WARREN RES INC

CUSIP: 93564A100 Class: COM

AMERICAN CENTURY COMPANIES INC's Holding History (CIK: 0000748054)

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

Q3 2014
Shares 677,676 Value ($000) $3,592 Avg Close — Range —
Q2 2014
Shares 388,308 Value ($000) $2,408 Avg Close — Range —
Q1 2014
Shares 325,684 Value ($000) $1,563 Avg Close — Range —
Q4 2013
Shares 322,666 Value ($000) $1,013 Avg Close — Range —
Q3 2013
Shares 176,580 Value ($000) $517 Avg Close — Range —
Q2 2013
Shares 55,258 Value ($000) $141 Avg Close — Range —