| TOP INSTITUTIONAL HOLDERS |
| Holder | Shares | % Out | Value* | Reported | | RENAISSANCE TECHNOLOGIES, LLC | 1,564,100 | 3.01 | $2,189,740 | 30-Sep-09 | | Barclays Global Investors UK Holdings Ltd | 837,280 | 1.61 | $1,172,192 | 30-Sep-09 | | KORNITZER CAPITAL MANAGEMENT, INC. | 380,000 | .73 | $532,000 | 30-Sep-09 | | FULLER & THALER ASSET MANAGEMENT INC. | 376,100 | .72 | $526,540 | 30-Sep-09 | | PNC FINANCIAL SERVICES GROUP, INC. | 376,042 | .72 | $526,458 | 30-Sep-09 | | PERRITT CAPITAL MANAGEMENT, INC. | 315,000 | .61 | $441,000 | 30-Sep-09 | | CALPERS (CALIFORNIA-PUBLIC EMPLOYEES RETIREMENT SYSTEM) | 258,600 | .50 | $287,046 | 30-Jun-09 | | UNIONBANCAL CORP | 211,066 | .41 | $295,492 | 30-Sep-09 | | OHIO-STATE TEACHERS RETIREMENT SYSTEM | 168,400 | .32 | $235,760 | 30-Sep-09 | | NORTHERN TRUST CORPORATION | 141,977 | .27 | $157,594 | 30-Jun-09 |
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| Holder | Shares | % Out | Value* | Reported | | PERRITT EMERGING OPPORTUNITIES FUND | 315,000 | .61 | $441,000 | 30-Sep-09 | | HIGHMARK COGNITIVE VALUE FUND | 211,066 | .41 | $211,066 | 31-Jul-09 | | ISHARES Russell Micro Cap (TM) Index Fund | 79,893 | .15 | $111,850 | 30-Sep-09 | | DFA INTERNATIONAL SMALL CAP VALUE PORTFOLIO | 63,477 | .12 | $47,607 | 30-Apr-09 | | Munder Energy Fund | 58,100 | .11 | $64,491 | 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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