| TOP INSTITUTIONAL HOLDERS |
| Holder | Shares | % Out | Value* | Reported | | Invesco Ltd. | 5,699,575 | 3.39 | $22,969,287 | 30-Sep-09 | | SAM Sustainable Asset Management Ltd | 5,377,470 | 3.20 | $21,671,204 | 30-Sep-09 | | JANUS CAPITAL MANAGEMENT, LLC | 5,355,807 | 3.19 | $21,583,902 | 30-Sep-09 | | FIL LTD | 3,850,322 | 2.29 | $15,516,797 | 30-Sep-09 | | FMR LLC | 21,319,989 | 12.69 | $85,919,555 | 30-Sep-09 | | THOMSON HORSTMANN & BRYANT, INC. | 2,310,300 | 1.38 | $9,310,509 | 30-Sep-09 | | Claymore Advisors, LLC | 1,861,086 | 1.11 | $7,500,176 | 30-Sep-09 | | Barclays Global Investors UK Holdings Ltd | 1,776,713 | 1.06 | $7,160,153 | 30-Sep-09 | | SHAW D.E. & CO., INC. | 1,518,317 | .90 | $6,118,817 | 30-Sep-09 | | DEUTSCHE BANK AKTIENGESELLSCHAFT | 1,323,299 | .79 | $5,332,894 | 30-Sep-09 |
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| Holder | Shares | % Out | Value* | Reported | | Powershares Exhg Traded Fd Tr-POWERSHARES WILDERHILL CLEAN E | 4,266,036 | 2.54 | $20,519,633 | 31-Jul-09 | | FIDELITY SELECT PORTFOLIOS - ENERGY | 3,118,382 | 1.86 | $12,567,079 | 30-Sep-09 | | FIDELITY BLUE CHIP GROWTH FUND | 2,780,000 | 1.65 | $11,203,400 | 30-Sep-09 | | Janus Research Fund | 2,248,309 | 1.34 | $9,060,685 | 30-Sep-09 | | JANUS GROWTH AND INCOME FUND | 2,230,685 | 1.33 | $8,989,660 | 30-Sep-09 | | FIDELITY SELECT PORTFOLIOS - ENERGY SERVICE | 2,194,400 | 1.31 | $8,843,432 | 30-Sep-09 | | FIDELITY SMALL CAP INDEPENDENCE FUND | 2,143,600 | 1.28 | $10,310,716 | 31-Jul-09 | | FIDELITY NEW MILLENNIUM FUND | 1,804,000 | 1.07 | $7,270,120 | 30-Sep-09 | | Columbia Fds Ser Tr-Columbia Small Cap Value II Fd | 1,500,000 | .89 | $5,340,000 | 31-Aug-09 | | Claymore ETF Tr 2-Claymore/MAC Gobal Solar Energy Index ETF | 1,323,102 | .79 | $4,710,243 | 31-Aug-09 |
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Value shown is computed using the security's price on the report date given.
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