MARKWEST ENERGY PARTNERS L P

CUSIP: 570759100 Class: UNIT LP PARTN

Somerset Group LLC's Holding History (CIK: 0001567912)

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

Q3 2015
Shares 8,750 Value ($000) $375 Avg Close — Range —
Q2 2015
Shares 8,750 Value ($000) $493 Avg Close — Range —
Q1 2015
Shares 8,750 Value ($000) $578 Avg Close — Range —
Q4 2014
Shares 8,750 Value ($000) $588 Avg Close — Range —
Q3 2014
Shares 7,150 Value ($000) $549 Avg Close — Range —
Q2 2014
Shares 7,150 Value ($000) $512 Avg Close — Range —
Q1 2014
Shares 7,150 Value ($000) $467 Avg Close — Range —
Q4 2013
Shares 7,150 Value ($000) $473 Avg Close — Range —
Q3 2013
Shares 7,150 Value ($000) $516 Avg Close — Range —
Q2 2013
Shares 7,150 Value ($000) $478 Avg Close — Range —