Barrick Mining Corporation · TSX:ABX

Barrick Mining — Technical Presentation (September 2014)

18 slides from Barrick Mining's technical presentation, Sep 17, 2014

1. Slide 1: Nevada Mine Tour – Cortez

   Nevada Mine Tour Cortez Matt Gili / Ed Cope í September 17, 2014 CAUTIONARY STATEMENT ON FORWARD-LOOKING INFORMATION Certain information contained or incorporated by reference in this presentation, including any information as to our strategy, projects, plans or future financial or operating perform

2. Slide 2: Agenda / Safety Performance

   Agenda ƒ Safety ƒ Operations Overview ƒ Highlights / ƒ Expansion Opportunities Site Overview ƒ Goldrush / ƒ Reserves / Resources Regional Opportunities 3 Safety Performance ƒ Zero fatalities in 45-year history of Cortez TotalRecordableIncidentFrequencyRate 4.00 3.54 3.37 3.50 3.00 2.43 2.50 2.09 2.0

3. Slide 3: Cortez Highlights / Prolific Mining History

   Cortez í Highlights One of Barrick’s 5 cornerstone gold operations ƒ World class resource: – Proven and Probable Reserves: 11.0 M oz(1) – Measured and Indicated resources: 4.9 M oz(1) ƒ Proven low cost producer: – 2013 Adjusted Operating Cost: $222/oz(2) – 2013 All-In Sustaining Cost: $433/oz(2) ƒ O

4. Slide 4: Site Overview – Cortez Hills and Pipeline

   Site Overview – Cortez Hills Cortez Hills Cortez Hills Underground Open Pit (CHUG) (CHOP) Truck Shop Primary Crusher Waste Rock Portal to underground Conveyor to processing 7 Site Overview – Pipeline Process Plant and Offices Tailings Storage Facility Pipeline Pit Waste Dump Waste Dump Area 30 Heap

5. Slide 5: Reserves and Resources

   Reserves and Resources(1) P&P Reserves (as of Dec. 31/13) Tons (000) Grade (oz/t) Ounces (000) Pipeline 24,221 0.016 397 Gap 25,043 0.017 427 Crossroads 96,864 0.035 3,435 Cortez Hills O/P 20,487 0.096 1,972 Pediment 27,082 0.024 648 Cortez Hills U/G Breccia Zone 1,483 0.645 957 Cortez Hills U/G Mid

6. Slide 6: Pipeline Open Pit Reserves / 2013 Ore Sources

   Pipeline í Open Pit Reserves Crossroads 3.4 Moz Pipeline 0.4 Moz GAP 0.4 Moz 11 11 2013 Ore Sources Contained ounces for 2013 processed tons Ore source Pipeline Mill 2% Contained ounces CHOP Autoclave 2% CHOP Mill 626,502 PPL Roast 3% CHUG Autoclave CHUG Mill 545,965 Pipeline Leach 5% 5% CHOP Mill C

7. Slide 7: Open Pit Mining / Underground Mining

   Open Pit Mining ƒ Conventional truck/shovel operation ƒ Nominal 475,000 tons per day (tpd) ƒ Strip ratio 7:1 2013 2014E Grade (oz/ton) 0.046 0.044 Mining Cost (per ton) $1.70 $1.56 13 13 Underground Mining ƒ Drift and fill method – 1,700 tpd ƒ Fully mechanized mining fleet ƒ Advanced Water Mgmt. Sys

8. Slide 8: Processing Overview / Cortez Outlook

   Processing – Overview ƒ 14,000 tpd CIL mill commissioned in 1997 ƒ 2 heap leach facilities – Pipeline and Cortez Hills ƒ Refractory ore shipped to Goldstrike for processing Processing Cost 2013 2014E Mill (per ton) $10.64 $11.08 Leach (per ton) $0.94 $0.94 15 15 Cortez – Outlook(1) ƒ 2014E productio

9. Slide 9: 2014E Production Split / Operational Excellence

   2014E Production Split Total Property Production CHUG + CHOP + Pipe Pipeline + CHOP Pipeline + CHUG Oxide Ore Leach Grade Ore Refractory Ore Cortez Mill Process Cortez Heap Leach Roaster / Autoclaves 4.1 Mt 23.0 Mt ~1.0 Mt ~ 87% recovery N/A ~ 83% recovery ~52% oz ~23% oz ~25% oz 17 Opportunities –

