PENTAIR plc — Director's Dealing 2004

Dec 2, 2004

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: PENTAIR INC (PNR)
CIK: 0000077360
Period of Report: 2004-12-01

Reporting Person: HOGAN RANDALL J (Director, Chairman, CEO)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2004-12-01	Common Stock	S	1900	$40.2	Disposed	130172	Indirect
2004-12-01	Common Stock	S	100	$40.21	Disposed	130072	Indirect
2004-12-01	Common Stock	S	1700	$40.3	Disposed	128372	Indirect
2004-12-01	Common Stock	S	300	$40.33	Disposed	128072	Indirect
2004-12-01	Common Stock	S	2000	$40.4	Disposed	126072	Indirect
2004-12-01	Common Stock	S	3800	$40.45	Disposed	122272	Indirect
2004-12-01	Common Stock	S	200	$40.48	Disposed	122072	Indirect

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock	291616	Direct
Common Stock	16000	Indirect

Footnotes

F1: The reported sale was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on August 5, 2004.