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: March 1, 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) Resignation of Amarin Officers following 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be deemed a part of each such registration statement from the date on which this report is filed, to the extent not superseded by documents or reports subsequently filed or furnished by Amarin Corporation plc under the Securities Act of 1933 or the Securities Exchange Act of 1934.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: March 1, 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 RESIGNATION OF AMARIN OFFICERS FOLLOWING ASSET SALE TO VALEANT PHARMACEUTICALS INTERNATIONAL LONDON, United Kingdom, March 1, 2004: Amarin Corporation plc NASDAQ: AMRN) today announced the resignation of three of its senior executives following the sale of its U.S. based subsidiary, Amarin Pharmaceuticals, Inc. and a majority of its U.S. products to Valeant Pharmaceuticals International (NYSE: VRX). Michael D. Coffee, Director, President and Chief Operating Officer, Donald R. Joseph, Executive Vice President commercial development and Steve Guillen, Vice President of sales and marketing have all resigned from Amarin with immediate effect. 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.