PENTAIR plc — Director's Dealing 2017

Nov 3, 2017

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: PENTAIR plc (PNR)
CIK: 0000077360
Period of Report: 2017-11-01

Reporting Person: MONAHAN WILLIAM T (Director)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2017-11-01	Common Shares	M	10000	$34.18	Acquired	50656	Direct
2017-11-01	Common Shares	S	10000	$70.2721	Disposed	40656	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2017-11-01	Nonqualified Stock Option (right to buy)	$34.18	M	10000	Disposed	2018-01-02	Common Shares (10000)	Direct

Holdings (Derivative)

Security	Exercise Price	Expiration	Underlying	Shares	Ownership
Phantom Stock Units (Deferred Compensation)	$		Common Shares (10462.099)	10462.099	Indirect
Phantom Stock Units (Equity Compensation)	$		Common Shares (2522.513)	2522.513	Indirect

Footnotes

F1: The reported transaction was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person for financial planning purposes in connection with stock options that will expire on January 2, 2018.

F2: The price in Column 4 is a weighted average price. The prices actually received ranged from $70.014 to $70.63. 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: The stock options are vested and exercisable.

F4: Phantom stock units convert into common shares on a one-for-one basis.

F5: Settlement of phantom stock units will be in Pentair plc common shares in accordance with reporting person's irrevocable election.

F6: End-of-period holdings include shares acquired under a dividend reinvestment plan in exempt transactions not required to be reported pursuant to Section 16(a).