Briefing
This document is a Technical Report Summary (TRS) and Initial Assessment for the Hycroft Mine in Nevada, prepared for Hycroft Mining Holding Corporation. It provides an updated Mineral Resource Estimate (MRE) as of January 21, 2026, based on recent drilling and technical studies. The report covers property ownership, geology, exploration, mineral resources, metallurgical testing, permitting, infrastructure, and economic analysis. The TRS is prepared in compliance with SEC Regulation S-K 1300 requirements. Key points: The report is a Technical Report Summary (TRS) and Initial Assessment for the Hycroft Mine, Nevada, effective January 21, 2026; Prepared by Ausenco Engineering South USA, Independent Mining Consultants Inc., and WestLand Engineering & Environmental Services, Inc. for Hycroft Mining Holding Corporation; The TRS provides an updated Mineral Resource Estimate (MRE) based on drilling results through March 17, 2025; The MRE is based on a milling and pressure oxidation (POX) process for sulfide and some transition mineralization, and a heap leaching process for oxide and some transition mineralization; The report includes sections on property ownership, mineral tenure, geology, exploration, sampling, metallurgical testwork, mineral resource estimates, permitting, infrastructure, and economic analysis; The Hycroft Mine is a past producer with existing infrastructure, including crushing systems, leach pads, process plants, and a refinery; The TRS is prepared in accordance with the SEC’s Modernization of Property Disclosures for Mining Registrants (Regulation S-K 1300). This brief is based on the cited source artifact and is intended as a research entry point, not a replacement for the original source or EGM canonical data tables.
Source Notes
This technical report summary (“TRS”), entitled “Initial Assessment and Technical Report Summary on the Hycroft Mine Project, Nevada, US is current as...
Date and Signature Page · source
This TRS provides an update to the Mineral Resource Estimate (“MRE”) in Hycroft’s Initial Assessment (“IA”), filed on Electronic Data Gathering, Analysis,...
1 Executive Summary, 1.1 Introduction · source
The Hycroft mine (“the Mine”) is situated on the western flank of the Kamma Mountains on the eastern edge of the Black...
1 Executive Summary, 1.1 Introduction · source
Hycroft, a past producer, has existing facilities on site including two administration buildings, a mobile maintenance shop, a light vehicle maintenance shop,...
1 Executive Summary, 1.1 Introduction · source
Extracted Document Text
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# ex96 1 Source: https://www.sec.gov/Archives/edgar/data/1718405/000149315226007255/ex96-1.htm Published: 2026-01-21T00:00:00+00:00 Fetched: 2026-05-05T09:34:59.046+00:00 Source artifact: f590d157-b4a2-4629-b839-54ad9f825fb5 Normalizer input: text ## Content # ex96 1 EX-99 5 ex96-1.htm EX-96.1 Exhibit 96.1 HYCROFT MINE Hycroft Technical Report Summary and Initial Assessment Nevada, USA Effective Date: January 21, 2026 Prepared for Hycroft Mining Holding Corporation PO Box 3030 Winnemucca, NV 89446 Prepared by Ausenco Engineering South USA Contributing Authors: Ausenco Engineering South USA Inc. Hycroft Mining Holding Corporation Independent Mining Consultants Inc. WestLand Engineering & Environmental Services, Inc. Date and Signature Page This technical report summary (“TRS”), entitled “Initial Assessment and Technical Report Summary on the Hycroft Mine Project, Nevada, US is current as of January 21, 2026, and has been prepared by: Qualified Person or Consulting Firm Responsible for the following sections Signature Date Ausenco Engineering South USA, Inc. 1.1, 1.2, 1.3, 1.8, 2.1-2.4.1, 2.5-2.7, 3.1-3.7, 3.10-3.12, 4, 10, 12-19, 21, 22.1 22.2, 22.5, 22.7.1.3, 22.7.2.2, 23.3. 