MARKWEST ENERGY PARTNERS L P

CUSIP: 570759100 Class: UNIT LP PARTN

COMMERZBANK AKTIENGESELLSCHAFT /FI's Holding History (CIK: 0000852933)

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

Q3 2015
Shares 232,890 Value ($000) $9,993 Avg Close — Range —
Q2 2015
Shares 232,890 Value ($000) $13,130 Avg Close — Range —
Q1 2015
Shares 232,890 Value ($000) $15,394 Avg Close — Range —