IMPERVA INC

CUSIP: 45321L100 Class: COM

PRICE T ROWE ASSOCIATES INC /MD/'s Holding History (CIK: 0000080255)

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

Q4 2018
Shares 14,850 Value ($000) $827 Avg Close — Range —
Q3 2018
Shares 14,682 Value ($000) $682 Avg Close — Range —
Q2 2018
Shares 14,562 Value ($000) $703 Avg Close — Range —
Q1 2018
Shares 14,440 Value ($000) $625 Avg Close — Range —
Q4 2017
Shares 14,314 Value ($000) $568 Avg Close — Range —
Q3 2017
Shares 15,894 Value ($000) $690 Avg Close — Range —
Q2 2017
Shares 15,894 Value ($000) $761 Avg Close — Range —
Q1 2017
Shares 15,880 Value ($000) $652 Avg Close — Range —
Q4 2016
Shares 15,880 Value ($000) $610 Avg Close — Range —
Q3 2016
Shares 15,870 Value ($000) $852 Avg Close — Range —
Q2 2016
Shares 13,170 Value ($000) $566 Avg Close — Range —
Q1 2016
Shares 1,170,815 Value ($000) $59,126 Avg Close — Range —
Q4 2015
Shares 758,605 Value ($000) $48,027 Avg Close — Range —
Q3 2015
Shares 729,715 Value ($000) $47,782 Avg Close — Range —
Q2 2015
Shares 802,235 Value ($000) $54,311 Avg Close — Range —
Q1 2015
Shares 1,106,780 Value ($000) $47,260 Avg Close — Range —
Q4 2014
Shares 5,500 Value ($000) $272 Avg Close — Range —
Q3 2014
Shares 9,500 Value ($000) $273 Avg Close — Range —
Q1 2014
Shares 4,700 Value ($000) $262 Avg Close — Range —
Q4 2013
Shares 4,700 Value ($000) $226 Avg Close — Range —