WARREN RES INC

CUSIP: 93564A100 Class: COM

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

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

Q2 2015
Shares 3,521 Value ($000) $2 Avg Close — Range —
Q1 2015
Shares 3,521 Value ($000) $3 Avg Close — Range —
Q4 2014
Shares 9,833 Value ($000) $16 Avg Close — Range —
Q2 2014
Shares 957 Value ($000) $6 Avg Close — Range —
Q4 2013
Shares 4,400 Value ($000) $14 Avg Close — Range —
Q3 2013
Shares 10,300 Value ($000) $30 Avg Close — Range —
Q2 2013
Shares 8,000 Value ($000) $20 Avg Close — Range —