MARKWEST ENERGY PARTNERS L P

CUSIP: 570759100 Class: UNIT LP PARTN

Clarkston Capital Partners, LLC's Holding History (CIK: 0001562855)

Note: Option positions (PUT/CALL) are excluded.

Q3 2015
Shares 35,000 Value ($000) $1,502 Avg Close — Range —
Q2 2015
Shares 35,000 Value ($000) $1,973 Avg Close — Range —
Q1 2015
Shares 35,000 Value ($000) $2,314 Avg Close — Range —
Q4 2014
Shares 35,000 Value ($000) $2,352 Avg Close — Range —
Q3 2014
Shares 35,000 Value ($000) $2,689 Avg Close — Range —
Q2 2014
Shares 35,000 Value ($000) $2,505 Avg Close — Range —
Q1 2014
Shares 35,000 Value ($000) $2,286 Avg Close — Range —
Q4 2013
Shares 4,200 Value ($000) $278 Avg Close — Range —
Q3 2013
Shares 4,200 Value ($000) $303 Avg Close — Range —
Q2 2013
Shares 4,200 Value ($000) $281 Avg Close — Range —