RENTECH INC

CUSIP: 760112102 Class: CMN

ARDSLEY ADVISORY PARTNERS LP's Holding History (CIK: 0000900529)

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

Q1 2015
Shares 600,000 Value ($000) $672 Avg Close — Range —
Q2 2014
Shares 700,000 Value ($000) $1,813 Avg Close — Range —
Q2 2013
Shares 100,000 Value ($000) $210 Avg Close — Range —