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Filed
Pursuant to Rule 424(b)(3)
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Registration
No. 333-163704
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PROSPECTUS
SUPPLEMENT NO. 1
(To
prospectus dated December 14, 2009)
119,512,556
Ordinary Shares
AMARIN
CORPORATION PLC
This prospectus supplement supplements
the prospectus dated December 14, 2009 (the “Prospectus”), which relates to
the sale of up to 119,512,556 of our ordinary shares, par value £0.50 per share
(“Ordinary Shares”), each represented by one American Depositary Share (“ADS”),
of Amarin Corporation plc, by the selling shareholders named in the Prospectus
or their transferees, pledgees, donees or other successors in
interest.
This prospectus supplement is being
filed to include our Report of Foreign Private Issuer on Form 6-K, which
was filed with the Securities and Exchange Commission on December 21,
2009. The information contained in the report included in this
prospectus supplement is dated as of the date of such report. This
prospectus supplement should be read in conjunction with, and may not be
delivered or utilized without, the Prospectus, which is to be delivered with
this prospectus supplement. This prospectus supplement is qualified
by reference to the Prospectus, except to the extent that the information in
this prospectus supplement updates and supersedes the information contained in
the Prospectus.
Our ADSs are listed on the Nasdaq
Capital Market, the principal trading market for our securities, under the
symbol “AMRN”.
INVESTING IN THE SECURITIES INVOLVES
RISKS. SEE “RISK FACTORS” BEGINNING ON PAGE 5 OF THE PROSPECTUS FILED
ON DECEMBER 14, 2009 TO READ ABOUT FACTORS YOU SHOULD CONSIDER BEFORE BUYING THE
SECURITIES. Neither the Securities and Exchange Commission nor any
state securities commission has approved or disapproved of these securities or
determined if this prospectus is truthful or complete. Any
representation to the contrary is a criminal offense.
The date
of this prospectus supplement no. 1 is December 21, 2009
SECURITIES
AND EXCHANGE COMMISSION
Washington,
D.C. 20549
FORM
6-K
Report
of Foreign Private Issuer
Pursuant
to Rule 13a-16 or 15d-16
under
the Securities Exchange Act of 1934
For the
month of December, 2009.
Commission
File Number 0-21392
AMARIN
CORPORATION PLC
(Translation
of registrant's name into English)
First
Floor, Block 3, The Oval, Shelbourne Road, Ballsbridge, Dublin 4, Ireland
(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:
Indicate
by check mark if the registrant is submitting the Form 6-K in paper as permitted
by Regulation S-T Rule 101(b)(1):
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Yes
o
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No
x
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Note:
Regulation S-T Rule 101(b)(1) only permits the submission in paper of a Form 6-K
if submitted solely to provide an attached annual report to security
holders.
Indicate
by check mark if the registrant is submitting the Form 6-K in paper as permitted
by Regulation S-T Rule 101(b)(7):
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Yes
o
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No
x
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Note:
Regulation S-T Rule 101(b)(7) only permits the submission in paper of a Form 6-K
if submitted to furnish a report or other document that the registrant foreign
private issuer must furnish and make public under the laws of the jurisdiction
in which the registrant is incorporated, domiciled or legally organized (the
registrant's "home country"), or under the rules of the home country exchange on
which the registrant's securities are traded, as long as the report or other
document is not a press release, is not required to be and has not been
distributed to the registrant's security holders, and, if discussing a material
event, has already been the subject of a Form 6-K submission or other Commission
filing on EDGAR.
Indicate
by check mark whether by furnishing the information contained in this Form, the
registrant is also thereby furnishing the information to the Commission pursuant
to Rule 12g3-2(b) under the Securities Exchange Act of 1934.
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Yes
o
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No
x
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If "Yes"
is marked, indicate below the file number assigned to the registrant in
connection with Rule 12g3-2(b):
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, (c) the
registration statement on Form F-3 (Registration No. 333-12642) of Amarin
Corporation plc and in the prospectus contained therein, (d) the registration
statement on Form F-3 (Registration No. 333-121431) of Amarin Corporation plc
and in the prospectus contained therein, (e) the registration statement on Form
F-3 (Registration No. 333-121760) of Amarin Corporation plc and in the
prospectus contained therein, (f) the registration statement on Form F-3
(Registration No. 333-135718) of Amarin Corporation plc and in the prospectus
contained therein, (g) the registration statement on Form F-3 (Registration No.
333-131479) of Amarin Corporation plc and in the prospectus contained therein
and (h) the registration statement on Form F-3 (Registration No. 333-151986) 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.
AMARIN CORPORATION
PLC
Form
6-K Item
At the Annual General Meeting of Amarin
Corporation plc held in Dublin today, shareholders approved all of the twelve
resolutions set out in the AGM notice.
SIGNATURES
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.
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AMARIN
CORPORATION PLC
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By: /s/ Tom Maher
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Tom
Maher
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Interim
General Counsel
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Date:
December 21, 2009