Announcement PDF Appendix 3B - Proposed issue of securities Appendix 3B - Proposed issue of securities 1 / 8 Update Summary Entity name IMPACT MINERALS LIMITED Announcement Type Update to previous announcement Date of this announcement 4/9/2026 Reason for update to a previous announcement Update to the timetable for the Renounceable Rights Issue Refer to next page for full details of the announcement Appendix 3B - Proposed issue of securities Appendix 3B - Proposed issue of securities 2 / 8 Part 1 - Entity and announcement details 1.1 Name of +Entity IMPACT 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 119062261 1.3 ASX issuer code IPT 1.4 The announcement is 1.4a Reason for update to a previous announcement Update to the timetable for the Renounceable Rights Issue 1.4b Date of previous announcement to this update 17/8/2026 1.5 Date of this announcement 4/9/2026 1.6 The Proposed issue is: 1.6a The proposed standard +pro rata issue is: + Renounceable A standard +pro rata issue (non-renounceable or renounceable) Update/amendment to previous announcement Appendix 3B - Proposed issue of securities Appendix 3B - Proposed issue of securities 3 / 8 Part 3 - Details of proposed entitlement offer issue Part 3A - Conditions 3A.1 Do any external approvals need to be obtained or other conditions satisfied before the entitlement offer can proceed on an unconditional basis? Part 3B - Offer details +Class or classes of +securities that will participate in the proposed issue and +class or classes of +securities proposed to be issued ASX +security code and description IPT : ORDINARY FULLY PAID 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? If the entity has quoted company options, do the terms entitle option holders to participate on exercise? Details of +securities proposed to be issued ASX +security code and description IPT : ORDINARY FULLY PAID ISIN Code (if Issuer is a foreign company and +securities do not have +CDIs issued over them) ISIN Code for the tradable rights created under a renounceable right issue (if Issuer is foreign company and +securities do not have +CDIs issued over them) Offer ratio (ratio to existing holdings at which the proposed +securities will be issued) The quantity of additional +securities to be issued 1 For a given quantity of +securities held 4 No Yes Existing class No Appendix 3B - Proposed issue of securities Appendix 3B - Proposed issue of securities 4 / 8 What will be done with fractional entitlements? Fractions rounded up to the next whole number Maximum number of +securities proposed to be issued (subject to rounding) 129,195,949 Offer price details for retail security holders In what currency will the offer be made? AUD - Australian Dollar What is the offer price per +security for the retail offer? AUD 0.03200 Oversubscription & Scale back details Will individual +security holders be permitted to apply for more than their entitlement (i.e. to over-subscribe)? Describe the limits on over-subscription Refer to section 2.2 of the Prospectus Will a scale back be applied if the offer is over-subscribed? Describe the scale back arrangements Refer to section 2.2 of the Prospectus Will these +securities rank equally in all respects from their issue date with the existing issued +securities in that class? Attaching +Security Is the proposed attaching 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)? Attaching +Security - New class (+securities in a class that is not yet quoted or recorded by ASX) Details of attaching +securities proposed to be issued ISIN Code (if Issuer is a foreign company and +securities do not have +CDIs issued over them) ISIN Code for the tradable rights created under a renounceable right issue (if Issuer is 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? New class Yes Yes Yes Appendix 3B - Proposed issue of securities Appendix 3B - Proposed issue of securities 5 / 8 ASX +security code New class-code to be confirmed +Security description Quoted Option +Security type Options Offer ratio (ratio of attaching securities at which the new +securities will be issued) The quantity of attaching +securities to be issued 2 For a given quantity of the new +securities issued 3 What will be done with fractional entitlements? Fractions rounded up to the next whole number Maximum number of +securities proposed to be issued (subject to rounding) 86,130,633 Offer price details for retail security holders In what currency will the offer be made? AUD - Australian Dollar What is the offer price per +security for the retail offer? AUD 0.00000 Oversubscription & Scale back details Will individual +security holders be permitted to apply for