Plutonic - Barrick Gold

Plutonic Gold Mine

PLUTONIC

Operations

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Plutonic Gold Mine

Plutonic Gold Mine: Location of Operations

Plutonic Barrick Operations
Newmont Operations
Placer Operations

Lawlers Darlot

AUSTRALIA 0 500km
Scale

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AUSTRALIA Plutonic Gold Mine: Historic Note

ƒ 1987 - 1989 New discovery by Great
Central and acquisition by Plutonic
Resources

ƒ 1990 Commencement of Open Pit
mining

ƒ 1995 Commencement of
Underground mining

ƒ 1998 Homestake Mining acquires
Plutonic Resources

ƒ 1998-2000 Underground expansion

ƒ 2000 Commencement of
underground mining at Plutonic
East

ƒ 2001 Barrick and Homestake Merge

ƒ 2002 Record reserves

ƒ 2003 Transition to Owner Mining
and construction of Paste Fill plant

ƒ 2003 Expect record production

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Plutonic Gold Mine

Plutonic Gold Mine: Safety All Injury Frequency Rate

Lost Time Injury Frequency Rate 200

20 180
18
16
14
12
10

8
6
4
2
0
Lost Time Injury Frequency Rate 160
All Injury Frequency Rate
140

120

100

Jan-98
Apr-98
Jul-98
Oct-98
Jan-99
Apr-99
Jul-99
Oct-99
Jan-00
Apr-00
Jul-00
Oct-00
Jan-01
Apr-01
Jul-01
Oct-01
Jan-02
Apr-02
Jul-02
Oct-02
Jan-03
Apr-03
Jul-03

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Plutonic Gold Mine: Property Overview

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Plutonic Gold Mine 7

Plutonic Gold Mine: Geology

ƒ Hosted in Archaean mafic
and ultramafic volcanics
and sediments

ƒ Lodes developed in mafic
volcanic units

ƒ Gold associated with
sulfides

ƒ Multiple stacked lodes
arranged in thicknesses
between 1-10 meters
(approx: 3 - 35 feet)

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Plutonic Gold Mine: Mine Plan

0OZ•N5

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Plutonic Gold Mine

Plutonic Gold Mine: Marwest Pit-Section 20560N

AUSTRALIA East West Section

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Plutonic Gold Mine: Mining and Processing

ƒ Underground access by
multiple interconnecting
declines

ƒ Producing 1,200,000 tpa from
underground

ƒ Mining - room and pillar and
long hole open stoping

ƒ Paste fill was introduced in
2003

ƒ Two independent CIL
processing plants
ƒ Plant 1 - 1.8 million
tonne/year of sulphide
ore approx 80% from
underground
ƒ Plant 2 - 1.2 million
tonne/year Open Pit oxide
ore

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Plutonic Gold Mine

Plutonic Gold Mine: Mining - Room and Pillar

PPiillllaarr ƒ Initial network of
development drifts in
VVeerrttiiccaall ore
BBeenncchhiinngg
ƒ Multiple production
FFrroonntt focus
BBeenncchhiinngg
ƒ Load and haul
BBeenncchhiinngg tthhiicckkeerr
ppaarrttss ooff tthhee oorree bbooddyy ƒ Breast stoping

ƒ Vertical benching

ƒ Support pillars
progressively mined
on retreat

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Plutonic Gold Mine: Long Hole Open Stoping

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Plutonic Gold Mine

Plutonic Gold Mine: Ore Processing

Plant 1

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Plutonic Gold Mine: Ore Processing (cont.)

