| TOP INSTITUTIONAL HOLDERS |
| Holder | Shares | % Out | Value* | Reported | | TORTOISE CAPITAL ADVISORS, LLC | 3,329,379 | 1.89 | $141,665,076 | 30-Sep-09 | | KAYNE ANDERSON CAPITAL ADVISORS, L.P. | 2,732,509 | 1.55 | $116,268,257 | 30-Sep-09 | | MORGAN STANLEY | 2,684,636 | 1.53 | $114,231,261 | 30-Sep-09 | | UBS AG | 2,318,362 | 1.32 | $98,646,303 | 30-Sep-09 | | JP MORGAN CHASE & COMPANY | 2,257,693 | 1.28 | $96,064,837 | 30-Sep-09 | | MERRILL LYNCH & CO., INC. | 1,711,971 | .97 | $72,844,366 | 30-Sep-09 | | Argyll Research, LLC | 1,151,500 | .66 | $48,996,325 | 30-Sep-09 | | Macquarie Group Limited | 1,086,319 | .62 | $46,222,873 | 30-Sep-09 | | GLICKENHAUS & CO | 1,077,369 | .61 | $45,842,050 | 30-Sep-09 | | GOLDMAN SACHS GROUP INC | 1,050,061 | .60 | $44,680,095 | 30-Sep-09 |
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| Holder | Shares | % Out | Value* | Reported | | TORTOISE ENERGY INFRASTRUCTURE CORP | 1,620,700 | .92 | $65,703,178 | 31-Aug-09 | | IVY GLOBAL NATURAL RESOURCES FUND | 1,500,000 | .85 | $60,735,000 | 30-Jun-09 | | Tortoise Energy Capital Corporation | 720,900 | .41 | $29,225,286 | 31-Aug-09 | | Allianz Fds-NFJ Renaissance Fd | 452,219 | .26 | $19,133,385 | 31-May-09 | | Fiduciary/Claymore MLP Opportunity Fund | 329,237 | .19 | $13,347,267 | 31-Aug-09 | | Blackrock Energy & Resource Trust (BGR) | 316,800 | .18 | $14,613,984 | 31-Jul-09 | | ENERGY INCOME & GROWTH FUND | 253,870 | .14 | $10,291,889 | 31-Aug-09 | | Macquarie Global Infrastructure Total Return Fund | 232,733 | .13 | $9,434,995 | 31-Aug-09 | | COHEN & STEERS SELECT UTILITY FUND, INC. | 150,667 | .09 | $6,100,506 | 30-Jun-09 | | Tortoise North American Energy Corp | 114,400 | .07 | $4,637,776 | 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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