Fresnillo Results Presentation Deck

2021 PRELIMINARY RESULTS - CONSOLIDATED COST INFLATION 2021 (USD BASED) Labour Operating Materials Energy Contractors Freights Maintenance Insurance Unionized Personnel Employees Weighted Others TOTAL Electric Energy Diesel Gasoline Weighted Unit Price Increase % (*) Not including Depreciation and Profit Sharing 12.9% 10.2% 12.0% 6.4% 12.6% 21.8% 18.3% 18.0% 9.5% 4.5% 7.0% 15.3% Consolidated -0.3% Weight (*) 6.4% 3.2% 17.6% 7.0% 9.8% 1.7% 32.0% 15.8% 0.9% 0.8% 4.7% Weighted Average 0.8% 0.3% 1.1% 0.9% 2.1% 0.3% 3.1% 0.7% 0.1% 0.1% 0.0% 9.55% Note: Excluding the effect of the revaluation of the MXP/USD on peso denominated costs, inflation would have been 6.0% 24

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