Company: TMCWW
Filing Date: 2025-05-12
Form Type: 424B5
Source: 0001104659-25-047372
Chunk: 178

Company: TMC the metals Co Inc.
Filing Date: 2025-05-12
Form: 424B5
Chunk 178
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 other documents subsequently filed by us with the SEC (other than any portion of such filings that are furnished under applicable SEC rules rather than filed) pursuant to Sections 13(a), 13(c), 14 and 15(d) of the Exchange Act after the date of this prospectus and prior to the termination or completion of the offering of securities under this prospectus shall be deemed to be incorporated by reference in this prospectus and to be a part hereof from the date of filing such reports and other documents. |

The SEC file number for each of the documents listed above is 001-39281.

Any statement contained in this prospectus or
in a document incorporated or deemed to be incorporated by reference into this prospectus will be deemed to be modified or superseded
for purposes of this prospectus to the extent that a statement contained in this prospectus or any other subsequently filed document that
is deemed to be incorporated by reference into this prospectus modifies or supersedes the statement. Any statement so modified or superseded
will not be deemed, except as so modified or superseded, to constitute a part of this prospectus.

You may request, orally or in writing, a copy
of any or all of the documents incorporated herein by reference. These documents will be provided to you at no cost, by contacting:

<div align='center'>TMC the metals company Inc.

595 Howe Street, 10 Floor

Vancouver, British Columbia

V6C 2T5

(574) 252-9333</div>

You may also access these documents on our website,
www.metals.co. The information contained on, or that can be accessed through, our website is not a part of this prospectus. We
have included our website address in this prospectus solely as an inactive textual reference.

You should rely only on information contained
in, or incorporated by reference into, this prospectus and any prospectus supplement. We have not authorized anyone to provide you with
information different from that contained in this prospectus or incorporated by reference in this prospectus. We are not making offers
to sell the securities in any jurisdiction in which such an offer or solicitation is not authorized or in which the person making such
offer or solicitation is not qualified to do so or to anyone to whom it is unlawful to make such offer or solicitation.

<div align='center'>45

TMC THE METALS COMPANY INC.

12,333,333 Common Shares

Class C Warrants to Purchase 12,