MARKWEST ENERGY PARTNERS L P

CUSIP: 570759100 Class: UNIT LP PARTN

SUMMIT SECURITIES GROUP LLC's Holding History (CIK: 0001531593)

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

Q3 2015
Shares 3,600 Value ($000) $154 Avg Close — Range —
Q2 2015
Shares 100 Value ($000) $6 Avg Close — Range —
Q4 2014
Shares 92,800 Value ($000) $6,235 Avg Close — Range —
Q3 2014
Shares 111,000 Value ($000) $8,527 Avg Close — Range —
Q2 2014
Shares 131,900 Value ($000) $9,441 Avg Close — Range —
Q1 2014
Shares 32,200 Value ($000) $2,103 Avg Close — Range —
Q4 2013
Shares 1,700 Value ($000) $112 Avg Close — Range —
Q3 2013
Shares 900 Value ($000) $65 Avg Close — Range —
Q2 2013
Shares 1,100 Value ($000) $74 Avg Close — Range —