Markwest Energy Partners L P

Wood Investment Counsel LLC

Report date

6/30/2014

Quarter

2014 Q2

Filed

7/25/2014

Shares

240,348

Value ($000)

17,204

Weight

2.6%

2013 Q4 - 2014 Q2 (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 Q2	7/25/2014	17,204	2.6%	240,348	6/30/2014
2014 Q1	5/7/2014	15,756	2.6%	241,206	3/31/2014
2013 Q4	2/4/2014	15,977	2.5%	241,606	12/31/2013