Announcement PDF Appendix 3B - Proposed issue of securities Appendix 3B - Proposed issue of securities 1 / 6 Announcement Summary Entity name DUNDAS MINERALS LIMITED Announcement Type New announcement Date of this announcement 14/10/2026 The Proposed issue is: Total number of +securities proposed to be issued for a placement or other type of issue ASX +security code +Security description Maximum Number of +securities to be issued New class-code to be confirmed Unlisted Options exercisable at $0.075 each, expiring 3 years from the date of issue 10,000,000 DUN ORDINARY FULLY PAID 63,978,511 Proposed +issue date 23/10/2026 Refer to next page for full details of the announcement A placement or other type of issue Appendix 3B - Proposed issue of securities Appendix 3B - Proposed issue of securities 2 / 6 Part 1 - Entity and announcement details 1.1 Name of +Entity DUNDAS MINERALS LIMITED We (the entity named above) give ASX the following information about a proposed issue of +securities and, if ASX agrees to +quote any of the +securities (including any rights) on a +deferred settlement basis, we agree to the matters set out in Appendix 3B of the ASX Listing Rules. If the +securities are being offered under a +disclosure document or +PDS and are intended to be quoted on ASX, we also apply for quotation of all of the +securities that may be issued under the +disclosure document or +PDS on the terms set out in Appendix 2A of the ASX Listing Rules (on the understanding that once the final number of +securities issued under the +disclosure document or +PDS is known, in accordance with Listing Rule 3.10.3C, we will complete and lodge with ASX an Appendix 2A online form notifying ASX of their issue and applying for their quotation). 1.2 Registered Number Type ACN Registration Number 640432819 1.3 ASX issuer code DUN 1.4 The announcement is 1.5 Date of this announcement 14/10/2026 1.6 The Proposed issue is: A placement or other type of issue New announcement Appendix 3B - Proposed issue of securities Appendix 3B - Proposed issue of securities 3 / 6 Part 7 - Details of proposed placement or other issue Part 7A - Conditions 7A.1 Do any external approvals need to be obtained or other conditions satisfied before the placement or other type of issue can proceed on an unconditional basis? 7A.1a Conditions Approval/Condition +Security holder approval Date for determination 9/12/2026 Is the date estimated or actual? ** Approval received/condition met? Comments Tranche 2 totaling 5,222,216 Placement shares and 10,000,000 unlisted Broker Options Part 7B - Issue details Is the proposed security a 'New class' (+securities in a class that is not yet quoted or recorded by ASX) or an 'Existing class' (additional securities in a class that is already quoted or recorded by ASX)? Will the proposed issue of this +security include an offer of attaching +securities? Details of +securities proposed to be issued ASX +security code and description DUN : ORDINARY FULLY PAID Number of +securities proposed to be issued 63,978,511 Offer price details Are the +securities proposed to be issued being issued for a cash consideration? In what currency is the cash consideration being paid? AUD - Australian Dollar What is the issue price per +security? AUD 0.04500 Will these +securities rank equally in all respects from their issue date with the existing issued +securities in that class? Yes Yes No Existing class Estimated Yes Appendix 3B - Proposed issue of securities Appendix 3B - Proposed issue of securities 4 / 6 Is the proposed security a 'New class' (+securities in a class that is not yet quoted or recorded by ASX) or an 'Existing class' (additional securities in a class that is already quoted or recorded by ASX)? Will the proposed issue of this +security include an offer of attaching +securities? Details of +securities proposed to be issued ISIN Code (if Issuer is a foreign company and +securities do not have +CDIs issued over them) Have you received confirmation from ASX that the terms of the proposed +securities are appropriate and equitable under listing rule 6.1? Will the entity be seeking quotation of the 'new' class of +securities on ASX? ASX +security code New class-code to be confirmed +Security description Unlisted Options exercisable at $0.075 each, expiring 3 years from the date of issue +Security type Options Number of +securities proposed to be issued 10,000,000 Offer price details Are the +securities proposed to be issued being issued for a cash consideration? In what currency is the cash consideration being paid? AUD - Australian Dollar What is the issue price per +security? AUD 0.00010 Will all the +securities issued in this class rank equally in all respects from their issue date? Options details +Security currency AUD - Australian Dollar Exercise price AUD 0.0750 Expiry date Details of the type of +security that will be issued if the option is exercised DUN : ORDINARY FULLY PAID Yes Yes No No No New class Appendix 3B - Proposed issue of securities Appendix 3B - Proposed issue of securities 5 / 6 Number of securities that will be issued if the option is exercised Each Option will convert into 1 fully paid ordinary shares upon exercise Please provide a URL link for a document lodged with ASX setting out the material terms of the +securities proposed to be issued or provide the information by separate announcement. Refer to DUN ASX announcement dated 14 October 2026 Part 7C - Timetable 7C.1 Proposed +issue date 23/10/2026 Part 7D - Listing Rule requirements 7D.1 Has the entity obtained, or is it obtaining, +security holder approval for the entire issue under listing rule 7.1? 7D.1b Are any of the +securities proposed to be issued without +security holder approval using the entity's 15% placement capacity under listing rule 7.1? 7D.1b ( i ) How many +securities are proposed to be issued without security holder approval using the entity's 15% placement capacity under listing rule 7.1? 35,253,777 Tranche 1 Placement Shares 7D.1c Are any of the +securities proposed to be issued without +security holder approval using the entity's additional 10% placement capacity under listing rule 7.1A (if applicable)? 7D.1c ( i ) How many +securities are proposed to be issued without +security holder approval using the entity's additional 10% placement capacity under listing rule 7.1A? 23,502,518 Tranche 1 Placement Shares 7D.1c ( ii ) Please explain why the entity has chosen to do a placement rather than a +pro rata issue or an offer under a +security purchase plan in which existing ordinary +security holders would have been eligible to participate Most efficient mechanism for raising funds at the time 7D.2 Is a party referred to in listing rule 10.11 participating in the proposed issue? 7D.3 Will any of the +securities to be issued be +restricted securities for the purposes of the listing rules? 7D.4 Will any of the +securities to be issued be subject to +voluntary escrow? Part 7E - Fees and expenses 7E.1 Will there be a lead manager or broker to the proposed issue? 7E.1a Who is the lead manager/broker? Taurus Capital Group Pty Ltd Yes No No Yes Yes Yes No Appendix 3B - Proposed issue of securities Appendix 3B - Proposed issue of securities 6 / 6 7E.1b What fee, commission or other consideration is payable to them for acting as lead manager/broker? 6% of the funds raised (plus GST) and 10,000,000 unlisted broker options exercisable at $0.075 each and expiring 3 years from the date of issue. Broker options are subject to shareholder approval at upcoming General Meeting of shareholders. 7E.2 Is the proposed issue to be underwritten? 7E.4 Details of any other material fees or costs to be incurred by the entity in connection with the proposed issue Part 7F - Further Information 7F.01 The purpose(s) for which the entity is issuing the securities Advancing exploration and development at Company's Kalgoorlie Gold Projects and the Romano Gold Project and general working capital. 7F.1 Will the entity be changing its dividend/distribution policy if the proposed issue proceeds? 7F.2 Any other information the entity wishes to provide about the proposed issue Refer to DUN ASX announcement dated 14 October 2026 for more details. 7F.3 Any on-sale of the +securities proposed to be issued within 12 months of their date of issue will comply with the secondary sale provisions in sections 707(3) and 1012C(6) of the Corporations Act by virtue of: The publication of a cleansing notice under section 708A(5), 708AA(2)(f), 1012DA(5) or 1012DAA(2)(f) No No