 | 30-Nov-09 | | FIDELITY PURITAN FUND INC | 2,322,930 | 3.49 | $17,259,369 | 30-Nov-09 | | DFA U.S. SMALL CAP VALUE SERIES | 1,142,158 | 1.71 | $9,879,666 | 31-Jul-09 | | ADVANTAGE ADVISERS XANTHUS FUND, LLC | 1,024,856 | 1.54 | $10,238,311 | 30-Sep-09 | | VANGUARD EXPLORER FUND, INC. | 954,745 | 1.43 | $8,258,544 | 31-Jul-09 | | ISHARES RUSSELL 2000 INDEX FD | 847,940 | 1.27 | $6,300,194 | 30-Nov-09 | | VANGUARD SMALL-CAP INDEX FUND | 797,959 | 1.20 | $6,487,406 | 30-Jun-09 | | DFA U.S. MICRO CAP SERIES | 660,413 | .99 | $5,712,572 | 31-Jul-09 | | VANGUARD SMALL-CAP GROWTH INDEX FUND | 545,085 | .82 | $5,445,399 | 30-Sep-09 | | VARIABLE INSURANCE PRODUCTS FD II-CONTRAFUND PORTFOLIO | 538,571 | .81 | $4,001,582 | 30-Nov-09 |
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Value shown is computed using the security's price on the report date given.
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