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 29/9/2026 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 Director Performance Rights 10,500,000 DUN ORDINARY FULLY PAID 9,116,094 Proposed +issue date 29/10/2026 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 29/9/2026 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 29/10/2026 Is the date estimated or actual? ** Approval received/condition met? Comments Deferred Consideration shares for Romano Project granted tenements, 10,500,000 Performance Rights to Directors, subject to shareholder approval at AGM 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 9,116,094 Offer price details Are the +securities proposed to be issued being issued for a cash consideration? Please describe the consideration being provided for the +securities On grant of each application tenement, deferred consideration of $150,000 worth of DUN shares for 80% earn-in interest into Romano Project tenements No No Existing class Actual Yes Appendix 3B - Proposed issue of securities Appendix 3B - Proposed issue of securities 4 / 6 Please provide an estimate of the AUD equivalent of the consideration being provided for the +securities 450,000.000000 Will these +securities rank equally in all respects from their issue date with the existing issued +securities in that class? 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 Director Performance Rights +Security type Performance options/rights Number of +securities proposed to be issued 10,500,000 Offer price details Are the +securities proposed to be issued being issued for a cash consideration? Please describe the consideration being provided for the +securities The purpose of the issue is to provide a performance linked incentive component in the remuneration package for Directors as described in the Notice of Annual General Meeting (lodged with the ASX on 29 September 2026) Please provide an estimate of the AUD equivalent of the consideration being provided for the +securities 430,500.000000 Will all the +securities issued in this class rank equally in all respects from their issue date? Yes No No No No New class Yes Appendix 3B - Proposed issue of securities Appendix 3B - Proposed issue of securities 5 / 6 Performance options/rights details +Security currency AUD - Australian Dollar Exercise price AUD 0.0000 Expiry date 29/10/2030 Details of the type of +security that will be issued if the option is exercised DUN : ORDINARY FULLY PAID Number of securities that will be issued if the option is exercised 10,500,000 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 Schedule 3 of the Notice of Annual General Meeting (lodged with the ASX on 29 September 2026) Part 7C - Timetable 7C.1 Proposed +issue date 29/10/2026 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.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.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.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 No No No No Yes No No No Appendix 3B - Proposed issue of securities Appendix 3B - Proposed issue of securities 6 / 6 Part 7F - Further Information 7F.01 The purpose(s) for which the entity is issuing the securities Deferred Consideration shares for Romano Project granted tenements, 10,500,000 Performance Rights to Directors to provide a performance linked incentive component in the remuneration package for Directors 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 Further details in respect of proposed securities to be issued are set out in the Notice of Annual General Meeting. Refer to ASX announcement on 29 September 2026. 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