PENTAIR plc — Director's Dealing 2007

Aug 30, 2007

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: PENTAIR INC (PNR)
CIK: 0000077360
Period of Report: 2007-08-28

Reporting Person: CATHCART RICHARD J (Director, Vice Chairman)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2007-08-28	Common Stock	S	200	$35	Disposed	111735.159	Direct
2007-08-28	Common Stock	S	5900	$35.08	Disposed	105835.159	Direct
2007-08-28	Common Stock	S	500	$35.09	Disposed	105335.159	Direct
2007-08-28	Common Stock	S	200	$35.1	Disposed	105135.159	Direct
2007-08-28	Common Stock	S	400	$35.11	Disposed	104735.159	Direct
2007-08-28	Common Stock	S	1300	$35.12	Disposed	103435.159	Direct
2007-08-28	Common Stock	S	200	$35.14	Disposed	103235.159	Direct
2007-08-28	Common Stock	S	5000	$35.19	Disposed	98235.159	Direct
2007-08-28	Common Stock	S	1000	$35.2	Disposed	97235.159	Direct
2007-08-28	Common Stock	S	200	$35.21	Disposed	97035.159	Direct
2007-08-28	Common Stock	S	4827	$35.22	Disposed	92208.159	Direct
2007-08-29	Common Stock	S	200	$35.18	Disposed	92008.159	Direct
2007-08-29	Common Stock	S	1600	$35.19	Disposed	90408.159	Direct
2007-08-29	Common Stock	S	1100	$35.21	Disposed	89308.159	Direct
2007-08-29	Common Stock	S	1100	$35.22	Disposed	88208.159	Direct
2007-08-29	Common Stock	S	1700	$35.23	Disposed	86508.159	Direct
2007-08-29	Common Stock	S	300	$35.25	Disposed	86208.159	Direct
2007-08-29	Common Stock	S	500	$35.26	Disposed	85708.159	Direct
2007-08-29	Common Stock	S	800	$35.27	Disposed	84908.159	Direct

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock - ESPP	6124.141	Direct
Common Stock	1737.899	Indirect
Common Stock - ESOP	4110.2626	Indirect

Footnotes

F3: 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).

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 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.