PENTAIR plc — Director's Dealing 2007

May 8, 2007

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: PENTAIR INC (PNR)
CIK: 0000077360
Period of Report: 2007-05-03

Reporting Person: MEOZZI AUGUSTO (Director)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2007-05-03	Common Stock	M	20129.191	—	Acquired	33964.191	Direct
2007-05-03	Common Stock	M	11587.579	—	Acquired	45551.77	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2007-05-03	Phantom Stock Units - Deferred Compensation	$1	M	20129.191	Disposed		Common Stock (20129.191)	Indirect
2007-05-03	Phantom Stock Units - Equity Compensation	$1	M	11587.579	Disposed		Common Stock (11587.579)	Indirect

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock	400	Indirect

Footnotes

F1: Phantom stock units convert into common stock on a one-for-one basis.

F2: Phantom stock units became exercisable on May 3, 2007, in accordance with the reporting person's irrevocable election.

F3: Includes shares acquired under a dividend reinvestment plan in exempt transaction(s) not required to be reported pursuant to Section 16(a).