Seagate Technology — Director's Dealing 2012

Jan 13, 2012

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: Seagate Technology plc (STX)
CIK: 0001137789
Period of Report: 2012-01-12

Reporting Person: Whitmore Robert W (EVP & Chief Technical Officer)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2012-01-12	Ordinary Shares	M	50000	$4.045	Acquired	103704	Direct
2012-01-12	Ordinary Shares	S	50000	$18.95	Disposed	53704	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2012-01-12	NQ Stock Options	$4.045	M	50000	Disposed	2016-01-30	Ordinary Shares (50000)	Direct

Footnotes

F1: Shares were sold under a 10b5-1 plan adopted by the Reporting Person on November 28, 2011.

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 January 12, 2010. The remaining option shares vested proportionally each month over the 36 months following January 12, 2010.