Announcement PDF Gold Hydrogen Limited, Level 14, 110 Eagle Street (GPO Box 801) Brisbane, Qld 4000 | info@goldhydrogen.com.au | ABN 74 647 468 899 | 1 16 June 2026 ASX Announcement Cessation as a Substantial Shareholder Reference is made to the attached Form 605 ‘Notice of Ceasing to be a Substantial Holder’ dated 15 June 2026 and furnished by CELM Investments. The Company would like to confirm that, as result of the off-market transfer noted in the form, this holding has now been reduced to nil. This announcement has been authorised for release by the Managing Director. On behalf of the Board Karl Schlobohm Company Secretary For Company Enquiries Contact: Neil McDonald – Managing Director Karl Schlobohm – Company Secretary / CFO nmcdonald@goldHydrogen.com.au kschlobohm@goldHydrogen.com.au +61 7 3521 8038 +61 7 3521 8038 DOC 1416354577.1 Form 605 Corporations Act 2001 Section 671B Notice of ceasing to be a substantial holder To Company name/Scheme Gold Hydrogen Limited ACN/ARSN ACN 647 468 899 1. Details of substantial holder (1) Name Michelle Simonds (and the entity listed below) ACN/ARSN (if applicable) The holder ceased to be a substantial holder on 11 June 2026 The previous notice was given to the company on 22 May 2026 The previous notice was dated 22 May 2026 2. Changes in relevant interests Particulars of each change in, or change in the nature of, a relevant interest (2) of the substantial holder or an associate (3) in voting securities of the company or scheme, since the substantial holder was last required to give a substantial holding notice to the company or scheme are as follows: Date of change Person whose relevant interest changed Nature of change (4) Consideration given in relation to change(5) Class (6) and number of securities affected Person's votes affected 11 June 2026 CELM Investments Pty Ltd ACN 609 580 332 as trustee for the Michelle Simonds Family Trust Off-market transfer of shares $5,760,566.00 16,458,760 Ordinary Shares 16,458,760 3. Changes in association The persons who have become associates (3) of, ceased to be associates of, or have changed the nature of their association (7) with, the substantial holder in relation to voting interests in the company or scheme are as follows: Name and ACN/ARSN (if applicable) Nature of association 4. Addresses The addresses of persons named in this form are as follows: Name Address CELM Investments Pty Ltd as trustee for the Michelle Simonds Family Trust C/- Andresen McCarthy Partners Pty Ltd 714 Main Road, Eltham VIC 3095 Michelle Simonds C/- Andresen McCarthy Partners Pty Ltd 714 Main Road, Eltham VIC 3095 Signature print name Michelle Simonds capacity Director sign here date 15 June 2026 DOC 1416354577.1 DIRECTIONS (1) If there are a number of substantial holders with similar or related relevant interests (eg. a corporation and its related corporations, or the manager and trustee of an equity trust), the names could be included in an annexure to the form. If the relevant interests of a group of persons are essentially similar, they may be referred to throughout the form as a specifically named group if the membership of each group, with the names and addresses of members is clearly set out in paragraph 6 of the form. (2) See the definition of "relevant interest" in section 608 and 671(b) of the Corporations Act 2001. (3) See the definition of "associate" in section 9 of the Corporations Act 2001. (4) Include details of: (a) any relevant agreement or other circumstances because of which the change in relevant interest occurred. If subsection 671B(4) applies, a copy of any document setting out the terms of any relevant agreement, and a statement by the person giving full and accurate details of any contract, scheme or arrangement, must accompany this form, together with a written statement certifying this contract, scheme or arrangement; and (b) any qualification of the power of a person to exercise, control the exercise of, or influence the exercise of, the voting powers or disposal of the securities to which the relevant interest relates (indicating clearly the particular securities to which the qualification applies). See the definition of "relevant agreement" in section 9 of the Corporations Act 2001. (5) Details of the consideration must include any and all benefits, money and other, that any person from whom a relevant interest was acquired has, or may, become entitled to receive in relation to that acquisition. Details must be included even if the benefit is conditional on the happening or not of a contingency. Details must be included of any benefit paid on behalf of the substantial holder or its associate in relation to the acquisitions, even if they are not paid directly to the person from whom the relevant interest was acquired. (6) The voting shares of a company constitute one class unless divided into separate classes. (7) Give details, if appropriate, of the present association and any change in that association since the last substantial holding notice.