PENTAIR plc — Director's Dealing 2006

Apr 13, 2006

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: PENTAIR INC (PNR)
CIK: 0000077360
Period of Report: 2006-04-12

Reporting Person: HARRISON DAVID D (Executive Vice President, CFO)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2006-04-12	Common Stock - ESPP	A	23.345	$40.159	Acquired	188.353	Direct

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock	170033.717	Direct
Common Stock - ESOP	788.9696	Indirect
Common Stock	203.964	Indirect

Footnotes

F1: Purchase of shares under the Pentair, Inc. Employee Stock Purchase Plan in exempt transaction pursuant to Rule 16b-3(c).

F2: Shares acquired under this Plan are purchased over a three-day trading period. The price shown is the average purchase price over the trading period.