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UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM SD

SPECIALIZED DISCLOSURE REPORT

TMC THE METALS COMPANY INC.

(Exact name of registrant as specified in its charter)

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British Columbia, Canada

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001-39281

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Not Applicable

(State or other jurisdiction of incorporation)

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(Commission File Number)

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(IRS Employer Identification No.)

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1111 West Hastings Street, 15th Floor

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Vancouver, British Columbia

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V6E 2J3

(Address of principal executive offices)

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(Zip Code)

Craig Shesky

(888) 458-3420

(Name and telephone number, including area code, of the person to contact in connection with this report)

Check the appropriate box to indicate the rule pursuant to which this Form is being submitted, and provide the period to which the information in this Form applies:

☐

Rule 13p-1 under the Securities Exchange Act (17 CFR 240.13p-1) for the reporting period from January 1 to December 31, ______.

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☒

Rule 13q-1 under the Securities Exchange Act (17 CFR 240.13q-1) for the fiscal year ended December 31, 2025.

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SECTION 1 - CONFLICT MINERALS DISCLOSURE

Item 1.01 - Conflict Minerals Disclosure and Report

Not applicable.

Item 1.02 - Exhibit

Not applicable.

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SECTION 2 - RESOURCE EXTRACTION ISSUER DISCLOSURE

Item 2.01 - Resource Extraction Issuer Disclosure and Report

Disclosure of Payments by Resource Extraction Issuers

The payment disclosure required by this Item 2.01 is included as Exhibit 2.01 to this Form SD.

Report on Payments to Governments for the Year Ended December 31, 2025

This report provides a consolidated overview of the payments to governments made by TMC the metals company Inc., including its subsidiaries (the “Company,” “TMC,” “we,” “our,” and “us”) for the fiscal year ended December 31, 2025.

All payments are reported in U.S. dollars. Payments made in currencies other than U.S. dollars were translated into U.S. dollars at the exchange rate in effect on the date of each payment.

Our Business Segment

The Company’s Chief Executive Officer is the chief operating decision maker and reviews financial information on a consolidated basis to allocate resources and assess performance. Accordingly, as of December 31, 2025, the Company views its operations and manages the business as one reportable segment, namely the collection, processing and refining of polymetallic nodules found on the seafloor in international waters of the Clarion-Clipperton Zone (“CCZ”).

Our Projects

For the fiscal year ended December 31, 2025, the payments disclosed in this Form SD are attributable to the following four projects:

NORI

The NORI project relates to all payments to the Government of Naoero (formerly Nauru), including the Naoero Seabed Minerals Authority. These payments are made by our wholly owned subsidiary Nauru Ocean Resources Inc. (“NORI”) under its International Seabed Authority (“ISA”) exploration contract for the NORI contract area of the CCZ and its sponsorship agreement with Naoero. The NORI project also includes training, capacity-building and community initiative payments required under NORI’s sponsorship agreement with Naoero, which are reported as community and social responsibility payments even where paid directly to third parties rather than to governmental entities.

TOML

The project of our wholly owned subsidiary Tonga Offshore Mining Limited (“TOML”) relates to all payments to the Government of Tonga, including the Tonga Seabed Minerals Authority and the Ministry of Lands and Natural Resources. These payments are made by TOML under its ISA exploration contract for the TOML contract area of the CCZ and its sponsorship agreement with Tonga. The TOML project also includes training, capacity-building and community initiative payments required under TOML’s sponsorship agreement with Tonga, which are reported as community and social responsibility payments even where paid directly to third parties rather than to governmental entities.

1


TMC USA-A

The TMC USA-A project relates to application fees paid by our wholly owned subsidiary The Metals Company USA, LLC (“TMC USA”) to the National Oceanic and Atmospheric Administration (“NOAA”) for its applications under the Deep Seabed Hard Mineral Resources Act (“DSHMRA”) for an exploration license and a commercial recovery permit covering the TMC USA-A area of the CCZ.

TMC USA-B

The TMC USA-B project relates to NOAA application fees paid by TMC USA for its DSHMRA application for an exploration license covering the TMC USA-B area of the CCZ.

ISA Payments and Payments in Kind

The Company also pays annual fees to the ISA in connection with ISA exploration contracts held by NORI and TOML. The ISA is an autonomous international organization to which the United States is not a party and over which neither the Government of Naoero nor the Government of Tonga control. Accordingly, payments made to the ISA are not included in this Form SD.

Certain payments to the Government of Naoero and the Government of Tonga were made in kind through the issuance of warrants to purchase the Company’s common shares. Because the cost of these payments is not determinable, they are reported at fair value, determined as of the date of issuance using a Black-Scholes option pricing model, and are presented as fees. No cash was paid to either government in connection with the warrants, and, as of the date of this report, none of the warrants have been exercised.

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SECTION 3 - EXHIBITS

Item 3.01 - Exhibits

The following exhibits are filed as part of this report.

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Exhibit No.

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Description

2.01

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Resource Extraction Payment Report as required by Item 2.01 of this Form SD.

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2


SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

Date: September 28, 2026

TMC THE METALS COMPANY INC.

