Barrick Mining Corporation · TSX:ABX

Barrick Mining — Technical Presentation (November 2003)

10 slides from Barrick Mining's technical presentation, Nov 11, 2003

1. Slide 1: Lawlers Gold Mine Operations

   Lawlers Gold Mine LAWLERS Operations AU STR ALIA 2 Down Under 2003Mine Tour November 11 , 2003 1

2. Slide 2: Location of Operations and Historical Notes

   Lawlers Gold Mine Lawlers Gold Mine: Location of Operations Plutonic Barrick Operations Newmont Operations Placer Operations Darlot Lawlers 0 500km Scale AU STR ALIA 3 Lawlers Gold Mine: Historical Notes ƒ 1894 Discovery by Paddy Lawlers ƒ 1984 Commencement of Tailings treatment ƒ 1986 Commencement

3. Slide 3: Safety and Geology

   Lawlers Gold Mine Lawlers Gold Mine: Safety 60 All Injury Frequency Rate Lost Time Injury Rate 50 Frequency (12 MMA) 40 30 20 10 0 May-03 Nov-02 Jan-03 Mar-03 Jun-03 Jul-02 Aug-02 Jul-03 Aug-03 Sep-02 Dec-02 Sep-03 Oct-02 Feb-03 Apr-03 Oct-03 AU STR ALIA 5 Lawlers Mine: Geology ƒ Gold derived from s

4. Slide 4: Mining and Processing

   Lawlers Gold Mine Lawlers Gold Mine: Glasgow Lass Trend Hidden Secret N or th New Holland Genesis AU STR ALIA 7 Lawlers Gold Mine: Mining and Processing ƒ Underground access by declines from New Holland and Genesis Pits ƒ Predominantly long hole open stoping ƒ Some room & pillar and airleg stoping ƒ

5. Slide 5: New Holland Long Section: Long hole open stoping

   Lawlers Gold Mine Lawlers Gold Mine: New Holland Long Section 1.0km AU STR ALIA 9 Lawlers Gold Mine: Long hole open stoping ƒ Initial drive along strike ƒ 64mm blast holes and airleg slot ƒ Average stope size 30,000 tonnes ƒ Conventional remote control loaders ƒ Ore trucked 4km to the surface AU STR

6. Slide 6: Production/Cost Summary

   Lawlers Gold Mine Lawlers Gold Mine: Ore Processing AU STR ALIA 11 Lawlers Gold Mine: Production/Cost Summary Gold Cash Cost per Ounce 120,000 300 100,000 250 80,000 200 $US/Ounces ounces 60,000 150 40,000 100 20,000 50 0 0 1999 2000 2001 2002 2003E AU STR ALIA 12 Down Under 2003Mine Tour November 1

7. Slide 7: Operating Costs and Operating Parameters

   Lawlers Gold Mine Lawlers Gold Mine: Operating Costs A$/ton 3rd Quarter 2003 2003 YTD Cost per ton mined Open Pit N/a 4.76 Underground 27.6 29.71 Cost per ton milled Mining 31.28 30.06 Milling 14.84 14.28 G&A 9.42 9.51 Total 55.54 53.85 AU STR ALIA 13 Lawlers Gold Mine: Operating Parameters Units 19

8. Slide 8: Environmental Achievements and Reserves and Production

   Lawlers Gold Mine Lawlers Gold Mine: Environmental Achievements ƒ Golden Gecko Award for Environmental Excellence (landfill management system) ƒ Commissioning of new in pit tails facilities in Great Eastern and Lawlers East Pits ƒ Closing and Rehabilitation of in pit Tails facilities in Caroline and

9. Slide 9: Reserves/Resources and Future Plans

   Lawlers Gold Mine Lawlers Gold Mine: Reserves/Resources 31st Dec 2002 ton Grade oz/ton Contained oz Reserves 3,407,000 0.149 509,000 Resources* 10,705,000 0.131 1,401,000 *excludes reserves AU STR ALIA 17 Lawlers Gold Mine: Future Plans ƒ Increase mill throughput ƒ Improve understanding of complex o

10. Slide 10: Cautionary Statement

    Lawlers Gold Mine Cautionary Statement FORWARD LOOKING STATEMENT Certain statements included herein, including those regarding production and costs and other statements that express management’s expectations or estimates of our future performance, constitute “forward-looking statements” within the m

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