Company: DVS
Filing Date: 2025-04-08
Form Type: 40FR12B
Source: 0001062993-25-007233
Chunk: 4

Company: DOLLY VARDEN SILVER CORP
Filing Date: 2025-04-08
Form: 40FR12B
Chunk 4
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, which are different from those of the United States. The financial statements incorporated by reference in this Registration Statement have been prepared in accordance with International Financial Reporting Standards as issued by the International Accounting Standards Board, and where audited, have been audited pursuant to Canadian auditing and auditor independence standards.

<div align='center'>MINERAL RESOURCE AND MINERAL RESERVE ESTIMATES</div>

Unless otherwise indicated, all mineral resource and mineral reserve estimates included in the documents incorporated by reference into this Registration Statement have been prepared in accordance with Canadian National Instrument 43-101 ("NI 43-101") and the Canadian Institute of Mining and Metallurgy Classification System. NI 43-101 is a rule developed by the Canadian securities administrators, which establishes standards for all public disclosure an issuer makes of scientific and technical information concerning mineral projects. Canadian standards, including NI 43-101, differ from the requirements of the United States Securities and Exchange Commission (the "SEC"). Accordingly, mineral resource and mineral reserve estimates, and other scientific and technical information, contained in the documents incorporated by reference into this Registration Statement may not be comparable to similar information disclosed by U.S. companies.

The technical and scientific information relating to the Combined Kitsault Valley Project, set forth in the technical report entitled, "Technical Report on the Combined Kitsault Valley Project, British Columbia, Canada" dated March 23, 2023 (effective date September 28, 2022), prepared by Andrew Turner and Rachelle Hough, qualified persons, is filed on Exhibit 99.58 hereto (the "Technical Report"). Any technical and scientific information set forth in this Registration Statement or in the documents incorporated herein by reference that is derived from reports predating the Technical Report has been superseded by the information contained in the Technical Report. All technical and scientific information set forth in this Registration Statement and the documents incorporated herein by reference that is not attributed to Andrew Turner or Rachelle Hough has been reviewed and approved by, and shall be attributed solely to, Robert van Egmond, qualified person.

<div align='center'>PRINCIPAL DOCUMENTS</div>

In accordance with General Instruction B.(1) of Form 40-F, the Company hereby incorporates by reference Exhibits 99.01 through 99.57, and Exhibit 99.64 through 99.71, as set forth in the Exhibit Index attached hereto. In accordance with General Instruction D.(5) of Form 40-F, the Company hereby incorporates by reference Exhibits 99.58 through