| TOP INSTITUTIONAL HOLDERS |
| Holder | Shares | % Out | Value* | Reported | | WELLINGTON MANAGEMENT COMPANY, LLP | 5,260,891 | 7.60 | $115,529,166 | 30-Sep-09 | | RCM CAPITAL MANAGEMENT | 3,728,050 | 5.39 | $81,867,978 | 30-Sep-09 | | Barclays Global Investors UK Holdings Ltd | 2,813,461 | 4.07 | $61,783,603 | 30-Sep-09 | | WADDELL & REED FINANCIAL INC. | 2,435,696 | 3.52 | $53,487,884 | 30-Sep-09 | | VANGUARD GROUP, INC. (THE) | 2,207,952 | 3.19 | $48,486,625 | 30-Sep-09 | | ARTISAN PARTNERS LIMITED PARTNERSHIP | 1,633,400 | 2.36 | $35,869,464 | 30-Sep-09 | | WELLS FARGO & COMPANY | 1,601,449 | 2.31 | $35,167,820 | 30-Sep-09 | | AXA | 1,426,684 | 2.06 | $31,329,980 | 30-Sep-09 | | FMR LLC | 8,137,200 | 11.76 | $178,692,912 | 30-Sep-09 | | NEXT CENTURY GROWTH INVESTORS LLC | 1,211,075 | 1.75 | $26,595,207 | 30-Sep-09 |
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| Holder | Shares | % Out | Value* | Reported | | SELIGMAN COMMUNICATIONS AND INFORMATION FUND INC | 1,650,747 | 2.39 | $38,280,822 | 30-Jun-09 | | FIDELITY OTC PORTFOLIO | 1,431,900 | 2.07 | $31,444,524 | 30-Sep-09 | | Allianz Fds-RCM Technology Fd | 1,341,775 | 1.94 | $25,869,422 | 31-Aug-09 | | VANGUARD EXPLORER FUND, INC. | 1,276,800 | 1.84 | $25,548,768 | 31-Jul-09 | | FIDELITY GROWTH COMPANY FUND | 1,275,000 | 1.84 | $27,999,000 | 30-Sep-09 | | FIDELITY INDEPENDENCE FUND | 1,000,000 | 1.45 | $21,960,000 | 30-Sep-09 | | VARIABLE INSURANCE PRODUCTS FD-GROWTH PORTFOLIO | 847,472 | 1.22 | $18,610,485 | 30-Sep-09 | | ISHARES RUSSELL 2000 INDEX FD | 804,432 | 1.16 | $17,665,326 | 30-Sep-09 | | PIONEER INDEPENDENCE FUND | 792,140 | 1.14 | $18,369,726 | 30-Jun-09 | | FIDELITY ADVISOR EQUITY GROWTH FUND | 752,081 | 1.09 | $16,515,698 | 30-Sep-09 |
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Value shown is computed using the security's price on the report date given.
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