Discovery Mining Ltd. has reported underground and surface drill results from the Borden Mine in Ontario, highlighted by a Main Zone intercept of 9.16 grams per tonne (g/t) gold over 25.9 metres, including 18.40 g/t over 4.0 metres and 21.52 g/t over 4.8 metres.

The exploration program forms part of Discovery’s planned 255,000 to 285,000-metre drilling campaign for 2026. Underground drilling targeted resource conversion and expansion in the Main and East Lower zones. At the East Lower Zone, drilling yielded intercepts including 13.33 g/t over 13.2 metres, with a higher-grade sub-interval of 31.04 g/t over 4.7 metres in hole 585-00291.

Surface drilling extended the Main Zone by over half a kilometre down plunge to the northeast from the current inferred resource. Hole BL26-001119 intersected 6.34 g/t over 8.7 metres, including 11.04 g/t over 3.7 metres.

“Exploration drilling at Borden continues to generate excellent results. Borden includes an extensive land position in a highly-prospective, under explored, greenstone belt in the Abitibi. Today’s results include further progress with resource conversion and expansion drilling in the Main and East Lower zones, where we continue to produce intersections that as good, or better, than those included the current resource model. In addition, we have been ramping up surface drilling to begin accessing Borden’s larger-scale potential of growth. Early results from surface drilling have been very encouraging, including returning intersections that extend the Main Zone by over half a kilometre down plunge to the northeast from the current inferred resource. These results highlight the prospectivity of the area and are a great start to our plan to build-out the Borden operation. We plan to continue drilling to the northeast to find additional extensions as work to demonstrate that there is much more gold to be discovered on our 1,000 km2 land position in the Abitibi near Chapleau.”

— Tony Makuch, President, CEO and Chairman

The underground program utilizes four drills, supported by two surface rigs operating northeast of the Main Zone. Over the trailing one-month period to August 10, 2026, Discovery stock has posted a price increase of 23.87%.

Looking ahead, Discovery expects to release initial and updated Mineral Resource estimates for its Porcupine Complex growth projects, including Dome and TVZ, before the end of 2026.

Read the full announcement: Discovery Announces Continued Exploration Success at Borden, Extends Main Zone Over Half a Kilometre