MARKWEST ENERGY PARTNERS L P

CUSIP: 570759100 Class: UNIT LP PARTN

SG Americas Securities, LLC's Holding History (CIK: 0001313360)

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

Q3 2015
Shares 59,399 Value ($000) $2,549 Avg Close — Range —
Q2 2015
Shares 54,278 Value ($000) $3,060 Avg Close — Range —
Q1 2015
Shares 61,838 Value ($000) $4,087 Avg Close — Range —
Q4 2014
Shares 70,000 Value ($000) $4,703 Avg Close — Range —
Q3 2014
Shares 6,619 Value ($000) $508 Avg Close — Range —
Q2 2014
Shares 15,945 Value ($000) $1,141 Avg Close — Range —
Q1 2014
Shares 38,414 Value ($000) $2,509 Avg Close — Range —
Q2 2013
Shares 1,592 Value ($000) $106 Avg Close — Range —