Seagate Technology — Director's Dealing 2014

May 15, 2014

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: Seagate Technology plc (STX)
CIK: 0001137789
Period of Report: 2014-05-13

Reporting Person: LUCZO STEPHEN J (Director, Chairman and CEO)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2014-05-13	Ordinary Shares	M	60157	$11.065	Acquired	172287	Direct
2014-05-13	Ordinary Shares	M	23982	$30.23	Acquired	196269	Direct
2014-05-13	Ordinary Shares	S	54345	$50.2816	Disposed	141924	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2014-05-13	NQ Stock Options	$11.065	M	60157	Disposed	2017-09-13	Ordinary Shares (60157)	Direct
2014-05-13	NQ Stock Options	$30.23	M	23982	Disposed	2019-08-01	Ordinary Shares (23982)	Direct

Holdings (Non-Derivative)

Security	Shares	Ownership
Ordinary Shares	1485471	Indirect

Footnotes

F1: This transaction is a "sell-to-cover" transaction in which the Reporting Person used the proceeds from the sale of shares in part to fund the exercise of the options.

F2: These Ordinary Shares were sold in multiple transactions at sales prices ranging from $50.22 to $50.40, 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.

F3: 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.

F4: Options granted to the Reporting Person under the Seagate Technology plc 2012 Equity Incentive Plan are subject to a four year vesting schedule. Subject to continuous employment, one quarter of the options vested August 1, 2013.The remaining options vest in equal monthly installments over the 36 months following August 1, 2013.