CASTILE RESOURCES LTD — Capital/Financing Update 2026

Feb 9, 2026

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Not for release to US wire servers or distribution in the United States

10 February 2026

Castile Resources Successfully Raises A$8.4m to Advance Rover 1 Towards Development

Castile Resources Limited ( ASX:CST ) ( Castile or the Company ) is pleased to advise that the Company has received firm commitments from institutional, professional and sophisticated investors to raise approximately A$8.4m ( Placement ) by issuing 76.4m fully paid ordinary shares at A$0.11 per share.

Additionally, board and management of the Company will participate in the Placement for a further A$0.12m ( Director Placement ), subject to shareholder approval at a forthcoming Extraordinary General Meeting ( EGM ).

Placement proceeds will be used primarily for the following:

• fast-track and completion of the Rover 1 Bankable Feasibility Study ( BFS ) by June 2026, including the pilot plant and geotechnical analysis;

• exploration drilling to commence in April 2026 on targets generated by Ambient Noise Tomography (ANT) surveys in the Rover Mineral Field; and

• general working capital requirements and costs of the Placement.

Mark Hepburn, Executive Chairman of Castile Resources commented:

“The Board of Castile is extremely pleased with the strong response from existing shareholders, and we welcome the new institutions and private investors that have now joined the register.

“We will be using these funds to fast track and execute our clear strategy of developing the Rover 1 Project. Our BFS will be completed by June 2026 and now incorporates additional material from the recent 41% uplift in our Mineral Resource Estimate and the surge in gold, copper, bismuth and cobalt prices over the past twelve months. We look forward to presenting the outcomes of the BFS to investors later this year.

“We will be drilling exploration targets generated with our exciting new ANT technology near the infrastructure we plan to develop so we have a huge six months of news flow to come for our shareholders.”

Placement Details

Firm commitments received under the Placement to institutional and sophisticated investors raising ~A$8.4 million (before costs) from the issue of 76.4 million new fully paid ordinary shares ( New Shares ) at an offer price of A$0.11 per share ( Offer Price ).

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New Shares issued under the Placement will utilise the Company’s available capacity under ASX Listing Rule 7.1 and 7.1A capacity comprised of the following:

• 45,770,597 New Shares pursuant to Listing Rule 7.1; and

• 30,574,858 New Shares issued pursuant to Listing Rule 7.1A.

New Shares issued under the Placement will rank equally with existing fully paid ordinary shares of the Company.

The Offer Price represents a 15.6% discount to the last closing price on Thursday, 5 February 2026 and a 14.7% discount to the 5-day VWAP.

Canaccord Genuity (Australia) Limited and Blue Ocean Equities Pty Limited are acting as Joint Lead Managers and bookrunners to the Placement.

This announcement has been authorised by the board of Castile Resources Limited.

For further information please contact:

Sebastian Andre Company Secretary info@castile.com.au

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