Plant 2

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Plutonic Gold Mine

Plutonic Gold Mine: Production/Cost Summary

Gold Cash Cost per Ounce
1999
350,000 250
300,000
250,000 200
200,000
150,000Ounces 150
100,000 $US/Ounces
100
50,000
0 50

0

2000 2001 2002 2003E

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Plutonic Gold Mine: Operating Costs

A$/ton 3rd Quarter 2003 YTD 2003

Cost per ton mined 1.80 1.94
Open Pit 32.38 35.30

Underground 23.85 24.03
Cost per ton milled 8.08 7.80
4.41
Mining 36.24

Milling

G&A 4.79

Total 36.73

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Plutonic Gold Mine

Plutonic Gold Mine: Operating Parameters

Units 1999 2000 2001 2002 2003 E

Tonnage Milled Tons ‘000s 3,344 3,347 3,496 3,532 2,993
0.082 0.085 0.091 0.097 0.118
Head Grade oz/ton 86.0 89.1 91.3 89.5 89.4
236 254 288 307 315
Recovery %
oz ’000s
Gold
Production

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AUSTRALIA Environmental and Community Achievements

ƒ Commencement of TSF1 closure
ƒ Now use in pit tails disposal
ƒ Concurrent rehabilitation of waste

dumps with mining.
ƒ Successful management of six

priority flora, one scheduled animal
and conservation habitat .
ƒ Successfully conducted several site
clearances with people from Yulga
Jinna Aboriginal Community.
ƒ Program to upgrade all hydrocarbon
storage facilities to be completed in
2003
ƒ Bulk Cyanide handling facility
installed.
ƒ Received the Golden Gecko
Certificate of Merit in 2001

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Plutonic Gold Mine

Plutonic Gold Mine: Reserves and Production

6000 O/P Production U/G Production
5000 O/P Reserves U/G Reserves

4000

Ounces (000's) 3000

2000

1000

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1989 1990 1991 1992 1993 1994 1995 1996 1997 1998 1999 2000 2001 2002

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Plutonic Gold Mine: Reserves/Resources 31st Dec 2002

Reserves tons Grade oz/t Contained oz
Resources*
13,976,000 0.181 2,533,000
26,682,000 0.130 3,470,000

*excludes reserves

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Plutonic Gold Mine

Plutonic Gold Mine: Exploration Targets

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Plutonic Gold Mine: Timor Oblique Section 36800mN

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Plutonic Gold Mine

Plutonic Gold Mine: Future Plans

ƒ Develop new Open Pits on the
Marymia tenements

ƒ Develop underground satellite
deposits

ƒ Phase out Treatment Plant 2
in 2004

ƒ Continue infill drilling in Timor
Zone19 and Zone 124

ƒ Expand exploration west of
Zone19

ƒ Drill further extensions to the
underground mine

ƒ Optimise the underground
mine

ƒ Continuous Improvement
Program

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AUSTRALIA 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 meaning of the United States Private Securities
Litigation Reform Act of 1995. The words “believe”, “expect”, “anticipate”, “contemplate”, “target”,
“plan”, “intends”, “continue”, “budget”, “estimate”, “may”, “will”, “schedule”, and similar expressions
identify forward-looking statements. Forward-looking statements are necessarily based upon a
number of estimates and assumptions that, while considered reasonable by management are
inherently subject to significant business, economic and competitive uncertainties and contingencies.
We caution you that such forward-looking statements involve known and unknown risks, uncertainties
and other factors that may cause the actual financial results, performance or achievements of
Barrick to be materially different from our estimated future results, performance or achievements
expressed or implied by those forward-looking statements and our forward-looking statements are
not guarantees of future performance. These risks, uncertainties and other factors include, but are
not limited to: changes in the worldwide price of gold or certain other commodities (such as silver,
copper, diesel fuel and electricity) and currencies; changes in interest rates or gold lease rates that
could impact realized prices under our forward sales program; legislative, political or economic
developments in the jurisdictions in which Barrick carries on business; operating or technical
difficulties in connection with mining or development activities; the speculative nature of gold
exploration and development, including the risks of diminishing quantities or grades of reserves; and
the risks involved in the exploration, development and mining business. These factors are discussed
in greater detail in Barrick’s most recent Form 40-F/Annual Information on file with the U.S.
Securities and Exchange Commission and Canadian provincial securities regulatory authorities.

Barrick expressly disclaims any intention or obligation to update or revise any forward-looking
statements whether as a result of new information, events or otherwise.

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Plutonic Gold Mine

PLUTONIC

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