Gold Hydrogen Ltd. · ASX:GHY
Gold Hydrogen — RRS Summer Series December 2025
34 slides from Gold Hydrogen's conference presentation, Dec 2, 2025
Slide 1: Committed to Developing Naturally Occurring Hydrogen and Helium in Australia
For personal use only Committed to Developing Naturally Occurring Hydrogen and Helium in Committed to Developing Naturally Australia Occurring Hydrogen and Helium in Australia Neil McDonald – Managing Director RRS Summer Series – December 2025 1 Gold Hydrogen Limited 1
Slide 2: Important Notice & Disclaimer
Important Notice & Disclaimer This presentation is not a prospectus, disclosure document or offering document under Australian law or under any other law. This presentation contains “forward looking statements” concerning the financial condition, results of operations and business It is for informat
Slide 3: Gold Hydrogen – Corporate Snapshot
Gold Hydrogen – Corporate Snapshot Board of Directors Shares on Issue – 180.5 million For personal use only Alexander Downer – Non-Executive Chair Katherine Barnet – Non-Executive Director Neil McDonald – Managing Director Roger Cressey – Executive Director Tenure 1 granted Petroleum Licence – PEL 6
Slide 4: Executive Summary – Natural Hydrogen and Helium
Executive Summary – Natural Hydrogen and Helium Title over certified Prospective Engagements to date with leading For personal use only Resources global experts and contractors 1.3 billion kg of natural Hydrogen1 CSIRO, Schlumberger, Total Seismic, 41 Bcf of Helium1 Xcalibur, Savanna Energy Services
Slide 5: Overview
Overview Gold Hydrogen drilled 2 exploration wells in 2023 and tested In mid 2024, an extensive 2D seismic program was For personal use only them in 2024 to confirm the historic 1931 Ramsay Oil Bore undertaken, confirming multiple further drill targets in more drill location and the historic high-pu
Slide 6: Industry Overview
For personal use only Industry Overview Gold Hydrogen Limited 6
Slide 7: Types of Hydrogen Production
Types of Hydrogen Production Naturally occurring Hydrogen offers significant cost and / or carbon advantages relative to other Hydrogen production (manufacturing) processes For personal use only Today, ~95% of all hydrogen produced is Gold Hydrogen is exploring for ‘gold’ or from natural gas ‘white’
Slide 8: Global Hydrogen Forecast
Global Hydrogen Forecast Substantial investment laying the foundation for Hydrogen use For personal use only Source: Frost & Sullivan Report - Page 29 of Gold Hydrogen Prospectus. Source: International Energy Agency, Oct-2021 (Other includes buildings, agriculture and refineries). Gold Hydrogen Limi
Slide 9: Key Drivers for Helium
Key Drivers for Helium The global wholesale helium market is expected to grow from an estimated For personal use only US$5bn in 2023 to over US$8bn in 20301 There are commercial global gas projects with significant Indicatively pricing is currently approximately USD400- lower helium concentrations (
Slide 10: Helium - Overview
Helium 3 - Overview For personal use only • Helium-3 detected by independent international laboratory testing of Ramsay Project helium samples. • The isotopic analysis results from samples tested suggest up to 3.47ppb Helium-3 within a 36.9% Helium sample. • Helium-3 is extremely rare and valuable,
Slide 11: Technical Results and Findings
For personal use only Technical Results and Findings Gold Hydrogen Limited 11
Slide 12: Hydrogen and Helium to date in PEL687
Hydrogen and Helium to date in PEL687 Extensive regional play across 7,400 km2 permit area For personal use only Extracted from fluid inclusions in rock chips from historical wells Extracted from fluid inclusions rock chips from historical wells Hydrogen from historical Note: Ramsay 1 & 2 drilling a
Slide 13: Key Technical Results and Findings to Date
Key Technical Results and Findings to Date For personal use only • 2024 drilling and well testing confirmed the presence of • Helium-3 identified at Ramsay via noble gas analysis a Natural Hydrogen and Helium system adjacent to the conducted at Oxford University 1. historic (1931 Ramsay Oil Bore) si
Slide 14: Ramsay Drilling Objectives – Target Zones & Resources
Ramsay 1 & 2 – Drilling Objectives Mu dgas measurements For personal use only Target Zones & Resources Ramsay Lst (Hydrogen / Helium) Minlaton Fm • 4 main target zones identified from drilling and testing A Parara Limestones Ramsay 1 and 2. B • Hydrogen shows in basement Limestones Kulpara (D) and s
Slide 15: Stage 2 Well Testing – Ramsay Hydrogen Concentrations Over Time
Stage 2 Well Testing Ramsay 2 Hydrogen Concentrations Over Time Stage 2 well testing of Ramsay 2 exploration well at depths 200m to 350m1 For personal use only • Narrow exploration well. • Testing process and timeframe limited by Govt approvals. • H2 concentrations increased over time as the well wa
