Trench Extension at Calibre's 100% Owned Montes de Oro Project Returns 33.5 Metres Grading 2.1 g/t Gold - Seite 4

Updated maps detailing the result of the current exploration programs will be posted on the Company's web site at www.Calibremining.com.

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 429 km² of mineral concessions and additionally, Calibre has joint venture exploration programs underway with B2Gold Corp. on 322.3 km² of concessions which include the Primavera gold-copper porphyry discovery and Alder Resources Ltd. on the 33.6 km² Rosita gold-copper-silver project. Major shareholders of Calibre include gold producer B2Gold and investment fund Sun Valley Gold.

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