MARKWEST ENERGY PARTNERS L P

CUSIP: 570759100 Class: UNIT LP PARTN

NTV Asset Management LLC's Holding History (CIK: 0001284208)

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

Q2 2015
Shares 4,000 Value ($000) $225 Avg Close — Range —
Q1 2015
Shares 4,000 Value ($000) $264 Avg Close — Range —
Q4 2014
Shares 4,000 Value ($000) $268 Avg Close — Range —
Q3 2014
Shares 4,000 Value ($000) $307 Avg Close — Range —
Q2 2014
Shares 4,000 Value ($000) $286 Avg Close — Range —
Q1 2014
Shares 4,000 Value ($000) $261 Avg Close — Range —
Q4 2013
Shares 4,000 Value ($000) $264 Avg Close — Range —
Q3 2013
Shares 4,000 Value ($000) $288 Avg Close — Range —
Q2 2013
Shares 4,200 Value ($000) $280 Avg Close — Range —