CRIMSON EXPLORATION INC

CUSIP: 22662K207 Class: COM NEW

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

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

Q3 2013
Shares 39,594 Value ($000) $119 Avg Close — Range —
Q2 2013
Shares 38,030 Value ($000) $107 Avg Close — Range —
Q1 2013
Shares 36,920 Value ($000) $106 Avg Close — Range —