Seagate Technology — Director's Dealing 2017

Feb 28, 2017

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: Seagate Technology plc (STX)
CIK: 0001137789
Period of Report: 2017-02-24

Reporting Person: MOSLEY WILLIAM D (President & COO)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2017-02-24	Ordinary Shares	M	38581	$11.06	Acquired	191546	Direct
2017-02-24	Ordinary Shares	S	38581	$47.28	Disposed	152965	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2017-02-24	NQ Stock Options	$11.06	M	38581	Disposed	2017-09-13	Ordinary Shares (38581.0)	Direct

Footnotes

F1: Ordinary Shares sold under a 10b5-1 Trading Plan adopted by the Reporting Person.

F2: These Ordinary Shares were sold in multiple transactions at sales prices ranging from $46.74 to $47.71, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in the footnote of this Form 4.

F3: Options granted to the Reporting Person on September 13, 2010 under the Issuer's 2001 Stock Option Plan are subject to a four-year vesting schedule. Subject to continuous employment, one quarter of the options vested on September 13, 2011. The remaining options vested in equal monthly installments over the 36 months following September 13, 2011.