AllianceBernstein Holding, L.P.

AmeriGas Partners, L.P.

Cedar Fair, L.P.

Enbridge Energy Partners, L.P.

Energy Transfer Partners, L.P.

Enterprise Products Partners, L.P.

Ferrellgas Partners, L.P.

Inergy, L.P.

Kinder Morgan Energy Partners, L.P.

Magellan Midstream Partners, L.P.

Municipal Mortgage & Equity, LLC

NuStar Energy, L.P.

ONEOK Partners, L.P.

Plains All American Partners, L.P.

TC Pipelines, L.P.

W.P. Carey & Co. LLC