PENTAIR plc — Director's Dealing 2013

May 16, 2013

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: PENTAIR LTD (PNR)
CIK: 0000077360
Period of Report: 2013-05-13

Reporting Person: Meyer Michael G (Vice President, Treasurer)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2013-05-13	Common Shares	G	100	—	Disposed	17646	Direct
2013-05-14	Common Shares	M	12000	$40.95	Acquired	29646	Direct
2013-05-14	Common Shares	M	10000	$34.28	Acquired	39646	Direct
2013-05-14	Common Shares	M	15000	$30.05	Acquired	54646	Direct
2013-05-14	Common Shares	M	13530	$31.56	Acquired	68176	Direct
2013-05-14	Common Shares	S	50530	$56.9479	Disposed	17646	Direct
2013-05-15	Common Shares	G	200	—	Disposed	17446	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2013-05-14	Employee Stock Option (right to buy)	$40.95	M	12000	Disposed	2015-01-06	Common Shares (12000)	Direct
2013-05-14	Employee Stock Option (right to buy)	$34.28	M	10000	Disposed	2016-01-03	Common Shares (10000)	Direct
2013-05-14	Employee Stock Option (right to buy)	$30.05	M	15000	Disposed	2017-01-03	Common Shares (15000)	Direct
2013-05-14	Employee Stock Option (right to buy)	$31.56	M	13530	Disposed	2017-03-01	Common Shares (13530)	Direct

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Shares - Restricted Stock Units	15607	Direct
Common Shares - ESOP	11034.3666	Indirect
Common Shares - ESPP	1845.995	Direct

Footnotes

F1: End-of-period holdings reflect the vesting of restricted stock units that were previously reported.

F2: The price in Column 4 is a weighted average price. The prices actually received ranged from $56.51 to $57.34. The reporting person has provided to the issuer, and will provide to any security holder of the issuer, or the SEC staff, upon request, information regarding the number of shares sold at each price within the range for all transactions reported in this Form 4 utilizing an average weighted 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 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: One-third of the stock options became exercisable on the first, second, and third anniversary of the grant.