more than their entitlement (i.e. to over-subscribe)? Describe the limits on over-subscription Refer to section 2.2 of the Prospectus Will a scale back be applied if the offer is over-subscribed? Describe the scale back arrangements Refer to section 2.2 of the Prospectus 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 0.0600 Expiry date Details of the type of +security that will be issued if the option is exercised IPT : ORDINARY FULLY PAID Number of securities that will be issued if the option is exercised 1 fully paid ordinary share for every 1 option exercised. Yes Yes Yes Yes No Appendix 3B - Proposed issue of securities Appendix 3B - Proposed issue of securities 6 / 8 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. Please refer to the Prospectus lodged on 17 August 2026. Part 3C - Timetable 3C.1 +Record date 20/8/2026 3C.2 Ex date 19/8/2026 3C.3 Date rights trading commences 19/8/2026 3C.4 Record date 20/8/2026 3C.5 Date on which offer documents will be sent to +security holders entitled to participate in the +pro rata issue 25/8/2026 3C.6 Offer closing date 11/9/2026 3C.7 Last day to extend the offer closing date 8/9/2026 3C.8 Date rights trading ends 2/9/2026 3C.9 Trading in new +securities commences on a deferred settlement basis 3/9/2026 3C.11 +Issue date and last day for entity to announce results of +pro rata issue 18/9/2026 3C.12 Date trading starts on a normal T+2 basis 21/9/2026 3C.13 First settlement date of trades conducted on a +deferred settlement basis and on a normal T+2 basis 23/9/2026 Appendix 3B - Proposed issue of securities Appendix 3B - Proposed issue of securities 7 / 8 Part 3E - Fees and expenses 3E.1 Will there be a lead manager or broker to the proposed offer? 3E.1a Who is the lead manager/broker? Mahe Capital Pty Ltd 3E.1b What fee, commission or other consideration is payable to them for acting as lead manager/broker? Lead Manager fee of $60,000 entitled to subscribe for this fee under the Offers. 3E.2 Is the proposed offer to be underwritten? 3E.2a Who are the underwriter(s)? Mahe Capital Pty Ltd 3E.2b What is the extent of the underwriting (ie the amount or proportion of the offer that is underwritten)? Lead Manager has agreed to partially underwrite the Offers up to $1,500,000 (Underwritten Amount), representing a maximum of 46,875,000 New Shares and 31,250,000 New Options being 9.07% of the of the current Shares on issue as at the date of this Prospectus. 3E.2c What fees, commissions or other consideration are payable to them for acting as underwriter(s)? Please refer to section 7.1 (b) of the Prospectus for this disclosure. 3E.2d Please provide a summary of the significant events that could lead to the underwriting being terminated Please refer to section 7.1 (d) of the Prospectus for this disclosure. 3E.2e Is a party referred to in listing rule 10.11 underwriting or sub-underwriting the proposed offer? 3E.3 Will brokers who lodge acceptances or renunciations on behalf of eligible +security holders be paid a handling fee or commission? 3E.4 Details of any other material fees or costs to be incurred by the entity in connection with the proposed offer Please refer to section 2.7 of the Prospectus for this disclosure. Part 3F - Further Information 3F.1 The purpose(s) for which the entity intends to use the cash raised by the proposed issue Please refer to section 4.1 of the Prospectus for this disclosure. 3F.2 Will holdings on different registers or subregisters be aggregated for the purposes of determining entitlements to the issue? 3F.3 Will the entity be changing its dividend/distribution policy if the proposed issue is successful? 3F.4 Countries in which the entity has +security holders who will not be eligible to participate in the proposed issue Canada, Hong Kong, India, Panama, Papua New Guinea, Portugal, Samoa, South Africa, Switzerland, United Kingdom. 3F.5 Will the offer be made to eligible beneficiaries on whose behalf eligible nominees or custodians hold existing +securities 3F.6 URL on the entity's website where investors can download information about the proposed issue https://impactminerals.com.au/announcements 3F.7 Any other information the entity wishes to provide about the proposed issue No No No No No Yes Yes Appendix 3B - Proposed issue of securities Appendix 3B - Proposed issue of securities 8 / 8 3F.8 Will the offer of rights under the rights issue be made under a +disclosure document or product disclosure statement under Chapter 6D or Part 7.9 of the Corporations Act (as applicable)? 3F.9 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 +disclosure document or +PDS for the +securities proposed to be issued Yes