Company: TMCWW
Filing Date: 2025-09-02
Form Type: S-8
Source: 0001104659-25-086489
Chunk: 2

Company: TMC the metals Co Inc.
Filing Date: 2025-09-02
Form: S-8
Chunk 2
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 of Stock Option Agreement under TMC the metals company Inc.     
 2021 Incentive Equity Plan, as amended                               |     |   |     | Form 8-K          
 (Exhibit 10.23.2) |     | 9/15/2021  |     | 001-39281  |
| 99.3+ |     | Form of Restricted Stock Unit Agreement under TMC the metals company 
 Inc. 2021 Incentive Equity Plan, as amended                          |     |   |     | Form S-8          
 (Exhibit 99.3)    |     | 11/19/2021 |     | 333-261221 |
| 107   |     | Filing Fee Table                                                     |     | X |     |                   |     |            |     |            |

+ Denotes management contract or compensatory plan or arrangement.

<div align='center'>Signatures</div>

Pursuant to the requirements
of the Securities Act of 1933, as amended, the registrant has duly caused this registration statement on Form S-8 to be signed on
its behalf by the undersigned, thereunto duly authorized in New York, New York on September 2, 2025.

| TMC THE METALS COMPANY INC. |                         |
| By:                         | /s/ Craig Shesky        |
|                             | Craig Shesky            |
|                             | Chief Financial Officer |

<div align='center'>POWER OF ATTORNEY</div>

Each person whose signature
appears below constitutes and appoints each of Gerard Barron and Craig Shesky, acting alone or together with another attorney-in-fact,
as his or her true and lawful attorney-in-fact and agent, with full power of substitution and resubstitution, for such person and in
his or her name, place and stead, in any and all capacities, to sign any or all further amendments (including post-effective amendments)
to this registration statement (and any additional registration statement related hereto permitted by Rule 462(b) promulgated
under the Securities Act (and all further amendments, including post-effective amendments, thereto)), and to file the same, with all
exhibits thereto, and other documents in connection therewith, with the Securities and Exchange Commission, granting unto said attorneys-in-fact
and agents, and each of them, full power and authority to do and perform each and every act and thing requisite and necessary to