23.5 and portions of sections 1.10, 1.11, 24, and 25 “signed” January 21, 2026 Hycroft Mining Holding Corporation 1.4, 3.9 and 5 “signed” January 21, 2026 Independent Mining Consultants, Inc. 1.5, 1.6, 1.7, 1.9, 2.4.2, 6, 7, 8, 9, 11, 20, 22.3, 22.4, 22.6, 22.7.1.1, 22.7.1.2, 22.7.1.4, 22.7.2.1, 22.7.2.3 23.1, 23.2, 23.4 and portions of sections 1.10, 1.11, 24, and 25 “signed” January 21, 2026 WestLand Engineering & Environmental Services, Inc. 3.8 “signed” January 21, 2026 Table of Contents 1 Executive Summary 1 1.1 Introduction 1 1.2 Terms of Reference 1 1.3 Mineral Tenure, Surface Rights, Water Rights, and Agreements 2 1.4 History 2 1.5 Geology and Mineralization 3 1.6 Exploration 4 1.6.1 Exploration Targets 4 1.7 Sampling 4 1.8 Metallurgical Testwork 4 1.9 Mineral Resource Estimate 5 1.10 Conclusions 9 1.11 Recommendations 9 2 Introduction 10 2.1 Introduction 10 2.2 Terms of Reference 10 2.3 Qualified Persons 11 2.4 Site Visits and Scope of Personal Inspection 11 2.4.1 Site inspection for Jonathan Cooper 11 2.4.2 Site inspection for John Marek 11 2.5 Effective Dates 11 2.6 Information Sources and References 11 2.6.1 General 11 2.6.2 Previous technical reports 11 2.7 Currency, Units, Abbreviations and Definitions 12 3 Property Description 16 3.1 Introduction 16 3.2 Property and Title in Jurisdiction 16 3.3 Project Ownership 17 3.4 Property Agreements 19 3.5 Surface Rights 22 3.6 Water Rights 22 3.7 Liabilities and Encumbrances 22 3.8 Environmental Considerations 22 3.9 Safety Considerations 23 HYCROFT MINE | Hycroft Technical Report Summary and Initial Assessment Page | i 3.10 Permitting Considerations 23 3.10.1 Hycroft Expansion Permitting and Timelines 25 3.10.2 Crofoot Heap Leach Facility Closure 27 3.11 Social License Considerations 27 3.12 Project risks and uncertainties 27 4 Accessibility, Climate, Local Resources, Infrastructure and Physiography 28 4.1 Physiography 28 4.2 Accessibility 28 4.3 Climate 28 4.4 Local Resources and Infrastructure 28 4.5 Seismicity 31 5 History 32 5.1 Regional History 32 5.2 Property Exploration History 32 5.3 Production 33 6 Geological Setting, Mineralization, and Deposit 35 6.1 Geological Setting 35 6.1.1 Regional Geology 35 6.1.2 Local Geology 35 6.2 Mineralization and Alteration 38 6.2.1 Brimstone 38 6.2.2 Vortex 39 6.2.3 Bay 40 6.2.4 Central 41 6.2.5 Camel 42 6.3 Deposit Types 42 7 Exploration 44 7.1 Exploration 44 7.2 Geophysics 44 7.3 Soil Sampling 44 7.4 Rock-chip Sampling 45 7.5 Drilling 45 7.5.1 Introduction 45 7.5.2 Exploration Drilling 45 7.6 Hydrogeology 50 7.7 Geotechnical 50 7.8 Exploration Targets 51 HYCROFT MINE | Hycroft Technical Report Summary and Initial Assessment Page | ii 8 Sample Preparation, Analyses, and Security 57 8.1 Introduction 57 8.2 Sample Preparation 57 8.3 Assay Methods 57 8.3.1 Sample Security 60 8.4 Sample Storage 61 8.5 Analytical Results 61 8.6 QP Comment 61 9 Data Verification 62 9.1 Verification Procedure 62 9.2 Certificate of Assay Checks 62 9.3 QA/QC 2005 - 2024 62 9.3.1 Standards 2005-2013 63 9.3.2 Blanks 2008 - 2014 66 9.3.3 Check Assays 2011-2012 66 9.3.4 Standards 2021 - 2022 68 9.3.5 Blank Analysis Results 2021-2022 69 9.3.6 Duplicate Assays, 2021-2022 70 9.3.7 Standards 2023 - 2024 71 9.3.8 Blanks 2023-2024 72 9.3.9 Duplicate Assays 2023-2024 73 9.3.10 Check Assays 2023-2024 76 9.3.11 DDH vs RC for Post 2000 Samples 77 9.3.12 Old vs. New Drilling 78 9.3.13 Downhole Surveys 80 9.4 QP Comment 80 10 Mineral Processing and Metallurgical Testing 81 10.1 