Slide 1: Tanami Site Tour
CREATING VALUE & IMPROVING LIVES THROUGH SUSTAINABLE, RESPONSIBLE MINING Tanami Site Tour 13 NOVEMBER 2024
Slide 2: Cautionary Statement Regarding Forward-Looking Statements, Including Outlook
CAUTIONARY STATEMENT REGARDING FORWARD-LOOKING STATEMENTS, INCLUDING OUTLOOK This presentation contains “forward-looking statements” within the meaning of Section 27A of the Securities Act of 1933, as amended, and Section 21E of the Securities Exchange Act of 1934, as amended, which are intended to
Slide 3: Tanami Overview
TANAMI OVERVIEW TIER 1 ASSET WITH SIGNIFICANT GROWTH POTENTIAL ▪ 855 employees1 and 1,420 contractors2; primarily fly-in fly-out operations ▪ Over 40-year history of production with first gold produced in 1983; Newmont acquired Tanami from Normandy in 2002 ▪ One underground mine at Dead Bullock Soak
Slide 4: Tanami Underground: One of Australia's Largest Open Stope Mines
Processing overview MINING TANAMI UNDERGROUND ONE OF AUSTRALIA’S LARGEST OPEN STOPE MINES ▪ Four mining areas at Dead Bullock Soak (DBS): Auron, Callie, Federation, Liberator ▪ Operation teams focus on mine development, mine services, paste fill, drill and blast and haulage ▪ Head grade ranging betw
Slide 5: Underground Ventilation Management
Processing overview MINING TANAMI UNDERGROUND UNDERGROUND VENTILATION MANAGEMENT ▪ Development depth of 1.7 kilometers and further expansion of 245 meters ▪ Significant heat is added to the system due to extreme surface temperatures in summer, ambient rock temperatures of 60 degrees Celsius, thermal
Slide 6: Ground Support and Geotechnical
Processing overview MINING TANAMI UNDERGROUND GROUND SUPPORT AND GEOTECHNICAL ▪ Dead Bullock Soak (DBS) has a well-established mining method, appropriate for the depth of the mine; this will be modified as the mine progresses deeper ▪ DBS has relatively good ground conditions and uses several types
Slide 7: Processing Overview: Expansion Projects
Processing P R O C E S S I Noverview G OVERVIEW EXPANSION PROJECTS: SIGNIFCANT INCREASE IN MILL CAPACITY ▪ Ore transported via road train 44 kilometers to processing plant at the Granites ▪ First mill expansion in 2017 increased mill capacity to 2.6 million tonnes per year ▪ Second expansion project
Slide 8: Future Direction of Tanami: Exploration
FUTURE DIRECTION OF TANAMI Processing EXPLORATION overview DELIVERING VALUE THROUGH SUSTAINED EXPLORATION SUCCESS ▪ Reserve & resource growth of nearly 150 percent since 2012 ▪ Growth case includes inventory and exploration upside extending life to 2047 ▪ Reinvigorating near-mine exploration at Dead
Slide 9: Full Potential at Tanami
FULL POTENTIAL AT TANAMI Diagnose Design Deliver Refresh TRANSFORMATIONAL SUCCESS INTO A TIER 1 ASSET ▪ Delivered over $400 million in Full Potential improvements at Tanami since 2015 (over $290 million delivered in the last 5 years alone) ▪ Improved site performance driven by Full Potential led to
Slide 10: Technology & Innovation: Minestar Implementation
TECHNOLOGY & INNOVATION: MINESTAR IMPLEMENTATION ENHANCED FLEET TRACKING, DATA CAPTURE, AND ACCURACY ▪ Launched in Q2 2024, Minestar Fleet Management System replaced the previous manual dispatch system with real-time fleet tracking and data capture ▪ Underground Wi-Fi network now tracks machine move
