MARKWEST ENERGY PARTNERS L P

CUSIP: 570759100 Class: UNIT LP PARTN

SEIZERT CAPITAL PARTNERS, LLC's Holding History (CIK: 0001134283)

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

Q2 2015
Shares 10,575 Value ($000) $596 Avg Close — Range —
Q1 2015
Shares 10,575 Value ($000) $699 Avg Close — Range —
Q4 2014
Shares 10,575 Value ($000) $711 Avg Close — Range —
Q3 2014
Shares 10,625 Value ($000) $816 Avg Close — Range —
Q2 2014
Shares 11,000 Value ($000) $787 Avg Close — Range —
Q1 2014
Shares 11,000 Value ($000) $719 Avg Close — Range —
Q4 2013
Shares 11,000 Value ($000) $727 Avg Close — Range —
Q3 2013
Shares 11,000 Value ($000) $795 Avg Close — Range —
Q2 2013
Shares 10,000 Value ($000) $668 Avg Close — Range —