MARKWEST ENERGY PARTNERS L P

CUSIP: 570759100 Class: UNIT LP PARTN

LS Investment Advisors, LLC's Holding History (CIK: 0001455845)

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

Q4 2014
Shares 375 Value ($000) $25 Avg Close — Range —
Q3 2014
Shares 375 Value ($000) $29 Avg Close — Range —
Q2 2014
Shares 375 Value ($000) $27 Avg Close — Range —
Q1 2014
Shares 375 Value ($000) $24 Avg Close — Range —
Q4 2013
Shares 375 Value ($000) $25 Avg Close — Range —
Q3 2013
Shares 375 Value ($000) $27 Avg Close — Range —
Q2 2013
Shares 375 Value ($000) $25 Avg Close — Range —