SOUTHERN UNION COMPANY

Energy Transfer Partners, L.P. (NYSE:ETP) is a master limited partnership which owns and operates one of the largest and most diversified portfolios of energy assets in the United States. ETP currently owns and operates approximately 43,000 miles of natural gas, natural gas liquids, refined products, and crude oil pipelines. ETP owns 100% of ETP Holdco Corporation, which owns Southern Union Company and Sunoco, Inc. and a 70% interest in Lone Star NGL, LLC, a joint venture that owns and operates ... natural gas liquids storage, fractionation and transportation assets. ETP also owns the general partner, 100% of the incentive distribution rights, and approximately 33.5 million common units in Sunoco Logistics Partners L.P. (NYSE: SXL), which operates a geographically diverse portfolio of crude oil and refined products pipelines, terminalling and crude oil acquisition and marketing assets. ETP's general partner is owned by ETE.More