Calibre Mining’s Valentine Gold Mine Property-Wide Exploration Program Underway With Initial Drill Program Southwest of the Leprechaun Deposit Following Recent Discovery Drilling Including 46 g/t Gold Over 5.3 Metres

VANCOUVER, British Columbia, April 03, 2024 (GLOBE NEWSWIRE) — Calibre Mining Corp. (TSX: CXB; OTCQX: CXBMF) (“Calibre” or the “Company”) is pleased to announce the 2024 exploration program and review of the exploration potential at the Valentine Gold Mine (“Valentine” or the “Mine”). Valentine is located in the west-central region of Newfoundland & Labrador, Canada. The property is 250 square kilometres (“km”) and currently hosts five gold deposits with Measured and Indicated Resources of 4.0 million ounces and Inferred Resources of 1.1 million ounces¹. Additionally, numerous gold prospects and targets have been identified along the underexplored 32 km northeast-trending Valentine Lake Shear Zone (“VLSZ”) as well as below the existing open pit Mineral Resources.

Valentine Gold Mine Drill Highlights Below Existing Open Pit Mineral Resources

Below Marathon Pit Historical Highlights Include:

• 150.27 g/t Au over…