ST GEORGE MINING LIMITED — Share Issue/Capital Change 2025

Nov 4, 2025

ASX RELEASE.

5 November 2025

NOTICE TO HOLDERS OF LISTED OPTIONS EXERCISABLE AT $0.10 ON OR BEFORE 13 DECEMBER 2025 (“EXPIRING OPTIONS”)

We write to you as a registered holder of Expiring Options. These options entitle you to acquire ordinary fully paid shares in St George Mining Limited ( Company ). Each option held is for the acquisition of one fully paid share in the issued capital of the Company, and the exercise price is $0.10 per share.

You are formally advised that these options will expire at 5:00 pm Western Standard Time (WST) on 13 December 2025 , and official quotation of these options on the Australian Securities Exchange ( ASX ) will cease at close of trading on 9 December 2025.

The Expiring Options may be exercised in whole or in part in accordance with the instructions set out in the Notice of Exercise overleaf. Payments must be made by BPAY and in Australian dollars by no later than 5:00 pm (WST) on 13 December 2025 .

Please note a Notice of Exercise is only effective when the Company has received payment in full for the quantity of shares being applied for in cleared funds. Payment may only be made via BPAY, and you will not need to return the completed Notice of Exercise. You will be taken to have exercised as many of your Options as the funds received via BPAY will pay for.

If payment in cleared funds is not received by Computershare Investor Services Pty Limited on or before 5:00 pm WST on 13 December 2025, the Expiring Options will not be exercised and will result in forfeiture of any rights that you as an optionholder may have had in relation to the option over ordinary shares.

Pursuant to Listing Rule 6.24 and Appendix 6A, item 5 of the ASX Listing Rules, the Company provides the information contained in this notice.

Market (Closing) Prices of Shares

The latest available market (closing) price of shares in the Company on the ASX was $0.105 on 4 November 2025, being the last trading day prior to the date of this notice.

During the three months preceding the date of this notice, the highest market (closing) price of shares in the Company on the ASX was $0.165 on 16 October 2025 and the lowest market (closing) price of shares in the Company on the ASX was $0.036 on 7 August 2025.

How to Exercise your Options

If you wish to exercise your options, please make your payment via BPAY in accordance with the instruction set out in the Notice of Exercise. Payments must be in Australian dollars.

ST GEORGE MINING LIMITED ACN 139 308 973 Suite 2, Level 2, 28 Ord Street West Perth WA 6005 | PO Box 100 West Perth WA 6872 www.stgeorgemining.com.au | Phone +61 8 6118 2118

ASX RELEASE. Page 2 of 2

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If you have any enquiries concerning this Notice or your option holding, please contact the Company Secretary, Sarah Shipway on + 618 6118 2118 or via email at sarah.shipway@stgm.com.au, Monday to Friday (excluding public holidays) between 8:30 am and 5:30 pm (WST).

This announcement has been authorised for release by the Board of St George Mining Limited.

Yours faithfully

John Prineas Executive Chairman St George Mining Limited

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Enquiries:

Contact the Company Secretary, Sarah Shipway Phone : + 618 6118 2118, Monday to Friday (excluding public holidays) between 8:30 am and 5:30 pm (WST)

Email: sarah.shipway@stgm.com.au

SGQ

MR SAM SAMPLE 123 SAMPLE STREET SAMPLETOWN VIC 3000

X 9999999991 I ND

• For your security keep your SRN/HIN confidential

Entitlement No: 12345678

Listed Options exercisable at $0.10 per Option expiring on 13 December 2025

This is an important document that requires your immediate attention. It can only be used in relation to the optionholding represented by the details printed overleaf. If you are in doubt about how to deal with this form, please contact your financial or other professional adviser.

Your optionholding may be exercised in whole or in part by payment of $0.10 for each option by no later than 5.00pm (AEDT) on 13 December 2025 ( Expiry Date ). If payment is not received by no later than 5:00pm (AEDT) on the Expiry Date, the options will lapse and all rights under the options will cease at that time. On exercise, each SGQO option entitles the optionholder to receive one Ordinary Fully Paid Share in the Company.

Registration & Offer Details

Option Expiry Date:

Your payment must be received by 5.00pm (AEDT) 13 December 2025

Options Registered as at:

5:00pm (AEDT) 3 November 2025

Details of your optionholding and the Offer are shown on this form.

Update your address via www.investorcentre.com if any of the details are incorrect or contact your sponsoring participant if you have a CHESS sponsored holding.

Make Your Payment

Enter details below and retain for your records. You do not need to return this form when making payment by BPAY . If you are unable to pay via BPAY , please refer to the contact information at the top of this form to obtain alternative payment instructions.

Neither Computershare Investor Services Pty Limited ( Computershare ) nor St George Mining Limited accepts any responsibility for loss incurred through incorrectly completed BPAY payments. It is the responsibility of the applicant to ensure that funds submitted through BPAY are received by the closing date. Eligible Optionholders should use the reference number shown when making a BPAY payment.

Make Your Payment:

Contact your financial institution to make your payment.

Biller Code: 999999 Ref No: 1234 5678 9123 4567 89

Details of your Entitlement:

Privacy Notice

Your personal information is collected by Computershare, as registrar for the securities issuer (the issuer ), for the purpose of maintaining registers of securityholders, facilitating distribution payments and other corporate actions and communications. In addition, the issuer may authorise us on their behalf to send you marketing material or include such material in a corporate communication. You may elect not to receive marketing material by contacting Computershare using the details provided above or emailing privacy@computershare.com.au. We may be required to collect your personal information under the Corporations Act 2001 (Cth) and ASX Settlement Operating Rules. We may disclose your personal information to our related bodies corporate and to other individuals or companies who assist us in supplying our services or who perform functions on our behalf, to the issuer for whom we maintain securities registers or to third parties upon direction by the issuer where related to the issuer’s administration of your securityholding, or as otherwise required or authorised by law. Some of these recipients may be located outside Australia, including in the following countries: Canada, India, New Zealand, the Philippines, the United Kingdom and the United States of America. For further details, including how to access and correct your personal information, and information on our privacy complaints handling procedure, please contact our Privacy Officer at privacy@computershare.com.au or see our Privacy Policy at www.computershare.com/au/privacy-policies.

Number of Options registered in your name as at 5 November 2025:

Number of Ordinary Fully Paid Shares to be issued on full exercise:

Amount payable on full exercise of Options at $0.10 per Option:

Options taken up:

Amount paid at $0.10 per Option Exercised: A$ .

® Registered to BPAY Pty Limited ABN 69 079 137 518

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