PENTAIR plc — Director's Dealing 2005

Jun 16, 2005

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: PENTAIR INC (PNR)
CIK: 0000077360
Period of Report: 2005-06-16

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

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2005-06-16	Common Stock	S	600	$44.18	Disposed	141897	Direct
2005-06-16	Common Stock	S	400	$44.17	Disposed	141497	Direct
2005-06-16	Common Stock	S	100	$44.02	Disposed	141397	Direct
2005-06-16	Common Stock	S	900	$44	Disposed	140497	Direct
2005-06-16	Common Stock	S	500	$43.86	Disposed	139997	Direct
2005-06-16	Common Stock	S	1400	$43.85	Disposed	138597	Direct
2005-06-16	Common Stock	S	100	$43.84	Disposed	138497	Direct
2005-06-16	Common Stock	S	1200	$43.83	Disposed	137297	Direct
2005-06-16	Common Stock	S	1300	$43.82	Disposed	135997	Direct
2005-06-16	Common Stock	S	1000	$43.81	Disposed	134997	Direct
2005-06-16	Common Stock	S	800	$43.8	Disposed	134197	Direct
2005-06-16	Common Stock	S	1000	$43.78	Disposed	133197	Direct
2005-06-16	Common Stock	S	700	$43.77	Disposed	132497	Direct

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock	1527.866	Indirect

Footnotes

F1: The reported sale was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on March 16, 2005.