MarkWest Energy Partners LP - 2012-03-19

MarkWest Energy Partners LP (NYSE: MWE) closed its public offering of 6,785,000 common units at $59.54 per common unit, which includes 885,000 common units purchased pursuant to the full exercise of the underwriters’ option to purchase additional common units. MarkWest intends to use the approximately $388.0 million in net proceeds to partially fund its ongoing capital expenditure program. BofA Merrill Lynch, Barclays Capital, Citigroup, Morgan Stanley, UBS Investment Bank, and Wells Fargo Securities acted as joint book-running managers.