Doré Copper Mining Corp. announced additional high-grade copper results from its completed 2021 drilling campaign at its Corner Bay property, located in the Chibougamau mining camp, approximately 40 kilometers by road from Chibougamau, Québec. The 2021 drilling program totaled 41,063 meters in 43 holes (including wedge holes).

Doré Copper is reporting the results from five holes. The Corporation expects to receive assays for the remaining six holes of the program towards the end of February. The drill results reported have successfully expanded the copper-gold mineralization at Corner Bay in two areas of the deposit and will be incorporated, along with the results released on January 19, 2022 and the other pending results, into an updated Mineral Resource estimate for Corner Bay for the preliminary economic assessment (“PEA”) anticipated at the end of the first quarter of 2022.

In the Main Vein above the dyke, today's results from holes CB-21-53 (2.0 meters of 3.34% Cu and 15.6 g/t Ag), CB-21-55 (3.9 meters of 8.03% Cu, 0.86 g/t Au, 42.1 g/t Ag, and 1,109 ppm Mo), CB-21-57 (4.2 meters of 6.18% Cu, 0.12 g/t Au, and 26.6 g/t Ag) in combination with hole CB-21-52 (previously announced, 3.7 meters of 9.41% Cu, 2.84 g/t Au, 36.5 g/t Ag, and 890 ppm Mo) have defined a very high-grade copper zone of approximately 150 meters of strike length by 250 meters of vertical depth. This high-grade zone overlaps with the upper part of the Main Vein below the dyke and is still open down plunge. In addition, holes CB-21-54 and CB-21-56 further confirmed that the mineralized area between the Main Vein below the dyke and the Deep Main Lens is continuous.

This is another new area of 200 meters of strike length and approximately 300 meters of vertical extension that will be included the Mineral Resource update for the PEA. The 2021 drilling program has successfully continued to expand the copper-gold mineralization at Corner Bay in three areas of the deposit, bringing the total strike length to over 1,100 metres.