ASX: ORP
2025 GENERAL EXPLORATION UPDATEUNLOCKING TOMORROW'S ENERGY TODAY
DECEMBER 2025
orpheusuranium.com
Watch MD Clinton Dubieniecki give this presentation
https://www.orpheusuranium.com/presentations/
Major Investment Highlights
2025: A Focus on Portfolio Development
Developed technically intelligent team with uranium experience at world-class uranium operations
Acquisition of Pirie Basin Uranium Project, adjacent to, and geological synergistic with known Samphire Uranium deposit
Strategic development of project portfolio to promote longterm value with geological relevant tenure, through acquisition of Oobagooma Project, Western Australia
Established three Native Title Mining Agreements (NTMAs), enabling access for core South Australian projects, including landmark Adnyamathanha agreement (Frome project)
Continued advancement of Northern Territory projects, focussing on Mt Douglas which is prospective for unconformity-style mineralisation
Advancing 100% owned, market-leading uranium exploration tenure. A true uranium explorer
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Major Investment Highlights
2026: Advancing The Portfolio
Progress South Australian projects to secure required regulatory approvals and enable decision to drill on Frome, Pirie Basin & Radium Hill South projects for sedimentary-style Uranium
Advance Mt Douglas project to decision to drill stage, targeting high-grade unconformity-style mineralisation
Complete Oobagooma sale agreement, continue development of geological and resource modelling alongside land access agreements
Continued refinement of portfolio including project generative assessments of geologically relevant tenure and projects, rationalisation to maintain a balanced portfolio
Position the Company for success through drill discovery and/or growth in the Uranium market with a high-quality, advanced portfolio
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Orpheus Uranium Project Pipeline
Greenfield
Exploration Advanced
Exploration Exploration
AS AN INDUSTRY,
WHEN WE EXPLORE FOR URANIUM, WE DISCOVER URANIUM!
Business Development (incoming Assets)
Mt Douglas (NT)
Marree (SA)
Mundaerno
(SA)
McArthur
(NT)
Frome (SA) Pirie Basin (SA) Oobagooma* (WA)
Radium Hill South (SA)
Target JORC
Resource Producing Assets
Project rationalisation routinely occurring to minimise unnecessary outgoings, and maximise portfolio value
DUAL STRATEGIC APPROACH: LEVERAGING DISTINCT URANIUM-SPECIFIC EXPERIENCE
* Sale agreement executed, working to completion of sale 5
Sedimentary-Style Mineralisation
Over 40km strike of highly prospective Pirie Basin - adjacent to Alligator Energy's 18 Mlb. Samphire Uranium Project1
Located in a globally significant Callabonna Sub-Basin ~12km west of Boss Energy's 25 Mlb. Gould's Dam Uranium Deposit2
~20 km south of Radium Hill Uranium Field and hosts five uranium known occurrences
Leveraging results of previous explorers' activities who halted due to changing market conditions
Proximal to operations and developing assets recently approved for uranium mining or advanced-stage development activities in a jurisdiction that allowsuranium mining
Samphire Uranium Project - Alligator Energy Limited ASX: AGE - Increased Mineral Resource Estimate and Upgrade of Indicated Resource for the Blackbush Deposit, Samphire U Project. (18.0 Mlbs. at an average grade of 676ppm U3O8). Refer to ASX: AGE announcement dated 06 May 2025
Goulds Dam Uranium Deposit - Resource - Boss Energy Limited ASX: BOE - Combined Indicated and Inferred Resource - Average Grade 523 ppm U3O8 with Contained 25 Mlbs.
U3O8. Refer to ASX: BOE announcement dated 23 January 2024 6
Key South Australian ProjectsFIRST TIME EXPOSURE TO URANIUM FOCUSED JUNIOR EXPLORER
Over 40km strike of highly prospective Pirie Basin sediments which are host to the 18 Mlb. (U) Samphire Project & underlain by fertile granites
Pirie Basin one of only two basins in South Australia to host sedimentary-style uranium deposits that have active advanced staged feasibility or producing in-situ recovery uranium projects
Progressing the tenement transfer regulatory requirement to enable Orpheus to undertake exploration activities on tenure
Preliminary engagement with landholders/other key stakeholders being undertaken, to foster relationships for work upon tenement transfer
Roadside Cutting: exposed sediments on weathered basement
Pirie Basin Project
Advanced Exploration
MULTIPLE TARGETS IN MULTIPLE PALAEOCHANNEL SYSTEMS
Erudina
Over 50km strike of highly prospective and producing Callabonna Sub-Basin - proximal to/sharing geological synergy with 25 Mlb. Goulds Dam
Mechanisms (source, transport & trap) for Uranium mineralising systems similar to regional deposit: Peak uranium grades in fertile Namba and Eyre Formation sediments of >1,500ppm EqU.
