Slide 1: Mt Henry Gold Project – Noosa Mining Conference
ASX |SGC For personal use only MT HENRY GOLD PROJECT NORSEMAN, WESTERN AUSTRALIA NOOSA MINING CONFERENCE 22 - 24 JULY 2026
Slide 2: Disclaimers & Cautionary Statements
Disclaimers & Cautionary Statements GENERAL DISCLAIMER This presentation is for information purposes only and does not constitute a prospectus, offering memorandum or disclosure document under Australian, U.S ., Canadian or any other law . It does not, and does not purport to, contain all the inform
Slide 3: The Evolution of Sinclair Gold
The Evolution of Sinclair Gold Why “Sinclair”? Laurie Sinclair was one of the pioneering prospectors associated with the For personal use only discovery of the Norseman Goldfields in the late 1800s. Norseman was later named after his horse, Hardy Norseman, which local legend credits with uncovering
Slide 4: The Rapid Transformation of Sinclair Gold
The Rapid Transformation of Sinclair Gold December 2025 February 2026 March 2026 April 2026 May 2026 > Present For personal use only TRANSACTION ANNOUNCED LEADERSHIP & COMPLETION MOBILISATION RAPID EXPANSION CONTINUED GROWTH ✓ Shareholder approval received ✓ Drilling commenced. ✓ Sinclair employees
Slide 5: A Large Gold System. Significant Growth Potential
A Large Gold System. Significant Growth Potential Scale Quality and Growth For personal use only • ~150km 2 landholding in a premier gold district • 915Koz Resource across three deposits • Highly prospective 16km mineralised corridor • ~90% JORC (2012) Measured & Indicated • Multiple mineralized sys
Slide 6: A District Scale Gold System
A District Scale Gold System Mt Henry: 2km Strike Selene: 1km Strike North Scotia: 400m Strike Regional: 16km potential For personal use only Ave. drill depth ~35m Ave. drill depth ~90m Ave. drill depth ~65m Ave. drill depth ~60m Shallow mining (max 90m) Never mined Never mined Limited Exploration H
Slide 7: Experienced Team. Proven Track Record.
Experienced Team. Proven Track Record. Leadership & Strategy F inance & Capital Markets Technical Expertise Strong Governance For personal use only Ray Shorrocks Jeff Sansom Graeme Pettit Ben Palich Diana Del Borello Maddison Cramer Non - Executive Chair Chief Executive Officer Chief Financial Offic
Slide 8: Corporate Summary
Corporate Summary GLOBAL BANKING & ANALYST COVERAGE For personal use only CAPITAL STRUCTURE Unaudited Cash Position (3 June 26) 1 $11.2m Proceeds from capital raise (10 June 26) 1 $30.0m Share Price 2 $1.37 Shares Outstanding 185.6m Market Capitalisation $254M Performance Rights / Options 63.8M / 1.
Slide 9: Project Overview
For personal use only Project Overview Mt Henry Gold Project ASX | SGC sinclairgold.com
Slide 10: Infrastructure Advantage in a Tier-1 Gold District
Infrastructure Advantage in a Tier - 1 Gold District Location & Access Existing Infrastructure Supportive Geology For personal use only • Located ~20kms south of Norseman • Nearby airport and logistics corridor • 150km 2 in a proven gold district • Sealed highway access to site • Brownfields site wi
Slide 11: Scratching the Surface of a Major Gold System
Scratching the Surface of a Major Gold System 16km Corridor Multiple deposits Significant untested areas Multiple growth options Extensive BIF hosted 915koz within Mt Henry, Large gaps and strike extensions Clear pathways for growth via For personal use only mineralized trend Selene & North Scotia.
