Announcement • Jun 03
Hycroft Mining Holding Corporation Announces Results From S-K 1300 Technical Report Summary And Initial Assessment For Hycroft Mine
Hycroft Mining Holding Corporation announced the results from its S-K 1300 Technical Report Summary and Initial Assessment, which outlines the economics and mine plan for a milling operation utilizing conventional pressure oxidation and heap leach processing at the Hycroft Mine in Nevada, USA. Drill results from the 2025-2026 exploration program are not included in the mine plan and represents further upside. The mine has a 51 year mine life. The Technical Study was prepared by Ausenco Engineering USA South Inc., Independent Mining Consultants Inc., and WestLand Engineering & Environmental Services Inc. in accordance with S-K 1300 and encompasses a mine life of 51 years, processing approximately 57,100 tons per day of sulfide and transition mineralized material. Gold Price is USD 3,600 per ounce. Silver Price is USD 48 per ounce. Discount Rate is 5%. Life of Mine is 51 years. Total Mill Feed Processed is 1,046,284 kst. Average Mill Feed Grade (Au) is 0.012 oz/st. Average Mill Feed Grade (Ag) is 0.43 oz/st. Total Leach Material Processed is 210,010 kst. Average Heap Leach Feed Grade (Au) is 0.005 oz/st. Average Heap Leach Feed Grade (Ag) is 0.12 oz/st. Average Mill Process Gold Recovery is 82.8%. Average Mill Process Silver Recovery is 77.5%. Average Heap Leach Gold Recovery is 40.0%. Average Heap Leach Silver Recovery is 12.0%. Life of Mine Payable Gold Production is 10,424 koz. Life of Mine Payable Silver Production is 347,462 koz. Life of Mine Payable Gold Equivalent Production is 15,057 koz. Gold Payable is 99.5%. Silver Payable is 99.5%. NSR Royalty (1.5% plus gross up) is 2.14%. Refining Costs - Au is USD 5.00 per ounce. Refining Costs - Ag is USD 0.50 per ounce. Mining Cost is USD 2.28 per st mined. Mining Cost is USD 6.91 per st processed. Mill Processing Cost is USD 16.65 per st processed. Heap Leach Processing Cost is USD 2.49 per st processed. G&A Cost is USD 0.53 per st processed. Total Operating Cost is USD 21.96 per st processed. Cash Costs are USD 1,924 per ounce AuEq. All-In Sustaining Cost is USD 2,147 per ounce AuEq. Initial Capital is USD 2,434 million. Sustaining Capital is USD 3,107 million. Closure Costs are USD 243 million. Pre-Tax NPV (5%) is USD 5,437 million. Pre-Tax IRR is 18.9%. Pre-Tax Payback is 4.3 years. Post-Tax NPV (5%) is USD 4,344 million. Post-Tax IRR is 16.9%. Post-Tax Payback is 4.7 years. The total operating costs are estimated at USD 21.96 per ton or USD 27,600 million over the 51-year mine life. Mining is USD 8,683 million, Process is USD 18,245 million, G&A is USD 664 million, and Total is USD 27,592 million. The TRS is based on the 2026 Measured and Indicated Mineral Resources Estimate. The mine plan is based only on measured and indicated mineralization that was estimated in the mineral resource block model. Inferred mineralization was not included within the TRS. Hycroft Mineral Resource Estimate as of 21 January 2026, US customary Units: Measured and Indicated combined for Heap Leach Resource is 203,368 ktons, 0.005 oz/ton gold, 0.10 oz/ton silver, 1.67% sulfur, 921,000 ounces gold, 19,814,000 ounces silver. Measured and Indicated combined for Flotation Mill + Concentrate Treatment by Pressure Oxidation and Cyanide Leach is 1,483,447 ktons, 0.010 oz/ton gold, 0.37 oz/ton silver, 1.93% sulfur, 15,493,000 ounces gold, 542,761,000 ounces silver. Combined Mineral Resources Leach Plus Mill Measured and Indicated is 1,686,815 ktons, 0.010 oz/ton gold, 0.33 oz/ton silver, 1.90% sulfur, 16,414,000 ounces gold, 562,575,000 ounces silver.
