PENTAIR plc — Director's Dealing 2012

Jan 5, 2012

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: PENTAIR INC (PNR)
CIK: 0000077360
Period of Report: 2012-01-02

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

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2012-01-02	Common Stock	F	461	$34.12	Disposed	29343	Direct
2012-01-02	Common Stock - Restricted Stock Units	F	590	$34.12	Disposed	8948	Direct
2012-01-03	Common Stock - Restricted Stock Units	A	2442	—	Acquired	11390	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2012-01-03	Employee Stock Option (right to buy)	$34.12	A	9097	Acquired	2022-01-03	Common Stock (9097)	Direct

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock - ESOP	10605.2031	Indirect
Common Stock - ESPP	1437.165	Direct
Common Stock	2070.27	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).

F3: Restricted stock units granted pursuant to and subject to a vesting condition of the Pentair, Inc. 2008 Omnibus Stock Incentive Plan, as Amended and Restated. Each restricted stock unit represents a right to receive one share of Pentair, Inc. common stock upon vesting.

F4: 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.

F5: Employee stock option granted under the Pentair, Inc. 2008 Omnibus Stock Incentive Plan, as Amended and Restated.

F6: One-third of the stock options become exercisable on the first, second, and third anniversary of the grant.