| TOP INSTITUTIONAL HOLDERS |
| Holder | Shares | % Out | Value* | Reported | | Barclays Global Investors UK Holdings Ltd | 4,661,477 | 5.10 | $158,443,603 | 30-Sep-09 | | WELLINGTON MANAGEMENT COMPANY, LLP | 4,112,660 | 4.50 | $139,789,313 | 30-Sep-09 | | PRICE (T.ROWE) ASSOCIATES INC | 3,788,665 | 4.15 | $128,776,723 | 30-Sep-09 | | ROYCE & ASSOCIATES, LLC | 3,168,533 | 3.47 | $107,698,436 | 30-Sep-09 | | VANGUARD GROUP, INC. (THE) | 2,794,421 | 3.06 | $94,982,369 | 30-Sep-09 | | Bank of New York Mellon Corporation | 2,217,040 | 2.43 | $75,357,189 | 30-Sep-09 | | TIMES SQUARE CAPITAL MANAGEMENT | 1,951,400 | 2.14 | $66,328,086 | 30-Sep-09 | | STATE STREET CORPORATION | 1,948,581 | 2.13 | $66,232,268 | 30-Sep-09 | | MORGAN STANLEY | 1,793,295 | 1.96 | $60,954,097 | 30-Sep-09 | | FRANKLIN RESOURCES, INC | 1,485,861 | 1.63 | $50,504,415 | 30-Sep-09 |
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| Holder | Shares | % Out | Value* | Reported | | VANGUARD SPECIALIZED-HEALTH CARE FUND | 4,150,000 | 4.54 | $112,631,000 | 31-Jul-09 | | ROYCE PREMIER FUND | 2,767,900 | 3.03 | $76,892,262 | 30-Jun-09 | | PRICE (T.ROWE) MID CAP GROWTH FUND | 2,750,000 | 3.01 | $93,472,500 | 30-Sep-09 | | VANGUARD MID-CAP INDEX FUND | 825,456 | .90 | $22,931,167 | 30-Jun-09 | | FRANKLIN STRATEGIC SERIES-FRANKLIN SMALL-MID CAP GROWTH | 788,900 | .86 | $26,814,711 | 30-Sep-09 | | ISHARES NASDAQ BIOTECHNOLOGY INDEX FUND | 782,831 | .86 | $29,113,484 | 31-Oct-09 | | KEELEY SMALL CAP VALUE FUND, INC. | 750,000 | .82 | $25,492,500 | 30-Sep-09 | | VANGUARD TOTAL STOCK MARKET INDEX FUND | 725,998 | .79 | $20,168,224 | 30-Jun-09 | | MIDCAP SPDR TRUST SERIES I | 697,200 | .76 | $26,814,312 | 30-Sep-08 | | ISHARES S&P MIDCAP 400 INDEX FD | 559,889 | .61 | $20,822,271 | 31-Oct-09 |
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Value shown is computed using the security's price on the report date given.
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