WARREN RES INC

CUSIP: 93564A100 Class: COM

DIMENSIONAL FUND ADVISORS LP's Holding History (CIK: 0000354204)

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

Q1 2016
Shares 23,378 Value ($000) $4 Avg Close — Range —
Q4 2015
Shares 23,378 Value ($000) $5 Avg Close — Range —
Q3 2015
Shares 1,293,671 Value ($000) $633 Avg Close — Range —
Q2 2015
Shares 3,318,267 Value ($000) $1,526 Avg Close — Range —
Q1 2015
Shares 3,566,427 Value ($000) $3,174 Avg Close — Range —
Q4 2014
Shares 3,775,630 Value ($000) $6,079 Avg Close — Range —
Q3 2014
Shares 3,863,945 Value ($000) $20,480 Avg Close — Range —
Q2 2014
Shares 3,393,699 Value ($000) $21,041 Avg Close — Range —
Q1 2014
Shares 2,902,078 Value ($000) $13,930 Avg Close — Range —
Q4 2013
Shares 2,545,470 Value ($000) $7,993 Avg Close — Range —
Q3 2013
Shares 2,407,151 Value ($000) $7,053 Avg Close — Range —
Q2 2013
Shares 2,187,463 Value ($000) $5,578 Avg Close — Range —