Announcement PDF ABN: 80 645 666 164 Kalgoorlie Gold Mining Limited Registered and Business Office Office 2, 1209 Hay St West Perth WA 6005 Australia Tel: +61 8 6002 2700 Email: info@kalgoldmining.com.au 24 September 2026 Dear Shareholder Notice to Ineligible Shareholders of Non-Renounceable Entitlement Offer We write to you as the registered holder of fully paid ordinary shares (Shares) in the capital of Kalgoorlie Gold Mining Limited (ACN 645 666 164) (ASX: KAL) (Company). On 14 September 2026, the Company announced a $3.4 million capital raising comprising a placement of new Shares to institutional and sophisticated investors to raise approximately $2.3 million, together with a fully underwritten pro rata non-renounceable entitlement offer of new Shares to eligible shareholders at an issue price of $0.02 per Share (New Share), on the basis of 1 New Share for every 10 Shares held as at 7:00pm (AEST) on 21 September 2026 (Record Date) to raise approximately $1.1 million (before costs) (Entitlement Offer). The Entitlement Offer is being made pursuant to section 708AA of the Corporations Act 2001 (Cth) (as modified by ASIC Corporations (Non-Traditional Rights Issues) Instrument 2026/98 and ASIC Corporations (Disregarding Technical Relief) Instrument 2026/180), which allows the Entitlement Offer to be made without a prospectus. An investor presentation in relation to the Entitlement Offer was lodged with the ASX on 15 September 2026, and an information booklet in relation to the Entitlement Offer is expected to be lodged with the ASX and despatched to Eligible Shareholders (as defined below) on 24 September 2026 (Offer Booklet). Capitalised terms used, but not defined, in this letter have the meaning ascribed to them in the Offer Booklet. Eligibility criteria for Entitlement Offer Shareholders who are eligible to participate in the Entitlement Offer (Eligible Shareholders) are shareholders who: • were registered as a holder of Shares in the Company as at 7:00pm (AEST) on the Record Date; • as at the Record Date, had a registered address on the Company's share register that is in Australia or New Zealand, or are a shareholder that the Company has otherwise determined as eligible to participate (subject to the requirements outlined in the Offer Booklet); and • are eligible under all applicable securities laws to receive an offer under the Entitlement Offer. Pursuant to section 9A(3)(a) of the Corporations Act 2001 (Cth) (Corporations Act) and ASX Listing Rule 7.7.1(a), the Company has determined that it is unreasonable on this occasion to extend the ABN: 80 645 666 164 Kalgoorlie Gold Mining Limited Registered and Business Office Office 2, 1209 Hay St West Perth WA 6005 Australia Tel: +61 8 6002 2700 Email: info@kalgoldmining.com.au Entitlement Offer to shareholders with a registered address outside of the jurisdictions described above (Ineligible Shareholders), having regard to the small number of Ineligible Shareholders, the relatively small number and value of Shares that would be issued to the Ineligible Shareholders under the Entitlement Offer and the costs of complying with the legal and regulatory requirements in each such jurisdiction. As you do not satisfy the criteria above, you are deemed to be an Ineligible Shareholder for the purposes of the Entitlement Offer. Accordingly, in compliance with section 9A(3) of the Corporations Act and ASX Listing Rule 7.7.1(b), the Company wishes to inform you that it is unfortunately unable to extend to you the opportunity to participate in the Entitlement Offer. You will not be sent documents relating to the Entitlement Offer or be able to subscribe for New Shares under the Entitlement Offer. You are not required to do anything in response to this notice. This notice is to inform you about the Entitlement Offer. The Entitlement Offer is non-renounceable and therefore the entitlements that you would have been entitled to, or the underlying New Shares that you may have subscribed for, will not be offered for sale and no amount will be payable to you. This notice is not an offer to issue New Shares to you, nor an invitation for you to apply for New Shares. You are not required to do anything in response to this notice. On behalf of the Board and management of the Company, we regret that you are not eligible to participate in the Entitlement Offer but thank you for your continued support. Further details Details of the Entitlement Offer are contained in the Offer Booklet. The Offer Booklet can be accessed from the ASX and Company websites, www.asx.com.au and https://www.kalgoldmining.com.au/ respectively. For further information on the Entitlement Offer, you may contact Automic on 1300 288 664 (within Australia), or +61 2 9698 5414 (international) between 8:30 am and 7:00pm (Sydney time) Monday to Friday during the Entitlement Offer. If you have any further questions, you should contact your stockbroker, solicitor, accountant or other professional adviser. Yours sincerely Graeme Smith Company Secretary Kalgoorlie Gold Mining Limited