Announcement PDF Form 605 Corporations Act 2001 Section 671B Notice of ceasing to be a substantial holder To Company Name/Scheme Percheron Therapeutics Limited ACN/ARSN 095 060 745 1. Details of substantial holder (1) Gregory Norman Peters and each of the persons named in Annexure A. Name ACN/ARSN (if applicable) The holder ceased to be a substantial holder on 4 March 2025 The previous notice was given to the company on 6 January 2025 The previous notice was dated 6 January 2025 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 4 March 2025 Nature of Change (4) Parties in Annexure A have ceased to be associated by virtue of the resolutions proposed by them under section 249D of the Corporations Act having been considered at a general meeting of shareholders on 4 March 2025. No change Consideration given in relation to change (5) Class (6) and number of securities affected Person’s votes affected n/a n/a n/a 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 n/a n/a 4. Addresses The addresses of persons named in this form are as follows: Name Address For all parties c/- Level 6, 400 Collins Street, Melbourne, Victoria, 3000 Signature print name sign here Gregory Norman Peters capacity date 4 March 2025 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 4 of the form. (2) See the definition of "relevant interest" in sections 608 and 671B(7) 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. Annexure A Holder of relevant interest Gregory Norman Peters Nature of relevant interest (7) Class and number of securities Each of the parties set out in Annexure A had a relevant interest in each others shares as a result of being signatories to a notice issued under section 249D of the Corporations Act 249D Notice) and therefore previously deemed to be acting in concert in respect of the resolutions proposed in that notice. Expect where identified as “associates” being, in which case the holder is an associate of a signatory to the 249D Notice. Ordinary – 12,675,000 Dale Anthony Reed As above. Ordinary – 15,050,000 Robert William Moses As above, Ordinary – 8,000,000 Statemoor Pty Ltd <Peters SF A/C> As above. Ordinary – 4,893,269 Xcelerate Nominees Pty Ltd <Xcelerate Super Fund A/C> As above, Ordinary – 3,930,710 David Kenley As above. Ordinary – 3,800,000 XEC Partners Pty Ltd <XEC Partners A/C> As above, Ordinary – 3,204,358 Xcelerate Trading Pty Ltd <Xcelerate Trading A/C> As above, Ordinary -2,238,703 Statemoor Pty Ltd <Peters Family As above, A/C> Ordinary – 1,044,231 David Kenley <Kenley Super Plan Associate of David Kenley. A/C> Ordinary – 250,000 David Kenley <One Plus 1 A/C> Associate of David Kenley. Ordinary – 88,810 Noelle Kenley Associate of David Kenley. Ordinary – 170,000