Seagate Technology — Director's Dealing 2012

Nov 6, 2012

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: Seagate Technology plc (STX)
CIK: 0001137789
Period of Report: 2012-11-02

Reporting Person: Richarz David K (Executive Vice President,Sales)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2012-11-02	Ordinary Shares	M	18750	$3.345	Acquired	40038	Direct
2012-11-02	Ordinary Shares	M	46875	$11.065	Acquired	86913	Direct
2012-11-02	Ordinary Shares	S	66188	$28.0753	Disposed	20725	Direct
2012-11-05	Ordinary Shares	S	20725	$28.6534	Disposed	0	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2012-11-02	NQ Stock Options	$3.345	M	18750	Disposed	2016-03-06	Ordinary Shares (18750)	Direct
2012-11-02	NQ Stock Options	$11.065	M	46875	Disposed	2017-09-13	Ordinary Shares (46875)	Direct

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 $28.00 to $28.24, 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: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at sales prices ranging from $28.54 to $28.74, 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.

F3: Options granted to the Reporting Person under the Issuer's 2004 Stock Compensation Plan are subject to a four and a half year vesting schedule. One quarter of the option shares vested on September 11, 2010. The remaining option shares vest proportionally each month over the 36 months following September 11, 2010.

F4: Options granted to the Reporting Person under the Issuer's 2001 Share Compensation 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.