Calibre Mining Corp.

Calibre Mining is pleased to announce that the Company has closed its non-brokered private placement previously announced on April 19, 2012 with B2Gold for proceeds of $5,000,000. As a result of the Private Placement, B2Gold now holds a 10.6% equity stake in Calibre on an undiluted basis.

Calibre is pleased to announce results from an initial prospecting, geological mapping, soil sampling and trenching program on the Minnesota gold-copper project within the B2Gold Joint Venture on the Borosi concessions in northeast Nicaragua. Recent trench assay results include: 6.40 metres grading 5.56 g/t Au (BRTR11-044), 8.00 metres grading 6.35 g/t Au (BRTR11-047), 12.80 metres grading 1.27 g/t Au (BRTR11-057), 6.00 [...]

Calibre Mining is pleased to announce that it intends to sell on a non-brokered, private placement basis 20,000,000 units of the Company at a price of $0.25 per unit to B2Gold for gross proceeds of $5,000,000 which represents a 10.6% equity stake in Calibre on an issued and outstanding basis. The non-brokered private placement financing will consist of Company issuing 20,000,000 units at a price of $0.25/unit. Each unit [...]

B2Gold and Calibre Mining , are pleased to announce further positive drill results at the Primavera Gold and Copper Porphyry joint venture project in the productive Bonanza-Siuna-Rosita mining triangle in the North of Nicaragua. Drilling resumed early in 2012 with the deepening of the third hole which was not completed due to the holiday break. In addition to completing the third drill hole (PR-11-003), another seven [...]

New Drill Results Include 4.21 Metres Grading 8.66 g/t Gold and 37.57 g/t Silver

VANCOUVER, BRITISH COLUMBIA -- (Marketwire) -- 02/16/12 -- Douglas Forster, Chairman of Calibre Mining Corp. (TSX VENTURE: CXB) (the 'Company' or 'Calibre') is pleased to announce additional results from the Phase II delineation diamond drilling program on the Company's 100%-owned Riscos de Oro epithermal gold-silver project in the Borosi Concessions of Northeast Nicaragua.

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Calibre has granted 4,475,000 stock options at a price of $0.49 per share for a period of five years to officers, directors and consultants of the Company. These options are subject to regulatory approval and are granted under the company's stock option plan and include vesting provisions.

B2Gold and Calibre Mining, are pleased to announce results from the first three diamond drill holes from the Primavera project within the Borosi concession in north east Nicaragua. Assay results from these holes totaling 667.85 metres drilled in December 2011 have confirmed the presence of wide spread gold and copper values similar to those previously reported from surface trenching (see Calibre press release dated [...]

Douglas Forster, Chairman of Calibre Mining is pleased to announce additional results from the Phase II delineation drilling program on the Company's 100%-owned Riscos de Oro epithermal gold-silver project in the Borosi Concession of Northeast Nicaragua. The Phase II Program has completed 19 diamond drill holes totaling 4833.25 metres. Assays results have now been received for 13 holes totaling 3158.6 metres. Recent [...]

Douglas Forster, Chairman of Calibre Mining is pleased to announce results from the Phase II resource delineation drilling program on the Company's 100%-owned Riscos de Oro epithermal gold-silver project in the Borosi Concessions of Northeast Nicaragua. To date, 17 drill holes (4,336.9 metres) of a planned 6,000 metre program have been completed with assay results received for 9 holes totaling 2,328.4 metres. All 9 holes [...]

Douglas Forster, Chairman of Calibre Mining is pleased to announce that Alder Resources has informed Calibre that drilling has commenced on Calibre's Rosita Copper- Gold-Silver Project on the Company's Borosi Property in northeastern Nicaragua. The initial program will include 1,000 metres of reverse circulation drilling to follow-up on historic mineralized diamond drill intercepts below the Santa Rita pit. Alder will [...]