| TOP INSTITUTIONAL HOLDERS |
| Holder | Shares | % Out | Value* | Reported | | RENAISSANCE TECHNOLOGIES, LLC | 2,746,970 | 5.50 | $7,526,697 | 30-Sep-09 | | VANGUARD GROUP, INC. (THE) | 2,364,680 | 4.74 | $6,479,223 | 30-Sep-09 | | Barclays Global Investors UK Holdings Ltd | 1,473,688 | 2.95 | $4,037,905 | 30-Sep-09 | | UBS O'CONNOR LLC | 1,046,947 | 2.10 | $2,868,634 | 30-Sep-09 | | MILLENNIUM MANAGEMENT LLC | 442,743 | .89 | $1,213,115 | 30-Sep-09 | | DIMENSIONAL FUND ADVISORS LP | 419,578 | .84 | $1,149,643 | 30-Sep-09 | | ARROWSTREET CAPITAL, LIMITED PARTNERSHIP | 359,003 | .72 | $983,668 | 30-Sep-09 | | TURNER INVESTMENT PARTNERS, INC. | 337,170 | .68 | $923,845 | 30-Sep-09 | | NEW GENERATION ADVISERS, INC. | 267,453 | .54 | $732,821 | 30-Sep-09 | | ALGERT COLDIRON INVESTORS, LLC | 254,395 | .51 | $697,042 | 30-Sep-09 |
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| Holder | Shares | % Out | Value* | Reported | | VANGUARD TOTAL STOCK MARKET INDEX FUND | 607,097 | 1.22 | $874,219 | 30-Jun-09 | | VANGUARD SMALL-CAP INDEX FUND | 603,286 | 1.21 | $868,731 | 30-Jun-09 | | VANGUARD SMALL-CAP GROWTH INDEX FUND | 384,411 | .77 | $553,551 | 30-Jun-09 | | VANGUARD EXTENDED MARKET INDEX FUND | 292,553 | .59 | $421,276 | 30-Jun-09 | | PROFESSIONALLY MANAGED PORTF-PERKINS DISCOVERY FUND | 135,000 | .27 | $369,900 | 30-Sep-09 | | SPARTAN EXTENDED MARKET INDEX FUND | 100,115 | .20 | $274,315 | 30-Sep-09 | | BOGLE INVESTMENT MANAGEMENT-SMALL CAP GROWTH FUND | 93,100 | .19 | $254,163 | 31-Aug-09 | | LEGG MASON CHARLES ST.-BATTERYMARCH US SMALL CAP EQUITY | 81,400 | .16 | $117,216 | 30-Jun-09 | | Schwab Capital Trust-Schwab U.S. Fundamental Small-Mid Co In | 80,742 | .16 | $121,113 | 31-Jul-09 | | DFA U.S. SMALL CAP SERIES | 75,107 | .15 | $101,394 | 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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