RENTECH INC

CUSIP: 760112102 Class: CMN

GROUP ONE TRADING, L.P.'s Holding History (CIK: 0000932540)

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

Q1 2015
Shares 5,412 Value ($000) $6 Avg Close — Range —
Q4 2014
Shares 5,412 Value ($000) $7 Avg Close — Range —
Q3 2014
Shares 5,412 Value ($000) $9 Avg Close — Range —
Q1 2014
Shares 19,596 Value ($000) $37 Avg Close — Range —
Q4 2013
Shares 21,593 Value ($000) $38 Avg Close — Range —
Q2 2013
Shares 652 Value ($000) $1 Avg Close — Range —