144/A 0001968582-23-000346 0001161492 XXXXXXXX LIVE 0001758488 OneSpaWorld Holdings Limited 001-38843 Harry B. Sands, Lobosky Mgmt. Co. Ltd. Office 2, Pineapple Bus. Pk, PO Box N624 Nassau C5 0000 2423222670 Steven J. Heyer Affiliate Common Shares J.P. Morgan Securities LLC

390 Madison Avenue - 6th Floor New York NY 10017

700000 8295000 99420000 07/19/2023 Nasdaq Common Shares 03/19/2019 Initial Public Offering Issuer N 686420 03/19/2019 Exchange of Assets Common Shares 06/12/2020 Follow-On Offering Issuer N 13580 06/12/2020 Cash Y 07/19/2023 /s/ J.P. Morgan Securities LLC as agent and attorney-in-fact for Steven J. Heyer