“We are excited to partner with Kinder Morgan in this unique opportunity that supports the development of industry-leading midstream solutions,” said MarkWest Chairman, President and Chief Executive Officer Frank Semple. “The JV processing complex expands our footprint into northern Ohio and complements our existing full-service midstream infrastructure in Ohio, West Virginia and Pennsylvania. The planned joint venture Y-grade pipeline will be by far the most efficient project for the Marcellus and Utica producers to access the Gulf Coast NGL markets and is another critical step in support of our long-term objective of providing our producer customers with multiple market options and maximum value for their natural gas and natural gas liquid production.”Kinder Morgan Energy Partners, L.P. (NYSE: KMP) is a leading pipeline transportation and energy storage company and one of the largest publicly traded pipeline limited partnerships in America. It owns an interest in or operates more than 54,000 miles of pipelines and 180 terminals. The general partner of KMP is owned by Kinder Morgan, Inc. (NYSE: KMI). Kinder Morgan is the largest midstream and the third largest energy company in North America with a combined enterprise value of approximately $115 billion. It owns an interest in or operates more than 82,000 miles of pipelines and 180 terminals. Its pipelines transport natural gas, gasoline, crude oil, CO 2 and other products, and its terminals store petroleum products and chemicals and handle such products as ethanol, coal, petroleum coke and steel. KMI owns the general partner interests of KMP and El Paso Pipeline Partners, L.P. (NYSE: EPB), along with limited partner interests in KMP and EPB and shares in Kinder Morgan Management, LLC (NYSE: KMR). For more information please visit www.kindermorgan.com. MarkWest Energy Partners, L.P. is a master limited partnership engaged in the gathering, processing and transportation of natural gas; the gathering, transportation, fractionation, storage and marketing of natural gas liquids; and the gathering and transportation of crude oil. MarkWest has a leading presence in many unconventional gas plays including the Marcellus Shale, Utica Shale, Huron/Berea Shale, Haynesville Shale, Woodford Shale and Granite Wash formation.