Seagate Technology — Director's Dealing 2012

Aug 13, 2012

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: Seagate Technology plc (STX)
CIK: 0001137789
Period of Report: 2012-08-09

Reporting Person: REYES GREGORIO (Director)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2012-08-09	Ordinary Shares	M	25000	$22.695	Acquired	44468	Direct
2012-08-09	Ordinary Shares	M	7500	$6.525	Acquired	51968	Direct
2012-08-09	Ordinary Shares	M	5000	$14.825	Acquired	56968	Direct
2012-08-09	Ordinary Shares	S	37500	$33.0827	Disposed	19468	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2012-08-09	NQ Stock Options	$22.695	M	25000	Disposed	2013-10-26	Ordinary Shares (25000)	Direct
2012-08-09	NQ Stock Options	$6.525	M	7500	Disposed	2015-10-30	Ordinary Shares (7500)	Direct
2012-08-09	NQ Stock Options	$14.825	M	5000	Disposed	2016-10-28	Ordinary Shares (5000)	Direct

Holdings (Non-Derivative)

Security	Shares	Ownership
Ordinary Shares	31488	Indirect

Footnotes

F1: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at sales prices ranging from $33.04 to $33.125, 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 range set forth in this footnote.

F2: Options granted to the Reporting Person under the Issuer's 2004 Stock Compensation Plan were subject to a four-year vesting schedule. One quarter of the shares vested on October 26, 2007. The remaining three quarters vested proportionally annually on October 26 over the three years thereafter.

F3: 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 shares vested on October 15, 2009. The remaining options are vesting and will continue to vest proportionally each month over the 36 months following October 15, 2009.

F4: 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 shares vested on October 15, 2010.The remaining options are vesting and will continue to vest proportionally each month over the 36 months following October 15, 2010.