TURNSTONE RESOURCES LTD — Capital/Financing Update 2025

Jul 7, 2025

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8 July 2025

Dear Shareholder,

NOTICE TO ELIGIBLE SHAREHOLDERS OF SOUTH HARZ POTASH LIMITED PRO-RATA NON-RENOUNCEABLE ENTITLEMENT ISSUE

On 30 June 2025, South Harz lodged a pro-rata non-renounceable entitlement issue of one share for every three shares held by those shareholders registered at the record date, 5:00pm (AWST) Thursday, 3 July 2025 ( Record Date ) at an issue price of $0.003 per share to raise up to approximately $1,283,062 (before costs) ( Offer ). The Company will issue one free unlisted option for every two new Shares applied for under the Rights Issue at an exercise price of $0.006 per share with a 2-year expiry from the date of issue ( Option ).

The Prospectus pertaining to the Entitlement Offer ( Prospectus ) has been provided to the ASX and is available to view on the ASX website and the South Harz Potash Limited website at https://southharzpotash.com/investors/asxannouncements. Further details regarding the Entitlement Offer have also been announced to the ASX and are available on ASX’s website.

South Harz Potash Limited will not be printing/dispatching hard copies of the Prospectus or Entitlement and Acceptance Forms. Instead, an electronic copy of the Prospectus and your Entitlement and Acceptance Form is available and accessible by you (using your Securityholder Reference Number (SRN) or Holder Identification Number (HIN) from your latest Holding Statement, and your postcode) at the following link: https://investor.automic.com.au.

Shareholders should read the Prospectus in full prior to making an application under the Entitlement Offer. Your application under the Entitlement Offer must be made by making payment in accordance with the personalised payment instructions on your Entitlement and Acceptance Form which is available through the Automic online Investor Portal.

You do not need to return your Entitlement and Acceptance Form.

How to Access the Entitlement Offer:

1. ONLINE - The Entitlement Offer Prospectus and personalised Acceptance Form can be accessed via: https://investor.automic.com.au/#/home

2. PAPER - Request a paper copy of the Prospectus and the personalised Acceptance Form by contacting the Company’s Share Registry, Automic on 1300 288 664 (within Australia) or: +61 2 9698 5414 (outside Australia).

ABN: 64 153 414 852 ASX Code: SHP Frankfurt Code: A2DWXX

REGISTERED OFFICE U13, 6 -10 Douro Place West Perth, W.A. 6005

CONTACT DETAILS W: southharzpotash.com E: info@southharzpotash.com P: +61 (0) 408 447 493

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To download your personalised Acceptance Form, you have the following 3 choices:

I already have anonline account withthe Automic ShareRegistry		https://investor.automic.com.au Select: “Existing Users Sign In”Once you have successfully signed in, click on “Documents and Statements”.Download the Prospectus and Entitlement and Acceptance Form. Submit yourpayment using the payment details provided on your Entitlement and AcceptanceForm.Do not return your Entitlement and Acceptance Form.
I don’t have an onlineaccount with Automic– but wish to registerfor one		https://investor.automic.com.au/#/signup Select: South Harz Potash Limited from the dropdown list in the ISSUER field.Enter you holder number SRN/HIN (from your latest Holding Statement). EnterPostcode (Australia only) or Country of Residence (if not Australia). Tick box “I am nota robot”, then Next. Complete prompts on the next page to create your account.Once you have successfully signed in, click on “Documents and Statements”.Download the Prospectus and Entitlement and Acceptance Form. Submit yourpayment using the payment details provided on your Entitlement and AcceptanceForm.Do not return your Entitlement and Acceptance Form.
I don’t have an onlineaccount with Automic– but want to useAutomic for this Offeronly		https://investor.automic.com.au/#/loginsah Select South Harz Potash Limited from the dropdown list in the Company name orcode field.Enter your Holder Number (HIN /SRN) (from your latest Holding Statement). Enter yourPostcode (Australia only) or Country of Residence (if not Australia). Tick box “I am nota robot”, then Access.Once you have successfully signed in, click on “Documents and Statements”.Download the Prospectus and Entitlement and Acceptance Form. Submit yourpayment using the payment details provided on your Entitlement and AcceptanceForm.Do not return your Entitlement and Acceptance Form.

If you are unable to access https://investor.automic.com.au online, you can obtain a copy of the terms and conditions and your acceptance form – initially by calling Company’s Share Registry Automic on 1300 288 664 or emailing corporate.actions@automicgroup.com.au and asking them to mail a paper copy of the terms and conditions and your acceptance form to you free of charge. After your request has been acknowledged by Automic you will need to provide your SRN or HIN and postcode to complete this request. To accept an Offer using these paper copy documents, you will still need to make payment via BPay® or via Electronic Funds Transfer (EFT). For New Zealand shareholders please follow the instructions on your acceptance form to make payment via Electronic Funds Transfer (EFT).

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Timetable

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----- Start of picture text ----- Lodgement of Prospectus with ASIC and ASXMonday, 30 June 2025Lodgement of Appendix 3BEx date Wednesday, 2 July 2025Record Date Thursday, 3 July 2025Offer opening date, Prospectus sent out to Shareholders and CompanyTuesday, 8 July 2025announces this has been completedLast day to extend the Closing Date Tuesday, 22 July 2025Closing Date as at 5:00pm AWST* Friday, 25 July 2025Securities quoted on a deferred settlement basis Monday, 28 July 2025ASX notified of under subscription Thursday, 31 July 2025Issue date and lodgement of Appendix 2A with ASX applying for quotation ofThursday, 31 July 2025the SharesTrading commences for Rights Issue Shares** Friday, 1 August 2025----- End of picture text -----

*The Directors may extend the Closing Date by giving at least 3 Business Days’ notice to ASX prior to the Closing Date. **Accordingly, the date the Shares are expected to commence trading on ASX may vary.

The Entitlement Offer closes at 5:00 pm (AWST time) on Thursday, 25 July 2025.

These dates are indicative only and subject to change. South Harz Potash Limited reserves the right to change any date including to extend the closing date of the Entitlement Offer, to close the Entitlement Offer early, to accept late acceptances either generally or in particular cases, or to withdraw or reduce the size of the Entitlement Offer without notice. Any extension of the closing date will have a consequential effect on the issue date of new shares.

If you have any questions about the Entitlement Offer, please contact our Company Secretary Graeme Smith. For any other registry related matters please contact South Harz Potash Limited’s share registry Automic by phone via 1300 288 664 (within Australia), or +61 2 9698 5414 (international) or email at hello@automicgroup.com.au between 8:30 am and 5:00pm (AEST time) Monday to Friday.

Yours faithfully,

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Len Jubber Executive Chair

South Harz Potash Limited

Elect to receive communications electronically

You have received this letter by post, as you have not provided your email address or elected to receive all communications electronically. We encourage you to elect to receive shareholder communications electronically, to update your communication preference scan the QR code to visit https://investor.automic.com.au

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Privacy Collection Statement : Automic Pty Ltd (ACN 152 260 814) trading as Automic Group (“Automic”, “we”) collects personal information about you (such as your name, address, contact details, and details of the securities you hold) as permitted by the Corporations Act (Cth) 2001 and other legislation. Certain information must be included in the public register of the entity in which you hold securities. Primarily, your personal information is used by Automic to provide a service to you. If we do not collect this information we may be unable to provide this service. We may disclose the information collected to related bodies corporate and to third parties such as print and mail service providers, to regulatory bodies or as otherwise required or permitted by law. We do not generally disclose personal information to overseas recipients. You can find more information about how we collect, use, store and manage your personal information in our privacy policy at www.automic.com.au.

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