| TOP INSTITUTIONAL HOLDERS |
| Holder | Shares | % Out | Value* | Reported | | FMR LLC | 5,398,084 | 6.32 | $145,154,478 | 30-Sep-09 | | BAMCO INC. | 5,038,119 | 5.89 | $135,475,019 | 30-Sep-09 | | Barclays Global Investors UK Holdings Ltd | 3,462,936 | 4.05 | $93,118,349 | 30-Sep-09 | | VANGUARD GROUP, INC. (THE) | 3,280,370 | 3.84 | $88,209,149 | 30-Sep-09 | | JP MORGAN CHASE & COMPANY | 3,058,419 | 3.58 | $82,240,886 | 30-Sep-09 | | SELECT EQUITY GROUP, INC. | 2,712,795 | 3.17 | $72,947,057 | 30-Sep-09 | | FRONTIER CAPITAL MANAGEMENT COMPANY INC | 2,463,900 | 2.88 | $66,254,271 | 30-Sep-09 | | FRANKLIN RESOURCES, INC | 2,102,023 | 2.46 | $56,523,398 | 30-Sep-09 | | Invesco Ltd. | 1,919,264 | 2.25 | $51,609,008 | 30-Sep-09 | | BAILLIE GIFFORD AND COMPANY | 10,773,326 | 12.60 | $289,694,736 | 30-Sep-09 |
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| Holder | Shares | % Out | Value* | Reported | | NEUBERGER & BERMAN GENESIS FUND | 3,620,705 | 4.24 | $97,360,757 | 30-Sep-09 | | BARON GROWTH FUND | 2,300,000 | 2.69 | $61,410,000 | 30-Jun-09 | | FIDELITY CAPITAL APPRECIATION FUND | 1,853,838 | 2.17 | $49,849,703 | 30-Sep-09 | | BARON ASSET FUND | 1,775,000 | 2.08 | $47,392,500 | 30-Jun-09 | | FRANKLIN STRATEGIC SERIES-FRANKLIN FLEX CAP GROWTH FUND | 1,500,000 | 1.75 | $40,335,000 | 30-Sep-09 | | THORNBURG CORE GROWTH FUND | 1,126,900 | 1.32 | $30,088,230 | 30-Jun-09 | | JP MORGAN MID CAP VALUE FUND | 1,081,300 | 1.27 | $29,076,157 | 30-Sep-09 | | VANGUARD SMALL-CAP INDEX FUND | 1,032,561 | 1.21 | $27,569,378 | 30-Jun-09 | | Fidelity Small Cap Value Fund | 1,015,000 | 1.19 | $25,963,700 | 31-Jul-09 | | NICHOLAS FUND INC | 920,000 | 1.08 | $24,564,000 | 30-Jun-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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