| TOP INSTITUTIONAL HOLDERS |
| Holder | Shares | % Out | Value* | Reported | | DIMENSIONAL FUND ADVISORS LP | 534,795 | 5.23 | $1,406,510 | 30-Sep-09 | | VANGUARD GROUP, INC. (THE) | 174,192 | 1.70 | $458,124 | 30-Sep-09 | | PERRITT CAPITAL MANAGEMENT, INC. | 112,502 | 1.10 | $295,880 | 30-Sep-09 | | RENAISSANCE TECHNOLOGIES, LLC | 104,400 | 1.02 | $274,572 | 30-Sep-09 | | Barclays Global Investors UK Holdings Ltd | 74,205 | .73 | $195,159 | 30-Sep-09 | | BANK OF OKLAHOMA, N.A. | 37,000 | .36 | $97,310 | 30-Sep-09 | | CALPERS (CALIFORNIA-PUBLIC EMPLOYEES RETIREMENT SYSTEM) | 29,100 | .28 | $68,385 | 30-Jun-09 | | NORTHERN TRUST CORPORATION | 28,501 | .28 | $66,977 | 30-Jun-09 | | Bank of New York Mellon Corporation | 17,329 | .17 | $45,575 | 30-Sep-09 | | UBS AG | 889 | .01 | $2,338 | 30-Sep-09 |
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| Holder | Shares | % Out | Value* | Reported | | VANGUARD EXTENDED MARKET INDEX FUND | 174,192 | 1.70 | $409,351 | 30-Jun-09 | | PERRITT EMERGING OPPORTUNITIES FUND | 112,502 | 1.10 | $295,880 | 30-Sep-09 | | DFA U.S. MICRO CAP SERIES | 85,800 | .84 | $169,026 | 30-Apr-09 | | DFA Tax Managed U.S. Targeted Value Port | 76,949 | .75 | $165,440 | 31-Jul-09 | | DFA U.S. SMALL CAP SERIES | 69,805 | .68 | $137,515 | 30-Apr-09 | | DFA U.S. SMALL CAP VALUE SERIES | 64,791 | .63 | $127,638 | 30-Apr-09 | | DFA TAX-MANAGED U.S. SMALL CAP PORTFOLIO | 27,289 | .27 | $58,671 | 31-Jul-09 | | DFA TAX MANAGED U.S. MARKETWIDE VALUE SERIES | 18,366 | .18 | $36,181 | 30-Apr-09 | | DFA U.S. Targeted Value Portfolio | 9,261 | .09 | $18,244 | 30-Apr-09 | | Principal Small Cap Value Fd II | 8,425 | .08 | $19,798 | 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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