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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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HBM$20.91+1.6%Stored close · as of Nov 6, 2026
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Contents

EXPLANATORY NOTE

On October 21, 2026, Hudbay Minerals Inc. (“Hudbay”) filed on the Canadian Securities Administrators’ System for Electronic Document Analysis and Retrieval (SEDAR) website at www.sedarplus.ca the following documents: (1) NI 43-101 Technical Report - Definitive Feasibility Study - Copper World Project, (2) Consent of Qualified Person, (3) Certificate of Qualified Person.

Copies of the filings are attached to this Form 6-K and incorporated herein by reference, as follows:

  • Exhibit 99.1 — NI 43-101 Technical Report - Definitive Feasibility Study - Copper World Project

  • Exhibit 99.2 — Consent of Qualified Person

  • Exhibit 99.3 — Certificate of Qualified Person

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