PENTAIR plc — Director's Dealing 2006

Mar 1, 2006

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: PENTAIR INC (PNR)
CIK: 0000077360
Period of Report: 2006-02-27

Reporting Person: CATHCART RICHARD J (Director, Vice Chairman)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2006-02-27	Common Stock	F	1028	$40.69	Disposed	135315	Direct

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock - ESPP	5465.513	Direct
Common Stock	1531.98	Indirect
Common Stock - ESOP	3805.0885	Indirect

Footnotes

F1: Shares surrendered to pay taxes applicable to vesting of restricted stock.