De Grey stock gains on fresh Mallina gold project update

Published on 09/18/2026 at 16:01 | Editorial responsibility: Rafael Müller, Editor-in-Chief AD HOC NEWS

De Grey stock reacted to a September 17, 2026 project update on the Mallina gold development, with investors focusing on capital cost estimates and production plans. The shares also reflect the latest resource figures and funding outlook for the Western Australia project.

De Grey, AU000000DEG6, Illustration mit AI erstellt.

De Grey Mining Ltd (ISIN AU000000DEG6) stock is trading in the wake of a fresh update on the Mallina gold project in Western Australia, with investors weighing the latest capital cost estimates and production plans as of September 17, 2026. The update reinforces the scale of the planned operation and its potential impact on future cash flow once production starts.

Mallina project update shapes expectations

According to De Grey Mining, the Mallina gold project study work points to a large-scale open pit operation designed around a substantial gold resource base, with feasibility work focused on optimising throughput, capital intensity and unit operating costs in 2026. The company outlines capital costs in the hundreds of millions of Australian dollars for processing infrastructure, mining equipment and associated facilities for the project period ending in 2026, highlighting the importance of funding structure and timing for shareholders.

In the same investor information, De Grey Mining indicates that its gold resources at Mallina support a multi-year production profile with annual output targeted in the hundreds of thousands of ounces, giving a clear operational framework for revenue potential once production commences for the project study period that runs through 2026. For investors, the combination of higher planned output and the capital intensity of the development is central to judging long term value creation.

Recent results and guidance underpin valuation

According to De Grey Mining, the most recent financial reporting for the period to June 30, 2026 showed ongoing expenditure on exploration and project evaluation rather than operating revenue, reflecting the company’s status as a developer rather than a producer in the latest half year. The company’s guidance for 2026 emphasises disciplined spending on drilling, engineering studies and approvals to keep the project on track, with cash on hand positioned to fund planned work for the current year.

As De Grey Mining reports, its capital structure as of the latest half year includes equity raised in prior periods and no material long term debt, leaving room for future financing decisions tied to Mallina development. This funding position means that any shift in capital cost estimates or schedule can feed directly into expectations about additional equity or debt raising and potential dilution.

Stock price reflects project risk and upside

On the Australian Securities Exchange, De Grey Mining stock most recently closed at a price level in Australian dollars that reflects a market capitalisation in the hundreds of millions as of September 17, 2026, with the shares trading between a 52 week low and high consistent with the broader volatility in gold developers. The latest closing price stands clearly above the 52 week low while remaining below the 52 week high, underlining that the market prices in both project risk and the upside tied to successful development.