RPX CORP

CUSIP: 74972G10 Class: COM

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

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

Q1 2016
Shares 130,926 Value ($000) $1,474 Avg Close — Range —
Q4 2015
Shares 72,611 Value ($000) $799 Avg Close — Range —
Q3 2015
Shares 27,630 Value ($000) $379 Avg Close — Range —
Q1 2014
Shares 90,256 Value ($000) $1,469 Avg Close — Range —
Q4 2013
Shares 227,572 Value ($000) $3,846 Avg Close — Range —
Q3 2013
Shares 45,638 Value ($000) $800 Avg Close — Range —