Astron (ASX: ATR) has secured a binding five-year offtake agreement for the entire heavy mineral concentrate (HMC) production from its Donald rare earths and mineral sands project in Victoria.
The deal removes a key commercial hurdle ahead of a final investment decision (FID) slated to be made by the end of the year.
The agreement with China’s Xiamen Xiangyu Logistics Group (XXLG) covers approximately 250,000 tonnes of HMC annually and satisfies an offtake requirement attached to Donald’s proposed $200 million senior debt financing package.
The development follows conditional approval from Export Finance Australia (EFA) and the National Reconstruction Fund Corporation (NRFC) for commitments of up to $180 million towards the proposed facility.
Located approximately 300km north-west of Melbourne, Donald is being developed through a joint venture between Astron and US critical materials company Energy Fuels.
Under the five-year take-or-pay agreement, XXLG has committed to minimum annual volumes of 160,000 tonnes of HMC, representing approximately 70 per cent of average production during the initial term.
XXLG must also purchase all additional HMC scheduled for delivery, providing Astron with a contracted sales channel for the project’s full planned HMC output.
Astron managing director Tiger Brown said the agreement was an important development milestone.
“Xiamen Xiangyu Logistics Group is a valuable partner for the project’s mineral sands products, with an extensive, established mineral sands sales network in China and into Asia,” Brown said.
Commercial certainty supports debt financing
The agreement provides greater visibility over Donald’s future sales volumes, an important consideration for lenders assessing the project’s ability to service debt.
Pricing will be determined through a market-based mechanism linked to contained titanium dioxide and zirconium dioxide units, consistent with assumptions in Donald’s Phase 1 bankable feasibility study.
Importantly, Astron’s purchase agreement with the Donald joint venture and its sales agreement with XXLG contain identical pricing and product specifications.
This back-to-back structure is designed to limit Astron’s exposure to mismatches between its purchase and sales obligations.
The agreement also provides an option for a $US5 million prepayment within three months of operations commencing, recoverable against deliveries over the first two years.
The offtake agreement remains conditional on several requirements, including Donald reaching FID by December 31, 2026.
Downstream processing offers upside
The agreement also preserves an opportunity for Astron to generate value beyond selling HMC.
“The opportunity to re-purchase up to 30 per cent of the annual supply gives Astron the opportunity to realise additional value through processing the HMC at its Yingkou plant for direct sale to end-users, such as zirconium chemical markets, where demand is forecast to grow significantly,” Brown said.
The minimum annual contracted quantity is expected to contain approximately 70,000 tonnes of titanium dioxide and 30,000 tonnes of zirconium dioxide units.
Titanium dioxide is a major industrial pigment used in paints, paper and plastics, while zirconium products have applications across industrial and chemical markets.
XXLG’s established mineral sands distribution network provides access to mineral separation plants and downstream customers in China and across Asia.
FID up next
Energy Fuels is earning a 49 per cent interest in the Donald joint venture by funding its remaining earn-in commitment, with Astron retaining 51 per cent and management responsibility.
Once the earn-in is completed, both parties will contribute the required equity funding in proportion to their ownership interests.
The joint venture project’s next test is converting conditional financing support into an executable funding package and securing FID before the end of 2026.
Donald at a glance:
- Location: Approximately 300km north-west of Melbourne, Victoria
- Ownership: Astron (ASX: ATR) 51 per cent; Energy Fuels earning 49 per cent
- Total mineral resource: 1.81 billion tonnes at 4.6 per cent heavy mineral grade (MIN5532 and RL2002)
- Phase 1 mineral resource: 525 million tonnes at 4.0 per cent heavy mineral grade (MIN5532)
- Phase 1 ore reserve: 309 million tonnes at 4.4 per cent heavy mineral grade
- Mine life: More than 58 years across a planned two-phase development
- Mining lease area: 27km²
- Primary products: Heavy mineral concentrate containing titanium dioxide and zirconium dioxide, alongside rare earths.
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