Announcement PDF ASX ANNOUNCEMENT 12 SEPTEMBER 2025 SECONDARY TRADING NOTICE This notice is given by Red Mountain Mining Limited (RMX or the, Company) for the issue of 12,620,545 fully paid ordinary shares (New Shares) via the conversion of convertible notes. The Company issued New Shares without disclosure to investors under section 708A(5) of the Corporations Act 2001 (Cth) (Corporations Act). Details of the securities issued Class of securities Fully Paid Ordinary Shares ASX code of the securities RMX Date of issue 12 September 2025 Total number of securities issued 12,620,545 Secondary Trading Notice Pursuant to Section 708A(5)(e) of the Corporations Act 2001 (Act) The Act restricts the on-sale of securities issued without disclosure, unless the sale is exempt under section 708 or 708A of the Act. By giving this notice, a sale of the New Shares noted above will fall within the exemption in section 708A(5) of the Act. Pursuant to sections 708A(5)(e) and 708A(6) of the Act, the Issuer gives notice that: a) the New Shares were issued without disclosure to investors under Part 6D.2 of the Act; b) as at the date of this notice, the Issuer has complied with: I. the provisions of Chapter 2M of the Act, as they apply to the Issuer; and II. section 674 of the Act; and c) as at the date of this notice, other than as set out below, there is no information that is ‘excluded information’ within the meanings of section 708A(7) and 708A(8) Authorised by the Board, Mauro Piccini Company Secretary ASX: RMX investorhub.redmountainmining.com.au info@redmountainmining.com.au Red Mountain Mining Ltd ACN 119 568 106 JOIN THE RED MOUNTAIN MINING INVESTOR HUB Visit https://investorhub.redmountainmining.com.au for access to the Investor Hub RED MOUNTAIN MINING LTD ASX: RMX 2