QUICKSILVER RESOURCES INC

CUSIP: 74837R104 Class: COM

PROFUND ADVISORS LLC's Holding History (CIK: 0001129919)

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

Q2 2014
Shares 13,875 Value ($000) $37 Avg Close — Range —
Q1 2014
Shares 16,800 Value ($000) $44 Avg Close — Range —
Q4 2013
Shares 10,220 Value ($000) $31 Avg Close — Range —