WARREN RES INC

CUSIP: 93564A100 Class: COM

CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM's Holding History (CIK: 0001081019)

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

Q1 2015
Shares 136,541 Value ($000) $122 Avg Close — Range —
Q4 2014
Shares 136,541 Value ($000) $220 Avg Close — Range —
Q3 2014
Shares 135,960 Value ($000) $721 Avg Close — Range —
Q2 2014
Shares 134,488 Value ($000) $834 Avg Close — Range —
Q1 2014
Shares 131,888 Value ($000) $633 Avg Close — Range —
Q4 2013
Shares 131,888 Value ($000) $414 Avg Close — Range —
Q3 2013
Shares 131,088 Value ($000) $384 Avg Close — Range —
Q2 2013
Shares 126,618 Value ($000) $323 Avg Close — Range —
Q1 2013
Shares 124,387 Value ($000) $399 Avg Close — Range —