Imperial Provides Update on Fall of Ground Incident and Reports Production for 2025 Second Quarter at Red Chris Mine

Core Viewpoint - Imperial Metals Corporation provides an update on incidents at the Red Chris mine, highlighting ongoing rescue efforts and production performance [1][4]. Group 1: Incident Update - Two fall of ground incidents occurred at the Red Chris mine, which is 30% owned by Imperial [1]. - Mine operator Newmont has deployed specialized drones to assess the underground geotechnical conditions, with debris estimated to be 20 to 30 metres long and 7 to 8 metres high [2]. - A remote-controlled scoop from the Brucejack mine is being used to remove debris and restore access, while efforts are underway to re-establish communication with workers [3][4]. - Workers are sheltering in a MineARC refuge chamber designed for 16 people, with additional chambers available nearby [4]. Group 2: Production Performance - For Q2 2025, Red Chris mine produced 23.479 million pounds of copper and 22,624 ounces of gold, compared to 20.731 million pounds of copper and 12,531 ounces of gold in Q2 2024 [5]. - Copper production increased by 13% year-over-year due to a 17% rise in copper grade (0.547% vs 0.466%), despite a slight decrease in throughput [6]. - Gold production surged by 81% year-over-year, attributed to higher gold grades and better recovery, offset by slightly lower throughput [6]. - For the first half of 2025, copper production rose by 25% and gold production increased by 101% compared to the same period in 2024 [7]. Group 3: Development Activities - The Red Chris Block Cave Feasibility Study is progressing, along with permitting activities and early-stage underground development work [8]. - As of June 30, 2025, approximately 11,727 metres of development have been completed on both the Nagha and conveyor declines [8].