Seagate Technology — Director's Dealing 2014

Aug 27, 2014

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: Seagate Technology plc (STX)
CIK: 0001137789
Period of Report: 2014-08-25

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

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2014-08-25	Ordinary Shares	M	43750	$11.065	Acquired	107517	Direct
2014-08-25	Ordinary Shares	M	19166	$29.87	Acquired	126683	Direct
2014-08-25	Ordinary Shares	S	62916	$60.8882	Disposed	63767	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2014-08-25	NQ Stock Option	$11.065	M	43750	Disposed	2017-09-13	Ordinary Shares (43750)	Direct
2014-08-25	NQ Stock Option	$29.87	M	19166	Disposed	2019-09-10	Ordinary Shares (19166)	Direct

Holdings (Non-Derivative)

Security	Shares	Ownership
Ordinary Shares	440663.65	Indirect

Footnotes

F1: Includes 90 Ordinary Shares purchased by the Reporting Person on July 31, 2014 under the Issuer's Employee Stock Purchase Plan. Such acquisition is exempt from reporting pursuant to Rule 16b-3 under the Securities Exchange Act of 1934.

F2: These Ordinary Shares were sold in multiple transactions at sales prices ranging from $60.85 to $60.96, 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 Issuer's 2001 Share Option Plan are subject to a four-year vesting schedule. One quarter of the option shares vested on September 13, 2011. The remaining options vest in equal monthly installments over the 36 months following September 13, 2011.

F4: 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 option shares vested on September 10, 2013. The remaining options vest in equal monthly installments over the 36 months following September 10, 2013.