AMARIN CORP PLC\UK — Director's Dealing 2022

May 3, 2022

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: AMARIN CORP PLC\UK (AMRN)
CIK: 0000897448
Period of Report: 2022-05-02

Reporting Person: Marks Jason M. (N/A)

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2022-05-02	Restricted Stock Units	$0.00	A	150000.00	Acquired		Ordinary Shares (150000.00)	Direct

Footnotes

F1: Each Restricted Stock Unit ("RSU") represents a contingent right to receive one Ordinary Share or cash in lieu thereof at the Issuer's discretion.

F2: On May 2, 2022, the Reporting Person was granted 150,000 RSUs under the Amarin Corporation plc 2020 Stock Incentive Plan (the "2020 Plan"). These RSUs vest in three equal installments on each of May 2, 2023, May 2, 2024 and May 2, 2025.

F3: Not applicable.

F4: The Ordinary Shares may be represented by American Depositary Shares, each of which currently represents one Ordinary Share.