| TOP INSTITUTIONAL HOLDERS |
| Holder | Shares | % Out | Value* | Reported | | CAPITAL GUARDIAN TRUST COMPANY | 6,233,827 | 7.64 | $466,290,259 | 30-Sep-09 | | ARTISAN PARTNERS LIMITED PARTNERSHIP | 5,462,090 | 6.69 | $408,564,332 | 30-Sep-09 | | WELLINGTON MANAGEMENT COMPANY, LLP | 3,897,400 | 4.77 | $291,525,520 | 30-Sep-09 | | Barclays Global Investors UK Holdings Ltd | 3,112,233 | 3.81 | $232,795,028 | 30-Sep-09 | | VANGUARD GROUP, INC. (THE) | 2,336,682 | 2.86 | $174,783,813 | 30-Sep-09 | | PRICE (T.ROWE) ASSOCIATES INC | 2,018,865 | 2.47 | $151,011,102 | 30-Sep-09 | | TCW GROUP, INC. (THE) | 1,979,263 | 2.42 | $148,048,872 | 30-Sep-09 | | MANNING & NAPIER ADVISORS INC | 1,753,791 | 2.15 | $144,582,530 | 31-Dec-09 | | FMR LLC | 10,047,404 | 12.31 | $751,545,819 | 30-Sep-09 | | STATE STREET CORPORATION | 1,515,984 | 1.86 | $113,395,603 | 30-Sep-09 |
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| Holder | Shares | % Out | Value* | Reported | | VANGUARD SPECIALIZED-HEALTH CARE FUND | 3,250,000 | 3.98 | $211,510,000 | 31-Jul-09 | | VARIABLE INSURANCE PRODUCTS FD III-MID-CAP PORTFOLIO | 3,086,613 | 3.78 | $232,391,092 | 30-Nov-09 | | ARTISAN MID-CAP FUND | 2,823,700 | 3.46 | $211,212,760 | 30-Sep-09 | | FIDELITY CONTRAFUND INC | 2,031,702 | 2.49 | $154,490,620 | 31-Oct-09 | | FIDELITY GROWTH COMPANY FUND | 1,260,000 | 1.54 | $94,865,400 | 30-Nov-09 | | FIDELITY ADVISOR MID CAP II FUND | 833,754 | 1.02 | $62,773,338 | 30-Nov-09 | | VANGUARD MID-CAP INDEX FUND | 733,273 | .90 | $54,848,820 | 30-Sep-09 | | VANGUARD TOTAL STOCK MARKET INDEX FUND | 638,508 | .78 | $39,772,663 | 30-Jun-09 | | MIDCAP SPDR TRUST SERIES I | 618,292 | .76 | $46,248,241 | 30-Sep-09 | | PRICE (T.ROWE) MID CAP GROWTH FUND | 600,000 | .74 | $44,880,000 | 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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