Markwest Energy Partners L P

TPH Asset Management, LLC

Report date

3/31/2014

Quarter

2014 Q1

Filed

5/15/2014

Shares

28,931

Value ($000)

1,890

Weight

1.1%

2013 Q2 - 2014 Q1 (3 filings)

Shares History

History scope: non-option holdings only (PUT/CALL rows excluded).

All 13F Holders	Filing date	Value ($000s)	% of Holdings	Shares	Reporting period
2014 Q1	5/15/2014	1,890	1.1%	28,931	3/31/2014
2013 Q4	2/14/2014	4,658	2.9%	70,444	12/31/2013
2013 Q2	2/19/2014	602	0.4%	9,000	6/30/2013