| TOP INSTITUTIONAL HOLDERS |
| Holder | Shares | % Out | Value* | Reported | | POTOMAC CAPITAL MANAGEMENT, INC. | 7,024,572 | 4.34 | $7,867,520 | 30-Sep-09 | | Vicis Capital, LLC | 28,604,759 | 17.67 | $32,037,330 | 30-Sep-09 | | JANA PARTNERS LLC | 25,298,102 | 15.63 | $28,333,874 | 30-Sep-09 | | Verition Fund Management, LLC | 1,168,219 | .72 | $1,308,405 | 30-Sep-09 | | MILLENNIUM MANAGEMENT LLC | 1,040,000 | .64 | $1,164,800 | 30-Sep-09 | | VANGUARD GROUP, INC. (THE) | 531,754 | .33 | $595,564 | 30-Sep-09 | | GEODE CAPITAL MANAGEMENT, LLC | 165,301 | .10 | $185,137 | 30-Sep-09 | | Bank of New York Mellon Corporation | 125,000 | .08 | $140,000 | 30-Sep-09 | | RENAISSANCE TECHNOLOGIES, LLC | 120,200 | .07 | $134,624 | 30-Sep-09 | | DIMENSIONAL FUND ADVISORS LP | 115,661 | .07 | $129,540 | 30-Sep-09 |
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| Holder | Shares | % Out | Value* | Reported | | VANGUARD EXTENDED MARKET INDEX FUND | 259,120 | .16 | $160,654 | 30-Jun-09 | | SPARTAN EXTENDED MARKET INDEX FUND | 165,301 | .10 | $185,137 | 30-Sep-09 | | DFA U.S. Core Equity 2 Portfolio | 31,961 | .02 | $15,980 | 30-Apr-09 | | DFA U.S. Vector Equity Portfolio | 7,300 | .00 | $3,650 | 30-Apr-09 | | QUANTITATIVE MASTER SERIES TR-EXTENDED MARKET INDEX SERI | 1,900 | .00 | $1,178 | 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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