Introduction 81 10.2 Metallurgical Testwork 81 10.2.1 Summary of Metallurgical Testwork Programs 81 10.2.2 Mineralized Materials and Sampling 82 10.2.3 Hycroft Mineralization Domains 82 10.3 Legacy Testwork 83 10.3.1 Comminution Tests 83 10.3.2 Flotation 84 10.3.3 Direct Cyanidation 94 10.3.4 Concentrate Oxidation Tests 94 10.3.5 Solid-Liquid Separation Tests 100 10.3.6 Deleterious Elements 101 10.3.7 Metallurgical Parameters for Process Design Criteria and Financial Analysis 101 HYCROFT MINE | Hycroft Technical Report Summary and Initial Assessment Page | iii 11 Mineral Resource Estimates 102 11.1 Summary 102 11.2 Model Location 102 11.3 Database 102 11.4 Basic Statistics 103 11.5 Geology 104 11.6 Lithology 104 11.7 Alteration 106 11.8 Structure 107 11.9 Domains 108 11.10 Assay Caps 111 11.11 Bench Height Confirmation 112 11.12 Composites 113 11.13 Variography 119 11.14 Block Grade Estimation 120 11.14.1 Gold 120 11.14.2 Silver 121 11.14.3 Cyanide Ratio 124 11.14.4 Sulfide Sulfur 125 11.14.5 Density 126 11.14.6 Stockpile Grade Estimation 126 11.14.7 Treatment of 1982 - 1987 Data 127 11.15 Classification 128 11.16 Model Verification 129 11.16.1 Swath Plots 131 11.16.2 Smear Check 135 11.17 Mineral Resource Estimate 136 12 Mineral Reserve Estimates 144 13 Mining Methods 145 14 Recovery Methods 146 15 Infrastructure 147 16 Market Studies and Contracts 148 17 Environmental Studies, Permitting, and Plan, Negotiations, or Agreements with Local Individuals or Groups 149 18 Capital and Operating Costs 150 19 Economic Analysis 151 20 Adjacent Properties 152 21 Other Relevant Data and Information 154 HYCROFT MINE | Hycroft Technical Report Summary and Initial Assessment Page | iv 22 Interpretation and Conclusions 155 22.1 Introduction 155 22.2 Mineral Tenure, Surface Rights, Water Rights, Royalties, and Agreements 155 22.3 Geology and Mineralization 155 22.4 Exploration 155 22.5 Metallurgical Testwork 155 22.6 Mineral Resource Estimates 156 22.7 Risks and Opportunities 158 22.7.1 Risks 158 22.7.2 Opportunities 159 23 Recommendations 160 23.1 Exploration 160 23.2 Sample Preparation, Analysis and Security 160 23.3 Metallurgical Testing 160 23.4 Mineral Resource Estimate 161 23.5 Estimated Program Costs 161 24 References 162 25 Reliance on Other Experts 165 Appendix A Hycroft Patented Claims A Appendix B Hycroft Unpatented Claims B HYCROFT MINE | Hycroft Technical Report Summary and Initial Assessment Page | v List of Tables Table 1-1: Hycroft Mineral Resources as of 21 January 2026, Imperial Units 6 Table 1-2: Hycroft Mineral Resources as of 21 January 2026, Metric Units 7 Table 1-3: High-grade Silver Bearing Domains, Contained within the Mineral Resource at 2 oz/ton Cutoff Grade, Imperial Units 8 Table 1-4: High-grade Silver Bearing Domains, Contained within the Mineral Resource at 68.57 g/t (2 oz/ton) Cutoff Grade, Metric Units 8 Table 2-1: Abbreviations and Acronyms 12 Table 2-2: Units of Measurement 14 Table 3-1: Hycroft Annual Land Holding Costs 19 Table 3-2: Hycroft Operating Permits 23 Table 3-3: Hycroft Miscellaneous Permits 24 Table 3-4: Hycroft Miscellaneous Permits 25 Table 3-5: Right-of-Way Payment and Renewal Schedule 25 Table 4-1: Hycroft Water Wells and Permitted Yearly Consumption 31 Table 7-1: Drilling from 2023 and 2024 Supporting an Updated Mineral Resource Estimation 48 Table 7-2: Significant Intercepts (2023) 51 Table 7-3: Significant Intercepts (2024) 53 Table 9-1: Nearest Neighbor Sample Comparison of RC vs Diamond Core Gold and Silver Assays 78 Table 9-2: Nearest Neighbor Sample Comparison of 1982-1987 Gold Assays versus 2005 - 2024 Gold Assays 79 Table 10-1: Metallurgical Testwork