Deep Yellow delivers key Tumas milestones and secures project progress in Namibia

A uranium plant worker in full protective gear removes his head covering and holds it in his hand as he smiles slightly to have his picture taken.

The Deep Yellow Ltd (ASX: DYL) share price is in focus today after the company announced the completion of two major milestones at its flagship Tumas Project in Namibia, including a long-term water supply agreement and the finalisation of local ownership arrangements.

What did Deep Yellow report?

  • Secured a long-term Water Supply Agreement for the Tumas Project with NamWater, covering construction, commissioning, and operational phases.
  • Formalised local Namibian ownership with Oponona Investments for a 5% stake in Reptile Uranium Namibia (RUN), supporting project licensing.
  • Oponona’s share of historic and future Tumas expenditure will be carried as an interest-free loan, repayable from future dividends.
  • Bulk earthworks at Tumas are complete, with over A$34 million in civil and concrete works now underway.
  • Final Investment Decision for Tumas targeted for Q4 2026, subject to market conditions.

What else do investors need to know?

The agreement with NamWater secures one of Tumas Project’s most critical long-term operating requirements, giving confidence around water supply for construction and future uranium production. These latest milestones bolster project certainty and construction readiness.

Deep Yellow also advanced key corporate social responsibility goals, with Oponona’s stake and a Special Purpose Entity set up to ensure community benefit initiatives are implemented. Importantly, Oponona’s loan structure aims to balance local ownership with financial sustainability, as repayments come from their dividend share.

The company continues to make progress on detailed engineering, procurement, and optimisation, as well as working towards securing project financing and enabling infrastructure before the anticipated Final Investment Decision later this year.

What did Deep Yellow management say?

Deep Yellow’s CEO, Greg Field, commented:

This is another great outcome for Deep Yellow. We have closed out two important workstreams and continue to build momentum as we systematically prepare Tumas for development. Our approach has been clear and consistent – remove uncertainty wherever we reasonably can and build execution certainty before committing shareholder capital at FID. That is what we said we would do and it is what we are delivering. Securing long-term water provides certainty over one of Tumas’ most critical operating requirements while the Oponona agreements give effect to local ownership arrangements contemplated under a binding Heads of Agreement previously disclosed by Deep Yellow.

These milestones build on completed bulk earthworks, major civil and concrete works now underway, and continued progress across engineering, procurement, optimisation and financing. Tumas is becoming progressively more de-risked and construction-ready. We have real momentum and will continue systematically closing out the remaining workstreams as we build the strongest possible platform for a disciplined investment decision.

What’s next for Deep Yellow?

Deep Yellow is focused on successfully progressing its Tumas Project towards a Final Investment Decision in Q4 2026. The company is systematically working through all key development workstreams—aiming to reduce risk and lift execution certainty.

Beyond Tumas, Deep Yellow continues to advance projects in Western Australia and Namibia, with its goal to become a leading global uranium producer. The team is also alert for high‑quality M&A opportunities that align with its long-term growth strategy.

Deep Yellow share price snapshot

The Deep Yellow share price has modestly outperformed the S&P/ASX 200 index (ASX: XJO) over the past 12 months with a gain of 5%.

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Motley Fool contributor James Mickleboro has no position in any of the stocks mentioned. The Motley Fool Australia’s parent company Motley Fool Holdings Inc. has no position in any of the stocks mentioned. The Motley Fool Australia has no position in any of the stocks mentioned. The Motley Fool has a disclosure policy. This article contains general investment advice only (under AFSL 400691). Authorised by Scott Phillips. This article was prepared with the assistance of Large Language Model (LLM) tools for the initial summary of the company announcement. Any content assisted by AI is subject to our robust human-in-the-loop quality control framework, involving thorough review, substantial editing, and fact-checking by our experienced writers and editors holding appropriate credentials. The Motley Fool Australia stands behind the work of our editorial team and takes ultimate responsibility for the content published by The Motley Fool Australia.