LANDMARK NTMA ESTABLISHED - Allows regulatory approvals. Heritage survey completed in 2024 - assessing requirements for follow up survey
Ongoing engagement with all stakeholders, including landholders, traditional owners and government Expecting to gain government endorsed 'Program for Environment and Rehabilitation' (PEPR) imminently
Erudina Prospect: looking south towards Crocker Well
Frome Project
Advanced Exploration
FIVE EXISTING PROSPECTS READY FOR IMMEDIATE FOLLOW-UP
Located ~20km south of the highly radiogenic region of the historic Radium Hill Uranium Field 2.6 Mlbs. @ 1,310ppm U3O8
Mechanisms (source, transport & trap) for uranium mineralising systems, with evidence of uranium mineralisation at shallow depths of ~80 to 110m
NTMA Established - Heritage survey completed at selection of prospects throughout the tenement - allows advanced stage exploration activities including drilling
Ongoing engagement with stakeholders, including government, landholders, and traditional owners Regulatory approval (PEPR) received
Radium Hill South Project: conducting the heritage survey
Radium Hill South Project
Advanced Exploration
REGIONAL EXPLORATION APPLYING KNOWN MINERALISING MODEL
Early-stage exploration located to northwest of the Northern Flinders Ranges Mount Painter Block, which hosts some of the most uraniferous surface and potential uranium source rocks within Australia, if not globally
NTMA Established (x2) with Adnyamathanha (blue) and Dieri (green) which
allows ongoing exploration activities including drilling
Continued geological modelling in comparison with regional known mineralising settings to refine target areas for future exploration activities
Ongoing engagement with all stakeholders, including landholders, traditional owners and the government - preparation for nominated activities
Marree Project
Marree Project
Greenfield Exploration
Unconformity and Vein style Mineralisation
"Australia's economic Unconformity-Style mineral systems" - Significant region of historical production where Australia's large, high-grade deposits are discovered
Exposure of Kombolgie Sandstone and geological synergy with nearby Thunderball Uranium Deposit
Ongoing assessment of regional NT projects within broader portfolio
Mt Douglas: Kombolgie Sandstone outcrop
Key Northern Territory Project
PROSPECTIVE FOR UNCONFORMITY AND VEIN-STYLE URANIUM MINERALISATION
Evidence of surficial radiometric anomalies of up to 750ppm U mapped throughout tenure and proximal to the overlying Kombolgie Sandstone
Geological synergy with nearby Thunderball Unconformity-Style Uranium Deposit held by Patronus Resources (ASX: PTN)
Acquisition of high-resolution NTGS co-funded gravity data, completed -survey results to define and prioritise drill-ready unconformity-style uranium targets, processing of dataset commenced
Heritage survey completed over area(s) of interest, ongoing engagement with Traditional Owners over target areas
NT Government approved Mining Management Plan (MMP) in place,
enabling advanced-stage activities (delayed due to cyclone/wet season)
Mt Douglas Project: Consultant Geologist Geoff Eupene preparing for field work
Ground Gravity - Filtered 10km High Pass (preliminary dataset and processing)
Mt Douglas Project
Early Exploration
Oobagooma Uranium Project 3
Hosted within Yampi Sandstone of the Carboniferous Canning Basin
Discovered in 1981 by Australian French Mining & Exploration Company (Afmeco), most recent drilling in 1983
Evidence of mineralising source rocks, transport mechanism and geochemical trap sites
Known uranium mineralisation extends over approximately 4 km of strike and 1.5 km width
Progressing conditions precedent considered standard for a transaction of this nature
3: Oobagooma Uranium Project - Orpheus Uranium Limited ASX: ORP - Acquisition of Oobagooma Uranium Project. Refer to ASX: ORP announcement dated 14 October 2025
Key West Australian Project* GT = Grade Thickness - calculated as uranium grade (eU3O8) x Thickness (m)
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Orpheus is led by a Board with decades of experience and current connections with all aspects of today's uranium industry.
Clinton Dubieniecki
Managing Director
Simon Mitchell
Chairman
Todd Williams
Non-Executive Director
Clinton is a trained geologist with over 18 years of experience and extensive exposure to the uranium sector. He has worked across the full value chain of uranium projects-from exploration through to resource development and production-with multinational companies including Orano, Uranium One, and most recently Heathgate Resources, where he spent nearly a decade contributing to the operation of the Beverly and Four Mile projects. Clinton joined Orpheus in May 2024.
Simon is a trained geologist with more than 35 years of experience spanning technical, financial, and corporate roles, including significant exposure to exploration and mine development. He spent over six years with uranium development company Toro Energy, and more recently has provided consulting services to several Canadian uranium companies, including NexGen Energy Ltd, developer of the world-class Rook I uranium project in the Athabasca Basin, Canada. Simon joined Orpheus in October 2023.
