X0306 4 2019-05-20 0 0001758488 ONESPAWORLD HOLDINGS Ltd OSW 0001227965 STIEFLER JEFFREY E 770 SOUTH DIXIE HIGHWAY, SUITE 200 CORAL GABLES FL 33146 1 0 0 0 Common Shares 2019-05-20 4 J 0 41431 A 41431 I By Stiefler Trust U/T/D 5/31/07 Warrants 11.50 2019-05-20 4 J 0 42602 A 2024-03-19 Common Shares 42602 42602 I By Stiefler Trust U/T/D 5/31/07 On May 20, 2019, Haymaker Sponsor, LLC ("Sponsor"), distributed common shares and warrants to purchase common shares of OneSpaWorld Holdings Limited ("Common Shares") to its members on a pro rata basis, with no consideration being paid in connection therewith. Common Shares and warrants held by the Stiefler Trust U/T/D 5/31/07. Mr. Stiefler is the trustee of this trust and has voting and dispositive power of the securities held by it. Accordingly, Mr. Stiefler may be deemed to have or share beneficial ownership of such securities. Each warrant is exercisable for one Common Share at an exercise price of $11.50 per share. /s/ Stephen B. Lazarus, as Attorney-in-Fact for Jeffrey E. Stiefler 2019-05-22