| TOP INSTITUTIONAL HOLDERS |
| Holder | Shares | % Out | Value* | Reported | | Apollo Medical Fund Management, LLC | 1,424,542 | 3.39 | $1,125,388 | 31-Dec-08 | | Apollo Equity Management, Inc. | 489,186 | 1.16 | $386,456 | 31-Dec-08 | | FRADD, BRANDON | 280,713 | .67 | $221,763 | 31-Dec-08 | | CALPERS (CALIFORNIA-PUBLIC EMPLOYEES RETIREMENT SYSTEM) | 116,400 | .28 | $118,728 | 30-Jun-09 | | NORTH AMERICAN MANAGEMENT COMPANY | 59,500 | .14 | $45,220 | 30-Sep-09 | | JAMISON, EATON & WOOD, INC. | 27,400 | .07 | $20,824 | 30-Sep-09 | | Chronim Investments, Inc. | 5,000 | .01 | $3,950 | 31-Dec-08 | | Ameriprise Financial, Inc. | 3,000 | .01 | $2,280 | 30-Sep-09 | | Hite Fusion Fund, LLC | 213 | .00 | $168 | 31-Dec-08 |
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| Holder | Shares | % Out | Value* | Reported | | DFA U.S. SMALL CAP VALUE SERIES | 403,337 | .96 | $213,768 | 30-Apr-09 | | SPARTAN EXTENDED MARKET INDEX FUND | 22,624 | .05 | $17,194 | 30-Sep-09 | | VANGUARD INSTITUTIONAL INDEX-INST TOTAL STOCK MARKET IND | 17,560 | .04 | $11,940 | 31-Mar-09 | | DFA U.S. Core Equity 2 Portfolio | 15,800 | .04 | $8,374 | 30-Apr-09 | | SA FDS INV TR-U.S. SMALL COMPANY FD | 6,080 | .01 | $6,201 | 30-Jun-09 | | QUANTITATIVE MASTER SERIES TR-EXTENDED MARKET INDEX SERI | 4,800 | .01 | $4,896 | 30-Jun-09 | | SPARTAN TOTAL MARKET INDEX FUND | 3,941 | .01 | $2,995 | 30-Sep-09 | | VANTAGEPOINT MID/SMALL COMPANY INDEX FUND | 3,412 | .01 | $3,480 | 30-Jun-09 | | DFA U.S. Core Equity 1 Portfolio | 2,600 | .01 | $1,378 | 30-Apr-09 | | DFA U.S. MICRO CAP SERIES | 2,065 | .00 | $1,094 | 30-Apr-09 |
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Value shown is computed using the security's price on the report date given.
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