MarkWest Energy Partners LP finished FY 2010 with record distributable cash flow of $241 million, adjusted EBITDA (earnings before interest, taxes, depreciation and amortization) of $333 million and segment operating income of $472 million. These results were due to year-over-year gathering volumes increasing by nearly 15%, as well as strong natural gas liquids (NGL) prices and processing margins.

“Our focus remains on expanding our presence in liquids-rich resource plays that provide superior economics for MarkWest and our producer customers,” Frank Semple, president and CEO of MarkWest, said during a recent ...