Sunoco Logistics Partners L.P. (NYSE: SXL) announced today a two-week extension of its binding open season for Permian Express Phase I, a new project to transport West Texas crude oil to Gulf Coast markets. Binding commitments are now due on August 7, 2012. As previously announced, Permian Express Phase I will provide continuous pipeline service from Wichita Falls, Texas to Nederland/Beaumont, Texas markets. At Wichita Falls, a connection to Basin Pipeline will be provided. Due to the use of existing assets, an initial capacity to transport approximately 90,000 barrels per day to Nederland will be operational within 6 to 9 months. Full capacity of 150,000 barrels per day is expected by the second half of 2013. The Notice of Open Season is available on the Sunoco Logistics website at www.sunocologistics.com/PA. More information about the Open Season is available by contacting: Chris Martin281-637-6548 email@example.com ABOUT SUNOCO LOGISTICS Sunoco Logistics Partners L.P. (NYSE: SXL), headquartered in Philadelphia, is a master limited partnership that owns and operates a logistics business consisting of a geographically diverse portfolio of complementary pipeline, terminalling and crude oil acquisition and marketing assets. The Refined Products Pipelines consist of approximately 2,500 miles of refined products pipelines located in the northeast, midwest and southwest United States, and equity interests in four refined products pipelines. The Crude Oil Pipelines consist of approximately 5,400 miles of crude oil pipelines, located principally in Oklahoma and Texas. The Terminal Facilities consist of approximately 42 million shell barrels of refined products and crude oil terminal capacity (including approximately 22 million shell barrels of capacity at the Nederland Terminal on the Gulf Coast of Texas and approximately 5 million shell barrels of capacity at the Eagle Point terminal on the banks of the Delaware River in New Jersey). The Crude Oil Acquisition and Marketing business involves the acquisition and marketing of crude oil and is principally conducted in Oklahoma and Texas and consists of approximately 200 crude oil transport trucks and approximately 120 crude oil truck unloading facilities.