MARKWEST ENERGY PARTNERS L P

CUSIP: 570759100 Class: UNIT LP PARTN

Mirae Asset Global Investments Co., Ltd.'s Holding History (CIK: 0001569395)

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

Q3 2015
Shares 57,744 Value ($000) $2,478 Avg Close — Range —
Q2 2015
Shares 44,155 Value ($000) $2,489 Avg Close — Range —
Q1 2015
Shares 41,510 Value ($000) $2,744 Avg Close — Range —
Q4 2014
Shares 34,820 Value ($000) $2,340 Avg Close — Range —
Q3 2014
Shares 16,055 Value ($000) $1,233 Avg Close — Range —