| TOP INSTITUTIONAL HOLDERS |
| Holder | Shares | % Out | Value* | Reported | | PALO ALTO INVESTORS, LLC | 5,905,773 | 6.97 | $23,977,438 | 30-Sep-09 | | GOLDMAN SACHS GROUP INC | 30,543,453 | 36.07 | $124,006,419 | 30-Sep-09 | | VANGUARD GROUP, INC. (THE) | 1,821,612 | 2.15 | $7,395,744 | 30-Sep-09 | | Barclays Global Investors UK Holdings Ltd | 1,076,412 | 1.27 | $4,370,232 | 30-Sep-09 | | STEELHEAD PARTNERS, LLC | 1,029,000 | 1.22 | $4,177,740 | 30-Sep-09 | | KINGDON CAPITAL MANAGEMENT LLC | 998,000 | 1.18 | $4,051,880 | 30-Sep-09 | | DIMENSIONAL FUND ADVISORS LP | 775,351 | .92 | $3,147,925 | 30-Sep-09 | | CAISSE DE DEPOT ET PLACEMENT DU QUEBEC | 740,000 | .87 | $3,004,400 | 30-Sep-09 | | Ameriprise Financial, Inc. | 692,816 | .82 | $2,812,832 | 30-Sep-09 | | STATE STREET CORPORATION | 607,816 | .72 | $2,467,732 | 30-Sep-09 |
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| Holder | Shares | % Out | Value* | Reported | | VANGUARD TOTAL STOCK MARKET INDEX FUND | 596,989 | .71 | $2,626,751 | 30-Jun-09 | | VANGUARD SMALL-CAP INDEX FUND | 456,617 | .54 | $2,009,114 | 30-Jun-09 | | ISHARES RUSSELL 2000 INDEX FD | 425,354 | .50 | $1,458,964 | 30-Nov-09 | | Jennison Blend Fund | 370,900 | .44 | $1,272,187 | 30-Nov-09 | | RiverSource VP Mid Cap Growth Fd | 260,288 | .31 | $1,056,769 | 30-Sep-09 | | VANGUARD EXTENDED MARKET INDEX FUND | 254,633 | .30 | $1,120,385 | 30-Jun-09 | | ISHARES RUSSELL 2000 GROWTH INDEX FD | 241,761 | .29 | $829,240 | 30-Nov-09 | | COLLEGE RETIREMENT EQUITIES FUND-STOCK ACCOUNT | 202,751 | .24 | $892,104 | 30-Jun-09 | | VANGUARD SMALL-CAP GROWTH INDEX FUND | 200,416 | .24 | $813,688 | 30-Sep-09 | | DFA U.S. SMALL CAP SERIES | 159,223 | .19 | $630,523 | 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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