IMPERVA INC

CUSIP: 45321L100 Class: COM

Whale Rock Capital Management LLC's Holding History (CIK: 0001387322)

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

Q2 2015
Shares 125,000 Value ($000) $8,463 Avg Close — Range —
Q1 2015
Shares 239,366 Value ($000) $10,221 Avg Close — Range —
Q4 2014
Shares 1,310,840 Value ($000) $64,795 Avg Close — Range —
Q3 2014
Shares 1,122,390 Value ($000) $32,246,265 Avg Close — Range —
Q2 2014
Shares 718,490 Value ($000) $18,810 Avg Close — Range —