RENTECH INC

CUSIP: 760112102 Class: CMN

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

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

Q2 2015
Shares 419,121 Value ($000) $448 Avg Close — Range —
Q1 2015
Shares 413,966 Value ($000) $464 Avg Close — Range —
Q4 2014
Shares 422,166 Value ($000) $532 Avg Close — Range —
Q3 2014
Shares 420,369 Value ($000) $719 Avg Close — Range —
Q2 2014
Shares 415,783 Value ($000) $1,077 Avg Close — Range —
Q1 2014
Shares 408,183 Value ($000) $776 Avg Close — Range —
Q4 2013
Shares 408,183 Value ($000) $714 Avg Close — Range —
Q3 2013
Shares 405,683 Value ($000) $803 Avg Close — Range —
Q2 2013
Shares 393,634 Value ($000) $827 Avg Close — Range —
Q1 2013
Shares 396,253 Value ($000) $931 Avg Close — Range —