PENTAIR plc — Director's Dealing 2018

May 4, 2018

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: PENTAIR plc (PNR)
CIK: 0000077360
Period of Report: 2018-05-02

Reporting Person: JACKO JOHN H (EVP & Chief Growth Officer)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2018-05-02	Common Shares - Restricted Stock Units	A	3303	—	Acquired	20492.35	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2018-05-02	Employee Stock Option (right to buy)	$45.42	A	13739	Acquired	2028-05-02	Common Shares (13739)	Direct

Holdings (Derivative)

Security	Exercise Price	Expiration	Underlying	Shares	Ownership
Employee Stock Option (right to buy)	$38.68	2027-02-28	Common Shares (10066)	10066	Direct

Footnotes

F1: Restricted stock units granted pursuant to and subject to a vesting condition of the Pentair plc 2012 Stock and Incentive Plan. Each restricted stock unit represents a right to receive one Pentair plc share upon vesting.

F2: The number of restricted stock units was adjusted to increase by 3,783 shares in connection with the spin-off of nVent Electric plc from Pentair plc on April 30, 2018 pursuant to the anti-dilution provisions of the Pentair plc 2012 Stock and Incentive Plan.

F3: Employee stock option granted under the Pentair plc 2012 Stock and Incentive Plan.

F4: One-third of the stock options become exercisable on the first, second and third anniversary of the grant.

F5: The exercise price and number of stock options were adjusted in connection with the spin-off of nVent Electric plc on April 30, 2018 pursuant to the anti-dilution provisions of the Pentair plc 2012 Stock and Incentive Plan.

F6: One-third of this option is presently exercisable. The remaining two-thirds become exercisable on February 28, 2019 and February 28, 2020.