X0306 4 2013-06-10 0 0000077360 PENTAIR LTD PNR 0001189049 HOGAN RANDALL J 5500 WAYZATA BLVD., SUITE 800 GOLDEN VALLEY MN 55416 1 1 0 0 Chairman, CEO Common Stock 2013-06-10 5 G 0 18520 0 D 71733 I By GRAT Common Stock 187127 I By Trust Common Stock 2013-07-11 4 M 0 122558 40.95 A 152160 D Common Stock 2013-07-11 4 S 0 122558 60 D 29602 D Employee Stock Option (right to buy) 40.95 2013-07-11 4 M 0 122558 0 D 2006-01-06 2015-01-06 Common Shares 122558 0 D Since the date of the reporting person's last ownership form, 7,359 shares previously reported as indirectly beneficially owned by GRAT have been transferred and are now indirectly beneficially owned by Trust. The reported transaction was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on May 31, 2013. One-third of the stock options became exercisable on the first, second, and third anniversary of the grant. /s/ John K. Wilson, Attorney-in-Fact for Randall J. Hogan 2013-07-12