| TOP INSTITUTIONAL HOLDERS |
| Holder | Shares | % Out | Value* | Reported | | ING Investment Management Company | 2,056,094 | 6.13 | $39,394,761 | 30-Sep-09 | | KAYNE ANDERSON CAPITAL ADVISORS, L.P. | 1,894,277 | 5.64 | $36,294,347 | 30-Sep-09 | | TORTOISE CAPITAL ADVISORS, LLC | 1,784,500 | 5.32 | $34,191,020 | 30-Sep-09 | | MORGAN STANLEY | 877,718 | 2.61 | $16,817,076 | 30-Sep-09 | | ARNHOLD & S. BLEICHRODER ADVISERS INC. | 619,750 | 1.85 | $11,874,410 | 30-Sep-09 | | EAGLE GLOBAL ADVISORS LLC | 541,469 | 1.61 | $10,374,546 | 30-Sep-09 | | MERRILL LYNCH & CO., INC. | 445,427 | 1.33 | $8,534,381 | 30-Sep-09 | | WILLIAMS, JONES & ASSOCIATES, INC. | 435,650 | 1.30 | $8,347,054 | 30-Sep-09 | | WESTWOOD MANAGEMENT CORP.,(DALLAS, TEXAS) | 345,720 | 1.03 | $6,623,995 | 30-Sep-09 | | NUMERIC INVESTORS, LLC | 200,562 | .60 | $3,842,767 | 30-Sep-09 |
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| Holder | Shares | % Out | Value* | Reported | | TORTOISE ENERGY INFRASTRUCTURE CORP | 802,865 | 2.39 | $14,836,945 | 31-Aug-09 | | Tortoise Energy Capital Corporation | 372,200 | 1.11 | $6,878,256 | 31-Aug-09 | | POWERSHARES EXHG TRADED FD TR-POWERSHARES DYNAMIC MARKET | 122,720 | .37 | $2,291,182 | 31-Jul-09 | | MLP & Strategic Equity Fd | 114,951 | .34 | $2,146,135 | 31-Jul-09 | | ENERGY INCOME & GROWTH FUND | 60,000 | .18 | $1,108,800 | 31-Aug-09 | | Advisors Inner Circle Fund-WHG Income Opportunity Fund | 56,300 | .17 | $1,051,121 | 31-Jul-09 | | SCHWAB CAPITAL TRUST-SMALL CAP INDEX FUND | 31,000 | .09 | $578,770 | 31-Jul-09 | | Tortoise Total Return Fund, LLC | 24,650 | .07 | $472,294 | 30-Sep-09 | | Tortoise Power and Energy Infrastructure Fund, Inc. | 23,645 | .07 | $436,959 | 31-Aug-09 | | Powershares Exhg Traded Fd-Powershares Dyn Energy Sector | 21,211 | .06 | $396,009 | 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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