| TOP INSTITUTIONAL HOLDERS |
| Holder | Shares | % Out | Value* | Reported | | PENNANT CAPITAL MANAGEMENT, LLC | 3,720,303 | 7.67 | $185,308,292 | 30-Sep-09 | | Tiger Global Management, LLC | 2,796,597 | 5.77 | $139,298,496 | 30-Sep-09 | | BLAIR (WILLIAM) & COMPANY, L.L.C. | 2,403,559 | 4.96 | $119,721,273 | 30-Sep-09 | | TIMES SQUARE CAPITAL MANAGEMENT | 2,332,300 | 4.81 | $116,171,863 | 30-Sep-09 | | JANUS CAPITAL MANAGEMENT, LLC | 1,874,846 | 3.87 | $93,386,079 | 30-Sep-09 | | VANGUARD GROUP, INC. (THE) | 1,804,234 | 3.72 | $89,868,895 | 30-Sep-09 | | Capital World Investors | 1,491,000 | 3.08 | $74,266,710 | 30-Sep-09 | | BAMCO INC. | 1,400,000 | 2.89 | $69,734,000 | 30-Sep-09 | | PRICE (T.ROWE) ASSOCIATES INC | 1,391,400 | 2.87 | $69,305,634 | 30-Sep-09 | | MATRIX CAPITAL MANAGEMENT | 1,228,656 | 2.53 | $61,199,355 | 30-Sep-09 |
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| Holder | Shares | % Out | Value* | Reported | | BARON SMALL CAP FUND | 1,400,000 | 2.89 | $50,680,000 | 30-Jun-09 | | AMERICAN FDS INSURANCE SER-GROWTH FD | 1,288,000 | 2.66 | $64,155,280 | 30-Sep-09 | | JP MORGAN SMALL CAP EQUITY FUND | 693,929 | 1.43 | $34,564,603 | 30-Sep-09 | | FIDELITY MAGELLAN FUND INC | 500,000 | 1.03 | $24,905,000 | 30-Sep-09 | | VANGUARD SMALL-CAP INDEX FUND | 470,208 | .97 | $17,021,529 | 30-Jun-09 | | AIM SMALL CAP GROWTH FUND | 385,332 | .79 | $19,193,386 | 30-Sep-09 | | JANUS ENTERPRISE FUND | 377,335 | .78 | $18,795,056 | 30-Sep-09 | | VANGUARD TOTAL STOCK MARKET INDEX FUND | 358,758 | .74 | $12,987,039 | 30-Jun-09 | | ING VARIABLE PRODUCTS-ING GROWTH & INCOME PORTFOLIO | 325,103 | .67 | $11,768,728 | 30-Jun-09 | | VANGUARD SMALL-CAP GROWTH INDEX FUND | 297,607 | .61 | $10,773,373 | 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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