IMPERVA INC

CUSIP: 45321L100 Class: COM

KEYBANK NATIONAL ASSOCIATION/OH's Holding History (CIK: 0001089877)

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

Q1 2014
Shares 9,480 Value ($000) $528 Avg Close — Range —
Q4 2013
Shares 9,480 Value ($000) $456 Avg Close — Range —
Q3 2013
Shares 9,480 Value ($000) $398 Avg Close — Range —
Q2 2013
Shares 9,480 Value ($000) $427 Avg Close — Range —
Q1 2013
Shares 9,699 Value ($000) $373 Avg Close — Range —
Q4 2012
Shares 9,699 Value ($000) $306 Avg Close — Range —