MarkWest Energy Partners Reports Record Second Quarter Results and Announces Plans to form a Joint Venture with Kinder Morgan to Support Northern Ohio Rich-Gas Development and NGL Pipeline to Gulf Coast

DENVER--(BUSINESS WIRE)--MarkWest Energy Partners, L.P. (NYSE: MWE) (the Partnership) today reported record quarterly cash available for distribution to common unitholders, or distributable cash flow (DCF), of $128.4 million for the three months ended June 30, 2013, and $238.2 million for the six months ended June 30, 2013. DCF for the three months ended June 30, 2013 represents 108 percent coverage of the second quarter distribution of $118.4 million or $0.84 per common unit, which will be paid to unitholders on August 14, 2013. The second quarter 2013 distribution represents an increase of $0.01 per common unit or 1.2 percent over the first quarter 2013 distribution and an increase of $0.04 per common unit or 5.0 percent compared to the second quarter 2012 distribution. As a Master Limited Partnership, cash distributions to common unitholders are largely determined based on DCF. A reconciliation of DCF to net income, the most directly comparable GAAP financial measure, is provided within the financial tables of this press release.