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  • 1. Advanced Gold, Copper and Silver ExplorationMining Triangle, NicaraguaTSX.V: CXBFEBRUARY 2012
  • 2. CALIBREMINING.COM 2 FORWARD LOOKING STATEMENTCertain statements in this document constitute “forward looking statements” which may notbe based on historical fact. Such forward looking statements involve known and unknownrisk, uncertainties and other factors which may cause the actual results, performanceor achievements of the Company, or industry results to be materially different from anyfuture results, performance, or achievements expressed or implied by such forward lookingstatements. Such factors include, among others, the following: actual results of exploration anddevelopment activities; the costs and timing of the development of new deposits; future pricesof precious and base metals; accidents; risks inherent in mineral exploration; risks associatedwith development, construction and mining operations; restrictions on foreign ownership; theCompany’s history of operating losses and uncertainty of future profitability; uncertainty ofaccess to additional capital; and environmental liability claims and insurance. This presentationis not an offer to purchase securities and does not constitute an offering document underSecurities legislation.
  • 3. 4 CALIBRE INVESTMENT HIGHLIGHTS CALIBREMINING.COM 5 Calibre’s Borosi Gold-Copper-Silver Project Mining Triangle of Northeast Nicaragua, Central America InvestMENT Highlights Stable Environment: PROLIFIC MINING DISTRICT New Discovery: PRIMAVERA GOLD-COPPER PROJECT » Stable government, with a political environment favorable  »  rimavera porphyry gold/copper discovery P to mining »  iscovery drill hole (Jan. 2012): 261.7 m grading 0.78 g/t Au, 0.30% Cu D » Prolific “Mining Triangle” has produced over 7.9M oz’s of gold »  oint Venture with B2Gold. B2Gold(Nicaragua’s largest gold producer) J » Calibre and its partners control over 860 km2 of underexplored project  can earn a 51% interest in 322km2 of concessions including Primavera area in the region Established ProjectS: Proven PARTNERS Team AND PARTNERS: Experienced, Successful »  alibre 100%-owned NI 43-101 Compliant Inferred Resource totaling C » Calibre Mining Proven management with decades of mining and public  835,000 ozs Gold and 4.3 million ozs Silver company experience »  00%-owned Riscos de Oro epithermal gold-silver project: 9,427m 1 »  eatherstone Capital Strong history of success. Have created billions of F delineation drilling completed to date dollars in Shareholder Value »  oint Venture with Alder Resources Ltd. on the Rosita copper skarn project. J » B2Gold Nicaragua’s largest gold producer with two mines and a strong  Alder will invest up to $4 million, for a 65% earn in. Drilling underway at portfolio of development assets Rosita » Alder Resources Experienced management with focus on exploration in  the Americas
  • 4. 6 CALIBRE TEAM CALIBREMINING.COM 7 EXPERIENCED Team PARTNERS Calibre Mining Corp B2Gold Edward Farrauto, CGA President & CEO, Director Vancouver based gold producer led by Clive Johnson and Tom Garagan, »  20+ years experience as CFO and director of public companies; with two gold mines in Nicaragua and a strong portfolio of development and »  ounder and director of several public companies; F exploration assets in Nicaragua, Colombia and Uruguay. B2Gold was founded Paulo Santos, CA Chief Financial Officer in 2007 by the former executive and management team of Bema » 10+ years experience with public accounting, auditing, and regulatory  Gold Corporation. compliance Greg Smith, P.Geo VP Exploration Alder Resources »  23+ years exploration experience with both junior & senior operations; Toronto-based junior exploration company with a focus on exploration for » Involved in successfully outlining 10+ million ounces of gold discoveries.  