WALTER ENERGY INC

CUSIP: 93317Q105 Class: COM

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

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

Q3 2014
Shares 403,515 Value ($000) $944 Avg Close — Range —
Q2 2014
Shares 124,945 Value ($000) $681 Avg Close — Range —
Q4 2013
Shares 171,837 Value ($000) $2,858 Avg Close — Range —
Q3 2013
Shares 300,127 Value ($000) $4,211 Avg Close — Range —
Q2 2013
Shares 198,834 Value ($000) $2,068 Avg Close — Range —