RPX CORP

CUSIP: 74972G103 Class: COM

FRONTIER CAPITAL MANAGEMENT CO LLC's Holding History (CIK: 0000351173)

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

Q4 2014
Shares 190,888 Value ($000) $2,630 Avg Close — Range —
Q3 2014
Shares 1,617,994 Value ($000) $22,215 Avg Close — Range —
Q2 2014
Shares 2,460,852 Value ($000) $43,680 Avg Close — Range —
Q1 2014
Shares 2,588,290 Value ($000) $42,137 Avg Close — Range —
Q4 2013
Shares 2,691,280 Value ($000) $45,483 Avg Close — Range —
Q3 2013
Shares 2,654,194 Value ($000) $46,555 Avg Close — Range —
Q2 2013
Shares 3,023,958 Value ($000) $50,802 Avg Close — Range —