PROOFPOINT INC

CUSIP: 74342410 Class: COM

ARROWSTREET CAPITAL, LIMITED PARTNERSHIP's Holding History (CIK: 0001164508)

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

Q3 2016
Shares 6,500 Value ($000) $487 Avg Close — Range —
Q4 2015
Shares 9,100 Value ($000) $592 Avg Close — Range —
Q3 2015
Shares 9,971 Value ($000) $635 Avg Close — Range —
Q2 2015
Shares 9,971 Value ($000) $635 Avg Close — Range —
Q1 2014
Shares 25,731 Value ($000) $954 Avg Close — Range —
Q4 2013
Shares 54,369 Value ($000) $1,803 Avg Close — Range —