Exhibit 3.1

Mailing Address: PO Box 9431 Stn Prov Govt Victoria BC V8W 9V3 www.corporateonline.gov.bc.ca Location: 2nd Floor - 940 Blanshard Street Victoria BC 1 877 526-1526 Notice of Articles BUSINESS CORPORATIONS ACT CERTIFIED COPY Of a Document filed with the Province of British Columbia Registrar of Companies SINEAD O'CALLAGHAN This Notice of Articles was issued by the Registrar on: June 24, 2025 12:39 PM Pacific Time Incorporation Number: C1323488 Recognition Date and Time: Continued into British Columbia on September 9, 2021 07:14 AM Pacific Time NOTICE OF ARTICLES Name of Company: TMC THE METALS COMPANY INC. REGISTERED OFFICE INFORMATION Mailing Address: 15TH FLOOR, 1111 WEST HASTINGS ST. VANCOUVER BC V6E 2J3 CANADA Delivery Address: 15TH FLOOR, 1111 WEST HASTINGS ST. VANCOUVER BC V6E 2J3 CANADA RECORDS OFFICE INFORMATION Mailing Address: 15TH FLOOR, 1111 WEST HASTINGS ST. VANCOUVER BC V6E 2J3 CANADA Delivery Address: 15TH FLOOR, 1111 WEST HASTINGS ST. VANCOUVER BC V6E 2J3 CANADA Page: 1 of 5

DIRECTOR INFORMATION Last Name, First Name, Middle Name: Barron, Gerard Mailing Address: APARTMENT 6403 JADDAF WATERFRONT TOWER, D1 DUBAI UNITED ARAB EMIRATES Delivery Address: APARTMENT 6403 JADDAF WATERFRONT TOWER, D1 DUBAI UNITED ARAB EMIRATES Last Name, First Name, Middle Name: Greig, Andrew Mailing Address: UNIT 16, 1 MACQUARIE STREET TENERIFFE 4005 AUSTRALIA Delivery Address: UNIT 16, 1 MACQUARIE STREET TENERIFFE 4005 AUSTRALIA Last Name, First Name, Middle Name: Karkar, Andrei Mailing Address: 323 MARINA BOULEVARD SAN FRANCISCO CA 94123 UNITED STATES Delivery Address: 323 MARINA BOULEVARD SAN FRANCISCO CA 94123 UNITED STATES Last Name, First Name, Middle Name: Khama, Sheila Mailing Address: HOUSE 53643 PHAKALANE GOLF ESTATE GABORONE BOTSWANA Delivery Address: HOUSE 53643 PHAKALANE GOLF ESTATE GABORONE BOTSWANA Last Name, First Name, Middle Name: Hall, Andrew Mailing Address: 16 BARONSFIELD ROAD TWICKENHAM TW1 2QU UNITED KINGDOM Delivery Address: 16 BARONSFIELD ROAD TWICKENHAM TW1 2QU UNITED KINGDOM Last Name, First Name, Middle Name: Hess, Michael B. Mailing Address: 1185 AVENUE OF THE AMERICAS 40TH FLOOR NEW YORK NY 10036 UNITED STATES Delivery Address: 1185 AVENUE OF THE AMERICAS 40TH FLOOR NEW YORK NY 10036 UNITED STATES Page: 2 of 5

Last Name, First Name, Middle Name: Jurvetson, Steve Mailing Address: 13480 WILDCREST DRIVE LOS ALTOS CA 94022 UNITED STATES Delivery Address: 13480 WILDCREST DRIVE LOS ALTOS CA 94022 UNITED STATES Last Name, First Name, Middle Name: Spiro, Alex Mailing Address: 2821 S BAYSHORE DR., LPHD MIAMI FL 33133 UNITED STATES Delivery Address: 2821 S BAYSHORE DR., LPHD MIAMI FL 33133 UNITED STATES Last Name, First Name, Middle Name: May, Brendan Mailing Address: 16 MAPLE GARDENS TURNBRIDGE WELLS KENT TN2 5JE UNITED KINGDOM Delivery Address: 16 MAPLE GARDENS TURNBRIDGE WELLS KENT TN2 5JE UNITED KINGDOM Last Name, First Name, Middle Name: Madsbjerg, Christian Mailing Address: 36 WEST 13TH STREET NEW YORK NY 10011 UNITED STATES Delivery Address: 36 WEST 13TH STREET NEW YORK NY 10011 UNITED STATES AUTHORIZED SHARE STRUCTURE 1. No Maximum Common Shares Without Par Value With Special Rights or Restrictions attached _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 2. No Maximum Preferred Shares Without Par Value With Special Rights or Restrictions attached _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 3. 5,000,000 Class A Special Shares Without Par Value With Special Rights or Restrictions attached Page: 3 of 5

_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 4. 10,000,000 Class B Special Shares Without Par Value With Special Rights or Restrictions attached _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 5. 10,000,000 Class C Special Shares Without Par Value With Special Rights or Restrictions attached _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 6. 20,000,000 Class D Special Shares Without Par Value With Special Rights or Restrictions attached _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 7. 20,000,000 Class E Special Shares Without Par Value With Special Rights or Restrictions attached _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 8. 20,000,000 Class F Special Shares Without Par Value With Special Rights or Restrictions attached _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 9. 25,000,000 Class G Special Shares Without Par Value With Special Rights or Restrictions attached _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 10. 25,000,000 Class H Special Shares Without Par Value With Special Rights or Restrictions attached _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ Page: 4 of 5

11. 500,000 Class I Special Shares Without Par Value With Special Rights or Restrictions attached _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 12. 741,000 Class J Special Shares Without Par Value With Special Rights or Restrictions attached _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ Page: 5 of 5