X0306 4 2014-02-26 0 0000077360 PENTAIR LTD PNR 0001105475 MONAHAN WILLIAM T 5500 WAYZATA BLVD., SUITE 800 GOLDEN VALLEY MN 55416 1 0 0 0 Common Shares 2014-02-26 4 M 0 10000 40.42 A 45627 D Common Shares 2014-02-26 4 S 0 10000 80.3008 D 35627 D Nonqualified Stock Option (right to buy) 40.42 2014-02-26 4 M 0 10000 0 D 2015-02-23 Common Shares 10000 0 D Phantom Stock Units (Deferred Compensation) Common Shares 4607.886 4607.886 I Plan Agent The price in Column 4 is a weighted average price. The prices actually received ranged from $80.30 to $80.311. The reporting person has provided to the issuer, and will provide to any security holder of the issuer, or the SEC staff, upon request, information regarding the number of shares sold at each price within the range for all transactions reported in this Form 4 utilizing an average weighted price. This option is vested and exercisable. Phantom stock units convert into common shares on a one-for-one basis. Settlement of phantom stock units will be in Pentair Ltd. common shares in accordance with reporting person's irrevocable election. End-of-period holdings include shares acquired under a dividend reinvestment plan in exempt transactions not required to be reported pursuant to Section 16(a). /s/ John K. Wilson, Attorney-in-Fact for William T. Monahan 2014-02-27