UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

FORM SD
Specialized Disclosure Report

OceanaGold Corporation
(Exact name of registrant as specified in its charter)

British Columbia, Canada
001-43215
98-1593514
(State or other jurisdiction of incorporation or organization)
(Commission File Number)
(IRS Employer
Identification No.)

Suite 1020, 400 Burrard Street

Vancouver, British Columbia

Canada
V6C 3A6
(Address of principal executive offices)
(Zip Code)
Elizabeth Thampy
(604) 678-4127
(Name and telephone number, including area code, of person to contact in connection with this report)

Check the appropriate box to indicate the rule pursuant to which this form is being filed, 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,     .
Rule 13q-1 under the Securities Exchange Act (17 CFR 240.13q-1) for the fiscal year ended December 31, 2025.




SECTION 1 – CONFLICT MINERALS DISCLOSURE
 
Item 1.01 - Conflict Minerals Disclosure and Report
 
Not applicable.
 
Item 1.02 - Exhibit
 
Not applicable.
 
SECTION 2 – RESOURCE EXTRACTION ISSUER DISCLOSURE
 
Item 2.01 Resource Extraction Issuer Disclosure and Report
 
OceanaGold Corporation (the “Company”) is subject to Canada’s Extractive Sector Transparency Measures Act (“ESTMA”). The Company is relying on the alternative reporting provision of Item 2.01 and providing its ESTMA report for the year ended December 31, 2025 to satisfy the requirements of Item 2.01. The Company’s ESTMA report is available on the Company’s website at https://oceanagold.com/investors/results-and-filings or on the Government of Canada’s website at https://natural-resources.canada.ca/minerals-mining/services-mining-industry/extractive-sector-transparency/links-estma-reports. The payment disclosure required by Form SD is included as Exhibit 2.01 to this Form SD.

SECTION 3 – EXHIBITS
 
Item 3.01. Exhibits
 
The following exhibit is filed as part of this report.
 
Exhibit Number
Description
2.01
 



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.

OCEANAGOLD CORPORATION
By:
/s/ Marius van Niekerk
June 3, 2026
Name:
Marius van Niekerk
(Date)
Title:
Executive Vice President,
Chief Financial Officer


ATTACHMENTS / EXHIBITS

ATTACHMENTS / EXHIBITS

EX-2.1

XBRL INSTANCE DOCUMENT

XBRL TAXONOMY EXTENSION SCHEMA DOCUMENT

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