RPX CORP

CUSIP: 74972G103 Class: COM

PRIMECAP MANAGEMENT CO/CA/'s Holding History (CIK: 0000763212)

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

Q3 2013
Shares 86,000 Value ($000) $1,508 Avg Close — Range —
Q2 2013
Shares 86,000 Value ($000) $1,445 Avg Close — Range —