PENTAIR plc — Director's Dealing 2010

Mar 3, 2010

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: PENTAIR INC (PNR)
CIK: 0000077360
Period of Report: 2010-03-01

Reporting Person: AINSWORTH LOUIS L (Sr. Vice President)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2010-02-16	Common Stock	G	250	$0.00	Disposed	134693.654	Direct
2010-03-01	Common Stock	F	33	$34.32	Disposed	134660.654	Direct

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock	3941.084	Indirect
Common Stock - ESOP	2061.5803	Indirect

Footnotes

F1: Shares surrendered to pay taxes applicable to vesting of restricted stock.

F2: 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).