RPX CORP

CUSIP: 74972G103 Class: COM

OCONNOR, A Distinct Business Unit of UBS ASSET MANAGEMENT AM's Holding History (CIK: 0001132716)

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

Q1 2015
Shares 33,447 Value ($000) $481,000 Avg Close — Range —
Q4 2014
Shares 22,645 Value ($000) $312,000 Avg Close — Range —