MARKWEST ENERGY PARTNERS L P

CUSIP: 570759100 Class: UNIT LP PARTN

DUNCKER STREETT & CO INC's Holding History (CIK: 0001020585)

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

Q3 2015
Shares 800 Value ($000) $34 Avg Close — Range —
Q2 2015
Shares 800 Value ($000) $45 Avg Close — Range —
Q1 2015
Shares 800 Value ($000) $53 Avg Close — Range —
Q4 2014
Shares 800 Value ($000) $54 Avg Close — Range —
Q3 2014
Shares 800 Value ($000) $61 Avg Close — Range —
Q2 2014
Shares 800 Value ($000) $57 Avg Close — Range —
Q1 2014
Shares 800 Value ($000) $52 Avg Close — Range —
Q4 2013
Shares 800 Value ($000) $53 Avg Close — Range —
Q3 2013
Shares 800 Value ($000) $58 Avg Close — Range —
Q2 2013
Shares 800 Value ($000) $53 Avg Close — Range —