Please refer to the listed Qualified Persons and other NI 43-101 disclosures in the Technical Report.

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Figure 1: NI 43-101 Technical Report Pre-Feasibility Study, Liberty Project
– Summary of Key Project Data (100% owned by General Moly)

Open Pit Mine Life 31 years
Milling of Low Grade stockpile 1 years
Total Life 32 years
Ore Density 2.53 g/cc average
Mine Open Pit
Process Description  Crushing, Grinding, Flotation, Dewatering
Mill Throughput 26,500 short tons per day
Material Mined 32 to 42 million short tons per year
Costs in Constant US Dollars Indexed to 2014 Q1
Initial Capital $359 million
Reclamation Bond Collateral and Prepaid Power $7 million
Sustaining Capital Costs $224 million
Working Capital $21 million
NPV at 8% Discount Rate $325 million
Benefit Cost Ratio* at 8% Discount Rate 2.00
IRR 17.4%
Payback from First Production 4.8 years

* Benefit Cost Ratio is the quotient of the discounted value of incremental benefits divided by the discounted value of incremental costs. A BCR greater than 1.0 shows favorable economics.

Figure 2: NI 43-101 Technical Report Pre-Feasibility Study, Liberty Project
– Project Production Summary

Parameter Unit First 5 Years First 10 Years LOM
HG ore mined, Excluding Preprod Million st 46.2 94.5 300
LG ore mined Million st 2.6 8 10
Waste mined Million st 111.2 256 550
Material mined Million st 160.0 358 859
Stripping ratio 2.46 2.79 1.78
Ore Milled Million st 47 96 309
Million lb tMo 85 166 483
Million lb rMo 71 141 406
Million lb tCu 70 130 605
Average Mill Mo Grade %tMo 0.090% 0.087% 0.078%
Average Mill Mo Grade %rMo 0.075% 0.073% 0.066%
Average Mill Cu Grade %tCu 0.074% 0.068% 0.098%
Mill Molybdenum Recovery % 83.5% 84.6% 84.0%
Downstream Molybdenum Recovery % 99.0% 99.0% 99.0%
Total Molybdenum Recovery % 82.6% 83.7% 83.2%
Mill Copper Recovery % 56.0% 55.5% 53.6%
Downstream Copper Recovery % 95.1% 95.1% 95.1%
Total Copper Recovery % 53.3% 52.7% 50.9%
Salable Molybdenum Million lb/y 14.0 13.9 12.6
Salable Copper Million lb/y 7.5 6.9 9.6
Salable Molybdenum Million lb 70 139 402
Salable Copper Million lb 37 69 308