Seagate Technology — Director's Dealing 2013

Nov 5, 2013

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: Seagate Technology plc (STX)
CIK: 0001137789
Period of Report: 2013-11-01

Reporting Person: MASSARONI KENNETH M (EVP,General Counsel, CAO)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2013-11-01	Ordinary Shares	M	1750	$11.065	Acquired	61305	Direct
2013-11-01	Ordinary Shares	S	1750	$48.95	Disposed	59555	Direct
2013-11-01	Ordinary Shares	S	14100	$48.3862	Disposed	45455	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2013-11-01	NQ Stock Options	$11.065	M	1750	Disposed	2017-09-13	Ordinary Shares (1750)	Direct

Footnotes

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

F2: Ordinary Shares reported sold pursuant to a 10b5-1 Trading Plan to cover the tax liabilities relating to the vesting of performance stock units.

F3: These Ordinary Shares were sold in multiple transactions at sales prices ranging from $48.31 to $48.54, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in the footnote of this Form 4.

F4: Options granted to the Reporting Person under the Seagate Technology 2001 Stock Option Plan are subject to a four year vesting schedule. One quarter of the options vested on September 13, 2011. Following continuous employment, the remaining options vest proportionately over the 36 months following September 13, 2011.