base and precious metals in the Americas. George Salamis Director » 20+ years exploration, development and operations experience;  »  resident & CEO of Edgewater Exploration Ltd. P Hon. John Reynolds, P.C. Director »  35+ years experience in politics, former Member of Parliament, and a member of the Queen’s Privy Council for Canada; » Strategic Senior Advisor at McMillan LLP.  SHARE STRUCTURE Featherstone Capital Issued & Outstanding 167,865,918 Douglas B. Forster, M.Sc., P.Geo Executive Chairman of the Calibre Board Options 15,900,000 » President & CEO of Featherstone Capital Inc.  Yamana Warrants 10,000,000* »  0+ years of resource project development, M&A, equity finance and 3 Fully Diluted 193,765,918 public company management; Fully Diluted Cash Position $13,174,000 » Founder and director of numerous public companies;  Working Capital $1,750,000 Blayne Johnson Lead Director of Calibre Board * In conjunction with the purchase of the Borosi Concessions in 2009, Calibre granted 10 million » 25 years of capital markets experience;  warrants to Yamana Gold (5 million exercisable at $0.50 and 5 million exercisable at $1.00). The warrants expire in July 2014 and are only exercisable if Calibre delineates at least 2.5 million NI 43- » Former VP of First Marathon Securities  101 Measured and Indicated compliant ounces of gold equivalent (total of gold and copper resources). »  hairman of Featherstone Capital Inc. C
  • 5. 8 WORKING IN NICARAGUA CALIBREMINING.COM 9 BOROSI CONCESSION AREA Borosi Puerto Cabezas HONDURAS Concessions (Airport) Nicaragua: Stable, Under Explored Bonanza (Gold Mine) Riscos de Oro Mining Environment EL SALVADOR Siuna Rosita and Primavera » Democratic Republic with President Ortega elected to a new 5 year term  in Nov. 2011 » Gold is Nicaragua’s No. 3 export  NICARAGUA » Gold has helped Nicaragua’s economy grow by 4% annually in the past year,  El Limon (Gold Mine) the highest rate in Central America B2GOLD CORP. » Annual gold production has more than doubled in the past 3 years  La Libertad (Gold Mine) Pacific Ocean Managua B2GOLD CORP. » Supportive mining laws, including favourable tax regime  Caribbean » 25 year exploration and 50 year exploitation permits  Sea » Economist Intelligence Unit ranks Nicaragua as one of the safest countries  Lake in Central America Nicaragua COSTA RICA 0 20 40 80 120 160km
  • 6. 10 BOROSI CONCESSIONS AREA CALIBREMINING.COM 11 BOROSI GOLD, SILVER AND COPPER CONCESSIONS – “Mining triangle” CALIBRE/B2Gold 1 PRIMAVERA Borosi Concessions Gold-Copper 100% CALIBRE m 5k 27 NICARAGUA Cerro Cola Blanca 2 CERRO AEROPUERTO Forest Reserve Gold-Silver Managua NI43-101 Inferred Resource 707,750 oz Au 3.14M oz Ag Bonanza Riscos de Oro 4 3 LA LUNA Bonanza (Gold Mine) Gold-Silver 2.8M OZS PAST PRODUCTION NI43-101 Inferred Resource 3 127,700 oz Au 1.74M oz Ag La Luna 4 RISCOS DE ORO Rosita Gold-Silver 5 9,427m of drilling completed Santa Rita CALIBRE/ALDER Cerro Banacruz RESOURCES Forest Reserve 1 5 SANTA RITA Primavera Copper-Gold Former open pit copper mine produced 305M lbs Cu Prospects 100% Calibre Calibre-Alder Option Area Cerro Aeropuerto 2 2 Siuna Calibre-B2Gold Option Area 0 5 10 15 20km LA LUZ (Gold Mine) 2.7M OZS PAST PRODUCTION
