BREAKTHROUGH MINERALS LIMITED — Proxy Solicitation & Information Statement 2025

Nov 12, 2025

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13 November 2025

Dear Shareholder

General Meeting – Notice of Meeting and Proxies

Notice is given that a General Meeting ( Meeting ) of Shareholders of Breakthrough Minerals Limited (ACN 124 408 751) ( Company ) will be held as follows:

Time and date: 10:30am (Perth time) on Friday, 12 December 2025 Location: Level 1, 1 Alvan Street Subiaco, Western Australia 6008

Notice of Meeting

In accordance with the Corporations Act 2001 (Cth) the Company will not be dispatching physical copies of the Notice of Meeting unless individual shareholders have made a valid election to receive documents in hard copy. Instead, the Notice of Meeting and accompanying explanatory statement ( Meeting Materials ) are being made available to shareholders electronically and can be viewed and downloaded from:

• the Company’s website at https://breakthroughminerals.com.au/investor-centre/; and

• the ASX market announcements page under the Company’s code “BTM”.

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 of Meeting.

Voting at the Meeting or by proxy

Shareholders are encouraged to vote by lodging a proxy form.

Proxy forms can be lodged:

•	Online:	https://investor.automic.com.au/#/loginsah
•	By mobile:	Scan the QR Code on your Proxy Form and follow the prompts
•	By mail:	Automic, GPO Box 5193, Sydney NSW 2001
•	In person:	Automic, Level 5, 126 Phillip Street, Sydney NSW 2000
•	By email:	meetings@automicgroup.com.au
•	By fax:	+61 2 8583 3040

Your proxy voting instruction must be received by 10:30am (Perth time) on Wednesday, 10 December 2025 being not less than 48 hours before the commencement of the Meeting. Any proxy voting instructions received after that time will not be valid for the Meeting.

The Meeting Materials should be read in their entirety. If shareholders are in doubt as to how they should vote, they should seek advice from their professional advisers prior to voting.

Authorised for release by:

Joel Ives Company Secretary Breakthrough Minerals Limited

E: info@breakthroughminerals.com.au W: www.breakthroughminerals.com.au A: Level 40, 2 Park Street, Sydney NSW 2000