July 2006 Corporate Presentation

Company Overview

Macarthur Minerals Ltd is a Canadian listed company (TSX-V) currently focused on the exploration and development of its Lake Giles project located in Western Australian. The area is prospective for nickel sulphide mineralization, gold and “boutique” iron ore deposits.

– Total issued capital is 11,043,062 Shares and 950,000 warrants convertible into shares @ 30 cents within 12 months of issue but not before 27th February 2006.

– There are 525,000 Options on issue under the company's Stock Option Plan. 75,000 convertible into shares @ 30 cents and 450,000 convertible into shares @ 46cents.

– Major Shareholder is MDA Capital Pty Ltd. controlled by Australian-based mining entrepreneur Mr. Ken Talbot.

Management

David Barwick Chairman, President, CEO

James Canning-Ure DirectorSimon Hickey DirectorAlan Phillips DirectorJames Canning-Ure Corporate Secretary Bill Lyne Company Secretary

Location

Tenement Holding ~ 500km2

Tenement Holding ~ 500km2

Tenement Survey Area

Hoist EM Anomalies

Hoist EM Anomalies

Rock Chip Analysis

105010681113106510661067106910461047105910601061108010991100110911101111111211141115

3,3153,9962,5635,7245,8664,3935,8124,0944,1975,1209,4094,2775,0673,1173,7143,618

14,388 (1.43%)13,135 (1.31%)14,767 (1.47%)6,1314,953

5102,330

259760379

2,3301,976

8889

326493

1,5301,438

8821,4181,0511,460

259233256

1046

Ni (ppm)Cr (ppm)Sample Number

Iron

Summary

• Strong, experienced team• Good corporate structure• Growing demand for Iron Ore• Funded for exploration plan• Close to infrastructure• Also prospective for Gold and Nickel

Share Price