PENTAIR plc — Director's Dealing 2005

Feb 17, 2005

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: PENTAIR INC (PNR)
CIK: 0000077360
Period of Report: 2005-02-17

Reporting Person: CATHCART RICHARD J (Vice Chairman)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2005-02-17	Common Stock	S	652	$41.77	Disposed	152906	Direct
2005-02-17	Common Stock	S	4500	$41.7	Disposed	148406	Direct
2005-02-17	Common Stock	S	1600	$41.69	Disposed	146806	Direct
2005-02-17	Common Stock	S	1000	$41.68	Disposed	145806	Direct
2005-02-17	Common Stock	S	6600	$41.65	Disposed	139206	Direct
2005-02-17	Common Stock	S	1100	$41.6	Disposed	138106	Direct

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock	1526.683	Indirect