PENTAIR plc — Director's Dealing 2010

May 26, 2010

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: PENTAIR INC (PNR)
CIK: 0000077360
Period of Report: 2010-05-24

Reporting Person: Meyer Michael G (Vice President, Treasury/Tax)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2010-05-24	Common Stock	G	150	$0.00	Disposed	31571	Direct
2010-05-26	Common Stock	G	125	$0.00	Disposed	31446	Direct

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock	2001.996	Indirect
Common Stock - ESOP	10163.3623	Indirect
Common Stock - ESPP	893.288	Direct

Footnotes

F1: 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).

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

F3: End-of-period holdings include monthly purchase(s), since the reporting person's last filed Form, under the Pentair, Inc. Employee Stock Purchase and Bonus Plan (ESPP) in exempt transaction(s) pursuant to Rule 16b-3(c); and shares acquired pursuant to a dividend reinvestment feature of the ESPP.