| TOP INSTITUTIONAL HOLDERS |
| Holder | Shares | % Out | Value* | Reported | | SAROFIM, FAYEZ | 942,500 | 2.74 | $1,121,575 | 30-Jun-09 | | STEELHEAD PARTNERS, LLC | 5,480,012 | 15.94 | $6,740,414 | 30-Sep-09 | | Geologic Resource Partners LLC | 4,801,110 | 13.96 | $5,905,365 | 30-Sep-09 | | VANGUARD GROUP, INC. (THE) | 492,889 | 1.43 | $606,253 | 30-Sep-09 | | BRIDGEWAY CAPITAL MANAGEMENT, INC. | 419,778 | 1.22 | $516,326 | 30-Sep-09 | | DIMENSIONAL FUND ADVISORS LP | 326,451 | .95 | $401,534 | 30-Sep-09 | | RENAISSANCE TECHNOLOGIES, LLC | 281,500 | .82 | $346,245 | 30-Sep-09 | | TRELLUS MANAGEMENT COMPANY, LLC | 279,100 | .81 | $343,293 | 30-Sep-09 | | NORTHERN TRUST CORPORATION | 217,390 | .63 | $258,694 | 30-Jun-09 | | BARCLAYS PLC | 181,550 | .53 | $223,306 | 30-Sep-09 |
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| Holder | Shares | % Out | Value* | Reported | | BRIDGEWAY FDS INC-ULTRA SMALL COMPANY MARKET FD | 419,778 | 1.22 | $499,535 | 30-Jun-09 | | VANGUARD TOTAL STOCK MARKET INDEX FUND | 154,603 | .45 | $183,977 | 30-Jun-09 | | VANGUARD EXTENDED MARKET INDEX FUND | 150,364 | .44 | $178,933 | 30-Jun-09 | | DFA U.S. MICRO CAP SERIES | 145,689 | .42 | $179,197 | 30-Apr-09 | | Embarcadero Small Cap Growth Fund | 66,419 | .19 | $79,038 | 30-Jun-09 | | DFA U.S. SMALL CAP SERIES | 61,920 | .18 | $76,161 | 30-Apr-09 | | ISHARES Russell Micro Cap (TM) Index Fund | 54,011 | .16 | $66,433 | 30-Sep-09 | | SPARTAN EXTENDED MARKET INDEX FUND | 29,899 | .09 | $36,775 | 30-Sep-09 | | DFA U.S. Core Equity 2 Portfolio | 19,000 | .06 | $23,370 | 30-Apr-09 | | ProShares Tr-Ultra Russell 2000 ProShares Fd | 10,011 | .03 | $18,320 | 31-May-09 |
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Value shown is computed using the security's price on the report date given.
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