| TOP INSTITUTIONAL HOLDERS |
| Holder | Shares | % Out | Value* | Reported | | Invesco Ltd. | 9,057,787 | 7.16 | $16,304,016 | 30-Sep-09 | | VANGUARD GROUP, INC. (THE) | 3,225,350 | 2.55 | $5,805,630 | 30-Sep-09 | | Shell Asset Management Company | 3,005,000 | 2.38 | $5,409,000 | 30-Sep-09 | | Barclays Global Investors UK Holdings Ltd | 2,926,878 | 2.31 | $5,268,380 | 30-Sep-09 | | SG Americas Securities, LLC | 1,851,289 | 1.46 | $3,332,320 | 30-Sep-09 | | STATE STREET CORPORATION | 862,460 | .68 | $1,552,428 | 30-Sep-09 | | NORTHERN TRUST CORPORATION | 668,603 | .53 | $1,196,799 | 30-Jun-09 | | FULLER & THALER ASSET MANAGEMENT INC. | 526,100 | .42 | $946,980 | 30-Sep-09 | | INGALLS & SNYDER | 436,850 | .35 | $786,330 | 30-Sep-09 | | TIAA-CREF INVESTMENT MANAGEMENT, LLC | 397,483 | .31 | $715,469 | 30-Sep-09 |
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| Holder | Shares | % Out | Value* | Reported | | Powershares Exhg Traded Fd Tr-POWERSHARES WILDERHILL CLEAN E | 8,543,661 | 6.75 | $15,634,899 | 31-Jul-09 | | VANGUARD TOTAL STOCK MARKET INDEX FUND | 1,139,884 | .90 | $2,040,392 | 30-Jun-09 | | VANGUARD SMALL-CAP INDEX FUND | 753,540 | .60 | $1,348,836 | 30-Jun-09 | | ISHARES RUSSELL 2000 INDEX FD | 738,701 | .58 | $1,329,661 | 30-Sep-09 | | VANGUARD EXTENDED MARKET INDEX FUND | 472,785 | .37 | $846,285 | 30-Jun-09 | | VANGUARD SMALL-CAP GROWTH INDEX FUND | 471,136 | .37 | $843,333 | 30-Jun-09 | | ISHARES RUSSELL 2000 GROWTH INDEX FD | 328,638 | .26 | $591,548 | 30-Sep-09 | | COLLEGE RETIREMENT EQUITIES FUND-STOCK ACCOUNT | 286,527 | .23 | $512,883 | 30-Jun-09 | | EQ ADVISORS TRUST-EQ/SMALL COMPANY INDEX PORTFOLIO | 166,063 | .13 | $297,252 | 30-Jun-09 | | First Trust Nasdaq (R) Clean Edge (R) Green Energy Index Fun | 110,326 | .09 | $197,483 | 30-Jun-09 |
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Value shown is computed using the security's price on the report date given.
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