SECURITIES AND EXCHANGE COMMISSION
	                      Washington, D.C. 20549

	                              FORM 6-K

             REPORT OF FOREIGN PRIVATE ISSUERS PURSUANT TO RULE
             13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT
                                  OF 1934

             Dated: February 26, 2004

                       Commission file number 0-21392

                            AMARIN CORPORATION PLC
            (Exact name of Registrant as Specified in its Charter)

                                   ENGLAND
                      (Jurisdiction of Incorporation or
                            organization of Issuer)


                                7 Curzon Street
                             London W1J 5HG, England
                      (Address of Principal Executive Offices)

     Indicate by check mark whether the registrant files
or will file annual reports under cover of Form 20-F or
Form 40-F.

            [X] Form 20-F            [ ] Form 40-F

     Indicate by check mark whether the registrant by
furnishing the information contained in this Form is
also thereby furnishing the information to the
Commission pursuant to Rule 12g3-2(b) under the
Securities Exchange Act of 1934.

            [ ] Yes                  [X] No

Attachment:

Material Events

(a) Amarin Corporation Completes Asset Sale to
    Valeant Pharmaceuticals International.


This report on Form 6-K is hereby incorporated by reference in
(a) the registration statement on Form F-3 (Registration No.
333-104748) of Amarin Corporation plc and in the prospectus
contained therein, (b)the registration statement on Form F-3
(Registration No. 333-13200) of Amarin Corporation plc and in
the prospectus contained therein and (c)the registration
statement on Form F-3 (Registration No.333-12642) of Amarin
Corporation plc and in the prospectus contained therein, and
this report on Form 6-K shall be deemed a part of each such
registration statement from the date on which this report is
filed, to the extent not superseded by documents or reports
subsequently filed or furnished by Amarin Corporation plc under
the Securities Act of 1933 or the Securities Exchange Act of
1934.

           Pursuant to the requirements of the
Securities Exchange Act of 1934, the registrant has duly
caused this report to be signed on its behalf by the
undersigned, thereunto duly authorized.


                         AMARIN CORPORATION PLC



                        By:/s/Richard A B Stewart
                          Richard A B Stewart
                          Chief Executive Officer



Date: February 26, 2004



               Index to Exhibits

Exhibit Item                  Sequentially Numbered Page

(a) Material Event description-             4







                                       Exhibit (a)


Contact:
Rick Stewart
Chief Executive Officer
Amarin Corporation plc
Phone: +44 (0) 207 907 2442
investor.relations@amarincorp.com

Ian Garland
Chief Financial Officer
Amarin Corporation plc
Phone +44 (0) 207 907 2444
investor.relations@amarincorp.com

                  AMARIN CORPORATION COMPLETES ASSET SALE TO
                     VALEANT PHARMACEUTICALS INTERNATIONAL


     LONDON, United Kingdom, February 26, 2004 Amarin Corporation
plc (NASDAQ: AMRN) today announced that it has completed the sale
of its U.S. based subsidiary, Amarin Pharmaceuticals, Inc. and a
majority of its U.S. products to Valeant Pharmaceuticals
International (Valeant) (NYSE: VRX).  The terms of the transaction
were substantially as previously announced on February 12.  Under
the terms of the merger, Amarin Pharmaceuticals, Inc. will become
a wholly owned subsidiary of Valeant Pharmaceuticals International.

     Amarin also announces that it has settled its financial
obligations to Elan under the terms announced on February 12,
2004.

     For press releases and other corporate information, visit our
website at http://www.amarincorp.com.

     Statements in this press release that are not historical
facts are forward-looking statements that involve risks and
uncertainties which may cause the Company's actual results in
future periods to be materially different from any performance
suggested herein.  Such risks and uncertainties include, without
limitation, the uncertainty of entering into and consummating a
definitive agreement on terms acceptable to the parties, the
inherent uncertainty of pharmaceutical research, product
development and commercialization, the impact of competitive
products and patents, as well as other risks and uncertainties
detailed from time to time in periodic reports.  For more
information, please refer to Amarin Corporation's Annual Report
for 2002 on Form 20-F and its Form 6-Ks as filed with the U.S.
Securities and Exchange Commission.  Amarin Corporation assumes no
obligation to update information on its expectations.