IMPERVA INC

CUSIP: 45321L100 Class: COM

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

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

Q1 2016
Shares 5,000 Value ($000) $253 Avg Close — Range —
Q4 2015
Shares 3,500 Value ($000) $222 Avg Close — Range —
Q3 2015
Shares 10,500 Value ($000) $690 Avg Close — Range —
Q2 2014
Shares 155,000 Value ($000) $4,058 Avg Close — Range —