| TOP INSTITUTIONAL HOLDERS |
| Holder | Shares | % Out | Value* | Reported | | ROYCE & ASSOCIATES, LLC | 3,228,149 | 8.43 | $26,373,977 | 30-Sep-09 | | Barclays Global Investors UK Holdings Ltd | 2,370,052 | 6.19 | $19,363,324 | 30-Sep-09 | | MAVERICK CAPITAL LTD. | 2,199,531 | 5.74 | $17,970,168 | 30-Sep-09 | | VANGUARD GROUP, INC. (THE) | 1,548,024 | 4.04 | $12,647,356 | 30-Sep-09 | | Apollo Medical Fund Management, LLC | 1,347,203 | 3.52 | $9,214,868 | 31-Dec-08 | | Black Horse Capital Management LLC | 1,138,226 | 2.97 | $9,299,306 | 30-Sep-09 | | ARBOR CAPITAL MANAGEMENT, LLC | 1,121,500 | 2.93 | $9,162,655 | 30-Sep-09 | | BlackRock Advisors, LLC | 1,080,333 | 2.82 | $8,826,320 | 30-Sep-09 | | WELLINGTON MANAGEMENT COMPANY, LLP | 4,617,654 | 12.06 | $37,726,233 | 30-Sep-09 | | LORD ABBETT & CO | 4,233,870 | 11.06 | $34,590,717 | 30-Sep-09 |
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| Holder | Shares | % Out | Value* | Reported | | ROYCE VALUE PLUS FUND | 2,259,200 | 5.90 | $21,281,664 | 30-Jun-09 | | LORD ABBETT RESEARCH FUND, SMALL-CAP VALUE SERIES | 1,700,800 | 4.44 | $11,837,568 | 31-Aug-09 | | ROYCE LOW-PRICED STOCK FUND | 968,949 | 2.53 | $9,127,499 | 30-Jun-09 | | FEDERATED KAUFMANN FUND | 958,891 | 2.50 | $8,476,596 | 31-Jul-09 | | ISHARES RUSSELL 2000 INDEX FD | 559,729 | 1.46 | $4,572,985 | 30-Sep-09 | | VANGUARD EXPLORER FUND, INC. | 542,050 | 1.42 | $4,791,722 | 31-Jul-09 | | VANGUARD SMALL-CAP INDEX FUND | 460,936 | 1.20 | $4,342,017 | 30-Jun-09 | | ISHARES NASDAQ BIOTECHNOLOGY INDEX FUND | 382,652 | 1.00 | $2,349,483 | 31-Oct-09 | | Lord Abbett Securities Trust-Value Opportunities Fund | 378,600 | .99 | $3,346,824 | 31-Jul-09 | | VANGUARD TOTAL STOCK MARKET INDEX FUND | 358,732 | .94 | $3,379,255 | 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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