| TOP INSTITUTIONAL HOLDERS |
| Holder | Shares | % Out | Value* | Reported | | PRICE (T.ROWE) ASSOCIATES INC | 8,958,861 | 7.16 | $380,751,592 | 30-Sep-09 | | Capital Research Global Investors | 6,576,500 | 5.26 | $279,501,250 | 30-Sep-09 | | Barclays Global Investors UK Holdings Ltd | 4,826,432 | 3.86 | $205,123,360 | 30-Sep-09 | | AXA | 4,792,943 | 3.83 | $203,700,077 | 30-Sep-09 | | FEDERATED INVESTORS, INC. | 4,347,735 | 3.48 | $184,778,737 | 30-Sep-09 | | VANGUARD GROUP, INC. (THE) | 4,211,032 | 3.37 | $178,968,860 | 30-Sep-09 | | ARTISAN PARTNERS LIMITED PARTNERSHIP | 4,110,000 | 3.29 | $174,675,000 | 30-Sep-09 | | WESTFIELD CAPITAL MANAGEMENT COMPANY | 3,175,955 | 2.54 | $134,978,087 | 30-Sep-09 | | FMR LLC | 18,148,436 | 14.51 | $771,308,530 | 30-Sep-09 | | MORGAN STANLEY | 14,416,307 | 11.52 | $612,693,047 | 30-Sep-09 |
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| Holder | Shares | % Out | Value* | Reported | | FEDERATED KAUFMANN FUND | 4,000,000 | 3.20 | $144,560,000 | 31-Jul-09 | | PRICE (T.ROWE) MID CAP GROWTH FUND | 3,000,000 | 2.40 | $127,500,000 | 30-Sep-09 | | GROWTH FUND OF AMERICA INC | 2,950,000 | 2.36 | $125,375,000 | 30-Sep-09 | | FIDELITY GROWTH COMPANY FUND | 2,878,130 | 2.30 | $83,235,519 | 30-Nov-09 | | MORGAN STANLEY INST FD TR-MID CAP GROWTH PORT | 2,818,920 | 2.25 | $119,804,100 | 30-Sep-09 | | Van Kampen Capital Growth Fund | 2,215,550 | 1.77 | $94,160,875 | 30-Sep-09 | | ARTISAN MID-CAP FUND | 2,140,796 | 1.71 | $90,983,830 | 30-Sep-09 | | FIDELITY CONTRAFUND INC | 2,062,856 | 1.65 | $66,217,677 | 31-Oct-09 | | COLUMBIA ACORN FD | 1,700,000 | 1.36 | $72,250,000 | 30-Sep-09 | | FIDELITY SELECT PORTFOLIOS - HEALTH CARE | 1,562,185 | 1.25 | $45,178,390 | 30-Nov-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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