Slide 16: Stage 2 Well Testing – Ramsay Helium Concentrations Over Time
Stage 2 Well Testing Ramsay 1 Helium Concentrations Over Time Stage 2 well testing of the Ramsay 1 exploration well For personal use only • Narrow exploration well. • Testing process and timeframe limited by Govt approvals. • Helium concentrations increased over time as the well was dewatered, with
Slide 17: Ramsay 2D Seismic Survey & Next Well Locations
Ramsay 2D Seismic Survey & Next Well Locations For personal use only Gold Hydrogen Limited goldhydrogen.com.au | ASX:GHY | 17
Slide 18: Next Objectives
For personal use only Next Objectives Gold Hydrogen Limited 18
Slide 19: Next Objectives
Next Objectives Mature the Ramsay Project with further appraisal in For personal use only preparation for commercial development decisions: Partner with appropriate technology and / or industry o Prove the existence of Natural Hydrogen and Helium specialists to develop specific downstream project re
Slide 20: Analysis is Being Completed for the Following Hydrogen Use Cases
Analysis is Being Completed for the Following Hydrogen Use Cases 01 01 - Hydrogen to Energy (e.g. Jenbacher) For personal use only 02 - Hydrogen to Green Bio Methanol 03 03 - Hydrogen to Natural Gas Pipeline Gold Hydrogen Limited goldhydrogen.com.au | ASX:GHY | 20
Slide 21: Recap/Summary
Recap/Summary Gold Hydrogen selected Toyota Motor Corporation, Mitsubishi Gas Chemical Inc and ENEOS Xplora Inc to The data and results collected by Gold Hydrogen from For personal use only become strategic investors in the Company. These parties the Ramsay 1 & 2 wells confirmed that Natural investe
Slide 22: Key Team Members
For personal use only Key Team Members Gold Hydrogen Limited 22
Slide 23: Key Management
Key Management For personal use only Neil McDonald Peter Bubendorfer Frank Glass Julien Bourdet Hugo Beldame Founder & Managing Director Chief Geologist Chief Exploration Adviser Geological Advisor Exploration Geologist Neil McDonald, with over 20 years of Peter has extensive experience in Frank Gla
Slide 24: Key Management
Key Management For personal use only Billy Hadi Subrata Leon Hennessey Simon Talbot Chief Technical Officer GM - Operations Chief Commercial Officer Billy Hadi Subrata is an experienced Leon has broad industry experience Simon joined the Company after petroleum and reservoir engineer with working in
Slide 25: Board of Directors
Board of Directors For personal use only Neil McDonald Alexander Downer Katherine Barnet Roger Cressey Karl Schobohm Founder & Managing Director Independent Independent Executive Director Company Secretary & CFO Non-Executive Chair Non-Executive Director Commercial Operations Neil McDonald, with ove
Slide 26: Appendix – Further Information
For personal use only Appendix – Further Information Gold Hydrogen Limited 26
Slide 27: Gold Hydrogen Prospective Resources (Using PRMS guidelines)
Gold Hydrogen Prospective Resources (Using PRMS guidelines) Certified Prospective Hydrogen Resources, existing discoveries and Certified Prospective Helium Resources, Ramsay Field drill ready hydrogen prospects (calculated volume not determined) (PEL 687 Yorke Peninsula) For personal use only Unrisk
Slide 28: Ramsay Project Milestones
Ramsay Project Milestones For personal use only Gold Hydrogen Limited goldhydrogen.com.au | ASX:GHY | 28
Slide 29: Traditional Green Methanol Opportunity
Traditional Green Methanol Opportunity Conceptual Design For personal use only Not required with Natural Hydroge n Gold Hydrogen Limited goldhydrogen.com.au | ASX:GHY | 29
Slide 30: Traditional Green Methanol Opportunity
Traditional Green Methanol Opportunity Conceptual Design For personal use only Gold Hydrogen Limited goldhydrogen.com.au | ASX:GHY | 30
Slide 31: Technical Tables – ASX Listing Rule 5.30
Technical Tables – ASX Listing Rule 5.30 For personal use only Gold Hydrogen Limited goldhydrogen.com.au | ASX:GHY | 31
Slide 32: Technical Tables – ASX Listing Rule 5.30
Technical Tables – ASX Listing Rule 5.30 For personal use only Gold Hydrogen Limited goldhydrogen.com.au | ASX:GHY | 32
Slide 33: Technical Tables – ASX Listing Rule 5.30
Technical Tables – ASX Listing Rule 5.30 For personal use only Gold Hydrogen Limited goldhydrogen.com.au | ASX:GHY | 33
Slide 34: For personal use only
For personal use only Neil McDonald Roger Cressey Karl Schlobohm Managing Director Executive Director CFO / Company Secretary nmcdonald@goldhydrogen.com.au rcressey@goldhydrogen.com.au kschlobohm@goldhydrogen.com.au + 61 0 419 721 007 + 61 0 419 663 569 + 61 0 419 721 007 Gold Hydrogen Limited | GPO