MARKWEST ENERGY PARTNERS L P

CUSIP: 570759100 Class: UNIT LP PARTN

SECURIAN ASSET MANAGEMENT, INC's Holding History (CIK: 0001035350)

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

Q3 2015
Shares 36,000 Value ($000) $1,545 Avg Close — Range —
Q2 2015
Shares 64,900 Value ($000) $3,659 Avg Close — Range —
Q1 2015
Shares 72,300 Value ($000) $4,779 Avg Close — Range —
Q4 2014
Shares 68,500 Value ($000) $4,603 Avg Close — Range —
Q3 2014
Shares 46,000 Value ($000) $3,534 Avg Close — Range —
Q2 2014
Shares 49,300 Value ($000) $3,529 Avg Close — Range —