RENTECH INC

CUSIP: 760112201 Class: COMMON

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

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

Q1 2016
Shares 49,877 Value ($000) $111 Avg Close — Range —
Q4 2015
Shares 42,532 Value ($000) $150 Avg Close — Range —
Q3 2015
Shares 41,732 Value ($000) $234 Avg Close — Range —