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By:

/s/ Craig Shesky

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Craig Shesky

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Chief Financial Officer

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3


TMC THE METALS COMPANY INC._December 31, 2025
2.01 SDfalse0001798562TMC THE METALS COMPANY INC.NR1304000rxp:Feescountry:NRsnj:NR-14tmc:RepublicOfNaoeroNaoeroSeabedMineralsAuthorityMembertmc:NauruOceanResourcesIncProjectMembertmc:PolymetallicNodulesResourceMembertmc:ClarionClippertonSegmentMemberOpen PitYesfair value of warrants33056000rxp:Feescountry:NRsnj:NR-14tmc:RepublicOfNaoeroNaoeroSeabedMineralsAuthorityMembertmc:NauruOceanResourcesIncProjectMembertmc:PolymetallicNodulesResourceMembertmc:ClarionClippertonSegmentMemberOpen Pit214000rxp:CommunityAndSocialcountry:NRsnj:NR-14tmc:RepublicOfNaoeroNaoeroSeabedMineralsAuthorityMembertmc:NauruOceanResourcesIncProjectMembertmc:PolymetallicNodulesResourceMembertmc:ClarionClippertonSegmentMemberOpen Pit5000000rxp:Feescountry:TOsnj:TO-04tmc:KingdomOfTongaTongaSeabedMineralsAuthorityMembertmc:TongaOffshoreMiningLimitedProjectMembertmc:PolymetallicNodulesResourceMembertmc:ClarionClippertonSegmentMemberOpen PitYesfair value of warrants90000rxp:Feescountry:TOsnj:TO-04tmc:KingdomOfTongaMinistryOfLandsAndNaturalResourcesMembertmc:TongaOffshoreMiningLimitedProjectMembertmc:PolymetallicNodulesResourceMembertmc:ClarionClippertonSegmentMemberOpen Pit228000rxp:CommunityAndSocialcountry:TOsnj:TO-04tmc:KingdomOfTongaTongaSeabedMineralsAuthorityMembertmc:TongaOffshoreMiningLimitedProjectMembertmc:PolymetallicNodulesResourceMembertmc:ClarionClippertonSegmentMemberOpen Pit200000rxp:Feescountry:UStmc:NationalOceanicAndAtmosphericAdministrationNoaaMembertmc:ThemetalsCompanyUsaLlcaProjectMembertmc:PolymetallicNodulesResourceMembertmc:ClarionClippertonSegmentMemberOpen Pit100000rxp:Feescountry:UStmc:NationalOceanicAndAtmosphericAdministrationNoaaMembertmc:ThemetalsCompanyUsaLlcbProjectMembertmc:PolymetallicNodulesResourceMembertmc:ClarionClippertonSegmentMemberOpen Pit0001798562country:UStmc:NationalOceanicAndAtmosphericAdministrationNoaaMember2025-01-012025-12-310001798562country:TOtmc:KingdomOfTongaMinistryOfLandsAndNaturalResourcesMember2025-01-012025-12-310001798562tmc:ThemetalsCompanyUsaLlcbProjectMember2025-01-012025-12-310001798562tmc:ThemetalsCompanyUsaLlcaProjectMember2025-01-012025-12-310001798562country:TOtmc:KingdomOfTongaTongaSeabedMineralsAuthorityMember2025-01-012025-12-310001798562country:NRtmc:RepublicOfNaoeroNaoeroSeabedMineralsAuthorityMember2025-01-012025-12-310001798562tmc:TongaOffshoreMiningLimitedProjectMember2025-01-012025-12-310001798562tmc:NauruOceanResourcesIncProjectMember2025-01-012025-12-31000179856282025-01-012025-12-31000179856272025-01-012025-12-31000179856262025-01-012025-12-31000179856252025-01-012025-12-31000179856242025-01-012025-12-31000179856232025-01-012025-12-31000179856222025-01-012025-12-31000179856212025-01-012025-12-3100017985622025-01-012025-12-31iso4217:USD

Exhibit 2.01

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TMC the metals company Inc.

Resource Extraction Payment Report

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In this report, references to “USD” refers to United States dollars, the lawful currency of the United States. This report is expressed in thousands of USD unless otherwise stated. All payments to Naoero and Tonga were made in Australian dollars and Tongan pa'anga, respectively, and were translated into USD by translating the expenses at the exchange rate existing at the time the payments were made. All payments to government entities in the United States were made in USD.

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The table below sets forth our payments made to governments for the fiscal year ended December 31, 2025, by project and type of payment.

