CONSENT OF DAREN DELL

March 30, 2026

VIA EDGAR

United States Securities and Exchange Commission

I, Daren Dell hereby consent to the use of my name in connection with reference to my involvement in the preparation of the following technical reports (collectively the "Technical Reports"):

• Technical report titled "Technical Report on the San Rafael Mine and the EC120 Preliminary Feasibility Study, Sinaloa, Mexico", dated May 17, 2019;
• Technical report titled "Technical Report on the Galena Complex, Shoshone County, Idaho, USA", dated December 23, 2016;
• references to my involvement in the preparation of the following estimates (collectively, the "Mineral Estimates"):
  • Mineral reserve estimate for San Rafael;
  • Mineral reserve estimate for El Cajón;
  • Mineral reserve estimate for Zone 120;
  • Mineral reserve estimate for the Galena Complex;

and to references to the Technical Reports and the Mineral Estimates, or portions thereof, in the Form 40-F and the Annual Information Form of the Company for the fiscal year ended December 31, 2025 (the "AIF"), and to the inclusion or incorporation by reference of the information derived from the Technical Reports and the Mineral Estimates related to me in the Form 40-F and the AIF. This consent extends to any amendments to the Form 40-F.

I hereby consent to the use of my name in connection with reference to my involvement in the review and approval of certain technical disclosure in the AIF.

I further consent to the incorporation by reference of the information derived from the Technical Report related to me into the Company's Registration Statement on F-3 (File No. 333-292931) and any amendments thereto.