AMARIN CORP PLC\UK — Director's Dealing 2022

Feb 8, 2022

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: AMARIN CORP PLC\UK (AMRN)
CIK: 0000897448
Period of Report: 2022-02-04

Reporting Person: Ketchum Steven B (N/A)

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2022-02-04	Stock Option (Right to Buy)	$3.66	A	131700.00	Acquired	2032-02-04	Ordinary Shares (131700.00)	Direct
2022-02-04	Restricted Stock Units	$0.00	A	103700.00	Acquired		Ordinary Shares (103700.00)	Direct

Footnotes

F1: On February 4, 2022, the Reporting Person was granted an option to purchase 131,700 Ordinary Shares under the Amarin Corporation plc 2020 Stock Incentive Plan (the "2020 Plan"). The shares subject to this option shall vest and become exercisable over four years, with 25% to vest on the first anniversary of the grant date and the balance to vest ratably over the subsequent 12 calendar quarters on the last day of each April, July, October and January.

F2: The Ordinary Shares may be represented by American Depositary Shares, each of which currently represents one Ordinary Share.

F3: Each Restricted Stock Unit ("RSU") represents a contingent right to receive one Ordinary Share or cash in lieu thereof at the Issuer's discretion.

F4: On February 4, 2022, the Reporting Person was granted 103,700 RSUs under the 2020 Plan. These RSUs vest in three equal installments on each of January 31, 2023, January 31, 2024 and January 31, 2025.

F5: Not applicable.