PENTAIR LTD

CUSIP: H6169Q108 Class: PNR

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

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

Q1 2014
Shares 1,830,900 Value ($000) $145,264 Avg Close — Range —
Q4 2013
Shares 607,800 Value ($000) $47,208 Avg Close — Range —
Q3 2013
Shares 507,900 Value ($000) $32,983 Avg Close — Range —
Q2 2013
Shares 218,900 Value ($000) $12,628 Avg Close — Range —