Summary Table 81 Table 10-2: Average Sulfur Contents of Oxide, Transition and Sulfide Mineralized Materials 82 Table 10-3: Summary of Test Samples 83 Table 10-4: Grindability Test Summary 83 Table 10-5: G&T Composites 1 through 24 Flotation Test Results 85 Table 10-6: G&T Composites M-1 through M-17 Flotation Test Results 86 Table 10-7: Flotation Reagent Schemes Studied 87 Table 10-8: Estimated Metallurgical Recoveries from 2016 Feasibility Study - Gold and Silver 94 Table 10-9: Hycroft Alkaline POX Testwork Summary 97 Table 10-10: Hycroft Acid POX Testwork Summary 98 Table 10-11: Summary Comparison Table - POX 3 to POX-7 100 Table 10-12: Settling Test Results 101 Table 10-13: Deleterious Element Assay 101 Table 10-14: Process Plant Overall Recovery Prediction 101 Table 11-1: Block Size and Model Size 102 HYCROFT MINE | Hycroft Technical Report Summary and Initial Assessment Page | vi Table 11-2: Data Available for the Assembly of the Resource Model for Au, Ag, AuCn, Sulfide Sulfur 103 Table 11-3: Assay Database (No Stockpile Assays, Inside the Model, and No Drilling from 1982 through 1987) 104 Table 11-4: Population Domains for Grade Estimation 108 Table 11-5: High-grade Silver Vein Domains 109 Table 11-6: Sulfide Domains 109 Table 11-7: Assay Cap Values 111 Table 11-8: Sulfide Cap Values Prior to Compositing 112 Table 11-9: Basic Statistics of Composites, In-Situ Rock, Eliminating Years 1982 to 1987 114 Table 11-10: Basic Statistics of 25 ft Sulfide Composites by Sulfide Domain 118 Table 11-11: Grade Estimation Parameters for Au, Ag 121 Table 11-12: Estimation Parameters for Cyanide Ratio, All Three Domains utilized 1/D 3 125 Table 11-13: Sulfide Sulfur Estimation Parameters, All Three Domains Utilized 1/D 3 125 Table 11-14: Sulfide Sulfur Default Values if Not Estimated 126 Table 11-15: Density Assigned to the Block Model 126 Table 11-16: Stockpiles Assigned Grades by Inverse Distance Estimation 127 Table 11-17: IMC Smear Check 135 Table 11-18: Economic and Technical Parameters for Hycroft Mineral Resource 138 Table 11-19: Hycroft Mineral Resources as of 21 January 2026, Imperial Units 139 Table 11-20: Hycroft Mineral Resources as of 21 January 2026, Metric Units 140 Table 11-21: High-grade Silver Bearing Domains, Contained within the Mineral Resource at 2 oz/ton Cutoff Grade, Imperial Units 141 Table 11-22: High-grade Silver Bearing Domains, Contained within the Mineral Resource at 3 oz/ton Cutoff Grade, Imperial Units 141 Table 11-23: High-grade Silver Bearing Domains, Contained within the Mineral Resource at 4 oz/ton Cutoff Grade, Imperial Units 142 Table 11-24: High-grade Silver Bearing Domains, Contained within the Mineral Resource at 68.57 g/t (2 oz/ton) Cutoff Grade, Metric Units 142 Table 11-25: High-grade Silver Bearing Domains, Contained within the Mineral Resource at 102.86 g/t (3 oz/ton) Cutoff Grade, Metric Units 143 Table 11-26: High-grade Silver Bearing Domains, Contained within the Mineral Resource at 137.14 g/t (4 oz/ton) Cutoff Grade, Metric Units 143 Table 22-1: Hycroft Mineral Resources as of 21 January 2026, Imperial Units 157 Table 22-2: High-grade Silver Bearing Domains, Contained within the Mineral Resource at 2 oz/ton Cutoff Grade, Imperial Units 158 Table 23-1: Estimated Program Costs 161 Table 25-1: Information Provided by Hycroft 165 HYCROFT MINE | Hycroft Technical Report Summary and Initial Assessment Page | vii List of Figures Figure 3-1: Hycroft Mine Location Map 17 Figure 3-2: Claim Map 20 Figure 3-3: Current Property and Facilities Layout (2025) 21 Figure 4-1: Onsite Lab, Ad [Excerpt trimmed for readability. 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