Calibre and B2Gold Extend Trench Intercept to 61.9 Metres Grading 1.76 g/t Gold at the Minnesota Gold Project, Borosi Concessions, Nicaragua - Seite 2

The Minnesota gold target area consists of intrusive hosted veinlets within a structurally prepared area with widespread alteration. The target is defined by a strong 1.75 km by 1.25 km gold in soil anomaly. Updated maps detailing the result of the current exploration program at the Minnesota Gold Project will be posted on the Company's web site at www.calibremining.com.

Quality assurance and quality control procedures include the systematic insertion of blanks, standards and duplicates into the rock and soil sample strings. Samples are placed in sealed bags and shipped directly to Acme Labs in Managua, Nicaragua for sample preparation and then to Acme Labs in Vancouver, Canada for gold fire assay and ICP-MS multi element analyses. The technical content in this news release was read and approved by Gregory Smith, P.Geo, President and CEO of the Company who is the Qualified Person as defined by NI 43-101.

About Calibre Mining Corp.

Calibre controls a 100% interest in 253 km² of mineral concessions in the Mining Triangle of Northeast Nicaragua. Additionally the Company has an option agreement with IAMGOLD covering 176 km² of concessions, joint venture exploration programs underway with B2Gold Corp. on 322.3 km² of concessions which includes the Primavera gold-copper porphyry discovery, and has optioned the 33.6 km² Rosita gold-copper-silver project to Alder Resources Ltd. Major shareholders of Calibre include gold producer B2Gold Corp.

Calibre Mining Corp.

Greg Smith, P.Geo., President and CEO

Neither the TSX Venture Exchange nor its Regulation Services Provider (as that term is defined in the policies of the TSX Venture Exchange) accepts responsibility for the adequacy or accuracy of this release.

Calibre Mining Corp.
Ryan King
604 628-1012
www.calibremining.com