| TOP INSTITUTIONAL HOLDERS |
| Holder | Shares | % Out | Value* | Reported | | WELLINGTON MANAGEMENT COMPANY, LLP | 8,454,560 | 8.41 | $118,617,476 | 30-Sep-09 | | Barclays Global Investors UK Holdings Ltd | 4,740,339 | 4.72 | $66,506,956 | 30-Sep-09 | | FEDERATED INVESTORS, INC. | 4,706,434 | 4.68 | $66,031,269 | 30-Sep-09 | | OPPENHEIMER FUNDS, INC. | 4,704,476 | 4.68 | $66,003,798 | 30-Sep-09 | | COLUMBIA WANGER ASSET MANAGEMENT, L.P. | 4,258,100 | 4.24 | $59,741,143 | 30-Sep-09 | | PRICE (T.ROWE) ASSOCIATES INC | 3,494,320 | 3.48 | $49,025,309 | 30-Sep-09 | | VANGUARD GROUP, INC. (THE) | 3,291,509 | 3.27 | $46,179,871 | 30-Sep-09 | | STATE STREET CORPORATION | 2,877,499 | 2.86 | $40,371,310 | 30-Sep-09 | | BAKER BROTHERS ADVISORS, LLC | 15,970,287 | 15.89 | $224,063,126 | 30-Sep-09 | | FMR LLC | 14,682,934 | 14.61 | $206,001,564 | 30-Sep-09 |
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| Holder | Shares | % Out | Value* | Reported | | FIDELITY GROWTH COMPANY FUND | 9,166,667 | 9.12 | $128,608,338 | 30-Sep-09 | | COLUMBIA ACORN FD | 3,834,516 | 3.81 | $37,271,495 | 30-Jun-09 | | OPPENHEIMER GLOBAL FUND | 2,717,868 | 2.70 | $26,417,676 | 30-Jun-09 | | FEDERATED KAUFMANN FUND | 2,596,500 | 2.58 | $31,287,825 | 31-Jul-09 | | FIDELITY CONTRAFUND INC | 1,855,976 | 1.85 | $26,039,343 | 30-Sep-09 | | VANGUARD EXPLORER FUND, INC. | 1,649,904 | 1.64 | $19,881,343 | 31-Jul-09 | | FIDELITY OTC PORTFOLIO | 1,465,403 | 1.46 | $20,559,604 | 30-Sep-09 | | PRICE (T.ROWE) NEW HORIZONS FUND | 1,319,300 | 1.31 | $18,509,779 | 30-Sep-09 | | FIDELITY ADVISOR GROWTH OPPORTUNITIES FUND | 1,269,910 | 1.26 | $17,816,837 | 30-Sep-09 | | ISHARES RUSSELL 2000 INDEX FD | 1,222,965 | 1.22 | $17,158,198 | 30-Sep-09 |
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Value shown is computed using the security's price on the report date given.
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