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MANAGEMENT & DIRECTORS
                                             tsx.v: cxb
                                                                                                        Greg Smith P.Geo
                                            www.calibremining.com                                       President & Chief Executive Officer, Director

                                                                                                        Douglas B. Forster B.Sc., M.Sc., P.Geo
                                                                                                        Executive Chairman of the Board

                                           Advanced                                                     Blayne Johnson
                                                                                                        Lead Director
                                           gold/copper/silver                                           Edward Farrauto CGA
                                           exploration in mining
                                                                                                        Director

                                                                                                        George Salamis
                                           triangle of nicaragua                                        Director

                                                                                                        Hon. John Reynolds P.C.
                                                                                                        Director
                                           Calibre Mining Corp. is a Canadian-based exploration
                                           and mine development company with                            Paulo Santos CA
                                                                                                        Chief Financial Officer
                                           gold, silver and copper mineral exploration projects
                                           in the Mining Triangle of northeastern Nicaragua.            Ryan King
                                                                                                        Vice President




                    Borosi Concessions
                m
               5k
              27




                     NICARAGUA                                          Cerro Cola Blanca
                                                                         Forest Reserve
Managua




                                                                                                    Riscos de Oro                              Blag
                                         Bonanza
                                                   Bonanza (Gold Mine)
                                                   2.8M OZS PAST PRODUCTION



                                                                                                   Minnesota
                                                                                                                                        La Luna
                                                                                                           Rosita



                                                                                            Santa Rita

                                                          Cerro Banacruz
                                                          Forest Reserve

                                                                                                              Primavera

                                                                                                                            Prospects

                                                                                                                            100% Calibre

                                                                                                                            Calibre-Alder Option Area

     Cerro                Siuna                                                                                             Calibre-B2Gold Option Area
Aeropuerto                                                                                          0              5         10         15        20km
     LA LUZ (Gold Mine)
     2.7M OZS PAST PRODUCTION
Borosi Gold, Silver and Copper
                                                                                                concessions
    The 100% Calibre owned Borosi concessions cover over 785 square kilometres in northeastern Nicaragua. The Mining Triangle has been one of the most prolific mining
    districts in Central America with a rich history of mining. Calibre has a NI 43-101 compliant inferred resource totaling 1,057,750 ounces of gold and 8,430,070 ounces
    of silver on the 100% owned Cerro Aeropuerto, La Luna and Riscos de Oro Prospects and a NI 43-101 compliant inferred resource totaling 118,000 ounces of gold,
    2,350,000 ounces of silver and 108,000,000 pounds of copper on the Rosita Prospect which is subject to a joint venture with Alder Resources.

                                                                          BOROSI CONCESSION highlights
 > Historical estimates of production from the         	        >  esults of extensive district scale exploration program
                                                                  R                                                                                                              portion of the Borosi concessions is party to an
                                                                                                                                                                                 A
   region:                                                        to-date:                                                                                                       agreement with Nicaragua’s largest gold producer,
 	    •
       Gold, 7.9 million ounces                                  	  Completed 18,091.31m of diamond drilling (68 holes)
                                                                    •                                                                                                            B2Gold Corp.
      • Silver, 4 million ounces                                    • Assayed over 1,791 rock samples and 9,773 soil samples                                                     2Gold has earned 51% interest in these concessions
                                                                                                                                                                                 B
      • Copper, 305 million pounds                                  • Constructed over 2,244.68m (132 trenches) of trenches                                                      (322 sq. km) by funding $8 million in exploration
   ince acquiring Borosi concessions in 2009,
   S                                                                •  ompleted surveying and reconnaissance mapping
                                                                      C                                                                                                          expenditures.
   Calibre has advanced a number of key                               over 516 km2
   prospects



