| TOP INSTITUTIONAL HOLDERS |
| Holder | Shares | % Out | Value* | Reported | | VANGUARD GROUP, INC. (THE) | 10,843,797 | 4.97 | $77,099,396 | 30-Sep-09 | | Barclays Global Investors UK Holdings Ltd | 8,686,148 | 3.98 | $61,758,512 | 30-Sep-09 | | STATE STREET CORPORATION | 6,668,653 | 3.06 | $47,414,122 | 30-Sep-09 | | WELLINGTON MANAGEMENT COMPANY, LLP | 4,984,574 | 2.29 | $35,440,321 | 30-Sep-09 | | PRICE (T.ROWE) ASSOCIATES INC | 29,672,729 | 13.60 | $210,973,103 | 30-Sep-09 | | GAM USA, INC. | 4,272,381 | 1.96 | $30,376,628 | 30-Sep-09 | | JANUS CAPITAL MANAGEMENT, LLC | 3,657,772 | 1.68 | $26,006,758 | 30-Sep-09 | | MORGAN STANLEY | 3,441,221 | 1.58 | $24,467,081 | 30-Sep-09 | | BlackRock Advisors, LLC | 3,269,327 | 1.50 | $23,244,914 | 30-Sep-09 | | DIMENSIONAL FUND ADVISORS LP | 2,962,918 | 1.36 | $21,066,346 | 30-Sep-09 |
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| Holder | Shares | % Out | Value* | Reported | | PRICE (T.ROWE) MID CAP GROWTH FUND | 16,575,000 | 7.60 | $117,848,250 | 30-Sep-09 | | VANGUARD SMALL-CAP INDEX FUND | 2,624,171 | 1.20 | $15,010,258 | 30-Jun-09 | | VANGUARD 500 INDEX FUND | 2,114,688 | .97 | $12,096,015 | 30-Jun-09 | | VANGUARD TOTAL STOCK MARKET INDEX FUND | 2,006,141 | .92 | $11,475,126 | 30-Jun-09 | | SPDR TRUST SERIES 1 | 1,957,201 | .90 | $16,577,492 | 30-Sep-08 | | PRICE (T.ROWE) SCIENCE & TECHNOLOGY FUND | 1,928,100 | .88 | $13,708,791 | 30-Sep-09 | | COLLEGE RETIREMENT EQUITIES FUND-STOCK ACCOUNT | 1,652,936 | .76 | $9,454,793 | 30-Jun-09 | | VANGUARD INSTITUTIONAL INDEX FUND-INSTITUTIONAL INDEX FD | 1,501,759 | .69 | $8,590,061 | 30-Jun-09 | | MassMutual Select Mid Cap Growth Equity II Fund | 1,303,000 | .60 | $7,453,160 | 30-Jun-09 | | MET INVESTORS SER TR-T. ROWE PRICE MID CAP GROWTH PORT | 1,213,000 | .56 | $6,938,360 | 30-Jun-09 |
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Value shown is computed using the security's price on the report date given.
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