AMARIN CORP PLC\UK — Director's Dealing 2012

Feb 3, 2012

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: AMARIN CORP PLC\UK (AMRN)
CIK: 0000897448
Period of Report: 2012-02-01

Reporting Person: Kennedy Joseph T (Senior VP and General Counsel)

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2012-02-01	Stock Option (right to buy)	$8.86	A	62500	Acquired	2022-01-31	Ordinary Shares (62500)	Direct

Footnotes

F1: 1/48th of the option award shall vest every month for 48 months on the last day of each calendar month commencing February 29, 2012; provided, however, that if the one-year anniversary of the Reporting Person's first date of employment with the Issuer (December 16, 2011) shall not have occurred on the grant date, the options subject to this grant that would otherwise vest during the first year of employment shall not vest on a monthly basis during the first year of employment, but shall accrue monthly at the same rate, and then vest on such one-year anniversary.

F2: The Ordinary Shares may be represented by American Depositary Shares, each of which currently represents one Ordinary Share.