AMARIN CORP PLC\UK — Director's Dealing 2011

May 16, 2011

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: AMARIN CORP PLC\UK (AMRN)
CIK: 0000897448
Period of Report: 2010-04-12

Reporting Person: Anderson Joseph (Director)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2010-04-12	Ordinary Shares	A	3942	$1.62	Acquired	3942	Direct
2010-07-12	Ordinary Shares	A	2801	$2.28	Acquired	6743	Direct
2010-10-11	Ordinary Shares	A	2165	$2.95	Acquired	8908	Direct
2011-01-10	Ordinary Shares	A	724	$8.81	Acquired	9632	Direct
2011-04-11	Ordinary Shares	A	751	$8.50	Acquired	10383	Direct

Footnotes

F1: The Ordinary Shares (the "Shares") may be represented by American Depositary Shares, each of which currently represents one Ordinary Share.

F2: The Ordinary Shares were issued to the reporting person pursuant to the Amarin Corporation plc Non-Employee Director Compensation Policy in lieu of board retainer fees.