Calibre Along With Joint Venture and Option Partners Continue Advancing Gold-Silver-Copper Projects on the Borosi Concessions, Northeast Nicaragua

VANCOUVER, BRITISH COLUMBIA--(Marketwired - Nov. 12, 2015) - Calibre Mining Corp. (TSX VENTURE:CXB) (the "Company" or "Calibre") is pleased to provide an update on activities and advancements on the Borosi Concessions, Nicaragua.

Calibre and our Joint Venture and Option Partners control 934 km² of concessions in the prolific Borosi Mining District which remains largely underexplored for porphyry gold-copper deposits, epithermal gold-silver systems and gold-copper-silver skarn mineralization.

President and CEO, Greg Smith stated: "The Borosi Mining Triangle of northeast Nicaragua is one of the most prolific gold mining districts in Central America. Calibre has built a strong land position and has been successful in attracting several high quality partners including intermediate producers B2Gold, IAMGOLD, and Centerra Gold each of whom are funding programs to earn into Calibre projects. Under difficult market conditions this strategy has permitted Calibre to advance a number of exciting epithermal, porphyry and skarn related gold, copper, silver discoveries."

Highlights

100% Calibre Gold-Silver Projects

• Calibre's completed Phase I drilling program at Montes de Oro Gold Project
• El Paste Gold Project results have been received for an initial stream sediment sampling program and have generated significant anomalies requiring follow-up work,

B2Gold Joint Venture Projects

• term of further earn-in agreement extended 24 months to April 24, 2018 with B2Gold spending $6 million to earn an additional 19% interest to 70%
  
  The Joint Venture includes;
  
  
• the Primavera gold-copper Project where past drilling intersected significant porphyry-style mineralization including: 261.7 metres grading 0.78 g/t Au, 0.30% Cu,
• the Minnesota gold Project where drill results include 47.0 metres grading 0.63 g/t Au, and
• the Monte Carmelo Target - a recently defined Project and the focus of current field efforts

Centerra Gold Option - La Luz Project

• Calibre's most recent partner signed option in September 2015 to earn 70% by spending $8M
• extensive soil sampling program covering the entire Project area has been completed with results pending
• 2015 drilling program underway focused on the Cerro Aeropuerto Gold Resource Target

IAMGOLD Option - Eastern Borosi Projects