PENTAIR plc — Director's Dealing 2011

Jun 1, 2011

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: PENTAIR INC (PNR)
CIK: 0000077360
Period of Report: 2011-05-27

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

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2011-05-26	Common Stock	G	130	$0.00	Disposed	29969	Direct
2011-05-27	Common Stock	M	7680	$17.47	Acquired	37649	Direct
2011-05-27	Common Stock	M	14940	$22.88	Acquired	52589	Direct
2011-05-27	Common Stock	S	22620	$39.90	Disposed	29969	Direct
2011-05-27	Common Stock	G	165	$0.00	Disposed	29804	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2011-05-27	Employee Stock Option (right to buy)	$17.47	M	7680	Disposed	2013-01-02	Common Stock (7680)	Direct
2011-05-27	Employee Stock Option (right to buy)	$22.88	M	14940	Disposed	2014-01-02	Common Stock (14940)	Direct

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock	2046.444	Indirect
Common Stock - ESOP	10471.2013	Indirect
Common Stock - ESPP	1237.999	Direct

Footnotes

F1: The reported price is a weighted average price. These shares were sold in multiple transactions at prices ranging from $39.89 to $39.941, inclusive.

F2: Upon request by the Securities and Exchange Commission, Pentair, Inc., or any security holder of Pentair, Inc., the reporting person undertakes to provide full information regarding the number of shares sold at each separate price.

F3: 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).

F4: 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).

F5: End-of-period holdings include monthly purchase(s) 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.