MARKWEST ENERGY PARTNERS L P

CUSIP: 570759100 Class: UNIT LP PARTN

THOMPSON DAVIS & CO., INC.'s Holding History (CIK: 0001017284)

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

Q3 2015
Shares 269 Value ($000) $12 Avg Close — Range —
Q2 2015
Shares 200 Value ($000) $34 Avg Close — Range —
Q1 2015
Shares 825 Value ($000) $55 Avg Close — Range —
Q4 2014
Shares 650 Value ($000) $44 Avg Close — Range —
Q3 2014
Shares 200 Value ($000) $15 Avg Close — Range —