Seagate Technology — Director's Dealing 2012

Apr 27, 2012

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: Seagate Technology plc (STX)
CIK: 0001137789
Period of Report: 2012-04-25

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

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2012-04-25	Ordinary Shares	M	30000	$24.63	Acquired	65215	Direct
2012-04-25	Ordinary Shares	S	30000	$30.00	Disposed	35215	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2012-04-25	NQ Stock Options	$24.63	M	30000	Disposed	2014-09-13	Ordinary Shares (30000)	Direct

Footnotes

F1: Shares were sold under a 10b5-1 Trading Plan adopted by the Reporting Person on November 8, 2011.

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, 2008. The remaining option shares vest proportionally each month over the 36 months following September 13, 2008.