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Update on Merger with Polymetals - Notice of Meeting

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• AMC’s assessment <strong>of</strong> the relative risk <strong>of</strong> the Marda Project compared <strong>with</strong> the Mt Boppy Project.<br />

Details <strong>on</strong> our discount rate determinati<strong>on</strong> are provided in Appendix 3.<br />

Commodity prices<br />

In obtaining projected gold prices we have c<strong>on</strong>sidered:<br />

• Historical spot and forward prices from Bloomberg; and<br />

• Most recent C<strong>on</strong>sensus Ec<strong>on</strong>omics price forecasts.<br />

Based <strong>on</strong> our analysis, we adopted the following projected gold prices (in real terms):<br />

2013 2014 2015 2016 2017 2018 2019 2020 2021<br />

Gold price<br />

(real) 1,600 1,525 1,420 1,300 1,180 1,185 1,185 1,185 1,185<br />

Source: C<strong>on</strong>sensus Ec<strong>on</strong>omics & Bloomberg<br />

The Adjusted Marda Model<br />

We undertook the following analysis <strong>on</strong> the Adjusted Marda Model:<br />

• A review <strong>of</strong> the mathematical structure and internal c<strong>on</strong>sistency;<br />

• Appointed AMC as the technical expert to assess the reas<strong>on</strong>ableness <strong>of</strong> the resources, capital and<br />

operating cost and other mining inputs used in the preparati<strong>on</strong> <strong>of</strong> the life <strong>of</strong> mine;<br />

• C<strong>on</strong>ducted independent research <strong>on</strong> certain ec<strong>on</strong>omic and other inputs such as commodity prices,<br />

foreign exchange rates, inflati<strong>on</strong> and discount rate applicable to the future cash flows <strong>of</strong> the<br />

Marda Project;<br />

• Held discussi<strong>on</strong>s <strong>with</strong> SXG’s management regarding the preparati<strong>on</strong> <strong>of</strong> the cash flow forecasts in<br />

the Marda Model and its views;<br />

• Adjusted the Marda Model to reflect any changes to the technical assumpti<strong>on</strong>s as a result <strong>of</strong> AMC’s<br />

review and any changes to the ec<strong>on</strong>omic and other input assumpti<strong>on</strong>s from our research; and<br />

• Performed a sensitivity analysis <strong>on</strong> the value <strong>of</strong> the Marda Project as a result <strong>of</strong> flexing selected<br />

assumpti<strong>on</strong>s and inputs.<br />

Appointment <strong>of</strong> a technical expert<br />

AMC, a mining technical specialist was engaged to prepare a report providing an assessment <strong>on</strong> the<br />

following inputs used in the preparati<strong>on</strong> <strong>of</strong> the Marda Model;<br />

• The reas<strong>on</strong>ableness <strong>of</strong> the resources used in the preparati<strong>on</strong> <strong>of</strong> the Marda Model;<br />

• Mining physicals (life <strong>of</strong> mine, producti<strong>on</strong> schedule, recovery and grade);<br />

• Operating costs (mining operati<strong>on</strong>, surface haulage, processing, accommodati<strong>on</strong> and messing,<br />

royalties and general and administrati<strong>on</strong>);<br />

• Capital costs (mining capital costs, processing capital costs, resource definiti<strong>on</strong>, general and<br />

administrati<strong>on</strong>); and<br />

• Restorati<strong>on</strong> and rehabilitati<strong>on</strong> provisi<strong>on</strong>s.<br />

33

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