X0708 D LIVE 0002111901 McDermott International, Ltd 17320 Katy Freeway, 4th Floor Houston TX TEXAS 77094 (281) 870-5000 BERMUDA None None Corporation true Michael McKelvy c/o McDermott International, Ltd 17320 Katy Freeway, 4th Floor Houston TX TEXAS 77094 Executive Officer Director Ahmed Attiga c/o McDermott International, Ltd 17320 Katy Freeway, 4th Floor Houston TX TEXAS 77094 Director Craig Broderick c/o McDermott International, Ltd 17320 Katy Freeway, 4th Floor Houston TX TEXAS 77094 Director Barbara Duganier c/o McDermott International, Ltd 17320 Katy Freeway, 4th Floor Houston TX TEXAS 77094 Director Michael Martino c/o McDermott International, Ltd 17320 Katy Freeway, 4th Floor Houston TX TEXAS 77094 Director Lee McIntire c/o McDermott International, Ltd 17320 Katy Freeway, 4th Floor Houston TX TEXAS 77094 Director Farhad Nanji c/o McDermott International, Ltd 17320 Katy Freeway, 4th Floor Houston TX TEXAS 77094 Director Paul Soldatos c/o McDermott International, Ltd 17320 Katy Freeway, 4th Floor Houston TX TEXAS 77094 Director Rachel G. Clingman c/o McDermott International, Ltd 17320 Katy Freeway, 4th Floor Houston TX TEXAS 77094 Executive Officer Travis Brantley c/o McDermott International, Ltd 17320 Katy Freeway, 4th Floor Houston TX TEXAS 77094 Executive Officer Maurizio Coratella c/o McDermott International, Ltd 17320 Katy Freeway, 4th Floor Houston TX TEXAS 77094 Executive Officer Construction Decline to Disclose 06b false 2026-09-18 false true false 2 500000000 500000000 0 false 58 0 0 0 false McDermott International, Ltd /s/ Rachel Clingman Rachel Clingman Executive Vice President and Chief Legal Officer 2026-10-05