Hudbay Minerals Inc.
For the period ended Sep 30, 2026. Filed Oct 23, 2026.
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Sep 30, 2026 · Filed Oct 23, 2026
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Contents
EX-99.1 · 12 DATA VERIFICATION
12 DATA VERIFICATION
Data verification and validation was conducted under the supervision of the author and Qualified Person, Olivier Tavchandjian, P. Geo., Hudbay's Senior Vice President, Exploration and Technical Services. Data verification performed prior to 2017 was reviewed and documented in the 2017 Technical Report. The following section provides a summary of the material information in relation to the work performed prior to 2017 and describes the data verification and validation for the drilling campaigns, which highlight the data verification and validation for all post 2017 drilling used to support the present mineral resource and mineral reserve estimates.
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