Seagate Technology — Director's Dealing 2016

Sep 13, 2016

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: Seagate Technology plc (STX)
CIK: 0001137789
Period of Report: 2016-09-09

Reporting Person: RE MARK (SVP & CTO)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2016-09-12	Ordinary Shares	F	3077	—	Disposed	43893	Direct
2016-09-09	Ordinary Shares	A	10516	—	Acquired	54409	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2016-09-09	NQ Stock Options	$36.09	A	36850	Acquired	2023-09-09	Ordinary Shares (36850.0)	Direct

Footnotes

F1: These Ordinary Shares are withheld securities to cover tax liabilities incident to the vesting of securities previously reported on one or more Forms 4 by the Reporting Person in accordance with Rule 16b-3.

F2: Consists of a grant of restricted stock units, of which 10,516 remain outstanding, awarded to the Reporting Person under the Seagate Technology plc 2012 Equity Incentive Plan (the "Plan"). The restricted stock units will be converted into ordinary shares on a one-for-one basis. Subject to the Reporting Person's continuous employment, such restricted stock units will be settled in ordinary shares in equal installments on each of the first four anniversaries of September 9, 2016.

F3: Options granted to the Reporting Person under the Issuer's 2012 Equity Incentive Plan are subject to a four year vesting schedule. Subject to continuous employment, one quarter of the option shares will vest on September 9, 2017. The remaining option shares will vest in equal monthly installments over the 36 months following September 9, 2017.