MARKWEST ENERGY PARTNERS L P

CUSIP: 570759100 Class: UNIT LP PARTN

NEUBERGER BERMAN GROUP LLC's Holding History (CIK: 0001465109)

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

Q3 2015
Shares 204,020 Value ($000) $8,754 Avg Close — Range —
Q2 2015
Shares 408,799 Value ($000) $23,048 Avg Close — Range —
Q1 2015
Shares 845,860 Value ($000) $55,911 Avg Close — Range —
Q4 2014
Shares 2,817,367 Value ($000) $189,298 Avg Close — Range —
Q3 2014
Shares 2,970,904 Value ($000) $228,223 Avg Close — Range —
Q2 2014
Shares 3,100,281 Value ($000) $221,918 Avg Close — Range —
Q1 2014
Shares 2,090,847 Value ($000) $136,574 Avg Close — Range —
Q4 2013
Shares 2,172,510 Value ($000) $143,668 Avg Close — Range —
Q3 2013
Shares 1,805,676 Value ($000) $130,424 Avg Close — Range —
Q2 2013
Shares 2,208,193 Value ($000) $147,618 Avg Close — Range —