Seagate Technology — Director's Dealing 2014

Nov 4, 2014

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: Seagate Technology plc (STX)
CIK: 0001137789
Period of Report: 2014-11-03

Reporting Person: O MALLEY PATRICK J (EVP & Chief Financial Officer)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2014-11-03	Ordinary Shares	M	2084	$11.065	Acquired	100098	Direct
2014-11-03	Ordinary Shares	M	1667	$29.87	Acquired	101765	Direct
2014-11-03	Ordinary Shares	M	9479	$40.16	Acquired	111244	Direct
2014-11-03	Ordinary Shares	S	13230	$63.3441	Disposed	98014	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2014-11-03	NQ Stock Option	$11.065	M	2084	Disposed	2017-09-13	Ordinary Shares (2084)	Direct
2014-11-03	NQ Stock Option	$29.87	M	1667	Disposed	2019-09-10	Ordinary Shares (1667)	Direct
2014-11-03	NQ Stock Option	$40.16	M	9479	Disposed	2020-09-09	Ordinary Shares (9479)	Direct

Holdings (Non-Derivative)

Security	Shares	Ownership
Ordinary Shares	425663.65	Indirect

Footnotes

F1: These Ordinary Shares were sold in multiple transactions at sales prices ranging from $63.32 to $63.37, 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.

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 options vested on September 13, 2011. The remaining options vested in equal monthly installments over the 36 months following September 13, 2011.

F3: Options granted to the Reporting Person under the Issuer's 2012 Incentive Equity Option Plan are subject to a four-year vesting schedule. One quarter of the options vested on September 10, 2013. The remaining options vest in equal monthly installments over the 36 months following September 10, 2013.

F4: Options granted to the Reporting Person under the Issuer's 2012 Equity Incentive Plan are subject to a four year vesting schedule. One quarter of the options vested on September 9, 2014.The remaining options vest in equal monthly installments over the 36 months following September 9, 2014.