Slide 1: Building a Geologically Relevant Uranium Exploration Portfolio
ASX: ORP rsonal use only Building a Geologically Relevant Uranium Exploration Portfolio: Key Ingredients for Discovery in South Australia Isaac Lord & Hugo Madezo orpheusuranium.com www.orpheusuranium.com | ASX: ORP | October 2026
Slide 2: Disclaimer
Disclaimer This disclaimer applies to this presentation and the information contained in it (the Presentation). By reading this disclaimer you rsonal use only agree to be bound by it. The Presentation has been prepared by Forward-looking statements Market and industry data Orpheus Uranium Limited an
Slide 3: Introduction: A Portfolio Built for Discovery
Introduction A Portfolio Built for Discovery rsonal use only ASX-listed Australian uranium exploration company with a diversified uranium exploration portfolio across South Australia, Northern Territory and Western Australia. A combination of emerging and historically explored districts, where exist
Slide 4: Overview: Project Pipeline
Overview: Project Pipeline rsonal use only Pirie Basin (SA) Mt Douglas (NT) Maree* (SA) Business Development Frome Producing McArthur (incoming (NT) (SA) Assets Assets) → Oobagooma* → Mundaerno (WA) (SA) Radium Hill South (SA) ORPHEUS WORKING TOWARDS DISCOVERY AND DELINEATION OF 20 MLBS (+) URANIUM
Slide 5: The Uranium Cycle: Discoveries Through Time
AS AN INDUSTRY, The Uranium Cycle WHEN WE EXPLORE FOR URANIUM, WE DISCOVER URANIUM! Discoveries Through Time 1970’s & 1980’s 2000’s 2020’s rsonal use only 1972 Frome (Regional) Drilling Program 2008 Frome Drilling Program 2026 Frome Drilling Program = SA 1969 Ranger 1972 Honeymoon 2005 Four Mile Eas
Slide 6: From Prospective Ground to Testable Opportunities
From Prospective Ground to Testable Opportunities The key is translating geological potential into coherent and testable exploration concepts rsonal use only 01. PROSPECTIVITY 02. GEOLOGICAL HYPOTHESIS 03. TESTABILITY Downhole Geophysical logging Historical data analysis provides A mineral system mo
Slide 7: Pirie Basin Project: Defining the Exploration Opportunity
Pirie Basin Project: Defining the Exploration Opportunity From regional prospectivity to project-scale targeting PROSPECTIVITY rsonal use only SAMPHIRE PROJECT 30 Mlbs Paleochannel Incision Outcropping Pirie Basin Sediments Ingredients for discovery 40km of Pirie Basin sediments, overlying fertile H
Slide 8: Marree Project: Building the Geological Hypothesis
Marree Project: Building the Geological Hypothesis A district-scale system with strong transport potential GEOLOGICAL HYPOTHESIS CONVENTIONAL MODEL rsonal use only High grade regional sources from the northern Flinders Ranges. Prospectives sediments of the Lake Eyre Basin a known host to significant
Slide 9: Marree Project: Building the Geological Hypothesis
Marree Project: Building the Geological Hypothesis A district-scale system with strong transport potential GEOLOGICAL HYPOTHESIS ALTERNATIVE MODEL rsonal use only Deposition & primary U input: Deposition of the basin succession, with uranium supplied by erosion and weathering of the Flinders Ranges
Slide 10: Marree Project: Building the Geological Hypothesis
Marree Project: Building the Geological Hypothesis A district-scale system with strong transport potential Section 1 rsonal use only Section 2 10
Slide 11: Frome Project: Testing the geological model through drilling
Frome Project Testing the geological model through drilling and downhole data TESTABILITY rsonal use only Project area identified and drilled by Areva (Orano) in 2007-08 with wide spaced grid patterns (1km spaced lines) intersecting >1,000ppm eU3O8 intervals in the Eyre Formation. Global Financial C
Slide 12: Summary
Summary As a company how do we position ourselves in the best place for discovery? rsonal use only We have identified the project potential — now it is time to test our geological hypotheses Re-evaluating conventional and unconventional exploration models Consolidating opportunities across district-
Slide 13: Contact Us
ASX: ORP rsonal use only Contact Us Registered Office: 79 King William Road Unley, South Australia 5061 P. +61 8231 0381 E. info@orpheusuranium.com W. www.orpheusuranium.com
Slide 14: Comparable Projects
Comparable Projects Orpheus reports Mineral Resources of uranium mines, deposits or past production that it considers comparable to the style and location of uranium mineralisation in which it explores, as presented within this presentation, and listed in the table herein. rsonal use only Average Co