MARKWEST ENERGY PARTNERS L P

CUSIP: 570759100 Class: UNIT LP PARTN

KEYBANK NATIONAL ASSOCIATION/OH's Holding History (CIK: 0001089877)

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

Q3 2015
Shares 7,740 Value ($000) $332 Avg Close — Range —
Q2 2015
Shares 8,320 Value ($000) $469 Avg Close — Range —
Q1 2015
Shares 8,432 Value ($000) $557 Avg Close — Range —
Q4 2014
Shares 6,820 Value ($000) $458 Avg Close — Range —
Q3 2014
Shares 6,820 Value ($000) $524 Avg Close — Range —
Q2 2014
Shares 7,240 Value ($000) $518 Avg Close — Range —
Q1 2014
Shares 6,640 Value ($000) $434 Avg Close — Range —
Q4 2013
Shares 4,440 Value ($000) $294 Avg Close — Range —
Q3 2013
Shares 4,740 Value ($000) $342 Avg Close — Range —
Q2 2013
Shares 6,240 Value ($000) $417 Avg Close — Range —
Q1 2013
Shares 4,245 Value ($000) $258 Avg Close — Range —
Q4 2012
Shares 4,095 Value ($000) $209 Avg Close — Range —