Q3 and Q4 2023 Corporate Highlights

Capital Cost ($M) Skouries Capital Cost: Evolution from PFS to FS FS reflects updated input estimates, enhancements, and a more robust execution model Execution Model - 8% Updated to reflect an EPCM delivery model Includes inflation adjustment during execution period Input Costs 7% Commodity price increases (steel, copper, cement, etc.) Labor cost increases Scope Enhancements - 5% • Water management Water treatment plant Diversions & spillways Treated water re-injection Foreign Exchange - 3% Strengthening of the Euro between development of PFS and FS $900 33 $800 51 689 53 $700 $600 $500 $400 $300 $200 $100 $0 PFS Execution Model Input Costs (2018 as presented) eldorado gold 19 845 Scope Enhancements FX Initial Capital Costs External Internal 42

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