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Turquoise Ridge Complex Technical Report NI 43-101 – March 25, 2020 Page I PREPARED FOR BARRICK GOLD CORPORATION AND NEWMONT CORPORATION BY NEVADA GOLD MINES LLC TECHNICAL REPORT ON THE TURQUOISE RIDGE COMPLEX, STATE OF NEVADA, USA NI 43-101 Report Qualified Persons: Charles Lynn Bolin, MBA, SME (RM) Craig Fiddes, SME (RM) Jay Olcott, SME (RM) StevenW. Yopps, MMSA QP March 25, 2020 Effective Date: December 31, 2019 1655 Mountain City Hwy. - Elko, Nevada 89801 FORWARD-LOOKING INFORMATION This Technical Report contains forward-looking statements. All statements, other than statements of historical fact, are forward-looking statements. The words "believe", "expect", "anticipate", "contemplate", "target", "plan", "intend", "project", "continue", "budget", "estimate", "potential", "may", "will", "can", "could" and similar expressions identify forward-looking statements. In particular, this Technical Report contains forward-looking statements with respect to cash flow forecasts, projected capital, operating and exploration expenditure, targeted cost reductions, mine life and production rates, potential mineralization and metal or mineral recoveries, and information pertaining to potential improvements to financial and operating performance and mine life at the Turquoise Ridge and Turquoise Ridge Surface mines that may result from the shaft-sinking project. All forward-looking statements in this Technical Report are necessarily based on opinions and estimates made as of the date such statements are made and are subject to important risk factors and uncertainties, many of which cannot be controlled or predicted. Material assumptions regarding forward-looking statements are discussed in this Technical Report, where applicable. In addition to such assumptions, the forward-looking statements are inherently subject to significant business, economic and competitive uncertainties, and contingencies. Known and unknown factors could cause actual results to differ materially from those projected in the forward-looking statements. Such factors include, but are not limited to: fluctuations in the spot and forward price of commodities (including gold, diesel fuel, natural gas and electricity); the speculative nature of mineral exploration and development; changes in mineral production performance, exploitation and exploration successes; diminishing quantities or grades of reserves; increased costs, delays, suspensions, and technical challenges associated with the construction of capital projects; operating or technical difficulties in connection with mining or development activities, including disruptions in the maintenance or provision of required infrastructure and information technology systems; damage to Nevada Gold Mines LLC’s, Barrick Gold Corporation’s, or Newmont Corporation’s reputation due to the actual or perceived occurrence of any number of events, including negative publicity with respect to the handling of environmental matters or dealings with community groups, whether true or not; risk of loss due to acts of war, terrorism, sabotage, civil disturbances and pandemics; uncertainty whether the Turquoise Ridge Underground, Turquoise Ridge Surface and Vista Underground mines will meet Nevada Gold Mines LLC’s capital allocation objectives; the impact of global liquidity and credit availability on the timing of cash flows and the values of assets and liabilities based on projected future cash flows; the impact of inflation; fluctuations in the currency markets; changes in interest rates; changes in national and local government legislation, taxation, controls or regulations and/or changes in the administration of laws, policies and practices, expropriation or nationalization of property and political or economic developments in USA; failure to comply with environmental and health and safety laws and regulations; timing of receipt of, or failure to comply with, necessary permits and approvals; litigation; contests over title to properties or over access to water, power and other required infrastructure; increased costs and physical risks including extreme weather events and resource shortages, related to climate change; and availability and increased costs associated with mining inputs and labour. In addition, there are risks and hazards associated with the business of mineral exploration, development, and mining, including environmental hazards, industrial accidents, unusual or unexpected formations, ground conditions, pressures, cave-ins, flooding and gold ore losses (and the risk of inadequate insurance, or inability to obtain insurance, to cover these risks). Nevada Gold Mines LLC – Turquoise Ridge Complex Technical Report NI 43-101 – March 25, 2020 Page i Many of these uncertainties and contingencies can affect Nevada Gold Mines LLC’s actual results and could cause actual results to differ materially from those expressed or implied in any forward- looking statements made by, or on behalf of, Nevada Gold Mines LLC. All of the forward-looking statements made in this Technical Report are qualified by these cautionary statements. None of Nevada Gold Mines LLC, Barrick Gold Corporation, Newmont Corporation, and the Qualified Persons who authored this Technical Report undertake no obligation to update publicly or otherwise revise any forward‐looking statements whether as a result of new information or future events or otherwise, except as may be required by law. Nevada Gold Mines LLC – Turquoise Ridge Complex Technical Report NI 43-101 – March 25, 2020 Page ii TABLE OF CONTENTS PAGE 1. SUMMARY ............................................................................................................. 1-1 1.1. Executive Summary .......................................................................................... 1-1 1.2. Economic Analysis ............................................................................................ 1-6 1.3. Technical Summary ........................................................................................... 1-6 1.4. Conclusions and Recommendations ............................................................... 1-22 2. INTRODUCTION .................................................................................................... 2-1 2.1. Sources of Information ...................................................................................... 2-2 2.2. List of Abbreviations .......................................................................................... 2-3 3. RELIANCE ON OTHER EXPERTS ......................................................................... 3-1 4. PROPERTY DESCRIPTION AND LOCATION ........................................................ 4-1 4.1. Land Tenure ...................................................................................................... 4-1 4.2. Royalties ........................................................................................................... 4-2 4.3. Economy, Taxation, Permits, and Environmental .............................................. 4-3 5. ACCESSIBILITY, CLIMATE, LOCAL RESOURCES, INFRASTRUCTURE AND PHYSIOGRAPHY ............................................................................................................... 5-1 5.1. Accessibility ....................................................................................................... 5-1 5.2. Climate .............................................................................................................. 5-1 5.3. Local Resources and Infrastructure ................................................................... 5-1 5.4. Physiography .................................................................................................... 5-2 6. HISTORY ................................................................................................................ 6-1 6.1. Turquoise Ridge Underground .......................................................................... 6-1 6.2. Turquoise Ridge Surface and Vista Underground.............................................. 6-4 6.3. Production History ............................................................................................. 6-6 7. GEOLOGICAL SETTING AND MINERALIZATION ................................................. 7-1 7.1. Regional Geology .............................................................................................. 7-1 7.2. Local and Property Geology .............................................................................. 7-4 7.3. Alteration ......................................................................................................... 7-15 7.4. Structure ......................................................................................................... 7-16 7.5. Mineralization .................................................................................................. 7-21 8. DEPOSIT TYPES.................................................................................................... 8-1 9. EXPLORATION ...................................................................................................... 9-1 9.1. Turquoise Ridge Underground .......................................................................... 9-1 9.2. Turquoise Ridge Surface and Vista Underground.............................................. 9-3 10. DRILLING ............................................................................................................. 10-1 10.1. Turquoise Ridge Underground ........................................................................ 10-1 10.2. Turquoise Ridge Surface and Vista Underground...........................................
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