IMPERVA INC

CUSIP: 45321L100 Class: COM

Manatuck Hill Partners, LLC's Holding History (CIK: 0001467902)

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

Q1 2014
Shares 123,800 Value ($000) $6,896 Avg Close — Range —
Q4 2013
Shares 279,600 Value ($000) $13,457 Avg Close — Range —
Q3 2013
Shares 316,300 Value ($000) $13,291 Avg Close — Range —
Q2 2013
Shares 316,300 Value ($000) $14,246 Avg Close — Range —