| TOP INSTITUTIONAL HOLDERS |
| Holder | Shares | % Out | Value* | Reported | | NEUBERGER BERMAN GROUP, LLC | 4,497,402 | 4.61 | $93,231,143 | 30-Sep-09 | | TORTOISE CAPITAL ADVISORS, LLC | 3,501,913 | 3.59 | $72,594,656 | 30-Sep-09 | | GOLDMAN SACHS GROUP INC | 2,469,748 | 2.53 | $51,197,876 | 30-Sep-09 | | KAYNE ANDERSON CAPITAL ADVISORS, L.P. | 1,948,360 | 2.00 | $40,389,502 | 30-Sep-09 | | MORGAN STANLEY | 1,646,856 | 1.69 | $34,139,324 | 30-Sep-09 | | FIDUCIARY ASSET MANAGEMENT, LLC | 1,490,464 | 1.53 | $30,897,318 | 30-Sep-09 | | EAGLE GLOBAL ADVISORS LLC | 1,108,672 | 1.14 | $22,982,770 | 30-Sep-09 | | Invesco Ltd. | 1,047,936 | 1.07 | $21,723,713 | 30-Sep-09 | | Allianz Global Investors of America L.P. | 1,034,800 | 1.06 | $21,451,404 | 30-Sep-09 | | Credit Suisse/ | 673,754 | .69 | $13,966,920 | 30-Sep-09 |
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| Holder | Shares | % Out | Value* | Reported | | TORTOISE ENERGY INFRASTRUCTURE CORP | 1,412,000 | 1.45 | $27,421,040 | 31-Aug-09 | | Allianz Fds-NFJ Small Cap Value Fd | 928,600 | .95 | $18,033,412 | 31-Aug-09 | | Tortoise Energy Capital Corporation | 875,500 | .90 | $17,002,210 | 31-Aug-09 | | Fiduciary/Claymore MLP Opportunity Fund | 545,054 | .56 | $10,584,948 | 31-Aug-09 | | MLP & Strategic Equity Fd | 386,050 | .40 | $7,493,230 | 31-Jul-09 | | WADDELL & REED ADVISORS DIVIDEND OPPORTUNITIES FUND | 372,700 | .38 | $6,533,431 | 30-Jun-09 | | PUTNAM INVESTORS FUND | 281,745 | .29 | $5,468,670 | 31-Jul-09 | | U.S. GLOBAL INVESTORS FD-GLOBAL RESOURCES FUND | 210,000 | .22 | $3,612,000 | 31-Mar-09 | | IVY DIVIDEND OPPORTUNITIES FUND | 148,700 | .15 | $2,606,711 | 30-Jun-09 | | Waddell & Reed Advisors Energy Fund | 113,050 | .12 | $1,981,766 | 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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