PENTAIR plc — Director's Dealing 2005

Apr 19, 2005

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: PENTAIR INC (PNR)
CIK: 0000077360
Period of Report: 2005-04-15

Reporting Person: BROWN CHARLES M (President, COO Water Group)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2005-04-15	Common Stock	A	8500	—	Acquired	8500	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2005-04-15	Employee Stock Option (right to buy)	$37.74	A	60000	Acquired	2015-04-15	Common Stock (60000)	Direct

Footnotes

F1: Restricted stock granted pursuant to the Pentair, Inc. Omnibus Stock Incentive Plan. Shares remain subject to a vesting condition under the stock incentive plan.

F2: Employee stock option granted pursuant to the Pentair, Inc. Omnibus Stock Incentive Plan.

F3: One-third of the stock options become exercisable on the first, second, and third anniversary of the grant.