Seagate Technology — Director's Dealing 2012

Nov 26, 2012

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: Seagate Technology plc (STX)
CIK: 0001137789
Period of Report: 2012-11-21

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

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2012-11-21	Ordinary Shares	M	3333	$3.345	Acquired	28798	Direct
2012-11-21	Ordinary Shares	M	1145	$11.065	Acquired	29943	Direct
2012-11-21	Ordinary Shares	M	1219	$11.155	Acquired	31162	Direct
2012-11-21	Ordinary Shares	S	5697	$27.25	Disposed	25465	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2012-11-21	NQ Stock Options	$3.345	M	3333	Disposed	2016-03-06	Ordinary Shares (3333)	Direct
2012-11-21	NQ Stock Options	$11.065	M	1145	Disposed	2017-09-13	Ordinary Shares (1145)	Direct
2012-11-21	NQ Stock Options	$11.155	M	1219	Disposed	2018-09-12	Ordinary Shares (1219)	Direct

Footnotes

F1: Options granted to the Reporting Person under the Issuer's 2004 Stock Compensation Plan are subject to a four and a half year vesting schedule. One quarter of the option shares vested on September 11, 2010. Following continuous employment, the remaining option shares vest in equal monthly installments over the 36 months following September 11, 2010.

F2: Options granted to the Reporting Person under the Issuer's 2001 Share Option Plan are subject to a four-year vesting schedule. One quarter of the option shares vested on September 13, 2011. The remaining option shares vest in equal monthly installments over the 36 months following September 13, 2011.

F3: 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 option shares vested in equal monthly installments over the 36 months following September 12, 2012.