Ardea Extends Kalgoorlie Nickel DFS to Pursue Optimisation Amid Strong Government Support

DFS Timeline Extended to Capture Value Enhancements

Ardea Resources (ASX:ARL) has announced a delay in the finalisation of the Definitive Feasibility Study (DFS) for its Kalgoorlie Nickel Project (KNP) – Goongarrie Hub, pushing completion beyond the previously targeted 30 June 2026. The extension is driven by identified optimisation and value engineering opportunities that the company deems essential given the project’s scale and strategic importance. Despite the delay, the DFS fundamentals and scope remain unchanged, with the program fully funded by the Japanese Consortium under a $98.5 million budget, of which approximately $84.5 million has been spent to date.

This move signals Ardea’s intent to maximise the project’s potential, reflecting a cautious but strategic approach to one of Australia’s largest nickel-cobalt resources. The company expects to provide an update on the DFS path forward before the end of October 2026.

Government Recognition Elevates Strategic Profile

The KNP – Goongarrie Hub continues to attract significant government attention, underscoring its national and international critical minerals significance. The project was selected for the Australian Government’s Investor Front Door pilot program, highlighting its strategic global importance as Australia’s largest nickel-cobalt mineral resource.

Further elevating its profile, the Goongarrie Hub was named in the Australia-Japan joint statement on critical minerals collaboration, cementing its role in supporting resilient and diversified supply chains between the two nations. The Western Australian Government’s Department of Energy and Economic Diversification awarded the project Lead Agency Status, facilitating streamlined government engagement and approvals.

Scandium Recovery Scoping Study Commences

In an intriguing development, Ardea has initiated a sole-funded Scoping Study to assess the recovery of scandium and other critical minerals from the waste stream barren liquor solution, alongside the base case nickel and cobalt pay-metals. While the current DFS budget does not cover dedicated metallurgical testwork for scandium, the company is exploring this avenue to potentially enhance project value and diversify revenue streams. Completion of this study is expected in the September quarter of 2026.

Robust Financial Position Supports Development

Ardea’s financial footing remains solid with $18.3 million cash on hand and zero debt as of 30 June 2026. The company recently closed a Share Purchase Plan (SPP) raising $340,000 at $0.60 per share, matching the price of a prior $5 million placement. The DFS costs continue to be fully funded by the Japanese Consortium, which holds a 35% interest in the incorporated joint venture Kalgoorlie Nickel Pty Ltd (KNPL), with rights to increase to 50% upon a positive Final Investment Decision.

Operating cash outflows for the quarter totalled $7.47 million, primarily driven by exploration and feasibility activities. Consortium funding and capital raises have effectively offset these expenditures, maintaining liquidity through the DFS phase.

Environmental Approvals and Technical Progress

Environmental baseline studies for the DFS are nearing completion, with lodgement of approvals documentation to both the State Environmental Protection Authority and the National EPA targeted for the December quarter of 2026. The project benefits from the WA Government’s new Priority Approvals Pathway, designed to accelerate assessments for state-significant projects.

Technical milestones include completion of draft DFS chapters on geology, mineral resources, ore reserves, and mining, reviewed by independent experts during site visits. Hydrogeological modelling has updated water supply and pit dewatering schedules, critical for production planning. Rehabilitation efforts continue at drill sites, reflecting Ardea’s commitment to environmental stewardship.

R&D and Intellectual Property Development

Ardea advances its R&D portfolio with ongoing testwork supporting the transition from a Mixed Hydroxide Precipitate to a Mixed Sulphide Precipitate flowsheet, aiming to optimise plant feed and product quality. The company has lodged global patent applications related to its Mineralised Neutraliser technology, a unique process element under development. Parallel studies investigate comminution enhancement using ferruginous and siliceous ores as grinding media, potentially improving processing efficiency.

Sector Outlook and Market Dynamics

Market commentary from Transamine and Evercore underscores a volatile yet supportive environment for nickel and cobalt, driven by supply disruptions and strategic stockpiling initiatives by countries like Canada and Japan. Benchmark Mineral Intelligence forecasts a supply gap emerging from 2029, aligning with the anticipated ramp-up of the Goongarrie Hub. Ardea views current sector conditions as favourable for project development, citing improved access to skilled personnel and service providers.