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Kolwezi, Democratic Republic of the Congo–(Newsfile Corp. – June 11, 2025) – Ivanhoe Mines (TSX: IVN) (OTCQX: IVPAF) Executive Co-Chairman Robert Friedland and President & Chief Executive Officer Marna Cloete announce today an update on operational activities at the Kamoa-Kakula Copper Complex, including preliminary geotechnical findings relating to underground seismic activity experienced at the Kakula Mine, as first announced on May 20, 2025.

Underground mining on the western side of the Kakula Mine has resumed in a safe and conservative manner, with equipment and mining crews returning underground on June 7, 2025. The short-term mine plan for the western side of Kakula has been updated to include recommendations from the preliminary findings.

Mining activities in the eastern side of the Kakula Mine are expected to start imminently, with activities solely focused on developing access drives to a new mining area east of the existing mine workings. Development to the new mining area will be isolated from the dewatering activities on the same side of the mine.

As announced on June 2, 2025, additional underground pumping capacity was installed at the Kakula Mine, stabilizing underground water levels. The frequency of seismic activity has decreased since first reported on May 18, 2025. Dewatering the eastern side of the Kakula Mine is expected to commence in August 2025 and be complete during the fourth quarter.

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