Donald Project Phase 1: $450M CAPEX, 19.3% IRR, 40-Year Mine Life

Robust Economics Confirmed in BFS

Astron Limited (ASX:ATR) has announced the completion of a Bankable Feasibility Study (BFS) for Phase 1 of its Donald Rare Earth and Mineral Sands Project in Victoria, Australia. The BFS outlines a compelling economic case with a pre-tax net present value (NPV8) of AUD 759 million and an internal rate of return (IRR) of 19.3%, based on a 40-year mine life. Average annual EBITDA is forecast at AUD 119 million from revenues of AUD 262 million, underscoring the project’s long-term financial viability.

The capital expenditure (CAPEX) for Phase 1 is estimated at AUD 450 million (real November 2025 terms), with 94% of costs derived from tendered or market prices. This reflects a mature design and cost certainty as the project advances towards a Final Investment Decision (FID) targeted for the second quarter of 2026.

Technical and Operational Advances

Key technical updates incorporated into the BFS include an updated ore reserve estimate and a shift to an in-pit, track-mounted mining unit plant (MUP), which reduces operational complexity and costs. Metallurgical analyses have enhanced the rare earth element concentrate (REEC) product, increasing the proportion of valuable heavy rare earth elements such as dysprosium and terbium, which are critical for high-performance magnets in electric vehicles and renewable energy technologies.

The project’s mineral resource boasts 810 million tonnes at 4.5% heavy mineral grade, with Phase 1 focusing on Mining Licence 5532. Production is expected to average 7,100 tonnes per annum of REEC and 192,000 tonnes per annum of heavy mineral concentrate (HMC), with Phase 2 planned to double throughput and extend mine life beyond 58 years.

Strategic Partnerships and Financing

The Donald Project is being developed as a joint venture between Astron and US-based Energy Fuels Inc., which will hold a 49% interest by funding the majority of Phase 1 equity. Energy Fuels has a binding offtake agreement for 100% of the REEC product, linking pricing to market indices with floor prices for key rare earth oxides, providing revenue certainty.

Negotiations for a project financing package of up to AUD 300 million are well advanced, with the conclusion of a credit-approved term sheet anticipated as the final milestone before FID. Astron’s Managing Director, Tiger Brown, highlighted the project’s role as a new Australian source of critical minerals, emphasizing its alignment with global supply chain diversification efforts.

Environmental and Community Engagement

The BFS also details comprehensive environmental management and community engagement frameworks. The project has secured all major regulatory approvals, including a Work Plan and Environmental Effects Statement, and has formal agreements with Traditional Owners through the Barengi Gadjin Land Council. Community concerns around rehabilitation, water management, and employment are being actively managed, with the project expected to contribute AUD 2.2 billion to the regional economy and create over 500 jobs annually.

Logistics strategies leverage existing infrastructure, with HMC exported via the Port of Portland and REEC via the Port of Adelaide, the latter classified as Class 7 radioactive material requiring specialized handling.

Market Position and Outlook

The Donald Project is strategically positioned to supply critical minerals amid tightening global markets. Zircon and titanium feedstocks face supply constraints, while rare earth elements, especially heavy rare earths, are in growing demand for clean energy technologies. The BFS adopts conservative price forecasts yet demonstrates resilience, with sensitivity analyses confirming the project’s robustness against market fluctuations.

Construction is planned to commence following a positive FID, with first production targeted for Q1 2028, marking a significant step towards establishing a long-life, secure source of critical minerals for Australia and its partners.