QUICKSILVER RESOURCES INC

CUSIP: 74837R104 Class: COM

GROUP ONE TRADING, L.P.'s Holding History (CIK: 0000932540)

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

Q1 2015
Shares 289,371 Value ($000) $7 Avg Close — Range —
Q4 2014
Shares 402,071 Value ($000) $80 Avg Close — Range —
Q3 2014
Shares 293,441 Value ($000) $177 Avg Close — Range —
Q4 2013
Shares 2,907 Value ($000) $9 Avg Close — Range —
Q3 2013
Shares 44,173 Value ($000) $87 Avg Close — Range —
Q2 2013
Shares 12,421 Value ($000) $21 Avg Close — Range —