| TOP INSTITUTIONAL HOLDERS |
| Holder | Shares | % Out | Value* | Reported | | COLUMBIA WANGER ASSET MANAGEMENT, L.P. | 4,112,200 | 7.02 | $54,363,284 | 30-Sep-09 | | OPPENHEIMER FUNDS, INC. | 4,003,900 | 6.83 | $52,931,558 | 30-Sep-09 | | RIVERBRIDGE PARTNERS LLC | 3,658,088 | 6.24 | $48,359,923 | 30-Sep-09 | | Barclays Global Investors UK Holdings Ltd | 3,113,821 | 5.31 | $41,164,713 | 30-Sep-09 | | PRIMECAP MANAGEMENT COMPANY | 2,590,400 | 4.42 | $34,245,088 | 30-Sep-09 | | VANGUARD GROUP, INC. (THE) | 2,290,406 | 3.91 | $30,279,167 | 30-Sep-09 | | STATE STREET CORPORATION | 1,489,997 | 2.54 | $19,697,760 | 30-Sep-09 | | IRONBRIDGE CAPITAL MANAGEMENT, L.P. | 1,470,953 | 2.51 | $19,445,998 | 30-Sep-09 | | FMR LLC | 7,306,975 | 12.47 | $96,598,209 | 30-Sep-09 | | Cadian Capital Management, LLC | 1,115,000 | 1.90 | $14,740,300 | 30-Sep-09 |
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| Holder | Shares | % Out | Value* | Reported | | FIDELITY GROWTH COMPANY FUND | 5,812,775 | 9.92 | $76,844,885 | 30-Sep-09 | | OPPENHEIMER GLOBAL OPPORTUNITIES FUND | 4,000,000 | 6.83 | $37,680,000 | 30-Jun-09 | | COLUMBIA ACORN FD | 4,000,000 | 6.83 | $37,680,000 | 30-Jun-09 | | Primecap Odyssey Aggressive Growth Fund | 1,152,800 | 1.97 | $15,240,016 | 30-Sep-09 | | Primecap Odyssey Growth Fund | 1,100,100 | 1.88 | $14,543,322 | 30-Sep-09 | | ISHARES RUSSELL 2000 INDEX FD | 851,604 | 1.45 | $11,258,204 | 30-Sep-09 | | VANGUARD SMALL-CAP INDEX FUND | 705,946 | 1.20 | $6,650,011 | 30-Jun-09 | | FIDELITY OTC PORTFOLIO | 689,600 | 1.18 | $9,116,512 | 30-Sep-09 | | Alliance Bernstein Global Thematic Growth Fund | 600,200 | 1.02 | $6,344,114 | 31-Jul-09 | | FIDELITY ADVISOR GROWTH OPPORTUNITIES FUND | 498,600 | .85 | $6,591,492 | 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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