Markwest Energy Partners L P (MWE)

Market is closed

Insider Trading: Sales

Insider	Price	Amount	Total Value	Remaining Holdings	Date	Form 4
Mollenkopf Officer	$54.43	10,000	$544,267.00	301,870	2012-10-01	Filing
Mollenkopf Officer	$53.65	10,000	$536,474.00	311,870	2012-09-10	Filing
Bromley Officer	$53.00	2,500	$132,500.00	96,272	2012-08-10	Filing
Nickerson Officer	$60.20	4,100	$246,799.91	246,470	2012-05-01	Filing
Bromley Officer	$60.01	5,000	$300,054.50	98,772	2012-04-23	Filing
Nickerson Officer	$58.57	4,100	$240,127.57	250,570	2012-04-04	Filing
Rosson Officer	$60.17	4,000	$240,680.00	23,964	2012-03-22	Filing
Bromley Officer	$58.43	10,000	$584,308.00	103,772	2012-02-06	Filing
Buese Officer	$58.33	10,000	$583,263.00	125,407	2012-02-06	Filing
Rosson Officer	$56.34	450	$25,353.00	21,271	2012-01-17	Filing
Rosson Officer	$53.45	450	$24,052.50	21,721	2011-12-15	Filing
Rosson Officer	$51.07	450	$22,981.50	22,171	2011-11-15	Filing
Buese Officer	$50.00	2,900	$145,000.00	103,986	2011-10-28	Filing
Rosson Officer	$46.47	450	$20,911.50	22,621	2011-10-17	Filing
Rosson Officer	$48.05	450	$21,622.50	23,071	2011-09-15	Filing
Rosson Officer	$46.89	450	$21,100.50	23,521	2011-08-15	Filing
Buese Officer	$50.01	7,100	$355,048.28	106,886	2011-07-07	Filing
Nickerson Officer	$48.01	5,599	$268,787.27	211,608	2011-07-01	Filing
Nickerson Officer	$47.30	5,599	$264,849.50	217,207	2011-06-01	Filing
Nickerson Officer	$51.11	5,599	$286,177.21	222,806	2011-05-02	Filing