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| Index Components as of: 02/08/10 |  | |
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| Company Name | Symbol | % Weighting |
|---|---|---|
| Affymetrix Inc | AFFX | 5.99% |
| Amylin Pharmaceuticals Inc. | AMLN | 5.53% |
| InterMune Inc. | ITMN | 5.45% |
| Cephalon Inc | CEPH | 5.26% |
| Amgen Inc | AMGN | 5.22% |
| Genzyme Corp | GENZ | 5.21% |
| Gilead Sciences | GILD | 5.17% |
| OSI Pharmaceuticals Inc | OSIP | 5.03% |
| Biogen Idec | BIIB | 4.98% |
| Alexion Pharmaceuticals Inc. | ALXN | 4.96% |
| N.A. | SQNM | 4.92% |
| Nektar Therapeutics | NKTR | 4.86% |
| Celgene Corp | CELG | 4.86% |
| Millipore Corp | MIL | 4.79% |
| Vertex Pharmaceuticals | VRTX | 4.76% |
| Lifeline Systems Inc. | LIFE | 4.75% |
| Illumina Inc | ILMN | 4.67% |
| Myriad Genetics Inc. | MYGN | 4.64% |
| Human Genome Sciences | HGSI | 4.50% |
| Applera Corp-Celera Genomics | CRA | 4.46% |
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