QUICKSILVER RESOURCES INC

CUSIP: 74837R104 Class: COM

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

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

Q1 2013
Shares 17,926 Value ($000) $40 Avg Close — Range —
Q4 2012
Shares 18,026 Value ($000) $52 Avg Close — Range —
Q3 2012
Shares 18,026 Value ($000) $74 Avg Close — Range —
Q2 2012
Shares 18,126 Value ($000) $98 Avg Close — Range —
Q1 2012
Shares 17,889 Value ($000) $90 Avg Close — Range —
Q4 2011
Shares 18,235 Value ($000) $122 Avg Close — Range —
Q3 2011
Shares 17,799 Value ($000) $135 Avg Close — Range —