| TOP INSTITUTIONAL HOLDERS |
| Holder | Shares | % Out | Value* | Reported | | STEELHEAD PARTNERS, LLC | 12,306,500 | 9.38 | $14,890,865 | 30-Sep-09 | | VANGUARD GROUP, INC. (THE) | 5,787,855 | 4.41 | $7,003,304 | 30-Sep-09 | | MITCHELL GROUP, INC. (THE) | 5,402,310 | 4.12 | $6,536,795 | 30-Sep-09 | | Barclays Global Investors UK Holdings Ltd | 5,011,690 | 3.82 | $6,064,144 | 30-Sep-09 | | Sanders Morris Harris Group Inc. | 2,002,525 | 1.53 | $2,423,055 | 30-Sep-09 | | STATE STREET CORPORATION | 1,958,944 | 1.49 | $2,370,322 | 30-Sep-09 | | DIMENSIONAL FUND ADVISORS LP | 1,843,589 | 1.41 | $2,230,742 | 30-Sep-09 | | RENAISSANCE TECHNOLOGIES, LLC | 1,618,300 | 1.23 | $1,958,143 | 30-Sep-09 | | GOLDMAN SACHS GROUP INC | 1,564,810 | 1.19 | $1,893,420 | 30-Sep-09 | | NORTHERN TRUST CORPORATION | 1,197,714 | .91 | $1,449,233 | 30-Sep-09 |
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| Holder | Shares | % Out | Value* | Reported | | ISHARES RUSSELL 2000 INDEX FD | 1,461,530 | 1.11 | $1,388,453 | 30-Nov-09 | | VANGUARD TOTAL STOCK MARKET INDEX FUND | 1,318,701 | 1.01 | $1,793,433 | 30-Jun-09 | | VANGUARD SMALL-CAP INDEX FUND | 1,240,989 | .95 | $1,687,745 | 30-Jun-09 | | DFA U.S. SMALL CAP VALUE SERIES | 1,125,332 | .86 | $1,496,691 | 31-Jul-09 | | VANGUARD SMALL-CAP GROWTH INDEX FUND | 929,857 | .71 | $1,125,126 | 30-Sep-09 | | COLLEGE RETIREMENT EQUITIES FUND-STOCK ACCOUNT | 819,252 | .62 | $1,114,182 | 30-Jun-09 | | ISHARES RUSSELL 2000 GROWTH INDEX FD | 764,445 | .58 | $726,222 | 30-Nov-09 | | VANGUARD EXTENDED MARKET INDEX FUND | 746,639 | .57 | $1,015,429 | 30-Jun-09 | | VANGUARD EXPLORER FUND, INC. | 448,100 | .34 | $595,973 | 31-Jul-09 | | TIAA-CREF FDS-SMALL-CAP EQUITY FUND | 270,802 | .21 | $368,290 | 30-Jun-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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