MarkWest Energy Partners Announces Pricing of Public Offering of Common Units at $59.54/Unit

MarkWest Energy Partners, L.P.

announced today that it priced a public offering of 5,900,000 common units at $59.54 per common unit. MarkWest has granted the underwriters a 30-day option to purchase up to 885,000 additional common units to cover the underwriters' sale of additional common units, if any. MarkWest intends to use the net proceeds from the offering, after deducting underwriting discounts, commissions and offering expenses, of approximately $337.4 million, as well as any exercise of the underwriters' option to partially fund its ongoing capital expenditure program.