Qualified Person and NI 43-101

The technical and scientific information in this news release related to the company’s material mineral projects has been approved by Olivier Tavchandjian, P. Geo, Senior Vice President, Exploration and Technical Services. Mr. Tavchandjian is a qualified person pursuant to NI 43‑101. Additional details on the company’s material mineral projects, including a year-over-year reconciliation of reserves and resources, is included in Hudbay's Annual Information Form for the year ended December 31, 2024 (the “AIF”), which is available on SEDAR+ at www.sedarplus.ca and the company’s Form 40-F, a copy of which will be filed under Hudbay’s profile on EDGAR at www.edgar.com.