144 0001874308 XXXXXXXX LIVE 0001798562 TMC the metals Co Inc. 001-39281 1111 WEST HASTINGS STREET 15TH FLOOR VANCOUVER A1 V6E 2J3 888-458-3420 Shesky Craig Officer Common Stock Merrill Lynch

225 Liberty Street Floor 37 New York NY 10281

51941 246107.65 413492045 03/24/2026 NASDAQ Common Stock 03/20/2026 Vesting of restricted stock unit awards TMC the metals Co Inc. N 51941 03/20/2026 Granted as part of issuer equity compensation plan Y The sales reported here were effected to cover tax withholding obligations in connection with the vesting of restricted stock units that were pursuant to an automatic sell to cover transaction and does not represent a discretionary transaction. 03/24/2026 Craig Shesky