MARKWEST ENERGY PARTNERS L P

CUSIP: 570759100 Class: UNIT LP PARTN

GUGGENHEIM CAPITAL LLC's Holding History (CIK: 0001283072)

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

Q3 2015
Shares 20,286 Value ($000) $871 Avg Close — Range —
Q2 2015
Shares 104,278 Value ($000) $5,880 Avg Close — Range —
Q1 2015
Shares 148,619 Value ($000) $9,824 Avg Close — Range —
Q4 2014
Shares 171,890 Value ($000) $11,549 Avg Close — Range —
Q3 2014
Shares 191,277 Value ($000) $14,695 Avg Close — Range —
Q2 2014
Shares 224,727 Value ($000) $16,086 Avg Close — Range —
Q1 2014
Shares 168,261 Value ($000) $10,990 Avg Close — Range —
Q4 2013
Shares 123,605 Value ($000) $8,174 Avg Close — Range —
Q3 2013
Shares 118,985 Value ($000) $8,595 Avg Close — Range —
Q2 2013
Shares 107,218 Value ($000) $7,168 Avg Close — Range —