Energy Transfer Partners, L.P. ( NYSE: ETP) today announced that its subsidiary, Lone Star NGL LLC ("Lone Star"), will construct a fifth natural gas liquids (NGL) fractionation facility at Mont Belvieu, Texas. Fractionator V, including NGL product infrastructure and a new 3 million barrel y-grade storage cavern, has a total estimated cost of approximately $385 million. The 120,000 barrel per day fractionator is fully subscribed under multiple long-term, fixed-fee contracts and is scheduled to be operational by September of 2018. The construction of Fractionator V is a result of the tremendous production growth in the Delaware and Permian Basins. Upon completion of the new fractionator, Lone Star will own and operate over 540,000 barrels per day of fractionating capacity at Mont Belvieu. With the addition of the Lone Star Express Pipeline, which was placed in service in August 2016, Lone Star has approximately 585,000 barrels per day of NGL transport capacity out of west Texas and southeast New Mexico and 880,000 barrels per day of total capacity into Mont Belvieu. As Permian Basin production continues to increase, Lone Star is well positioned to continue expanding its pipeline and fractionation capacity. Energy Transfer Partners, L.P. (NYSE: ETP) is a master limited partnership that owns and operates one of the largest and most diversified portfolios of energy assets in the United States. ETP's subsidiaries include Panhandle Eastern Pipe Line Company, LP (the successor of Southern Union Company) and Lone Star NGL LLC, which owns and operates natural gas liquids storage, fractionation and transportation assets. In total, ETP currently owns and operates more than 62,500 miles of natural gas and natural gas liquids pipelines. ETP also owns the general partner, 100% of the incentive distribution rights, and approximately 67.1 million common units of Sunoco Logistics Partners L.P. (NYSE: SXL), which operates a geographically diverse portfolio of pipelines, terminalling and acquisition and marketing assets. ETP recently acquired the general partner, 100% of the incentive distribution rights, and an approximate 65% limited partnership interest in PennTex Midstream Partners, LP (NASDAQ: PTXP), which is a growth-oriented master limited partnership that provides natural gas gathering and processing and residue gas and natural gas liquids transportation services to producers in northern Louisiana. ETP's general partner is owned by Energy Transfer Equity, L.P. (NYSE: ETE). For more information, visit the Energy Transfer Partners, L.P. website at www.energytransfer.com. Forward-Looking Statements This press release may include certain statements concerning expectations for the future that are forward-looking statements as defined by federal law. Such forward-looking statements are subject to a variety of known and unknown risks, uncertainties, and other factors that are difficult to predict and many of which are beyond management's control. An extensive list of factors that can affect future results are discussed in ETP's Annual Reports on Form 10-K and other documents filed from time to time with the Securities and Exchange Commission. ETP undertakes no obligation to update or revise any forward-looking statement to reflect new information or events.