Seagate Technology — Director's Dealing 2014

Oct 31, 2014

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: Seagate Technology plc (STX)
CIK: 0001137789
Period of Report: 2014-10-29

Reporting Person: MORTON DAVID H JR (SVP, FINANCE, TREASURER & PAO)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2014-10-29	Ordinary Shares	S	3139	$60.00	Disposed	17051	Direct
2014-10-30	Ordinary Shares	M	2437	$11.155	Acquired	19488	Direct
2014-10-30	Ordinary Shares	M	874	$29.87	Acquired	20362	Direct
2014-10-30	Ordinary Shares	M	168	$40.16	Acquired	20530	Direct
2014-10-30	Ordinary Shares	S	3655	$60.00	Disposed	16875	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2014-10-30	NQ Stock Options	$11.155	M	2437	Disposed	2018-09-12	Ordinary Shares (2437)	Direct
2014-10-30	NQ Stock Options	$29.87	M	874	Disposed	2019-09-10	Ordinary Shares (874)	Direct
2014-10-30	NQ Stock Options	$40.16	M	168	Disposed	2020-09-09	Ordinary Shares (168)	Direct

Footnotes

F1: Shares sold pursuant to a 10b5-1 Trading Plan.

F2: Options granted to the Reporting Person under the Issuer's 2004 Stock Compensation Plan are subject to a four-year vesting schedule. One quarter of the option shares vested on September 12, 2012. The remaining options vest in equal monthly installments over the 36 months following September 12, 2012.

F3: Options granted to the Reporting Person under the Issuer's 2012 Incentive Equity Option Plan are subject to a four-year vesting schedule. One quarter of the option shares vested on September 10, 2013. The remaining options vest in equal monthly installments over the 36 months following September 10, 2013.

F4: Options granted to the Reporting Person under the Issuer's 2012 Incentive Equity Option Plan are subject to a four-year vesting schedule. One quarter of the option shares vested on September 9, 2014. The remaining options vest in equal monthly installments over the 36 months following September 9, 2014.