MARKWEST ENERGY PARTNERS L P

CUSIP: 570759100 Class: UNIT LP PARTN

UMB Bank, n.a.'s Holding History (CIK: 0000933429)

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

Q3 2015
Shares 8,093 Value ($000) $347 Avg Close — Range —
Q2 2015
Shares 8,030 Value ($000) $453 Avg Close — Range —
Q1 2015
Shares 8,480 Value ($000) $561 Avg Close — Range —
Q4 2014
Shares 7,880 Value ($000) $529 Avg Close — Range —
Q3 2014
Shares 8,500 Value ($000) $653 Avg Close — Range —
Q2 2014
Shares 9,100 Value ($000) $651 Avg Close — Range —
Q1 2014
Shares 9,480 Value ($000) $619 Avg Close — Range —
Q4 2013
Shares 9,480 Value ($000) $627 Avg Close — Range —
Q3 2013
Shares 9,980 Value ($000) $721 Avg Close — Range —
Q2 2013
Shares 10,480 Value ($000) $701 Avg Close — Range —