MARKWEST ENERGY PARTNERS L P

CUSIP: 570759100 Class: UNIT LP PARTN

BROWN ADVISORY INC's Holding History (CIK: 0001345929)

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

Q3 2015
Shares 7,002 Value ($000) $301 Avg Close — Range —
Q2 2015
Shares 5,200 Value ($000) $293 Avg Close — Range —
Q1 2015
Shares 11,464 Value ($000) $757 Avg Close — Range —
Q4 2014
Shares 11,423 Value ($000) $767 Avg Close — Range —
Q3 2014
Shares 11,958 Value ($000) $919 Avg Close — Range —
Q2 2014
Shares 10,167 Value ($000) $728 Avg Close — Range —
Q1 2014
Shares 10,822 Value ($000) $707 Avg Close — Range —
Q4 2013
Shares 9,400 Value ($000) $622 Avg Close — Range —
Q3 2013
Shares 9,400 Value ($000) $679 Avg Close — Range —
Q2 2013
Shares 6,900 Value ($000) $461 Avg Close — Range —