| TOP INSTITUTIONAL HOLDERS |
| Holder | Shares | % Out | Value* | Reported | | WELLINGTON, H.G. & CO., INC. | 2,512,494 | 2.83 | $1,130,622 | 30-Sep-09 | | Barclays Global Investors UK Holdings Ltd | 794,071 | .90 | $357,331 | 30-Sep-09 | | RENAISSANCE TECHNOLOGIES, LLC | 740,959 | .84 | $333,431 | 30-Sep-09 | | VANGUARD GROUP, INC. (THE) | 660,916 | .75 | $297,412 | 30-Sep-09 | | DIMENSIONAL FUND ADVISORS LP | 280,564 | .32 | $126,253 | 30-Sep-09 | | CALPERS (CALIFORNIA-PUBLIC EMPLOYEES RETIREMENT SYSTEM) | 242,200 | .27 | $118,678 | 30-Jun-09 | | Seger-Elvekrog Inc. | 128,650 | .15 | $57,892 | 30-Sep-09 | | Geduld, Emanuel, E. | 100,000 | .11 | $45,000 | 30-Sep-09 | | NORTHERN TRUST CORPORATION | 84,302 | .10 | $41,307 | 30-Jun-09 | | Bank of New York Mellon Corporation | 50,942 | .06 | $22,923 | 30-Sep-09 |
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| Holder | Shares | % Out | Value* | Reported | | VANGUARD TOTAL STOCK MARKET INDEX FUND | 395,759 | .45 | $193,921 | 30-Jun-09 | | VANGUARD EXTENDED MARKET INDEX FUND | 176,629 | .20 | $86,548 | 30-Jun-09 | | DFA U.S. SMALL CAP SERIES | 102,180 | .12 | $39,850 | 30-Apr-09 | | VANGUARD BALANCED INDEX FUND | 53,110 | .06 | $26,023 | 30-Jun-09 | | SPARTAN EXTENDED MARKET INDEX FUND | 24,230 | .03 | $10,903 | 30-Sep-09 | | VANGUARD INSTITUTIONAL INDEX-INST TOTAL STOCK MARKET IND | 23,118 | .03 | $10,171 | 31-Mar-09 | | DFA U.S. MICRO CAP SERIES | 17,684 | .02 | $6,896 | 30-Apr-09 | | FIDELITY NASDAQ COMPOSITE INDEX TRACKING STOCK | 4,971 | .01 | $2,236 | 30-Sep-09 | | FIDELITY NASDAQ COMPOSITE INDEX FUND | 4,673 | .01 | $2,102 | 30-Sep-09 | | DFA U.S. Core Equity 2 Portfolio | 4,300 | .00 | $1,677 | 30-Apr-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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