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Update on Merger with Polymetals - Notice of Meeting

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BDO CORPORATE FINANCE (WA) PTY LTD<br />

<strong>Polymetals</strong> Mining Limited and Southern Cross Goldfields Limited<br />

Technical Specialist's Report<br />

3.2.3.2 Mineral Resources<br />

Mineral Resources have been estimated for the Discovery and Orchard Tank deposits and is based <strong>on</strong><br />

drilling data collected by De Grey in 2005 and 2006. Drilling is mainly RAB, AC <strong>with</strong> some RC and is spaced<br />

at about 20 m x 40 m.<br />

The estimate is a c<strong>on</strong>venti<strong>on</strong>al block model <strong>with</strong> grade estimated using OK <strong>with</strong> estimati<strong>on</strong> parameters<br />

determined from a study <strong>of</strong> variography. Bulk densities were assigned based <strong>on</strong> mean values for oxide,<br />

transiti<strong>on</strong> and fresh rock.<br />

The estimate has been classified as Inferred Resource reflecting some uncertainty in the historic data. The<br />

Mineral Resources are reported at a 1.0% Zn COG.<br />

The Discovery and Orchard Tank Mineral Resources have been estimated using accepted industry practice<br />

and have been classified and reported in accordance <strong>with</strong> the JORC Code.<br />

3.2.3.3 Valuati<strong>on</strong><br />

The Turner River base metals project comprises two explorati<strong>on</strong> licences covering an area <strong>of</strong> 95 km 2 . The<br />

tenements include a polymetallic Mineral Resource. Yardstick values for polymetallic Mineral Resources are<br />

more difficult to determine than those for gold tenements because <strong>of</strong> different combinati<strong>on</strong>s <strong>of</strong> metals,<br />

metallurgy, and c<strong>on</strong>siderati<strong>on</strong>s <strong>of</strong> locati<strong>on</strong> and scale.<br />

The tenements were the subject <strong>of</strong> a farm-in arrangement between Landsdowne and De Grey whereby<br />

Landsdowne could earn a 75% interest in the tenements by spending $1.5M over three years. The joint<br />

venture terms valuati<strong>on</strong> method indicates a value <strong>of</strong> the vendor’s interest at $0.35M at the time <strong>of</strong> the<br />

agreement.<br />

<strong>Polymetals</strong> has spent about $0.60M <strong>on</strong> explorati<strong>on</strong> and has a beneficial interest <strong>of</strong> 55%, although no interest<br />

is earned if the full farm-in expenditure commitment is not met.<br />

The tenements cover an area <strong>of</strong> 95 km 2 <strong>with</strong> identified Mineral Resources. AMC c<strong>on</strong>siders a range <strong>of</strong><br />

$2,000/km 2 to $5,000/km 2 to be appropriate for the Turner River base metals project. The value <strong>of</strong> the<br />

tenements is in the range $0.11M to $0.26M for <strong>Polymetals</strong> 55% interest using this method.<br />

Details <strong>of</strong> explorati<strong>on</strong> expenditure prior to the farm-in were not available to AMC. Valuati<strong>on</strong> using the past<br />

expenditure method was not possible.<br />

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