PENTAIR plc — Director's Dealing 2006

Jul 5, 2006

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: PENTAIR INC (PNR)
CIK: 0000077360
Period of Report: 2006-07-03

Reporting Person: AINSWORTH LOUIS L (Sr. Vice President, Secretary)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2006-07-03	Common Stock	S	1000	$34.1	Disposed	118965.912	Direct
2006-07-03	Common Stock	S	300	$34.11	Disposed	118665.912	Direct
2006-07-03	Common Stock	S	700	$34.12	Disposed	117965.912	Direct
2006-07-03	Common Stock	S	600	$34.17	Disposed	117365.912	Direct
2006-07-03	Common Stock	S	1000	$34.19	Disposed	116365.912	Direct
2006-07-03	Common Stock	S	1000	$34.23	Disposed	115365.912	Direct
2006-07-03	Common Stock	S	400	$34.24	Disposed	114965.912	Direct

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock - ESOP	1553.3112	Indirect
Common Stock	3637.682	Indirect

Footnotes

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

F2: End-of-period holdings include shares acquired under a dividend reinvestment plan in exempt transaction not required to be reported pursuant to Section 16(a).