AMARIN CORP PLC\UK — Director's Dealing 2022

Jun 29, 2022

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: AMARIN CORP PLC\UK (AMRN)
CIK: 0000897448
Period of Report: 2022-06-27

Reporting Person: O'Sullivan Patrick J (N/A)

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2022-06-27	Stock Option (Right to Buy)	$1.92	A	115919.00	Acquired	2032-06-27	Ordinary Shares (115919.00)	Direct
2022-06-27	Restricted Stock Units	$0.00	A	93750.00	Acquired		Ordinary Shares (93750.00)	Direct

Footnotes

F1: On June 27, 2022, the Reporting Person was granted an option to purchase 115,919 Ordinary Shares under the Amarin Corporation plc 2020 Stock Incentive Plan (the "Plan"). The option shall vest and become exercisable in a single annual installment upon the earlier of (i) the anniversary of the grant date of June 27, 2022 or (ii) the Issuer's annual general meeting of shareholders in 2023.

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, with settlement to be made on a deferred basis, specifically upon the non-employee director's separation of service with the Issuer.

F4: On June 27, 2022, the Reporting Person was granted 93,750 RSUs under the Plan. The RSUs vest in equal annual installments over a three-year period, with each installment vesting upon the earlier of (i) the anniversary of the grant date of June 27, 2022 or (ii) the Issuer's annual general meeting of shareholders in such year.

F5: Not applicable.