 Primavera                                                                  Riscos de Oro                                                                                          Rosita
 gold/copper project                                                        gold/silver project                                                                                    Alder Resources Option
 Calibre, in conjunction with B2Gold, continues to                          Calibre has completed over 9,400 metres                                                                Calibre optioned the Rosita D concession to Alder
 advance the newly discovered Primavera gold-copper                         of diamond drilling (37 holes) at the 100% owned                                                       Resources Ltd., Alder may earn a 65% interest in
 project. Primavera is the site of a significant gold and                   Riscos de Oro Gold-Silver Project. The program                                                         the Rosita D concession by spending $4 million
 copper soil anomaly covering an area of 800 by 300                         has successfully confirmed                                                                             on exploration. Phase 1 exploration program
 metres (open). An approved phase I $2.0M exploration                       gold-silver mineralization over a strike length of                                                     commenced Dec 2011 which includes 5,000m of RC
 program is underway including additional step out and                      725 metres and to a depth of 300 metres.                                                               drilling and 8,000m of diamond drilling.
 infill drilling on the Primavera Project as well as drilling
 additional gold/copper soil geochem anomalies that                         project highlights                                                                                    project highlights
 have been outlined in the 25 km2 Primavera porphyry                          pithermal Gold and Silver Deposit
                                                                              E                                                                                                     xciting porphyry target identified at Bambana,
                                                                                                                                                                                    E
 target area.                                                                                                                                                                       4km northeast of Rosita
                                                                             Cumulative strike length of 15 kilometres
                                                                                                                                                                                   Historical production estimated at 245 million lbs
 project highlights                                                           revious drilling highlights at Riscos de Oro:
                                                                              P
                                                                                                                                                                                  of copper, 160,000 oz’s of gold and 2,610,000 oz’s of
                                                                              	 •  D-11-10: 10.25 g/t Au and
                                                                                   R
  32 drill holes completed totaling 13,414m                                                                                                                                      silver from the Santa Rita open pits.
                                                                                   288.25 g/t Ag over 5.4m
   phase I 2013 budget of $2.0M
   A                                                                        	    •  D-11012: 7.69 g/t Au and
                                                                                   R                                                                                               Additional high grade copper/gold/silver targets
                                                                                   211.87 g/t Ag over 10.6m
  
   Trenches returned long intervals of continuous
   gold/copper mineralization
   including 179.4m grading 0.63 g/t Au and 997
   ppm Cu                                                               National Instrument 43-101 Compliant Inferred Resource
                                                                        (using a cutoff grade of 0.6 g/t)
  Primavera Select Drill Result Highlights:
 	    •
       PR-11-002: 0.78 g/t Au and 0.297% Cu over
      261.7m                                                                                                    Tonnes and Grade                                                      Total Contained Metal
      •  R-12-007: 0.22 g/t Au and 0.109 % Cu over
        P
                                                                        Deposit             Tonnes              Gold (g/t)         Silver (g/t)        Au Eq1 (g/t)                   Gold (oz)                   Silver (oz)                 Au Eq1 (oz)
        247.3m
                                                                        Cerro
  
   Primavera is geologically similar to Newcrest                                   6,052,000                        3.64              16.16                3.89                            707,750                    3,144,500                        757,000
                                                                        Aeropuerto
   Mining Limited’s Cadia-Ridgeway
   gold/copper mine (23.6M oz Au and 8.3B lbs Cu)                       Riscos De
                                                                                           2,159,000                3.20              59.67                4.14                            222,300                    4,142,000                        287,100
                                                                        Oro

                                                                        La Luna            2,539,000                1.56              14.01                1.78                            127,700                    1,143,570                        146,000
 CAPITAL STRUCTURE                                                    1.  u Eq cutoff equivalent calculated using Wardrop’s estimated gold price
                                                                         A
 (January 2013)                                                          of US$1058/oz and silver price of US$16.57 per ounce.
                                                                      2.  ineral resources that are not mineral reserves do not have economic viability.
                                                                         M                                                                                                Total           1,057,750                   8,430,070                       1,190,000
 Working Capital                        ~ $3,500,000                  3. Metallurgical recoveries and net smelter returns are assumed to be 100%.

 Issued  Outstanding                   187,910,918
 Options                                 16,105,000
 Yamana Warrants                         10,000,000
                                                                                               National Instrument 43-101 Compliant Inferred Resource
 B2Gold Warrants                         10,000,000                                            Calibre Mining and Alder Resources (using a 0.15% copper cutoff grade)
 Fully Diluted                          224,015,918                                                                  Tonnes and Grade              Total Resources
 Market Capitalization                 ~ $14,960,000                                           Deposit                         Tonnes              Gold (g/t)         Silver (g/t)         Copper (Cu)          Gold (oz)           Silver (oz)         Copper (lbs)
 Symbol                                  TSX-V: CXB
                                                                                               Rosita Stock Piles             7,950,000                0.46                9.20                0.62              118,000              2.35M                 108M

