Slide 1: Q3 2025 Conference Call
Q3 2025 Conference Call November 5, 2025 12:00 P.M. E.T. Allen Palmiere, President & Chief Executive Officer Armando Alexandri, Chief Operating Officer Chet Holyoak, Chief Financial Officer
Slide 2: Cautionary Notes
Cautionary Notes Cautionary Note Regarding Forward-Looking Statements Except for statements of historical fact relating to us, certain statements contained in this presentation constitute forward-looking information, future oriented financial information, or financial outlooks (collectively “forward
Slide 3: Q3 2025 Highlights
Q3 2025 Highlights Initiate a safety assessment for DDGM Strong production results for gold equivalent ounces Transition to more efficient and high-quality mining practices. We have acquired specialized equipment for narrow-vein mining. Initiating the preparations to resume production at the AltaGra
Slide 4: Safety Assessment
Safety Assessment Conduct a thorough assessment of Don David Gold’s Safety Prevention System and Safety Culture, emphasizing critical risk analysis, organizational management, safety department performance, and both executive and operational leadership. Identity Gaps Structural, Behavioral and techn
Slide 5: Mine Production Mine Development
BDG BDG Mine Production Mine Development
Slide 6: Plant Production Gold Ounces Production
BDG BDG Plant Production Gold Ounces Production
Slide 7: Q3 2025 Operational Results
Q3 2025 Operational Results Tonnes Processed Q3 2025 YTD 2025 Total tonnes 65,131 185,516 Tonnes per day (based on actual days the mill operated during the period) 1,124 1,144 Metal Sold Q3 2025 YTD 2025 Gold ounces 1,422 3,159 Silver ounces 417,710 798,395 Gold equivalent ounces 6,298 12,150 Copper
Slide 8: Financial Measures For the Nine Months Ended September 30, 2025
For the Nine Months Ended Financial Measures September 30, 2025 Cash balance (at September 30, 2025) $ 9.8 M For the Three Months Ended For the Nine Months Ended September 30, 2025 September 30, 2025 Net loss $(4.7) M $(24.5) M Net sales 24.9 M 48.5 M Production cost 15.6 M 39.2 M Depreciation, Amor
Slide 9: DDGM Cash Costs
DDGM Cash Costs Note: Cash costs after co-product credits per gold equivalent ounce is a non-GAAP financial measures. Please see the Reconciliation of Non-GAAP Financial Measures on the 2024 Form 10-Q filed with the SEC (refer to www.sec.gov/edgar).
Slide 10: Investment Summary
Investment Summary Q3 2025 YTD 2025 Sustaining ($000s) ($000s) Underground Development $1,191 $2,621 Infill Drilling 251 670 Underground and Surface Exploration Development 457 602 Other Sustaining Capital 1,517 2,170 Subtotal of Sustaining Investments: 3,416 6,063 Growth Surface Exploration/Other 7
Slide 11: Why Gold Resource Corporation?
Why Gold Resource Corporation? • Focused on protecting balance sheet while creating value through highly disciplined growth & capital allocation • Commitment to health & safety, environment, and social stewardship • Strong leadership, technical, and operational team
Slide 12: Questions
Questions Aguila mill, Oaxaca Mining Unit, Mexico