MARKWEST ENERGY PARTNERS L P

CUSIP: 570759100 Class: UNIT LP PARTN

Ancora Advisors LLC's Holding History (CIK: 0001446114)

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

Q4 2015
Shares 8,238 Value ($000) $554 Avg Close — Range —
Q3 2015
Shares 8,498 Value ($000) $365 Avg Close — Range —
Q2 2015
Shares 7,498 Value ($000) $423 Avg Close — Range —
Q4 2014
Shares 8,238 Value ($000) $554 Avg Close — Range —