| TOP INSTITUTIONAL HOLDERS |
| Holder | Shares | % Out | Value* | Reported | | DIMENSIONAL FUND ADVISORS LP | 2,674,664 | 8.06 | $13,721,026 | 30-Sep-09 | | Barclays Global Investors UK Holdings Ltd | 2,156,649 | 6.50 | $11,063,609 | 30-Sep-09 | | CUMBERLAND ASSOCIATES LLC | 2,111,624 | 6.36 | $10,832,631 | 30-Sep-09 | | VANGUARD GROUP, INC. (THE) | 1,545,501 | 4.66 | $7,928,420 | 30-Sep-09 | | STATE STREET CORPORATION | 665,043 | 2.00 | $3,411,670 | 30-Sep-09 | | PABRAI, MOHNISH | 5,655,201 | 17.04 | $29,011,181 | 30-Sep-09 | | NORTHERN TRUST CORPORATION | 589,221 | 1.77 | $2,598,464 | 30-Jun-09 | | GILDER, GAGNON, HOWE & CO. | 580,755 | 1.75 | $2,979,273 | 30-Sep-09 | | WELLINGTON MANAGEMENT COMPANY, LLP | 518,200 | 1.56 | $2,658,366 | 30-Sep-09 | | Bank of New York Mellon Corporation | 282,106 | .85 | $1,447,203 | 30-Sep-09 |
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| Holder | Shares | % Out | Value* | Reported | | DFA U.S. SMALL CAP VALUE SERIES | 827,478 | 2.49 | $4,220,137 | 30-Apr-09 | | ISHARES RUSSELL 2000 INDEX FD | 486,350 | 1.47 | $2,494,975 | 30-Sep-09 | | VANGUARD SMALL-CAP INDEX FUND | 402,818 | 1.21 | $1,776,427 | 30-Jun-09 | | VANGUARD TOTAL STOCK MARKET INDEX FUND | 352,251 | 1.06 | $1,553,426 | 30-Jun-09 | | DFA U.S. MICRO CAP SERIES | 298,989 | .90 | $1,524,843 | 30-Apr-09 | | VANGUARD EXTENDED MARKET INDEX FUND | 278,047 | .84 | $1,226,187 | 30-Jun-09 | | ISHARES RUSSELL 2000 VALUE INDEX FD | 274,506 | .83 | $1,408,215 | 30-Sep-09 | | VANGUARD SMALL CAP VALUE INDEX FUND | 258,827 | .78 | $1,141,427 | 30-Jun-09 | | COLLEGE RETIREMENT EQUITIES FUND-STOCK ACCOUNT | 165,611 | .50 | $730,344 | 30-Jun-09 | | Vanguard Energy Index Fund | 118,791 | .36 | $626,028 | 31-May-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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