MarkWest Energy Partners has raised $300 million through a note sale, Reuters reports. The 6.5% senior notes, due in 2021, were sold at a spread of 286 basis points.

Barclays was appointed as the sole bookrunning manager for the sale. The proceeds from the offering will be used to redeem a part of the outstanding $275 million of its 8.5% senior notes due 2016, adds RTT News.

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