Seagate Technology — Director's Dealing 2011

Apr 27, 2011

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: Seagate Technology plc (STX)
CIK: 0001137789
Period of Report: 2011-04-25

Reporting Person: Richarz David K (Executive Vice President,Sales)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2011-04-25	Ordinary Shares	M	40000	$3.345	Acquired	73266.4967	Direct
2011-04-25	Ordinary Shares	S	52500	$17.9699	Disposed	20766.4967	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2011-04-25	NQ Stock Options	$3.345	M	40000	Disposed	2016-03-06	Ordinary Shares (40000)	Direct

Footnotes

F1: Options granted to the Reporting Person under the Issuer's 2004 Stock Compensation Plan are subject to a four and one-half year vesting schedule. One quarter of the option shares vested on September 11, 2010. The remaining option shares vested proportionally each month over the 36 months following September 11, 2010.