MARKWEST ENERGY PARTNERS L P

CUSIP: 570759100 Class: UNIT LP PARTN

RENAISSANCE TECHNOLOGIES LLC's Holding History (CIK: 0001037389)

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

Q4 2014
Shares 113,345 Value ($000) $7,616 Avg Close — Range —
Q3 2014
Shares 304,420 Value ($000) $23,386 Avg Close — Range —
Q2 2014
Shares 423,445 Value ($000) $30,310 Avg Close — Range —
Q4 2013
Shares 141,445 Value ($000) $9,354 Avg Close — Range —
Q3 2013
Shares 116,845 Value ($000) $8,440 Avg Close — Range —
Q2 2013
Shares 26,545 Value ($000) $1,775 Avg Close — Range —