  • 7. 12 PRIMAVERA PROJECT CALIBREMINING.COM 13 Borosi Concessions PRIMAVERA GOLD/COPPER PROJECT NEW Porphyry Gold/Copper Discovery 0km 20 40 PROJECT HIGHLIGHTS AIRBORNE RADIOMETRIC SURVEY » Road accessible with national power grid located 1.2 km from the project,  8km from town of Rosita » Subdued topography with main land use being subsistence farming and  ranching. » Joint Venture with B2Gold: B2Gold can earn a 51% interest in Primavera,  as well as 322 sq km of surrounding concessions, by spending $8M by June, 2014 ($4.0 spent to December 2011). B2Gold may elect, once earn-in is complete, to carry an individual prospect within the concession area through a Preliminary Feasibility Study for an additional 14% interest in the project » Airborne geophysical survey outlines a large 5km by 5km interpreted  intrusive/volcanic complex Intrusive/Volcanic » 3 drill holes completed in December 2011. Phase 2 drilling now underway  Complex » Similar style of mineralization to the Maricunga gold deposit,  Chile: +6.0M ozs* gold; and the Cerro Casale gold-copper deposit, Chile: +22.0M ozs gold, 5.7B lbs copper.** PRIMAVERA GOLD-COPPER DISCOVERY *Proven + Probable: 6.0 M ozs Au; Measured + Indicated : 3.4 M ozs Au (Kinross Gold Corp. website) * *Proven & Probable: 22 M ozs Au, 5.7 B lbs Cu (Barrick Gold Corp. website)
  • 8. 14 PRIMAVERA PROJECT CALIBREMINING.COM 15 Borosi Concessions PRIMAVERA GOLD/COPPER PROJECT SOIL GEOCHEMISTRY 0km 20 40 GOLD IN SOIL GEOCHEMISTRY COPPER IN SOIL GEOCHEMISTRY PR11-001 PR11-001 PR11-002 PR11-002 PR11-003 PR11-003 TRENCH RESULTS HIGHLIGHTS Trench ID Interval (m) Gold (g/t) Copper (ppm) »  ver 800 m by 300 m gold/copper soil geochemistry anomaly (open) O PRTR11-005 51.25 1.53 680 »  renches returned long intervals of continuous gold-copper mineralization T PRTR11-010 107.00 0.78 980 including 179.4m grading 0.63g/t Au and 997 ppm Cu PRTR11-011 179.40 0.63 997 »  ery sparse rock outcrop in region with up to 10m of overburden V PRTR11-012 58.00 0.70 1313 and saprolite PRTR11-013 49.50 0.25 1100 PRTR11-014 51.70 0.42 1286
  • 9. 16 PRIMAVERA PROJECT CALIBREMINING.COM 17 Borosi Concessions PRIMAVERA GOLD/COPPER PROJECT DRILL RESULTS 0km 20 40 » 668 metres of diamond drilling complete in 3 drill holes (Dec. 2011)  » 2,000m Phase II Drill Program initiated in January, 2012 » Mineralization in the drill holes is comprised of quartz-magnetite-  chalcopyrite-bornite veins and vein stockwork within broad zones of potassically-altered intermediate volcanic and intrusive rocks JANUARY 2012 PRIMAVERA DRILL HOLE INTERCEPTS Drill Hole From To Length Gold Copper (m) (m) (m) (g/t) (ppm) PR-11-001 0.00 276.80 276.80 0.50 2,146 includes 0.00 103.00 103.00 0.85 3,240 PR-11-002 1.5 263.20 261.70 0.78 2,966 includes 1.5 209.00 207.50 0.89 3,378 includes 74.50 209.00 134.50 1.01 3,561 PR -11-003 4.00 127.85 123.85 0.65 2,752 includes 50.50 127.85 77.35 0.74 3,114
  • 10. 18 PRIMAVERA PROJECT CALIBREMINING.COM 19 Borosi Concessions PRIMAVERA GOLD/COPPER PROJECT DRILL HOLE PR11-002 DRILL HOLE PR11-001 0km 20 40 Au (g/t) Cu (ppm) PR11-002 INTERCEPTED: PR11-001 INTERCEPTED: » 261.70m grading 0.78 g/t Au, 0.30% Cu » 103.0m grading 0.85 g/t Au, 0.32% Cu » Continuos Gold-Copper Mineralization PICTURED DRILL INTERCEPT ASSAYED »  .00m @ 1.11g/t Au and 0.42% Cu 2 (Section 76.00m-78.00m of Hole PR11-001)