Todd is a trained geologist with more than a decade of experience across all aspects of mineral exploration. He is currently the Managing Director of Unico Silver and brings extensive uranium sector experience through his time with Power Minerals (formerly PepinNini). Notably, he was instrumental in vending the 'Big Lake' uranium project-recently recognised as Discovery of the Year-into Alligator Energy. Todd joined Orpheus in December 2023.
Board and ManagementThe Orpheus exploration team has extensive uranium-specific expertise. Each geologist has experience across all stages of sedimentary-style uranium exploration and production at Australia's Beverley/Four Mile operation.
Isaac Lord
Senior Geologist
Jack Maughan
Lead Geodata Scientist
Chloe Reddaway
Project Geologist
Isaac is a geologist with five years of experience at Heathgate Resources, Australia's premier sedimentary-style (ISR) uranium producer. He has gained exposure across the full uranium value chain, from exploration through to production, with the past two years spent in the company's Resource Development department focusing on the Four Mile deposits. Isaac joined Orpheus in October 2026.
Jack is a geologist with 10 years of international experience across multiple sectors of the mining and exploration industry. He began his career with Heathgate Resources, contributing to successful exploration programs and production activities. Jack later gained experience in North America, including as a data scientist with BHP, before returning to Australia to consult to Heathgate and subsequently joining Data Rock as a data scientist. Jack joined Orpheus in May 2026.
Chloe is a geologist with two years of experience at Heathgate Resources, Australia's longest continuously operating sedimentary-style (ISR) uranium producer. She has worked across multiple geological departments, including uranium exploration and production, before contributing to regional exploration programs. Chloe joined Orpheus in June 2025
Exploration TeamCorporate Summary
CAPITALISATION DATA
Shares on issue
281.7MShare Price (11 December 2025)
$0.042
Market Capitalisation
$12.0M
ASX: ORP Shareholder Spread
12 Month Share Price
Cash (30 September 2025)
$3.07M
Liquid Assets (30 September 2025) *
$0.64M
64.1%Top 20 Shareholders
35.9%
Outside Top 20 Shareholders
5 Year Uranium Spot Price (USD/Lbs)
Fx = 1 USD = 1.51 AUD 12-Months
Uranium (USD/Lb) 76.50
(AUD/Lb) 115.27
* Following the end of the quarter, Orpheus completed the sale of the remaining 3.2 million PSC shares for a total consideration of :0.C3S million
+ ORP holds C.25M call options to acquire ordinary PSC shares at :0.15 per share, expiring 11 April 2027
BOARD & MANAGEMENT
Clint Dubieniecki - Managing Director & CEO
Simon Mitchell - Non-Exec Chairman Todd Williams - Non-Exec Director Richard Willson - Company Secretary
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ASX: ORP
Contact UsRegistered Office:
79 King William Road Unley, South Australia 5061
P. +61 8 8231 0381
E. info@orpheusuranium.com
W. https://www.orpheusuranium.com
Clinton Dubieniecki Managing Director
E. clinton@orpheusuranium.com
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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.
Project | Development Phase | Location | Company / Operator | Resource Classification | Average Grade (ppm U3O8) | Contained Metal (Mlbs, U3O8) | Source |
Honeymoon Uranium Mine | Mine | Frome Embayment (Callabonna Sub-basin) South Australia | Boss Energy Limited ASX: BOE | Mineral Resource | 660 | 36 | Refer to ASX: BOE announcement dated 23 January 2024 |
Jasons Uranium Deposit | Resource | Inferred Resource | 790 | 10.7 | Refer to ASX: BOE announcement dated 23 January 2024 | ||
Goulds Dam Uranium Deposit | Resource | Combined Indicated and Inferred Resource | 523 | 25 | Refer to ASX: BOE announcement dated 23 January 2024 | ||
Saffron Deposit | Resource | Marmota Limited ASX: MEU | Inferred Resource | 557 | 5.4 | Refer to ASX: MEU announcement 26 October 2023 | |
Radium Hill Historic Mine | Historic Mine | Curnamona Province South Australia | Areas reserved from the Mining Act, 1971 and Opal Act, 1995 | Past production | 1,310 | 2.6 | Refer to https://minerals.sarig.sa.gov.au/MineralDepositDet ails.aspx?DEPOSIT_NO=962 |
Crocker Well Deposit | Resource | Sinosteel Uranium SA Pty Ltd | Combined Indicated and Inferred Resource | 281 | 11.7 | Refer to ASX: PNN announcement 28 April 2010 | |
Samphire Uranium project (Black bush) | Resource | Pirie Basin | Alligator Energy Limited ASX: AGE | Combined Indicated and Inferred Resource | 676 | 18.0 | Refer to ASX: AGE announcement dated 06 May 2025 |
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Comparable Projects| Attention: This is an excerpt of the original content. To continue reading it, access the original document here. |
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Orpheus Uranium Ltd. published this content on December 11, 2025, and is solely responsible for the information contained herein. Distributed via Public Technologies (PUBT), unedited and unaltered, on December 11, 2025 at 22:46 UTC.
