Leprechaun Open Pit Ore Control Drilling Increases Confidence and adds 30% Contained Gold versus the 2022 Reserve Model At the Valentine Gold Mine in Newfoundland and Labrador, Canada

VANCOUVER, British Columbia, Feb. 05, 2025 (GLOBE NEWSWIRE) -- Calibre (TSX: CXB; OTCQX: CXBMF) (“Calibre” or the “Company”) is pleased to announce additional ore control reverse circulation (“RC”) drill results from its Leprechaun open pit (“Leprechaun”) at Valentine Gold Mine (“Valentine”) in Newfoundland and Labrador, Canada. The Company has completed 21,500 metres of RC drilling on a 9 x 9 metre spacing. The results of this drilling demonstrate 29% more ore tonnes at a 1% higher grade for 30% more gold than the comparable area in the 2022 Mineral Reserve model at an ore-waste cut-off of 0.38 g/t gold.