Calibre Closes Final Tranche of $3,500,000 Non-Brokered Private Placement

Sep 28, 2011

Vancouver, British Columbia: Edward Farrauto, President and CEO of Calibre Mining Corp. (TSX-V: CXB) (the "Company" or "Calibre") is pleased to announce the Company has closed the third and final tranche of its previously announced non-brokered private placement of $3,500,000 ("Private Placement").

The first tranche of this Private Placement consisted of 13,400,000 common shares at $0.10 per share for gross proceeds of $1,340,000 and having a four month hold period ending on December 4, 2011 and December 6, 2011. The second tranche consisted of 7,200,000 common shares at $0.10 per share for gross proceeds of $720,000 and a four month hold period ending on December 19, 2011. The third and final tranche consists of the remaining 14,400,000 shares for gross proceeds of $1,440,000. The shares issued in connection with the final tranche have a four month hold period ending on January 23, 2012. Calibre paid finder's fees totalling $86,400 in cash in connection with the entire non-brokered private placement. At completion of this Private Placement, Calibre has over $3 million in the treasury and 166,965,918 common shares outstanding.

The proceeds of this offering will be used to advance the exploration and development of the Company's Borosi Project in Nicaragua, including the presently on-going drilling program at Calibre's 100%-owned Riscos de Oro gold-silver project, and for general working capital purposes.

About Calibre Mining Corp.

Calibre Mining Corp. is a TSX Venture Exchange listed company (TSX.V: CXB) that is focused on the acquisition, exploration and development of gold and silver deposits in Central America. Calibre has outlined a NI 43-101 compliant inferred resource totalling 835,450 ounces of gold and 4,288,070 ounces of silver at its 100% owned Borosi Project in Nicaragua. The Company is presently focused on a drilling program at its 100% owned Riscos de Oro gold-silver project and the trenching and drilling program at the Primavera gold-copper prospect in conjunction with B2Gold, also within the Borosi concessions in Nicaragua.

Major shareholders of Calibre include gold producer Yamana Gold Inc. and investment fund Sun Valley Gold.

Calibre Mining Corp.
Signed "Edward Farrauto"

Edward Farrauto, CGA
President and CEO

For further information contact:
Mark Carruthers -- Vancouver, Canada
604 681 9944

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.


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