Slide 12: Selene is a Gold System Open in Multiple Directions
Selene is a Gold System Open in Multiple Directions Meters Interpreted thickened mineralization corridors Selene Plan View 700 A’ For personal use only 600 OPEN 500 OPEN 400 Mt Henry 3.5km OPEN 300 OPEN A 200 Cross Section Area of historic drilling, hosting current Legend MRE (651 Koz Au) 100 Curren
Slide 13: Early Drilling Already Extending Gold Mineralisation
Early Drilling Already Extending Gold Mineralisation Meters Selene Plan View Cross Section 700 A’ For personal use only 600 Historically Current drilled area Selene MRE Area OPEN hosting MRE (651koz Au) 500 OPEN OPEN ~600m 400 current interpretation Mt Henry 3.5km of down - dip extent 300 ~125m inte
Slide 14: Southern Corridor the Focus of Next Drilling
Southern Corridor the Focus of Next Drilling Meters Selene Plan View 700 For personal use only 600 500 OPEN OPEN 400 Mt Henry 3.5km 300 Interpreted OPEN down - dip OPEN 200 Legend extension Current estimate of Resource footprint Assays pending Limits of BIF targeted in 100 Interpreted extension to c
Slide 15: Mt Henry Limited Historic Drilling, Deep Potential
Mt Henry Limited Historic Drilling, Deep Potential Meters Mt Henry Long Section (looking east) Original ground level Historic Cross Section Selene 3.5km 500 For personal use only 400 OPEN 300 OPEN OPEN 200 Legend Current estimated Historic drill hole Historically drilled area OPEN 100 MRE area N hos
Slide 16: Initial Drilling Extended Gold Mineralisation
Initial Drilling Extended Gold Mineralisation Meters Mt Henry Long Section (looking east) Original ground level Selene 3.5km Historic 500 Historic Cross Section 1 Cross Section 2 For personal use only 400 Historically drilled area hosting MRE (232 Koz Au) 300 OPEN 200 Legend OPEN Current estimated I
Slide 17: Step-out Drilling Continues to Extend Mineralisation
Step - out Drilling Continues to Extend Mineralisation Meters Mt Henry Long Section (looking east) Original ground level Cross Section 1 Cross Section 2 Selene 3.5km 500 Cross Section 3 For personal use only 400 Historically drilled area OPEN hosting MRE (232 Koz Au) 300 OPEN 200 Legend ~150m Curren
Slide 18: Drilling Will Continue to Test For Extensions
Drilling Will Continue to Test For Extensions Mt Henry Long Section (looking east) Original ground level Selene 3.5km Meters 500 For personal use only 400 Historically drilled area hosting MRE (232 Koz Au) 300 N 200 Legend Est . current extent of Resource Interpreted 100 Assays pending extension to
Slide 19: Regional Growth Driving Exploration Upside
Regional Growth Driving Exploration Upside N STRATEGIC EXPANSION For personal use only Now holding 150km 2 of tenure in a prolific gold region Additional Tenure UNDEREXPLORED GROUND (90km 2 ) Limited historical drilling with defined exploration targets from previous work programs DISTRICT SCALE OPTI
Slide 20: An Underexplored Asset Through Multiple Cycles
An Underexplored Asset Through Multiple Cycles 50,000 Drill metres / yr 8,000 Gold price (A$/oz) 50,000m 150,000m CY26 program 7,000 For personal use only 40,000 Drilled over ~30yrs 6,000 5,000 30,000 <150m 4,000 Drill metres / yr Gold Price (A$) Average historic hole depth 20,000 3,000 Regional Ups
Slide 21: Unlocking Value in Underexplored Assets
Unlocking Value in Underexplored Assets Company Starting Market Resource Growth Current Market Project Name For personal use only Capitalisation Since Acquisition Capitalisation Bellevue Mine $5M 3.1Moz ~$1.9B Western Australia Bullabulling $279M 3.9Moz ~$1.4B Western Australia Youanmi $11M 1.0Moz ~
Slide 22: A Large Gold System Poised for Substantial Growth
A Large Gold System Poised for Substantial Growth 01 Large, proven gold system For personal use only 915 Koz already defined across multiple deposits within a 16km mineralised trend 02 District potential remains largely untested Decades of shallow, deposit focused drilling with limited depth or regi
Slide 23: For personal use only
For personal use only REGISTERED OFFICE Level 2, 8 Richardson Street West Perth WA 6005 PHONE +61 (0) 8 6279 9425 info@sinclairgold.com EMAIL sinclairgold.com ASX | SGC sinclairgold.com ASX | SGC 23
Slide 24: Current Mineral Resource Estimate
Current Mineral Resource Estimate Mt Henry Project For personal use only Measured Indicated Inferred TOTAL Tonnes Grade Gold Tonnes Grade Gold Tonnes Grade Gold Tonnes Grade Gold (kt) (g/t Au) (koz Au) (kt) (g/t Au) (koz Au) (kt) (g/t Au) (koz Au) (kt) (g/t Au) (koz Au) 11,907 1.2 444 10,172 1.2 378
Slide 25: Case Studies
Case Studies Measured Resource Indicated Resources Inferred Resources Total Resources Project Resource Company (Project) Tonnes Grade Contained Tonnes Grade Au Contained Tonnes Grade Au Contained Tonnes Grade Au Contained Status date (Mt) Au (g/t) Au (koz) (Mt) (g/t) Au (koz) (Mt) (g/t) Au (koz) (Mt