Company: TMCWW
Filing Date: 2025-05-12
Form Type: 424B5
Source: 0001104659-25-047372
Chunk: 3

Company: TMC the metals Co Inc.
Filing Date: 2025-05-12
Form: 424B5
Chunk 3
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 the SEC on December 8, 2023, or the 2023 Registration Statement and together with the 2022 Registration Statement, the Registration
Statements.

This document is in three
parts. The first part is this prospectus supplement, which describes the specific terms of this offering and adds to and updates information
contained in the accompanying prospectuses and the documents incorporated by reference into the accompanying prospectuses and this prospectus
supplement. The second part is the accompanying prospectus filed with the SEC, as part of the 2022 Registration Statement, registering
securities of up to a maximum aggregate initial offering price of $100,000,000, $32,615,380 of which remained unsold, unallocated and
available for sale prior to the commencement of this offering. The third part is the accompanying prospectus filed with the SEC as part
of the 2023 Registration Statement, registering securities of up to a maximum aggregate initial offering price of $100,000,000, $60,200,000
of which remained unsold, unallocated and available for sale prior to the commencement of this offering. The second and third parts provide
more general information, some of which may not apply to this offering. We are including both accompanying prospectuses with this prospectus
supplement because $32,615,380 of
the common shares and Class C warrants offered by us are registered under the 2022 Registration Statement and $59,884,618.50 of the Class C warrants and all of the common shares issuable from time to time upon exercise of the Class C warrants offered by us
are registered under the 2023 Registration Statement, each of which contains one of the foregoing prospectuses.

We urge you to carefully
read this prospectus supplement, the accompanying base prospectuses, the documents incorporated by reference herein and therein and the
additional information under the headings “Where You Can Find More Information” and “Incorporation of Certain Information
by Reference” before making a decision to invest in the common shares offered under this prospectus supplement. These documents
contain important information you should consider when making your investment decision.

You should rely only on the
information contained or incorporated by reference in this prospectus supplement and the accompanying base prospectuses. We have not authorized anyone to provide you with additional or different information. If anyone provides you with
additional or different information, you should not rely on it. This prospectus supplement may add, update or change information contained
in the accompanying base