| TOP INSTITUTIONAL HOLDERS |
| Holder | Shares | % Out | Value* | Reported | | TORTOISE CAPITAL ADVISORS, LLC | 3,500,047 | 5.68 | $65,660,881 | 30-Sep-09 | | Swank Energy Income Advisors LP | 1,906,100 | 3.09 | $35,758,436 | 30-Sep-09 | | MORGAN STANLEY | 1,083,634 | 1.76 | $20,328,973 | 30-Sep-09 | | KAYNE ANDERSON CAPITAL ADVISORS, L.P. | 939,500 | 1.52 | $17,625,020 | 30-Sep-09 | | GLICKENHAUS & CO | 895,520 | 1.45 | $16,799,955 | 30-Sep-09 | | GPS Partners LLC | 833,031 | 1.35 | $15,627,661 | 30-Sep-09 | | MACKENZIE FINANCIAL CORPORATION | 772,700 | 1.25 | $14,495,852 | 30-Sep-09 | | GOLDMAN SACHS GROUP INC | 715,574 | 1.16 | $13,424,168 | 30-Sep-09 | | DELTA PARTNERS LLC | 696,240 | 1.13 | $13,061,462 | 30-Sep-09 | | WADDELL & REED FINANCIAL INC. | 577,927 | .94 | $10,841,910 | 30-Sep-09 |
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| Holder | Shares | % Out | Value* | Reported | | TORTOISE ENERGY INFRASTRUCTURE CORP | 1,512,600 | 2.45 | $25,562,940 | 31-Aug-09 | | Tortoise Energy Capital Corporation | 912,000 | 1.48 | $15,412,800 | 31-Aug-09 | | IVY GLOBAL NATURAL RESOURCES FUND | 750,000 | 1.22 | $10,402,500 | 30-Jun-09 | | Blackrock Energy & Resource Trust (BGR) | 300,000 | .49 | $5,694,000 | 31-Jul-09 | | Cushing MLP Total Return Fund | 225,000 | .37 | $4,221,000 | 30-Sep-09 | | WADDELL & REED ADVISORS FDS-VALUE FUND | 223,627 | .36 | $3,101,706 | 30-Jun-09 | | Ivy Fds VIP-Value Port | 174,400 | .28 | $2,418,928 | 30-Jun-09 | | Tortoise North American Energy Corp | 138,500 | .22 | $2,340,650 | 31-Aug-09 | | Tortoise Power and Energy Infrastructure Fund, Inc. | 76,800 | .12 | $1,297,920 | 31-Aug-09 | | SPARTAN EXTENDED MARKET INDEX FUND | 36,473 | .06 | $684,233 | 30-Sep-09 |
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Value shown is computed using the security's price on the report date given.
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