  • 11. 20 PORPHYRY GOLD-COPPER DEPOSITS IN THE AMERICAS CALIBREMINING.COM 21 PORPHYRY GOLD/COPPER DEPOSITS OF CENTRAL AMERICA AND CORDILLERA HONDURAS Deposit Tonnes Au Cu Au Eq. Contained Au Contained Cu (Mt) (g/t) (%) (g/t)* (Million ozs) (Billion lbs) Cerro Casale 1,200 0.59 0.22 0.94 23.1 5.78 Chapada 429 0.24 0.26 0.65 3.1 2.15 PRIMAVERA El Morro 537 0.49 0.52 1.31 8.2 6.08 Porphyry Gold-Copper Project Agua Rica 908 0.22 0.49 1.00 22.1 9.78 Maricung 269 0.70 0.00 0.70 6.0 0.00 NICARAGUA Alumbrera 390 0.51 0.47 1.25 6.4 4.03 Kemess South 109 0.71 0.23 1.07 2.5 0.56 Caribbean Sea Mt. Milligan 531 0.34 0.20 0.66 6.0 2.12 Cobra Panama 2,143 0.07 0.41 0.72 4.9 19.59 Cerro Colorado 1,400 0.08 0.78 1.31 3.5 24.00 Primavera ** - 0.76 0.30 1.23 - - * Au Eq. (g/t): Gold Equivalent calculated COBRA PANAMA using $1,300 oz gold and $3.00/lb copper and metallurgical recoveries and net smelter 19.6 B lbs Copper, 4.9M ozs Gold returns are assumed to be 100%. COSTA RICA ** Weighted average grade of first 3 drill hole intercepts PR11-001, PR11-002, PR11-003 Resource Information derived from Website Sources. Pacific Ocean PANAMA CERRO COLORADO 24.8 B lbs Copper, 3.5M ozs Gold
  • 12. 22 RISCOS DE ORO PROJECT CALIBREMINING.COM 23 Borosi Concessions RISCOS DE ORO PROJECT DISTRICT POTENTIAL 0km 20 40 100% CALIBRE OWNED »  ow Sulfidation Epithermal Gold-Silver Vein District L »  omparable to nearby Bonanza Camp in geology, mineralization, C and structure (past production of +2.8 million ozs Au) »  old – Silver System extends over 7 km from the El Paraiso and G Murcielago targets Northeast towards Riscos de Oro »  ompleted 9,427m of resource delineation drilling at Riscos in 37 C holes with epithermal gold-silver intercepts including 7.69 g/t Au, 211.80 g/t Ag over 10.6m »  istoric trenching at Murcielago adit 7.0 Km SW of Riscos returned H 12.4 g/t Au over 3.0 metres »  ultiple parallel veins identified M DRILLING DETAILS »  ,427m of delineation drilling completed 9 »  ormer open pit and underground mine to 90m depth only F »  old-Silver mineralization defined over 725m strike length to G a depth of 300m »  ultiple mineralized veins and structures M Drilling Highlights »  D11-012: 7.69 g/t Au, 211.80 g/t Ag over 10.6m R »  D11-010: 10.25 g/t Au, 288.25 g/t Ag over 5.4m R »  D10-009: 4.23 g/t Au, 384.86 g/t Ag over 8.53m R
  • 13. 24 RISCOS DE ORO PROJECT CALIBREMINING.COM 25 Borosi Concessions RISCOS DE ORO ASSAY HIGHLIGHTS FROM DRILLING PROGRAMS FROM 2010/2011 PROJECT HIGHLIGHTS Hole ID Thickness (m)1 Au Grade (g/t)2 Ag Grade (g/t)2 AuEq (g/t)3 0km 20 40 RD10-001 5.80 2.44 292.60 7.84 DRILLING CROSS SECTION (A TO A’) RD10-002 4.90 0.97 28.72 1.50 RD11-003 3.40 8.81 55.74 9.84 RD10-005 4.14 9.04 30.02 9.59 RD10-009 8.53 4.23 384.86 11.34 RD11-010 1.50 5.98 9.10 6.15 and 4.20 2.50 5.16 2.60 RD11-011 3.62 6.41 139.21 8.98 RD11-012 10.60 7.69 211.87 11.60 RD11-013 5.08 0.82 2.76 0.87 RD11-014 3.03 1.54 46.30 2.39 RD11-015 2.20 5.44 405.55 12.93 RD11-016 7.10 2.72 287.65 8.03 and 4.29 3.20 13.30 3.45 RD11-017 3.90 9.31 336.06 15.51 RD11-018 1.39 9.11 14.33 9.37 RD11-019 5.80 9.37 64.8 10.57 RD11-021 8.64 4.4 24.12 4.85 RD11-024 2.35 7.75 15.49 8.04 RD11-025 2.95 4.23 449.8 12.53 RD11-016 INTERCEPTED: RD11-026 2.58 8.74 120.5 10.96 » 7.10m of 2.72 g/t Au & 287.65 Ag RD11-027 4.60 2.28 11.56 2.49 RD11-029 2.45 10.30 56.71 11.35 PICTURED DRILL INTERCEPT ASSAYED RD11-031 2.65 3.33 11.22 3.54 RD11-037 4.21 8.66 37.57 9.35 »  .68m @ 3.6 g/t Au and 518 g/t Ag 3 (Section 201.92m – 205.60m of NOTES 1  ll reported intercepts are core lengths and true widths are estimated at 80 percent of A Hole RD11-016) core lengths. 2 Weighted averages calculated usign assays. 3  uEq (g/t): Gold Equivalent calculated usign $1,300/oz gold and $24.0/oz Ag and A metallurgical and net smelter returns are assumed to be 100%.