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Project-Level Disclosure

(in U.S. dollars and in thousands)

For the year ended December 31, 2025

Project Name

Business Segment

Country/Majoral Subnational Jurisdiction

Payee Name

Resource

Extraction Method

Taxes

Royalties

Fees

Production
entitlements

Bonuses

Dividends

Payments for
infrastructure
improvements

Community and
social
responsibility
payments that are
required by law or
contract

Total

NORI

The collection, processing and refining of polymetallic nodules found on the seafloor in international waters of the Clarion-Clipperton Zone

Naoero

Naoero Seabed Minerals Authority

Polymetallic nodules (including cobalt, nickel, copper and manganese)

Open Pit (1)

–

–

34,360

–

–

–

–

214

34,574

TOML

The collection, processing and refining of polymetallic nodules found on the seafloor in international waters of the Clarion-Clipperton Zone

Tonga

Tonga Seabed Minerals Authority

Polymetallic nodules (including cobalt, nickel, copper and manganese)

Open Pit (1)

–

–

5,090

–

–

–

–

228

5,318

TMC USA-A

The collection, processing and refining of polymetallic nodules found on the seafloor in international waters of the Clarion-Clipperton Zone

United States

National Oceanic and Atmospheric Administration

Polymetallic nodules (including cobalt, nickel, copper and manganese)

Open Pit (1)

–

–

200

–

–

–

–

–

200

TMC USA-B

The collection, processing and refining of polymetallic nodules found on the seafloor in international waters of the Clarion-Clipperton Zone

United States

National Oceanic and Atmospheric Administration

Polymetallic nodules (including cobalt, nickel, copper and manganese)

Open Pit (1)

–

–

100

–

–

–

–

–

100

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Notes (in U.S. dollars):

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(1)

The Company's operations involve the collection of polymetallic nodules from the deep-sea floor. This method of resource recovery does not correspond to any of the extraction methods specified in Rule 13q-1 under the Securities Exchange Act of 1934, as amended (i.e., well, open pit, or underground mining). The Company has designated "open pit" as the extraction method for purposes of this report, as it most closely approximates the Company's nodule collection operations.

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The table below sets forth our payments made to governments for the fiscal year ended December 31, 2025, by government and type of payment.

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Government-Level Disclosure

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(in U.S. dollars and in thousands)

For the year ended December 31, 2025

Country/Major
Subnational
Jurisdiction

Payee Name

Department, Agency, etc. within Payee that
received Payments

Taxes

Royalties

Fees

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Production
entitlements

Bonuses

Dividends

Payments for infrastructure improvements

Community and
social
responsibility
payments that are
required by law or
contract

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Total

United States

National Oceanic and Atmospheric Administration ("NOAA") (1)

-

–

–

300

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–

–

–

–

–

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300

Naoero

Republic of Naoero

Naoero Seabed Minerals Authority

–

–

34,360

(2)

–

–

–

–

214

(3)

34,574

Tonga

Kingdom of Tonga

Ministry of Lands and Natural Resources

–

–

90

(4)

–

–

–

–

–

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90

Tonga

Kingdom of Tonga

Tonga Seabed Minerals Authority

–

–

5,000

(5)

–

–

–

–

218

(6)

5,228

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Notes (in U.S. dollars):

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(1)

The Company paid $300,000 to NOAA in application fees for three permit or license applications: (1) $100,000 for the TMC USA-A exploration license application, (2) $100,000 for the TMC USA-B exploration license application, and (3) $100,000 for the TMC USA-A commercial recovery permit application.

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(2)

Fees paid to the Government of Naoero include cash payments of $1,304,000 to the Naoero Seabed Minerals Authority, and a non-cash payment of $33,056,000 for fair value of warrants granted by the Company to the Republic of Naeoro. In accordance with the revised sponsorship agreement dated May 29, 2025, by and among the Company's wholly own subsidiary, Nauru Ocean Resources, Inc. ("NORI"), the Nauru Seabed Minerals Authority, and the Republic of Naoero (the "Naoero Sponsorship Agreement"), the Company issued 9,146,268 warrants to the Republic of Naoero on May 30, 2025 to purchase common shares of the Company at an exercise price of $4.72 per share with an expiration date of May 30, 2030 which vest and become exercisable upon the occurance of certain events set forth in the warrant. No cash was paid to the Kingdom of Tonga in connection with the warrants, and, as of the date of this report, none of the warrants have been exercised.

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(3)

Represents payments made by NORI to various organizations and individuals in the Republic of Naoero for training and capacity initiatives pursuant to the Naoero Sponsorship Agreement.

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(4)

Fees paid to the Kingdom of Tonga include a cash payment of $90,000 to the Ministry of Lands and Natural Resources of the Kingdom of Tonga.

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(5)

Fees paid to the Kingdom of Tonga include a non-cash payment of $5,000,000 for the fair value of warrants granted by the Company to the Kingdom of Tonga. In accordance with the revised sponsorship agreement dated August 4, 2025, by and between the Company's wholly-owned subsidiary, Tonga Offshore Mining Limited ("TOML") and the Tonga Seabed Minerals Authority (the "Tonga Sponsorship Agreement") the Company issued 1,000,000 warrants on August 4, 2025, to the Kingdom of Tonga to purchase the common shares of the Company at an exercise price of $5.87 per share with an expiration date of August 4, 2033 which vest and become exercisable upon the occurance of certain events set forth in the warrant. No cash was paid to the Kingdom of Tonga in connection with the warrants, and, as of the date of this report, none of the warrants have been exercised.

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(6)

Represents payments made by TOML to various organizations and individuals in the Kingom of Tonga for training and capacity initiatives in accordance with the Tonga Sponsorship Agreement.