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Calibre Mining Reports Exploration Update From Borosi Gold-Copper Concessions, Nicaragua

Calibre Mining Announces Management Changes

Calibre Drills 9.31 g/t Gold and 336.06 G/T Silver over 3.90 Metres at the Riscos De Oro Gold-Silver Property

Calibre Drills 10.60 Metres of 7.69 g/t Gold and 211.87 g/t Silver at the Riscos De Oro Gold-Silver Property

Calibre Identifies an 850 Metre by 300 Metre Gold In-Soil Anomaly at the Primavera Prospect, Nicaragua

Calibre Intersects 10.25 g/t Gold And 288.25 g/t Silver Over 5.4 Metres at the Riscos de Oro Gold-Silver Property, Nicaragua

Calibre Files NI 43-101 Technical Report on Sedar Supporting Resource Estimate With Total Inferred Resources of 835,000 Ounces of Gold and 4,288,070 Ounces of Silver

Calibre Engages Endeavour Financial

Calibre Announces NI 43-101 Inferred Resources Totalling 835,450 Ounces Gold and 4,288,070 Ounces Silver from 100% Owned Borosi Concessions, Nicaragua

Calibre Initiates Drill Program At Riscos De Oro, Nicaragua

Calibre Receives $1,398,750 from Warrant Exercise

Calibre Officers and Directors Exercise Warrants

Calibre Discovers High Grade Epithermal Gold Vein System at the Santa Maria Prospect, Nicaragua

Calibre Acquires New Concessions in Nicaragua