RINCON RESOURCES LIMITED — Proxy Solicitation & Information Statement 2026

Mar 31, 2026

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Letter to Shareholders regarding General Meeting

1 April 2026

Dear Shareholders

NOTICE OF GENERAL MEETING

Rincon Resources Limited (ASX: RCR) ( Company ) is holding a General Meeting of its shareholders ( Shareholders ) on Friday, 1 May 2026 at 10.00am (WST) at Suite 1, 295 Rokeby Rd, Subiaco WA 6008 ( Meeting ).

In accordance with the Corporations Act 2001 (Cth), the Company will not be dispatching physical copies of the Notice of General Meeting ( Notice ) to Shareholders unless a shareholder has previously requested a hard copy. Instead, a copy of the Notice is available at the following link and has also been lodged on the Australian Securities Exchange ( ASX ):

- - https://www.rinconresources.com.au/announcement category/asx announcements/

If you have nominated an email address and have elected to receive electronic communications from the Company, you will also receive an email to your nominated email address with a link to an electronic copy of the Notice.

In order to receive electronic communications from the Company in the future, please update your Shareholder details online at https://investor.automic.com.au/#/home and log in with your unique shareholder identification number and postcode (or country for overseas residents).

You may vote by attending the Meeting in person, by proxy or by appointing an authorised representative.

To vote by proxy, please complete and sign the proxy form attached to the Notice ( Proxy Form ) and return it by the time and in accordance with the instructions set out in the Proxy Form.

To vote in person, attend the Meeting at the time, date and place set out above. To assist the Company in managing the Meeting, shareholders who wish to attend the Meeting in person should register their attendance with the Company by telephone at +61 8 6555 2950 or info@rinconresources.com.au.

In accordance with section 249L of the Corporations Act 2001 (Cth) ( Corporations Act ), Shareholders are advised that:

• each shareholder has a right to appoint a proxy;

• the proxy need not be a shareholder of the Company; and

• a shareholder who is entitled to cast two or more votes may appoint two proxies and may specify the proportion or number of votes each proxy is appointed to exercise. If the shareholder appoints two proxies and the appointment does not specify the proportion or number of the shareholder’s votes, then in accordance with section 249X(3) of the Corporations Act, each proxy may exercise one-half of the votes.

Proxy Forms must be received by 10.00am (WST) on Wednesday, 29 May 2026.

Details on how to lodge your Proxy Form can be found in the Proxy Form. If you have any questions about your Proxy Form or are unable to access the Notice, please contact a Company Secretary by telephone at +61 8 6555 2950 or info@rinconresources.com.au.

The Notice is important and should be read in its entirety. If you are in doubt as to the course of action you should follow, you should consult your financial adviser, lawyer, accountant or other professional adviser.

Yours faithfully

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Victor Goh Company Secretary RINCON RESOURCES LIMITED

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