| TOP INSTITUTIONAL HOLDERS |
| Holder | Shares | % Out | Value* | Reported | | DISCIPLINED GROWTH INVESTORS, INC. | 986,368 | 1.26 | $286,046 | 30-Sep-09 | | BRUCE & CO, INC. | 107,410 | .14 | $31,148 | 30-Sep-09 | | BLAIR (WILLIAM) & COMPANY, L.L.C. | 15,500 | .02 | $4,495 | 30-Sep-09 | | COMMERCE BANK N.A. (MISSOURI) | 10,000 | .01 | $2,900 | 30-Sep-09 | | Ameriprise Financial, Inc. | 6,000 | .01 | $1,740 | 30-Sep-09 |
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| Holder | Shares | % Out | Value* | Reported | | BRUCE FUND INC | 107,410 | .14 | $31,148 | 30-Sep-09 | | DFA U.S. SMALL CAP SERIES | 79,900 | .10 | $38,352 | 31-Jul-09 | | DFA U.S. MICRO CAP SERIES | 35,367 | .05 | $16,976 | 31-Jul-09 | | DFA U.S. Core Equity 2 Portfolio | 9,781 | .01 | $4,694 | 31-Jul-09 | | DFA U.S. Vector Equity Portfolio | 5,900 | .01 | $2,832 | 30-Apr-09 | | DFA U.S. Core Equity 1 Portfolio | 2,664 | .00 | $1,278 | 31-Jul-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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