PENTAIR plc — Director's Dealing 2010

Dec 23, 2010

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: PENTAIR INC (PNR)
CIK: 0000077360
Period of Report: 2010-12-21

Reporting Person: SCHROCK MICHAEL V (President, COO)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2010-12-21	Common Stock	M	11690	$26.265	Acquired	155632.624	Direct
2010-12-21	Common Stock	S	11690	$37.00	Disposed	143942.624	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2010-12-21	Employee Stock Option (right to buy)	$26.265	M	11690	Disposed	2011-01-02	Common Stock (11690)	Direct

Footnotes

F1: The reported transaction was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on August 5, 2010.