| TOP INSTITUTIONAL HOLDERS |
| Holder | Shares | % Out | Value* | Reported | | FMR LLC | 18,200,493 | 8.00 | $173,996,713 | 30-Sep-09 | | PRICE (T.ROWE) ASSOCIATES INC | 14,578,750 | 6.41 | $139,372,850 | 30-Sep-09 | | VANGUARD GROUP, INC. (THE) | 10,522,587 | 4.63 | $100,595,931 | 30-Sep-09 | | WELLS FARGO & COMPANY | 10,420,151 | 4.58 | $99,616,643 | 30-Sep-09 | | BlackRock Advisors, LLC | 9,702,151 | 4.26 | $92,752,563 | 30-Sep-09 | | AXA | 7,417,071 | 3.26 | $70,907,198 | 30-Sep-09 | | TURNER INVESTMENT PARTNERS, INC. | 7,092,867 | 3.12 | $67,807,808 | 30-Sep-09 | | Barclays Global Investors UK Holdings Ltd | 6,328,004 | 2.78 | $60,495,718 | 30-Sep-09 | | American Century Companies, Inc. | 5,181,083 | 2.28 | $49,531,153 | 30-Sep-09 | | WADDELL & REED FINANCIAL INC. | 30,470,648 | 13.39 | $291,299,394 | 30-Sep-09 |
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| Holder | Shares | % Out | Value* | Reported | | IVY ASSET STRATEGY FUND | 18,126,300 | 7.97 | $144,285,348 | 30-Jun-09 | | PRICE (T.ROWE) MID CAP GROWTH FUND | 6,500,000 | 2.86 | $62,140,000 | 30-Sep-09 | | WADDELL & REED ADVISORS FDS-SCIENCE & TECHNOLOGY FUND | 5,371,200 | 2.36 | $42,754,752 | 30-Jun-09 | | VARIABLE INSURANCE PRODUCTS FD III-MID-CAP PORTFOLIO | 5,098,430 | 2.24 | $48,740,990 | 30-Sep-09 | | FIDELITY MID-CAP STOCK FUND | 5,000,000 | 2.20 | $47,800,000 | 30-Sep-09 | | WADDELL & REED ADVISORS ASSET STRATEGY FUND | 3,803,900 | 1.67 | $30,279,044 | 30-Jun-09 | | VANGUARD EXPLORER FUND, INC. | 3,407,006 | 1.50 | $31,174,104 | 31-Jul-09 | | AMERICAN CENTURY VISTA | 3,322,000 | 1.46 | $31,758,320 | 30-Sep-09 | | Blackrock Fundamental Growth Fund | 3,308,400 | 1.45 | $30,040,272 | 31-Aug-09 | | VANGUARD SMALL-CAP INDEX FUND | 2,710,895 | 1.19 | $21,578,724 | 30-Jun-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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