NICOLETTI WILLIAM P [Rocket]

Date	Name	Symbol	Type	Security	Shares	Price	Value	Reported
01/21/2015	MARKWEST ENERGY PARTNERS L P	MWE	Grant	Common Units	2.5k	$0.00	$0	01/21/2015
12/22/2014	MARKWEST ENERGY PARTNERS L P	MWE	Gift	Common Units	50	$0.00	$0	12/22/2014
03/27/2014	MARKWEST ENERGY PARTNERS L P	MWE	Sale	Common Units	2.8k	$64.32	$181.4k	03/27/2014
01/22/2014	MARKWEST ENERGY PARTNERS L P	MWE	Grant	Common Units	2.2k	$0.00	$0	01/22/2014
03/28/2013	MARKWEST ENERGY PARTNERS L P	MWE	Gift	Common Units	100	$0.00	$0	03/28/2013
02/09/2011	MARKWEST ENERGY PARTNERS L P	MWE	Purchase	Common Units	244.45	$42.55	$10.4k	02/09/2011