10. Slide 10: Opportunities – Cortez Hills Lower Zone

    Opportunities – Cortez Hills Lower Zone Cortez Hills Complex 2P = 7.2Moz(1) ƒ Over 1 mile of strike length N-S ƒ Lower Zone ƒ Strong and continuous mineralization drift being ƒ Stacked ore zones, open at depth extended in ƒ Strong economics 2015 (oxide ores below 3800’) 3800L ƒ Mainly higher grade a

11. Slide 11: Goldrush Discovery / Cortez Camp Endowment

    Goldrush Discovery(1) ƒ Red Hill (northern portion) discovered and drilled 2004 – 2008 ƒ Goldrush (southern portion) discovered late 2009 ƒ Initial resource of 3.5 million inferred ounces reported in 2011 ƒ System continuity confirmed in 2011-2012 ƒ Total resource doubled twice ƒ 9.96 million ounces

12. Slide 12: Goldrush Long Section

    Siliclastic Strong alteration Note: Edge and Stepout holes Rocks (assays pending) reported at a 0.040 opt cutoff, infill EOYholes 2013reported Grade xatThickness a 0.150 cutoffLess than 5 oz-ft 5 - 10 oz-ft Crows ƒ Over 3.5 miles of 10 - 20 oz-ft Nest 20 - 50 oz-ft Carbonate Greater than 50 oz-ft Ro

13. Slide 13: Goldrush Cross Section

    Goldrush í Cross Section B B’ 0.5 miles 70ft @ 0.73 opt Red Hill KB Zone 600 ft Undifferentiated volcanic rocks & sediments Horse Canyon siltstone (Eastern Assemblage) Upper and middle Wenban limestones Lower Wenban limestones Ov – Vinini cherts and siltstones (Western Assemblage) Mineralized horizo

14. Slide 14: Goldrush Exploration Decline / 2014 Thayer Lindsley Award

    Conceptual Exploration Development ƒ Very strong mineralization open and untested to north along extent of where exploration decline could be Untested and open High-grade continuity Very high-grade potential being established 103ft @ A Cover 0.725 opt A’ Portal 400’ 1400’ 1200’ 6000' Cover 5000' Hos

15. Slide 15: Regional Growth / Growth Opportunities in Nevada

    Opportunities – Regional Growth Elko Turquoise Ridge South Arturo Reno Goldstrike AREA ENLARGED Elko Carlin Las Vegas Spring Hilltop Valley Gold Ridge Cortez Goldrush Bald Mountain Additional Pits Reno Ruby Hill Pit Expansion Carson City Mines Projects Towns Round Mountain JV 29 29 Growth Opportunit

16. Slide 16: Footnotes

    Footnotes 1. As of December 31, 2013. Calculated in accordance with National Instrument 43-101 as required by Canadian securities regulatory authorities. For a breakdown, see pages 29-37 of Barrick’s 2013 Form 40-F/Annual Information Form. 2. Adjusted operating cost per ounce and all-in sustaining c

17. Slide 17: Development History / Cortez Camp Geology

    Development History ƒ Pipeline deposit discovered in 1991 ƒ First production in 1994 ƒ Cortez Hills discovered in 2002 ƒ Acquired through Placer Dome transaction in 2006 ƒ Record of Decision received in 2008 ƒ First production from Cortez Hills in 2010 33 Cortez Camp í Geology ƒ Eastern Assemblage c

18. Slide 18: Cortez Process Flowsheet / Mining Fleet and Equipment

    Cortez Process Flowsheet 35 Mining Fleet and Equipment 25 Liebherr T282B haul trucks 30 Caterpillar 795F haul trucks 2 P&H 4100 XPB/XPC shovels 3 P&H 2800 XPB shovels 1 EX-5500 excavator 1 L2350 loader 8 Rubber tire dozers 9 Crawler dozers 6 Cat graders (16H and 24H) 5 Atlas Copco PV drills 4 DrillT

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