| TOP INSTITUTIONAL HOLDERS |
| Holder | Shares | % Out | Value* | Reported | | GOLDMAN CAPITAL MANAGEMENT, INC. | 4,898,356 | 7.46 | $6,318,879 | 30-Sep-09 | | KNOTT (DAVID M.) | 3,083,197 | 4.70 | $3,977,324 | 30-Sep-09 | | Barclays Global Investors UK Holdings Ltd | 1,592,363 | 2.43 | $2,054,148 | 30-Sep-09 | | VANGUARD GROUP, INC. (THE) | 1,183,999 | 1.80 | $1,527,358 | 30-Sep-09 | | DIMENSIONAL FUND ADVISORS LP | 1,072,969 | 1.63 | $1,384,130 | 30-Sep-09 | | DiamondBack Capital Management | 582,350 | .89 | $751,231 | 30-Sep-09 | | CALPERS (CALIFORNIA-PUBLIC EMPLOYEES RETIREMENT SYSTEM) | 212,800 | .32 | $274,512 | 30-Sep-09 | | Harris Financial Corp | 200,000 | .30 | $258,000 | 30-Sep-09 | | Susquehanna International Group, LLP | 174,486 | .27 | $225,086 | 30-Sep-09 | | NORTHERN TRUST CORPORATION | 138,265 | .21 | $178,361 | 30-Sep-09 |
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| Holder | Shares | % Out | Value* | Reported | | DFA U.S. SMALL CAP VALUE SERIES | 528,779 | .81 | $629,247 | 31-Jul-09 | | VANGUARD EXTENDED MARKET INDEX FUND | 478,144 | .73 | $545,084 | 30-Jun-09 | | VANGUARD TOTAL STOCK MARKET INDEX FUND | 457,088 | .70 | $521,080 | 30-Jun-09 | | ISHARES NASDAQ BIOTECHNOLOGY INDEX FUND | 447,904 | .68 | $416,550 | 31-Oct-09 | | DFA TAX-MANAGED U.S. SMALL CAP PORTFOLIO | 143,191 | .22 | $170,397 | 31-Jul-09 | | VANGUARD INSTITUTIONAL INDEX-INST TOTAL STOCK MARKET IND | 112,196 | .17 | $127,903 | 30-Jun-09 | | SPARTAN EXTENDED MARKET INDEX FUND | 71,340 | .11 | $66,346 | 31-Oct-09 | | ISHARES Russell Micro Cap (TM) Index Fund | 67,374 | .10 | $62,657 | 31-Oct-09 | | VANGUARD BALANCED INDEX FUND | 30,465 | .05 | $34,730 | 30-Jun-09 | | DFA U.S. MICRO CAP SERIES | 27,734 | .04 | $33,003 | 31-Jul-09 |
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Value shown is computed using the security's price on the report date given.
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