MARKWEST ENERGY PARTNERS L P

CUSIP: 570759100 Class: UNIT LP PARTN

1832 Asset Management L.P.'s Holding History (CIK: 0000944388)

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

Q3 2013
Shares 14,000 Value ($000) $982 Avg Close — Range —
Q2 2013
Shares 12,000 Value ($000) $725 Avg Close — Range —