                                                                     1. Base case is reported at a 0.15% copper equivalent cut-off grade which incorporates consideration of mining and processing cost, recoveries, commodity prices and selling cost.
                                                                     2. Estimate assumes a long term copper price of US$2.90/lb, a gold price of US$1,200/oz and a silver price of US$24/oz.
Mark Carruthers               Calibre Mining Corp.                   3. Rounding as required by NI 43-101 reporting guidelines may result in apparent summation differences.
Manager Investor Relations    1620–1066 West Hastings St.            4. Tonnage and grade measurements are in metric units. Contained gold and silver ounces are reported as troy ounces, contained copper pounds as imperial pounds.
calibre@calibremining.com     Vancouver, BC V6E 3X1                  5. Mineral resources that are not mineral reserves do not have demonstrated economic viability. The estimate of mineral resources may be materially affected by environmental, permitting, legal,
                                                                     title, taxation, sociopolitical, marketing, or other relevant issues.
604.681.9944                                                         6. The quantity and grade of reported inferred mineral resources in this estimation are uncertain in nature and there has been insufficient exploration to define these inferred mineral resources as
                                                                     indicated or measured mineral resources and it is uncertain if further exploration will result in upgrading them to indicated or measured mineral resources.

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Fact sheet

  • 1. MANAGEMENT & DIRECTORS tsx.v: cxb Greg Smith P.Geo www.calibremining.com President & Chief Executive Officer, Director Douglas B. Forster B.Sc., M.Sc., P.Geo Executive Chairman of the Board Advanced Blayne Johnson Lead Director gold/copper/silver Edward Farrauto CGA exploration in mining Director George Salamis triangle of nicaragua Director Hon. John Reynolds P.C. Director Calibre Mining Corp. is a Canadian-based exploration and mine development company with Paulo Santos CA Chief Financial Officer gold, silver and copper mineral exploration projects in the Mining Triangle of northeastern Nicaragua. Ryan King Vice President Borosi Concessions m 5k 27 NICARAGUA Cerro Cola Blanca Forest Reserve Managua Riscos de Oro Blag Bonanza Bonanza (Gold Mine) 2.8M OZS PAST PRODUCTION Minnesota La Luna Rosita Santa Rita Cerro Banacruz Forest Reserve Primavera Prospects 100% Calibre Calibre-Alder Option Area Cerro Siuna Calibre-B2Gold Option Area Aeropuerto 0 5 10 15 20km LA LUZ (Gold Mine) 2.7M OZS PAST PRODUCTION
  • 2. Borosi Gold, Silver and Copper concessions The 100% Calibre owned Borosi concessions cover over 785 square kilometres in northeastern Nicaragua. The Mining Triangle has been one of the most prolific mining districts in Central America with a rich history of mining. Calibre has a NI 43-101 compliant inferred resource totaling 1,057,750 ounces of gold and 8,430,070 ounces of silver on the 100% owned Cerro Aeropuerto, La Luna and Riscos de Oro Prospects and a NI 43-101 compliant inferred resource totaling 118,000 ounces of gold, 2,350,000 ounces of silver and 108,000,000 pounds of copper on the Rosita Prospect which is subject to a joint venture with Alder Resources. BOROSI CONCESSION highlights > Historical estimates of production from the > esults of extensive district scale exploration program R portion of the Borosi concessions is party to an A region: to-date: agreement with Nicaragua’s largest gold producer, • Gold, 7.9 million ounces Completed 18,091.31m of diamond drilling (68 holes) • B2Gold Corp. • Silver, 4 million ounces • Assayed over 1,791 rock samples and 9,773 soil samples 2Gold has earned 51% interest in these concessions B • Copper, 305 million pounds • Constructed over 2,244.68m (132 trenches) of trenches (322 sq. km) by funding $8 million in exploration ince acquiring Borosi concessions in 2009, S • ompleted surveying and reconnaissance mapping C expenditures. Calibre has advanced a number of key over 516 km2 prospects Primavera Riscos de Oro Rosita gold/copper project gold/silver project Alder Resources Option Calibre, in conjunction with B2Gold, continues to Calibre has completed over 9,400 metres Calibre optioned the Rosita D concession to Alder advance