| TOP INSTITUTIONAL HOLDERS |
| Holder | Shares | % Out | Value* | Reported | | ROYCE & ASSOCIATES, LLC | 4,594,754 | 5.89 | $16,495,166 | 30-Sep-09 | | WELLINGTON MANAGEMENT COMPANY, LLP | 4,378,365 | 5.61 | $15,718,330 | 30-Sep-09 | | Barclays Global Investors UK Holdings Ltd | 4,028,544 | 5.16 | $14,462,472 | 30-Sep-09 | | PENNANT CAPITAL MANAGEMENT, LLC | 2,137,863 | 2.74 | $7,674,928 | 30-Sep-09 | | QVT Financial LP | 1,922,060 | 2.46 | $6,900,195 | 30-Sep-09 | | DIMENSIONAL FUND ADVISORS LP | 1,714,483 | 2.20 | $6,154,993 | 30-Sep-09 | | FEDERATED INVESTORS, INC. | 13,423,865 | 17.20 | $48,191,675 | 30-Sep-09 | | PRIMECAP MANAGEMENT COMPANY | 1,291,000 | 1.65 | $4,634,690 | 30-Sep-09 | | STATE STREET CORPORATION | 1,128,116 | 1.45 | $4,049,936 | 30-Sep-09 | | VANGUARD GROUP, INC. (THE) | 1,114,928 | 1.43 | $4,002,591 | 30-Sep-09 |
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| Holder | Shares | % Out | Value* | Reported | | ROYCE VALUE PLUS FUND | 3,388,554 | 4.34 | $7,251,505 | 30-Jun-09 | | FEDERATED KAUFMANN FUND | 11,355,088 | 14.55 | $43,035,783 | 31-Jul-09 | | FEDERATED KAUFMANN SMALL CAP FUND | 1,407,352 | 1.80 | $5,333,864 | 31-Jul-09 | | Primecap Odyssey Aggressive Growth Fund | 1,150,000 | 1.47 | $4,128,500 | 30-Sep-09 | | ISHARES RUSSELL 2000 INDEX FD | 980,834 | 1.26 | $3,521,194 | 30-Sep-09 | | ROYCE MICRO-CAP FUND | 877,484 | 1.12 | $1,877,815 | 30-Jun-09 | | VANGUARD VARIABLE INSURANCE FUND-SMALL COMPANY GROWTH | 841,000 | 1.08 | $1,799,740 | 30-Jun-09 | | ISHARES NASDAQ BIOTECHNOLOGY INDEX FUND | 671,447 | .86 | $2,108,343 | 31-Oct-09 | | LEUTHOLD CORE INVESTMENT FUND | 652,792 | .84 | $2,343,523 | 30-Sep-09 | | ISHARES RUSSELL 2000 GROWTH INDEX FD | 516,397 | .66 | $1,853,865 | 30-Sep-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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