PENTAIR plc — Director's Dealing 2008

Aug 1, 2008

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: PENTAIR INC (PNR)
CIK: 0000077360
Period of Report: 2008-07-31

Reporting Person: HOGAN RANDALL J (Director, Chairman, CEO)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2008-07-31	Common Stock	M	19000	$19.8125	Acquired	214218	Direct
2008-07-31	Common Stock	S	19000	$35.04	Disposed	195218	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2008-07-31	Employee Stock Option (right to buy)	$19.8125	M	19000	Disposed	2009-01-14	Common Stock (19000)	Direct

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock	1452	Indirect
Common Stock	1452	Indirect
Common Stock	14548	Indirect
Common Stock	352927	Indirect

Footnotes

F2: Upon request by the Commission, the company or a shareholder, the reporting person will provide full details of the information reported regarding the number of shares sold at each separate price.

F1: The reported price for this transaction is the weighted average price, and the range of prices is $35.00 to $35.15.