IMPERVA INC

CUSIP: 45321L100 Class: COM

MUFG Americas Holdings Corp's Holding History (CIK: 0001011659)

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

Q3 2012
Shares 6,200 Value ($000) $229 Avg Close — Range —
Q2 2012
Shares 6,200 Value ($000) $179 Avg Close — Range —
Q1 2012
Shares 6,200 Value ($000) $243 Avg Close — Range —