Amarin Announces Underwriters' Exercise of Over-Allotment Option

Amarin Corporation plc AMRN today announced that, in connection with its previously announced underwritten public offering of American Depositary Shares, the underwriters of the offering have exercised in full their option to purchase up to an aggregate of 1,800,000 additional ADSs to cover over-allotments. The exercise of the over-allotment option increases the size of the offering to an aggregate of 13,800,000 ADSs at a public offering price of $7.60 per ADS. Amarin expects to receive from the offering net proceeds of approximately $100.2 million, after deducting underwriting discounts and commissions and other estimated offering expenses. The offering, including the purchase of the additional ADSs, is expected to close on or about January 11, 2011, subject to customary closing conditions.