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Development - Torex Gold Resources Inc.

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Metallurgical Recoveries<br />

Ore Type<br />

Average<br />

Au grade<br />

g/t<br />

Extraction Equation<br />

Extraction<br />

%<br />

Prograde (Skarn)(+Gouge) 2.93 y= 2.2771*ln(x) + 87.057 89.48<br />

Retrograde (skarn) (+Mass Sulfides) 3.55 y= 5.4671*ln(x) + 77.314 84.24<br />

Oxides (Oxide + Marble) 2.78 y= 3.1185*ln(x) + 82.235 85.42<br />

Breccia 3.43 y= 15.453*ln(x) + 48.282 67.33<br />

Hornfels (+Vein Material) 1.42 y= 90 90<br />

Intrusive 1.61 y= 1.3912*ln(x) + 82.376 83.04<br />

Total 2.61<br />

Weighted Average on<br />

Contained <strong>Gold</strong> =<br />

87.40<br />

30

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