Magna Mining Intersects 29.7% Copper Equivalent over 3.4 metres, consisting of 9.4% Copper, 2.3% Nickel, 19.8 g/t Gold and 8.8 g/t Platinum + Palladium within the R2 Footwall Zone at the Levack Mine in Sudbury, Ontario

SUDBURY, Ontario, June 22, 2026 (GLOBE NEWSWIRE) -- Magna Mining Inc. (TSXV: NICU) (OTCQX: MGMNF) (FSE: 8YD) (“Magna” or the “Company”) is pleased to provide the results of ongoing exploration and an update on activities at the past-producing Levack Mine, located in the North Range of the Sudbury Basin, Ontario, Canada (Figure 1). Recent drilling has continued to intersect significant copper-rich massive sulphide veins with high grade precious metals within the R2 Footwall Zone. Highlights of two additional wedge holes from surface and the first underground drill hole targeting the R2 Footwall Zone are summarized below and in Table 1. Exploration of the R2 Footwall Zone continues in parallel with underground development and surface work at Levack Mine in anticipation of a restart decision in the second half of 2026 following completion of the Levack Preliminary Economic Assessment (“PEA”) in Q3.