MARKWEST ENERGY PARTNERS L P

CUSIP: 570759100 Class: UNIT LP PARTN

Joel Isaacson & Co., LLC's Holding History (CIK: 0001599330)

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

Q3 2015
Shares 1,180 Value ($000) $51 Avg Close — Range —
Q2 2015
Shares 1,180 Value ($000) $67 Avg Close — Range —