Chilwa’s Nasdaq cash injection puts Malawi drilling into its next phase

Nasdaq proceeds arrive after a near-empty quarter-end balance

Chilwa Minerals Limited (ASX:CHW, Nasdaq:CHWM) ended the September quarter with just A$5,000 in cash and cash equivalents, a stark figure that was overtaken almost immediately by its US capital raising. The company received approximately A$4.49 million in net IPO proceeds on 5 October, followed by a further US$292,286 net from a partial over-allotment exercise.

The quarter itself consumed A$381,000 in operating cash, A$559,000 on exploration and equipment, and A$188,000 in Nasdaq transaction costs. The company said payments had been deferred while the IPO moved from September into October, meaning December-quarter operating outflows are expected to be higher as accrued creditors are settled and US listing costs continue. The funding risk flagged in the annual report therefore has not vanished; it has been pushed into a better-capitalised phase.

Mpyupyu West drilling nears its first major geological test

The most advanced field programme is at Mpyupyu West, where two sonic rigs had completed 218 of 272 planned holes for 2,292 metres by 6 October. The 17 square kilometre prospect has produced a consistent near-surface profile of silty sand, lateritic silty sand and sandy clay over deeply weathered, free-dig saprolite, with the mineralised interval averaging 8.6 metres to its base.

“Representative west–east geological cross section through the Mpyupyu West drilling at 8,295,950 mN (30× vertical exaggeration), showing the interpreted sequence of sand,…”

“Mpyupyu West Phase I reconnaissance sonic drill plan — holes completed to 6 October 2026 and planned collars on the nominal 400 mN × 200 mE grid, with the Mpyupyu Dune and Flat…”

Caption and image © Chilwa Minerals Ltd. From “September 2026 Quarterly Activities and Cashflow Reports”, 29 Oct 2026.

The geological continuity is notable, but it is not yet a grade result or a Mineral Resource. Chilwa says 63% of the observed mineralisation is hosted in saprolite rather than transported sands, while laboratory sink-float assays from the first composite batches are expected in late October. Those results are intended to support a maiden Exploration Target before a proposed Phase II programme on a nominal 100-metre by 100-metre grid. The programme builds on the Mpyupyu West drilling update, which earlier described a continuous free-dig saprolite horizon across the target.

Nakombe drilling moves toward a maiden resource

Up to three diamond rigs continued drilling at Nakombe North and South, reaching approximately 5,722 metres by the end of September. The work is aimed at converting a conceptual 34-million-to-51-million-tonne Exploration Target into a maiden Mineral Resource estimate, but the target remains conceptual and the company has not reported new Exploration Results in this quarter’s release.

Composite samples have been sent to LightDeepEarth in Pretoria for QEMSCAN mineralogy, with results expected in November. Assays from more recent holes are also pending, while Chilwa plans an infill grid at roughly 80-to-100-metre spacing. The target’s earlier niobium and rare earths potential was outlined alongside the maiden Nakombe exploration target, but the next valuation-sensitive step is a compliant resource estimate rather than another conceptual tonnage range.

Scoping Study and clay tests set the next milestones

TZ Minerals International continued the first mineral sands Scoping Study across Chilwa’s Measured and Indicated resources, with completion expected in the December 2026 quarter alongside a Technical Report Summary required for the company’s US reporting framework. Metallurgical work on Mpyupyu Dune and Flats has progressed to separating magnetic and non-magnetic products, with recovery and product-quality data still to come.

ANSTO also tested 22 Mposa basal-clay samples using ammonium sulphate leaching, while five deeper sonic holes beneath Mpyupyu were drilled to examine the clay profile below the heavy mineral sands. A subset with elevated dysprosium and yttrium has moved to more aggressive acid-leach testing. These programmes broaden the project’s critical-minerals proposition, but they also leave Chilwa with several technical gates to clear before development economics can be judged.

Funding improves, while dilution and delivery remain live issues

The Nasdaq offering issued 625,000 American Depositary Shares at US$5.60 each, with each ADS representing 10 ordinary shares and carrying a five-year warrant at the same exercise price. Including the partial over-allotment exercise, total gross proceeds from the US offering reached approximately US$3.82 million, or A$5.45 million at the company’s stated conversion. The capital structure now includes 104.9 million ordinary shares, alongside 656,250 unlisted ADS warrants and 25.25 million performance rights.

Chilwa says the IPO proceeds support continued operations and that exploration spending can be managed according to available funding. The remaining over-allotment option expires on 16 November, while the AGM on 27 November includes resolutions connected with ratifying the Nasdaq securities and restoring additional equity-raising capacity. The immediate question is no longer whether the company can fund the next round of drilling, but how efficiently that cash can convert into assays, a Scoping Study and resource estimates before another financing decision becomes necessary.