Calibre Mining is exploring for gold, silver and copper in Nicaragua through partnerships and 100% owned concessions. On its Eastern Borosi project, optioned to IAMGOLD, a 5,500m drill program is underway following high grade gold discoveries in 2014-2015. On its Minnesota project in a JV with B2Gold, a 2014 trench returned 109.6m of 1.58g/t gold. Calibre has multiple exploration programs underway targeting new discoveries across its land package.