Deep Yellow Limited  December 2025 Quarterly Activities Report

Deep Yellow Limited December 2025 Quarterly Activities Report

Perth, Australia (ABN Newswire) - Deep Yellow Limited (ASX:DYL) (FRA:JMI) (OTCMKTS:DYLLF) provide a summary of key activities completed in the December 2025 quarter (the Quarter).

During the Quarter, activities were focused on derisking the Tumas Project (Tumas) to ensure readiness to reach a final investment decision (FID) when the uranium market supports development of a greenfield project like Tumas. The project execution schedule, capital estimate, mining schedule and financial model are being updated as improved data for each project element becomes available, in preparation for FID.

Tumas Project

o Staged development of the Tumas Project is progressing well:

- Detailed engineering more than 60% complete
- Bulk earthworks 24% complete
- Power supply agreement executed
- Independent Technical Expert report successfully completed for project debt financing

Namibia Exploration

o A reverse circulation drill program at the Tinkas Prospect, adjacent to the Tumas Project, identified uranium mineralisation with thicknesses up to 11 m from surface

o Broad-spaced exploration drilling to evaluate the Tumas Palaeochannel west of the Tumas Project, totalling 39 holes for 1,801 m, completed in November 2025

Mulga Rock Project

o Ground gravity and passive seismic surveys completed in October 2025

o Trade-off studies to inform the Definitive Feasibility Study underway after the successful piloting programs reported last quarter

Alligator River Project

o 10 diamond core holes for 2,754 m and 9 reverse circulation holes for 1,906 m completed in November 2025

o Extensive hydrothermal alteration system identified at Q14 anomaly (Southern Flank corridor) sharing key features with Nabarlek and Angularli deposits
Corporate

o Group cash balance on 31 December 2025 of A$187.1 million

o Mr. Greg Field appointed as Deep Yellow's Managing Director and Chief Executive Officer on 2 December 2025, and will commence with the Company on 2 February 2026

o Mr. Zebra Kasete appointed as Managing Director - Namibia on 13 November 2025

*To the full Quarterly Report, please visit:
https://abnnewswire.net/lnk/53D3KSK4



About Deep Yellow Limited:

Deep Yellow Limited (ASX:DYL) (OTCMKTS:DYLLF) is successfully progressing a dual-pillar growth strategy to establish a globally diversified, leading uranium company producing 10+ Mlb pa. The Company's portfolio consists of two advanced projects in Tier-1 uranium mining jurisdictions - flagship Tumas in Namibia and Mulga Rock, Western Australia.

Deep Yellow's future growth is underpinned by its highly prospective exploration portfolio - Alligator River, Northern Territory and Omahola, Namibia with ongoing M&A focused on high quality assets should opportunities arise that best fit the Company's strategy. Led by a best-in-class team, who are proven uranium mine builders and operators, the Company is advancing its growth strategy at a time when the need for nuclear energy is becoming the only viable option in the mid-to-long-term to provide baseload power supply and achieve zero emission targets. Importantly, Deep Yellow is on track to becoming a reliable and long-term uranium producer, able to provide production optionality, security of supply and geographic diversity.



Source:
Deep Yellow Limited



Contact:
Investors:
Craig Barnes
Acting Chief Executive Officer
T: +61 8 9286 6999
E: info@deepyellow.com.au

Media:
Cameron Gilenko
T: +61-466-984-953
e: cgilenko@citadelmagnus.com

News Provided by ABN Newswire via QuoteMedia

DYL:AU
The Conversation (0)
Premier American Uranium Expands and Further Defines Uranium Mineralization at Kaycee Project, Wyoming with Initial 2026 Drill Results

Premier American Uranium Expands and Further Defines Uranium Mineralization at Kaycee Project, Wyoming with Initial 2026 Drill Results

Premier American Uranium Inc. ("PUR", the "Company" or "Premier American Uranium") (TSXV: PUR,OTC:PAUIF) (OTCQB: PAUIF) is pleased to announce preliminary results from the 2026 exploration drilling program at the Company's wholly-owned Kaycee Project ("Kaycee" or the "Project"), located in the... Keep Reading...
Standard Uranium Provides Drilling Update on the 2026 Drill Program at Flagship Davidson River Project - Announces Elevated Radioactivity in First Drill Hole

Standard Uranium Provides Drilling Update on the 2026 Drill Program at Flagship Davidson River Project - Announces Elevated Radioactivity in First Drill Hole

Standard Uranium Ltd. (TSXV: STND) (OTCQB: STTDF) (FSE: 9SU0) ("Standard Uranium" or the "Company") is pleased to provide an update on drilling activities at its flagship Davidson River Project ("Davidson River" or the "Project"), located in the southwest Athabasca Basin, Saskatchewan, Canada.... Keep Reading...
Generation Uranium Closes Final Trance of Non-Brokered Private Placement

Generation Uranium Closes Final Trance of Non-Brokered Private Placement

(TheNewswire) Vancouver, British Columbia TheNewswire - June 15, 2026 - Generation Uranium Inc. (TSXV: GEN,OTC:GENRF, OTCQB: GENRF, FRA: W85) (the "Company" or "Generation") is pleased to announce that, further to its news releases of May 15 and May 29, 2026, it has closed the final tranche of... Keep Reading...
Terra Clean Energy Corp. Files NI 43-101 Technical Report For the Marysvale Uranium Mines Project, Utah

Terra Clean Energy Corp. Files NI 43-101 Technical Report For the Marysvale Uranium Mines Project, Utah

Terra Clean Energy CORP. ("Terra" or the "Company") (CSE: TCEC,OTC:TCEFF, OTCQB: TCEFF, FSE: C9O0) is pleased to announce that it has completed an independent National Instrument 43-101 Standards of Disclosure for Mineral Projects ("NI 43-101") Technical Report (the "Technical Report") for its... Keep Reading...
Generation to Present on the Emerging Growth Conference on June 11, 2026

Generation to Present on the Emerging Growth Conference on June 11, 2026

(TheNewswire) Generation Uranium invites individual and institutional investors as well as advisors and analysts, to attend its real-time, interactive presentation on the Emerging Growth Conference. Vancouver, British Columbia TheNewswire - June 9, 2026 - Generation Uranium Inc. (TSXV:... Keep Reading...
Standard Uranium Initiates 2026 Drill Program at the Davidson River Uranium Project, Southwest Athabasca Basin

Standard Uranium Initiates 2026 Drill Program at the Davidson River Uranium Project, Southwest Athabasca Basin

Standard Uranium Ltd. (TSXV: STND,OTC:STTDF) (OTCQB: STTDF) (FSE: 9SU0) ("Standard Uranium" or the "Company") is pleased to announce that drilling activities have commenced at the Company's flagship Davidson River Uranium Project ("Davidson River", or the "Project") located in the Southwest... Keep Reading...

Interactive Chart

Latest Press Releases

Related News