SXL Announces Binding Open Season For Mariner East

Sunoco Logistics Partners L.P. (SXL) announced that it will commence a binding Open Season for Project Mariner East. This Open Season is for the pipeline project to deliver propane and ethane from the liquidrich Marcellus Shale areas in Western Pennsylvania, including MarkWest Energy Partners, L.P.’s processing and fractionation complex in Houston, Pennsylvania, to Southeastern Pennsylvania.

The project is anticipated to have an initial capacity to transport approximately 65,000 barrels per day of natural gas liquids and can be scaled to support higher volumes as needed. Mariner East is expected to have the ability to transport propane by the second half of 2014. Mariner East is scheduled to be fully operational to deliver propane and ethane in the first half of 2015. The Open Season will commence on August 9, 2012. Subject to the terms of the Open Season, priority service will be available to shippers making long-term volume commitments during the Open Season.

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