<SEC-DOCUMENT>0001181431-12-064101.txt : 20121212
<SEC-HEADER>0001181431-12-064101.hdr.sgml : 20121212
<ACCEPTANCE-DATETIME>20121212165311
ACCESSION NUMBER:		0001181431-12-064101
CONFORMED SUBMISSION TYPE:	3
PUBLIC DOCUMENT COUNT:		2
CONFORMED PERIOD OF REPORT:	20121210
FILED AS OF DATE:		20121212
DATE AS OF CHANGE:		20121212

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			AMARIN CORP PLC\UK
		CENTRAL INDEX KEY:			0000897448
		STANDARD INDUSTRIAL CLASSIFICATION:	PHARMACEUTICAL PREPARATIONS [2834]
		IRS NUMBER:				000000000
		STATE OF INCORPORATION:			X0
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		FIRST FLOOR, BLOCK 3, THE OVAL,
		STREET 2:		SHELBOURNE ROAD, BALLSBRIDGE
		CITY:			DUBLIN
		STATE:			L2
		ZIP:			00000
		BUSINESS PHONE:		353 1 6699 020

	MAIL ADDRESS:	
		STREET 1:		FIRST FLOOR, BLOCK 3, THE OVAL,
		STREET 2:		SHELBOURNE ROAD, BALLSBRIDGE
		CITY:			DUBLIN
		STATE:			L2
		ZIP:			00000

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	AMARIN PHARMACEUTICALS PLC
		DATE OF NAME CHANGE:	20000201

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	ETHICAL HOLDINGS PLC
		DATE OF NAME CHANGE:	19930322

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			STACK DAVID M
		CENTRAL INDEX KEY:			0001204788

	FILING VALUES:
		FORM TYPE:		3
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	333-176897
		FILM NUMBER:		121259708

	MAIL ADDRESS:	
		STREET 1:		THE MEDICINES CO
		STREET 2:		8 CAMPUS DRIVE
		CITY:			PARSIPPANY
		STATE:			NJ
		ZIP:			07054
</SEC-HEADER>
<DOCUMENT>
<TYPE>3
<SEQUENCE>1
<FILENAME>rrd361594.xml
<DESCRIPTION>DEC 2012 FORM 3
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0206</schemaVersion>

    <documentType>3</documentType>

    <periodOfReport>2012-12-10</periodOfReport>

    <noSecuritiesOwned>1</noSecuritiesOwned>

    <issuer>
        <issuerCik>0000897448</issuerCik>
        <issuerName>AMARIN CORP PLC\UK</issuerName>
        <issuerTradingSymbol>AMRN</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001204788</rptOwnerCik>
            <rptOwnerName>STACK DAVID M</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O AMARIN PHARMA, INC.</rptOwnerStreet1>
            <rptOwnerStreet2>1430 ROUTE 206, SUITE 200</rptOwnerStreet2>
            <rptOwnerCity>BEDMINSTER</rptOwnerCity>
            <rptOwnerState>NJ</rptOwnerState>
            <rptOwnerZipCode>07921</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <ownerSignature>
        <signatureName>/s/ Frederick Ahlholm, by power of attorney</signatureName>
        <signatureDate>2012-12-12</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>EX-24.1
<SEQUENCE>2
<FILENAME>rrd324520_368157.htm
<DESCRIPTION>POWER OF ATTORNEY
<TEXT>
<HTML>
<HEAD>
<TITLE>
rrd324520_368157.html
</TITLE>
</HEAD>
<BODY>
<PRE>
POWER OF ATTORNEY<br>For Executing Forms 3, 4 and 5<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Know all by these presents, that the undersigned hereby constitutes and appoints each of Joseph Zakrzewski, John Thero and Frederick Ahlholm, each acting singly, his true and lawful attorney-in-fact from the date hereof to:<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(1)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Execute for and on behalf of the undersigned, in the undersigned's capacity as an officer, director and/or 10% shareholder of Amarin Corporation plc (the "Company"), forms and authentication documents for EDGAR Filing Access;<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(2)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;execute for and on behalf of the undersigned, in the undersigned's capacity as an officer, director and/or 10% shareholder of the Company, Forms 3, 4 and 5 in accordance with Section 16(a) of the Securities Exchange Act of 1934 and the rules thereunder;<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(3)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;do and perform any and all acts for and on behalf of the undersigned that may be necessary or desirable to complete the execution of any such Form 3, 4 or 5, complete and execute any amendment or amendments thereto, and the timely filing of such form with the United States Securities and Exchange Commission and any other authority; and<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(4)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;take any other action of any type whatsoever in connection with the foregoing which, in the opinion of such attorney-in-fact, may be of benefit to, in the best interests of, or legally required by, the undersigned, it being understood that the documents executed by such attorney-in-fact on behalf of the undersigned pursuant to this Power of Attorney shall be in such form and shall contain such terms and conditions as such attorney-in-fact may approve in his discretion.<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;The undersigned hereby grants to each such attorney-in-fact full power and authority to do and perform all and every act and thing whatsoever requisite, necessary, and proper to be done in the exercise of any of the rights and powers herein granted, as fully for all intents and purposes as the such attorney-in-fact might or could do if personally present, with full power of substitution or revocation, hereby ratifying and confirming all that such attorney-in-fact, or his substitute or substitutes, shall lawfully do or cause to be done by virtue of this power of attorney and the rights and powers herein granted.  The undersigned acknowledges that the foregoing attorneys-in-fact, in serving in such capacity at the request of the undersigned, are not assuming any of the undersigned's responsibilities to comply with Section 16 of the Securities Exchange Act of 1934, as amended.<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;This Power of Attorney shall remain in full force and effect until the undersigned is no longer required to file Forms 3, 4, and 5 with respect to the undersigned's holdings of and transactions in securities issued by the Company, unless earlier revoked by the undersigned in a signed writing delivered to the foregoing attorneys-in-fact.<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;By this Power of Attorney, the undersigned further revokes all previous powers of attorney relating to the undersigned's obligations to file Forms 3, 4 and 5 in respect of the Company's securities under Section 16(a) of the Securities Exchange Act of 1934 and related matters. <br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;IN WITNESS WHEREOF, the undersigned has caused this Power of Attorney to be executed this 1st day of December, 2012.<p>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;/s/ David Stack&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;David Stack<p><p><br>
</PRE>
</BODY>
</HTML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
