X0609 4 2026-09-25 0 0001798562 TMC the metals Co Inc. TMC 0001692881 Mallon Liam M true C/O TMC THE METALS COMPANY INC. 1111 WEST HASTINGS STREET, 15TH FLOOR VANCOUVER A1 V6E 2J3 BRITISH COLUMBIA, CANADA 1 0 0 0 0 Common Shares 2026-09-25 4 A 0 25445 0.00 A 25445 D Common Shares 2026-09-28 4 A 0 77720 0.00 A 103165 D Pursuant to the Issuer's Nonemployee Director Compensation Policy, the Reporting Person was granted restricted stock units ("RSUs") under the Issuer's 2021 Incentive Equity Plan (the "Plan"), which will vest, subject to continued service through each vesting date, over a three-year period as follows: 1/3 on the first anniversary of September 25, 2026 (the "Initial Grant Date"), 1/3 on the second anniversary of the Initial Grant Date and 1/3 on the third anniversary of the Initial Grant Date. Each RSU represents the right to receive one common share upon vesting. The Reporting Person was granted RSUs under the Plan, which will vest, subject to continued service through each vesting date, over a three-year period as follows: 1/3 on the first anniversary of September 28, 2026 (the "Special Grant Date"), 1/3 on the second anniversary of the Special Grant Date and 1/3 on the third anniversary of the Special Grant Date. /s/ Michelle Ancosky, Attorney-in-Fact 2026-10-09