  • 14. 26 CERRO AEROPUERTO AND LA LUNA PROJECTS CALIBREMINING.COM 27 NI 43-101 GOLD SILVER Borosi Concessions RESOURCES AT CERRO AEROPUERTO AND LA LUNA 0km 20 40 100% CALIBRE OWNED La Luz Mine Calibre Mining Corp. Global Inferred Resource (using a 0.6 g/t AuEq 1,3 cutoff grade)2 Tonnes and Grade Total Ounces Deposit Tonnes Gold Silver Au Eq1 Gold Silver Au Eq1 (g/t) (g/t) (g/t) (oz) (oz) (oz) Cerro Aeropuerto 6,052,000 3.64 16.16 3.89 707,750 3,144,500 757,000 La Luna 2,539,000 1.56 14.01 1.78 127,700 1,143,570 146,000 835,450 4,288,070 903,000 CERRO AEROPUERTO DRILL HOLES »  u Eq cutoff equivalent calculated using Wardrop’s estimated A gold price of US$1,058/oz and silver price of US$16.57 /oz Borosi Concessions »  ineral resources that are not mineral reserves do not have M economic viability. »  etallurgical recoveries and net smelter returns are assumed to M 0km 20 40 be 100% LA LUNA DRILL HOLES
  • 15. 28 CALIBRE/ALDER OPTION CALIBREMINING.COM 29 Borosi Concessions FORMER SANTA RITA COPPER MINE CALIBRE/ALDER OPTION 0km 20 40 »  ptioned to Alder Resources; Alder to spend C$4.0 million over the O next four years to earn a 65% stake in Calibre’s Rosita D Concession »  osita D concession: 3,356 hectares - only 5% of Calibre’s concessions R in the Mining Triangle »  istoric open pit Santa Rita copper-gold mine: total historic H production from skarn mineralization estimated at 305 M lbs of Cu, 177,737 ozs of Au, and 2,629,720 ozs of Ag from 5,924,572 tons of ore (Arengi, 2002) »  ecent drilling results reported by Alder include: 12m grading R 0.91% Cu, 1.00 g/t Au and 16.63 g/t Ag (Alder News Release February 8, 2012) SANTA RITA HISTORICAL OPEN PIT »  hase One exploration commenced, including 5,000 metres P of RC and 8,000 metres of diamond drilling
  • 16. Summary EXPLORATION TIME LINE & NEWS Flow»  icaragua provides a favorable, stable, environment N for mining. 2012 Q1 Q2 Q3 Q4 Exploration for Porphyry Calibre/B2Gold Option»  e ‘Mining Triangle’ has proven potential and is Th Gold/Copper Systems 100% Calibre owned concessions under-explored. Target Delineation Primavera / Calibre/B2Gold Drilling Rosita Copper Project / Calibre/Alder Resources Option»C  alibre Mining, Featherstone Capital, B2Gold, and Alder Resources are an established, experienced team Data Review Riscos de Oro / 100% Calibre who control over 860 km2 of underexplored territory Drilling results comparison in an area that has already produced more than 7.9M RESULTS Drill results from Santa Rita and Primavera oz’s of gold.»  ew and significant porphyry gold-copper discovery N at Primavera. INFORMATION»W  ith up to $8 million in exploration carried by Mark Carruthers partners, Calibre is able to rapidly advance its calibre@calibremining.com opportunities in the Mining Triangle. (604) 681.9944 Calibre Mining Corp. 1620 – 1066 West Hastings St. Vancouver, BC V6E 3X1 TSX.V: CXB calibremining.com
  • 17. Calibre Mining Corp.1620 - 1066 West Hastings St.Vancouver, BC V6E 3X1TSX.V: CXBcalibremining.com