| TOP INSTITUTIONAL HOLDERS |
| Holder | Shares | % Out | Value* | Reported | | DIMENSIONAL FUND ADVISORS LP | 686,076 | 2.78 | $5,131,848 | 30-Sep-09 | | Barclays Global Investors UK Holdings Ltd | 282,396 | 1.14 | $2,112,322 | 30-Sep-09 | | OBERWEIS ASSET MANAGEMENT INC. | 174,500 | .71 | $1,305,260 | 30-Sep-09 | | STATE STREET CORPORATION | 144,316 | .58 | $1,079,483 | 30-Sep-09 | | RENAISSANCE TECHNOLOGIES, LLC | 100,700 | .41 | $753,236 | 30-Sep-09 | | VANGUARD GROUP, INC. (THE) | 92,703 | .38 | $693,418 | 30-Sep-09 | | CALPERS (CALIFORNIA-PUBLIC EMPLOYEES RETIREMENT SYSTEM) | 83,600 | .34 | $572,660 | 30-Jun-09 | | AXA | 62,817 | .25 | $469,871 | 30-Sep-09 | | TIAA-CREF INVESTMENT MANAGEMENT, LLC | 55,184 | .22 | $412,776 | 30-Sep-09 | | BRIDGEWAY CAPITAL MANAGEMENT, INC. | 50,300 | .20 | $376,244 | 30-Sep-09 |
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| Holder | Shares | % Out | Value* | Reported | | DFA U.S. SMALL CAP VALUE SERIES | 267,073 | 1.08 | $1,460,889 | 30-Apr-09 | | ISHARES RUSSELL 2000 INDEX FD | 147,858 | .60 | $1,105,977 | 30-Sep-09 | | ISHARES RUSSELL 2000 GROWTH INDEX FD | 78,029 | .32 | $583,656 | 30-Sep-09 | | DFA TAX-MANAGED U.S. SMALL CAP PORTFOLIO | 51,027 | .21 | $451,588 | 31-Jul-09 | | EQ ADVISORS TRUST-EQ/SMALL COMPANY INDEX PORTFOLIO | 50,400 | .20 | $345,240 | 30-Jun-09 | | COLLEGE RETIREMENT EQUITIES FUND-STOCK ACCOUNT | 49,061 | .20 | $336,067 | 30-Jun-09 | | DFA Tax Managed U.S. Targeted Value Port | 36,300 | .15 | $321,255 | 31-Jul-09 | | VANGUARD TOTAL STOCK MARKET INDEX FUND | 34,400 | .14 | $235,640 | 30-Jun-09 | | TIAA-CREF FDS-SMALL-CAP EQUITY FUND | 31,600 | .13 | $216,460 | 30-Jun-09 | | TAMARACK MICRO CAP VALUE FD | 30,000 | .12 | $205,500 | 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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