Slide 11: Environmental and Social Overview
ENVIRONMENTAL AND SOCIAL OVERVIEW MANAGING EXTREME WEATHER IMPACTS ON OPERATIONS ▪ Flooding in the Northern Territory is common during the wet season from November to April, impacting critical consumables delivery to site ▪ Newmont is working closely with the Northern Territory government on upgrade
Slide 12: Tanami Expansion Overview
TANAMI EXPANSION 2 OVERVIEW SECURES FUTURE AS A LONG-LIFE, LOW-COST TIER 1 PRODUCER Transforms Tanami into Additional 150 to 200 Reduction of operating a state-of-the-art crush thousand gold ounces costs by ~30 percent and hoist operation per year 1,460 METER DEEP SHAFT 86 METER HIGH HEADFRAME Deepe
Slide 13: Tanami Expansion 2 Progress: Shaft Construction
TANAMI EXPANSION 2 PROGRESS SHAFT CONSTRUCTION REMAINS CRITICAL PATH ▪ Lining of the upper shaft leg and 2018 mid shaft are complete; lining is Initial shaft pilot hole commenced underway in the lower shaft leg Transition to blind sink 2019 Blind sink to 212 meters ▪ Project remains on track for com
Slide 14: Tanami Expansion 2 Progress: Lining Challenges
TANAMI EXPANSION 2 PROGRESS SUCCESSFULLY ADDRESSED FOUR MAIN CHALLENGES TO IMPROVE LINING PERFORMANCE 1. OVERBREAK REMEDIATION Project remains on track for ▪ Overbreak requires substantially more commercial production in the ground support and concrete (ongoing) second half of 2027 ▪ Lower shaft bot
Slide 15: Surface Works – Crusher Chamber Mid Shaft Station
SURFACE WORKS – CRUSHER CHAMBER MID SHAFT STATION WINDER BUILDING START LAST 16 MONTHS CURRENT SIGNIFICANT ADVANCEMENT OVER THE
Slide 16: Overview of Key Shaft Features
OVERVIEW OF KEY SHAFT FEATURES SHAFT OVERVIEW Upper leg Lower leg MID SHAFT LOWER SHAFT
Slide 17: Surface Facilities Overview
SURFACE FACILITIES OVERVIEW COMPLETED FACILITIES IN PROGRESS & PLANNED FACILITIES ❑ Power plant expansion ▪ Process plant upgrade: increase current capacity to meet the ❑ Refrigeration plant increased 3.3Mpta throughput by increasing flow through the ❑ Bulk air cooler secondary ball mill (in design)
Slide 18: Surface Facilities Overview
SURFACE FACILITIES OVERVIEW POWER PLANT UPGRADE HEADFRAME, WINDERS AND ROPE UP FOR SHAFT LINING & EQUIPPING DBS CAMP STAGE 1 AND 2 ADMINISTRATION OFFICES BATCH PLANT WATER TREATMENT PLANT REFRIGERATION PLANT & BULK AIR COOLER
Slide 19: TE2 Winder & Skips Overview
TE2 WINDER & SKIPS OVERVIEW PRODUCTION WINDER ▪ ABB Koepe Friction winder ▪ Full automated; Full speed 16m/s ▪ One of the few ‘Safety Integrity Level’ rated winders in the world ▪ Regenerative with BESS PERSONNEL WINDER ▪ ABB Single Drum winder ▪ 623kW DC Motor with gearbox TE2 WINDER BUILDING and 3
Slide 20: Materials Handling System Flow Sheet
MATERIALS HANDLING SYSTEM FLOW SHEET Fixed Rock Breaker Coarse Ore Bin Primary 1 Crusher Fine Ore 2 Silo CV102B 5 Transfer Silo 6 CV101 7 (Slewing Conveyor) 3 CV103 4 CV102A
Slide 21: Materials Handling System Flow Sheet
MATERIALS HANDLING SYSTEM FLOW SHEET PRIMARY CRUSHER FINE ORE SILO 2 1 3 TRANSFER CONVEYOR 5 4 TRANSFER SILO AND SLEWING CONVEYOR 6 7