METALSGROVE MINING LTD — Share Issue/Capital Change 2025

Dec 17, 2025

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18 December 2025

Market Announcement Office Australia Securities Exchange Level 40, Central Park 152-158 St Georges Terrace PERTH WA 6000

Notification under section 708A(5)(e) of the Corporations Act 2001 (Cth)

MetalsGrove Mining Limited ( ASX: MGA or the Company ) advises that on 18 December 2025 the Company issued 26,355,000 fully paid ordinary shares ( Shares ) under tranche 1 of the placement announced on 11 December 2025.

The issue of Shares was undertaken pursuant to ASX Listing Rules 7.1 and 7.1A.

The Company gives notice pursuant to sections 708A(5)(e) and 708A(6) of the Corporations Act 2001 (Cth) ( Corporations Act ) that:

1. the Company issued the Shares without disclosure under Part 6D.2 of the Corporations Act;

2. this notice is being given under section 708A(5)(e) of the Corporations Act;

3. as at the date of this notice, the Company has complied with:

   • (1) the provisions of Chapter 2M of the Corporations Act as they apply to the Company; and

   • (2) section 674 and section 674A of the Corporations Act; and

4. as at the date of this notice there is no information to be disclosed which is excluded information (as defined in section 708A(7) and 708A(8) of the Corporations Act) that is reasonable for investors and their professional advisers to expect to find in a disclosure document.

An Appendix 2A for the quotation of the Shares has been released today.

Approved for release by the Managing Director

Rebecca Broughton

Company Secretary