Seagate Technology — Director's Dealing 2012

Aug 29, 2012

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: Seagate Technology plc (STX)
CIK: 0001137789
Period of Report: 2012-08-27

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

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2012-08-27	Ordinary Shares	M	100000	$22.695	Acquired	315880	Direct
2012-08-27	Ordinary Shares	M	10000	$26.465	Acquired	325880	Direct
2012-08-27	Ordinary Shares	M	3334	$6.525	Acquired	329214	Direct
2012-08-27	Ordinary Shares	M	729166	$4.045	Acquired	1058380	Direct
2012-08-27	Ordinary Shares	M	197656	$11.065	Acquired	1256036	Direct
2012-08-27	Ordinary Shares	S	607231	$33.7702	Disposed	648805	Direct
2012-08-15	Ordinary Shares	G	25000	—	Disposed	2329692	Indirect
2012-08-22	Ordinary Shares	G	25000	—	Disposed	2304692	Indirect

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2012-08-27	NQ Options	$22.695	M	100000	Disposed	2013-10-26	Ordinary Shares (100000)	Direct
2012-08-27	NQ Options	$26.465	M	10000	Disposed	2014-10-25	Ordinary Shares (10000)	Direct
2012-08-27	NQ Options	$6.525	M	3334	Disposed	2015-10-30	Ordinary Shares (3334)	Direct
2012-08-27	NQ Options	$4.045	M	729166	Disposed	2016-01-30	Ordinary Shares (729166)	Direct
2012-08-27	NQ Options	$11.065	M	197656	Disposed	2017-09-13	Ordinary Shares (197656)	Direct

Holdings (Non-Derivative)

Security	Shares	Ownership
Ordinary Shares	150000	Indirect
Ordinary Shares	150000	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 $33.75 to $33.86, 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: Reflects a gift of 25,000 ordinary shares on August 15, 2012 and a gift of 25,000 shares on August 22, 2012 to the Fidelity Investments Charitable Gift Fund.

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 option shares vested on October 26, 2007. The remaining option shares vested proportionally annually thereafter on October 26.

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 option shares vested on October 15, 2008. The remaining option shares vest proportionally each month over the 36 months following October 15, 2008.

F5: 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 option shares vested on October 15, 2009. The remaining option shares vest proportionally each month over the 36 months following October 15, 2009.

F6: 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 option shares vested on January 12, 2010. The remaining option shares vest proportionally each month over the 36 months following January 12, 2010.

F7: 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 option shares vest proportionally each month over the 36 months following September 13, 2011.