Seagate Technology — Director's Dealing 2013

Jan 24, 2013

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: Seagate Technology plc (STX)
CIK: 0001137789
Period of Report: 2013-01-22

Reporting Person: PARK CHONG SUP (Director)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2013-01-22	Ordinary Shares	M	10000	$26.465	Acquired	29103	Direct
2013-01-22	Ordinary Shares	M	9374	$6.525	Acquired	38477	Direct
2013-01-22	Ordinary Shares	S	10000	$36.00	Disposed	28477	Direct
2013-01-22	Ordinary Shares	S	9374	$37.00	Disposed	19103	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2013-01-22	NQ Stock Options	$26.465	M	10000	Disposed	2014-10-25	Ordinary Shares (10000)	Direct
2013-01-22	NQ Stock Options	$6.525	M	9374	Disposed	2015-10-30	Ordinary Shares (9374)	Direct

Holdings (Non-Derivative)

Security	Shares	Ownership
Ordinary Shares	26698	Indirect

Footnotes

F1: On November 8, 2012, the Reporting Person transferred 1,250 shares from direct holdings to the trust. Such transfer is exempt from reporting pursuant to Rule 16a-13 under the Securities Exchange Act of 1934.

F2: Shares sold under a 10b5-1 Trading Plan.

F3: Options granted to the Reporting Person under the Seagate Technology 2004 Stock Compensation Plan are subject to a four year vesting schedule. Subject to continuous employment, one quarter of the option shares vested on October 15, 2008. The remaining options vested in equal installments over the 36 months following October 15, 2008.

F4: Options granted to the Reporting Person under the Seagate Technology 2004 Stock Compensation Plan are subject to a four year vesting schedule. Subject to continuous employment, one quarter of the option shares vested on October 15, 2009. The remaining options vested in equal installments over the 36 months following October 15, 2009.