the newly discovered Primavera gold-copper of diamond drilling (37 holes) at the 100% owned Resources Ltd., Alder may earn a 65% interest in project. Primavera is the site of a significant gold and Riscos de Oro Gold-Silver Project. The program the Rosita D concession by spending $4 million copper soil anomaly covering an area of 800 by 300 has successfully confirmed on exploration. Phase 1 exploration program metres (open). An approved phase I $2.0M exploration gold-silver mineralization over a strike length of commenced Dec 2011 which includes 5,000m of RC program is underway including additional step out and 725 metres and to a depth of 300 metres. drilling and 8,000m of diamond drilling. infill drilling on the Primavera Project as well as drilling additional gold/copper soil geochem anomalies that project highlights project highlights have been outlined in the 25 km2 Primavera porphyry pithermal Gold and Silver Deposit E xciting porphyry target identified at Bambana, E target area. 4km northeast of Rosita Cumulative strike length of 15 kilometres Historical production estimated at 245 million lbs project highlights revious drilling highlights at Riscos de Oro: P of copper, 160,000 oz’s of gold and 2,610,000 oz’s of • D-11-10: 10.25 g/t Au and R 32 drill holes completed totaling 13,414m silver from the Santa Rita open pits. 288.25 g/t Ag over 5.4m phase I 2013 budget of $2.0M A • D-11012: 7.69 g/t Au and R Additional high grade copper/gold/silver targets 211.87 g/t Ag over 10.6m Trenches returned long intervals of continuous gold/copper mineralization including 179.4m grading 0.63 g/t Au and 997 ppm Cu National Instrument 43-101 Compliant Inferred Resource (using a cutoff grade of 0.6 g/t) Primavera Select Drill Result Highlights: • PR-11-002: 0.78 g/t Au and 0.297% Cu over 261.7m Tonnes and Grade Total Contained Metal • R-12-007: 0.22 g/t Au and 0.109 % Cu over P Deposit Tonnes Gold (g/t) Silver (g/t) Au Eq1 (g/t) Gold (oz) Silver (oz) Au Eq1 (oz) 247.3m Cerro Primavera is geologically similar to Newcrest 6,052,000 3.64 16.16 3.89 707,750 3,144,500 757,000 Aeropuerto Mining Limited’s Cadia-Ridgeway gold/copper mine (23.6M oz Au and 8.3B lbs Cu) Riscos De 2,159,000 3.20 59.67 4.14 222,300 4,142,000 287,100 Oro La Luna 2,539,000 1.56 14.01 1.78 127,700 1,143,570 146,000 CAPITAL STRUCTURE 1. u Eq cutoff equivalent calculated using Wardrop’s estimated gold price A (January 2013) of US$1058/oz and silver price of US$16.57 per ounce. 2. ineral resources that are not mineral reserves do not have economic viability. M Total 1,057,750 8,430,070 1,190,000 Working Capital ~ $3,500,000 3. Metallurgical recoveries and net smelter returns are assumed to be 100%. Issued Outstanding 187,910,918 Options 16,105,000 Yamana Warrants 10,000,000 National Instrument 43-101 Compliant Inferred Resource B2Gold Warrants 10,000,000 Calibre Mining and Alder Resources (using a 0.15% copper cutoff grade) Fully Diluted 224,015,918 Tonnes and Grade Total Resources Market Capitalization ~ $14,960,000 Deposit Tonnes Gold (g/t) Silver (g/t) Copper (Cu) Gold (oz) Silver (oz) Copper (lbs) Symbol TSX-V: CXB Rosita Stock Piles 7,950,000 0.46 9.20 0.62 118,000 2.35M 108M 1. Base case is reported at a 0.15% copper equivalent cut-off grade which incorporates consideration of mining and processing cost, recoveries, commodity prices and selling cost. 2. Estimate assumes a long term copper price of US$2.90/lb, a gold price of US$1,200/oz and a silver price of US$24/oz. Mark Carruthers Calibre Mining Corp. 3. Rounding as required by NI 43-101 reporting guidelines may result in apparent summation differences. Manager Investor Relations 1620–1066 West Hastings St. 4. Tonnage and grade measurements are in metric units. Contained gold and silver ounces are reported as troy ounces, contained copper pounds as imperial pounds. calibre@calibremining.com Vancouver, BC V6E 3X1 5. Mineral resources that are not mineral reserves do not have demonstrated economic viability. The estimate of mineral resources may be materially affected by environmental, permitting, legal, title, taxation, sociopolitical, marketing, or other relevant issues. 604.681.9944 6. The quantity and grade of reported inferred mineral resources in this estimation are uncertain in nature and there has been insufficient exploration to define these inferred mineral resources as indicated or measured mineral resources and it is uncertain if further exploration will result in upgrading them to indicated or measured mineral resources.