| TOP INSTITUTIONAL HOLDERS |
| Holder | Shares | % Out | Value* | Reported | | FMR LLC | 8,383,488 | 7.43 | $82,577,356 | 30-Sep-09 | | LMM, LLC | 6,900,000 | 6.12 | $67,965,000 | 30-Sep-09 | | Barclays Global Investors UK Holdings Ltd | 4,226,090 | 3.75 | $41,626,986 | 30-Sep-09 | | VANGUARD GROUP, INC. (THE) | 2,864,362 | 2.54 | $28,213,965 | 30-Sep-09 | | ORACLE INVESTMENT MANAGEMENT, INC. | 1,983,745 | 1.76 | $19,539,888 | 30-Sep-09 | | DIMENSIONAL FUND ADVISORS LP | 1,607,148 | 1.42 | $15,830,407 | 30-Sep-09 | | STATE STREET CORPORATION | 1,075,847 | .95 | $10,597,092 | 30-Sep-09 | | MORGAN STANLEY | 1,046,090 | .93 | $10,303,986 | 30-Sep-09 | | NORTHERN TRUST CORPORATION | 600,706 | .53 | $4,991,866 | 30-Jun-09 | | Cypress Funds LLC | 550,000 | .49 | $5,417,500 | 30-Sep-09 |
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| Holder | Shares | % Out | Value* | Reported | | LEGG MASON OPPORTUNITY TRUST FUND | 6,900,000 | 6.12 | $67,965,000 | 30-Sep-09 | | FIDELITY CONTRAFUND INC | 5,593,322 | 4.96 | $55,094,221 | 30-Sep-09 | | ISHARES NASDAQ BIOTECHNOLOGY INDEX FUND | 1,124,867 | 1.00 | $5,871,805 | 31-Oct-09 | | VANGUARD TOTAL STOCK MARKET INDEX FUND | 906,496 | .80 | $7,532,981 | 30-Jun-09 | | ISHARES RUSSELL 2000 INDEX FD | 849,523 | .75 | $8,367,801 | 30-Sep-09 | | VANGUARD SMALL-CAP INDEX FUND | 685,606 | .61 | $5,697,385 | 30-Jun-09 | | FIDELITY ADVISOR NEW INSIGHTS FUND | 578,927 | .51 | $5,702,430 | 30-Sep-09 | | ISHARES RUSSELL 2000 GROWTH INDEX FD | 444,538 | .39 | $4,378,699 | 30-Sep-09 | | VANGUARD SMALL-CAP GROWTH INDEX FUND | 433,050 | .38 | $3,598,645 | 30-Jun-09 | | FIDELITY GROWTH & INCOME PORTFOLIO | 420,144 | .37 | $4,138,418 | 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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