B2Gold Corp. Calibre Mining and B2Gold Begin Diamond Drilling Program at the Minnesota Gold Project, Borosi Conce by 24hgold

TSX.V: CXB

October 28, 2014

Calibre Mining and B2Gold Begin Diamond Drilling Program at the
Minnesota Gold Project, Borosi Concessions, Nicaragua

Vancouver, British Columbia: Calibre Mining Corp. (TSX-V: CXB) (the "Company" or "Calibre") is pleased to announce that a Phase 1 Diamond drilling program has begun on the Minnesota Gold Project within the B2Gold Corp. ("B2Gold") (TSX:BTO, BTG:NYSE MKT) Joint Venture on the Borosi concessions, northeast Nicaragua. Calibre controls a 49.0% interest in the joint venture and B2Gold has a 51.0% interest and is project operator. B2Gold has the right to earn an additional 19.0% in the Borosi concessions joint venture by spending $6.0 million in additional project expenditures over three years.

The Phase 1 Diamond drilling program at the Minnesota gold project will consist of a planned 1500 metres in up to 13 drill holes. The drilling is designed to test several gold zones along the three km strike length of the strong auger and soil gold anomaly. Several drill holes are planned in the vicinity of contiguous Trenches MINTR14-006 to 011 and MINTR14-016 which intersected 109.6 metres grading 1.58 g/t Au.* This trench interval includes the recently received assay results from Trench MINTR14-016 that returned 15.1 m grading 1.2 g/t.

Greg Smith, President and CEO of Calibre stated: "With the start of the Minnesota gold project drilling program with B2Gold and with the on-going drilling program with IAMGOLD Corp at the Eastern Borosi gold project Calibre and our partners will be completing a combined 6,500 metres of drilling in up to 58 drill holes on the two gold projects at no cost to Calibre. Additional drill results from the Eastern Borosi gold project and initial drill results from the Minnesota gold project will be released when available".

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.

*Combined weighted average assigns zero grade to 1.0 m gaps left unsampled between each of the seven trenches. Length weighted assays from uncut assays. Assay results for Trenches MINTR14-006 to 011 were previously released (see Calibre news release dated October 20, 2014).

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 the Minnesota Gold Zone, 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, Pierre Lassonde and Management.

Calibre Mining Corp.

"Greg Smith"

Greg Smith, P.Geo.
President and CEO

For further information contact:
Ryan King
604 628-1012
www.calibremining.com

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.
Cautionary Note Regarding Forward Looking Statements

This news release contains certain forward-looking statements, Any statements that express or involve discussions with respect to predictions, expectations, beliefs, plans, projections, objectives, assumptions or future events or performance (often, but not always, using words or phrases such as "expects" or does not expect", "is expected", anticipates" or "does not anticipate" "plans", "estimates" or "intends" or stating that certain actions, events or results " may", "could", "would", "might" or "will" be taken, occur or be achieved) are not statements of historical fact and may be "forward-looking statements". Forward-looking statements are subject to a variety of risks and uncertainties which could cause actual events or results to materially differ from those reflected in the forward-looking statements.

Safe Harbor Statement under the United States Private Securities Litigation Reform Act of 1995: Except for the statements of historical fact contained herein, the information presented constitutes "forward-looking statements" within the meaning of the Private Securities Litigation Reform Act of 1995. Such forward-looking statements including but not limited to those with respect to the price of gold, potential mineralization, reserve and resource determination, exploration results, and future plans and objectives of the Company involve known and unknown risks, uncertainties and other factors which may cause the actual results, performance or achievement of Atlas to be materially different from any future results, performance or achievements expressed or implied by such forward-looking statements. There can be no assurance that such statements will prove to be accurate as actual results and future events could differ materially from those anticipated in such statements. Accordingly, readers should not place undue reliance on forward-looking statements.

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