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: August 11, 2003

                       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 Reports Second Quarter 2003 Financial Results


          This report on Form 6-K is hereby incorporated
by reference in the registration statement on Form F-3
(Registration Statement No. 333-12642) of Amarin
Corporation plc and in the prospectus contained therein,
and in the Registration Statement on Form F-3
(Registration No. 333-13200) 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report is filed, to the extent not superseded by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.

           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: August 11, 2003






                                           Index to Exhibits

Exhibit Item                           Sequentially Numbered Page

(a) Material Event description-                    4


                            STATEMENT OF DIFFERENCES
                            ------------------------
The registered trademark symbol shall be expressed as.....................'r'
The trademark symbol shall be expressed as................................'TM'