Recent Updates — OGGWZ

Osisko Gold Group announced assay results from 3,933 meters of underground infill diamond drilling across 36 holes at the 1290 level of its Cariboo Gold Project's Lowhee Zone. Highlights include an intercept of 7.28 grams per tonne gold over 16.15 meters, containing a high-grade interval of 173.66 g/t Au over 0.60 meters, and another of 7.13 g/t Au over 11.60 meters. The company also awarded its continuing underground mine development contract to JDS Energy & Mining Inc. effective October 5, 2026, and granted incentive awards comprising 72,700 stock options and 553,700 restricted share units to senior officers and employees. Osisko Gold Group is a North American gold development company focused on building its permitted Cariboo Gold Project in British Columbia.