Announcement PDF L30, Collins Place, 35 Collins Street, Melbourne, VIC 3000, Australia E: info@PercheronTx.com ■ T: +61 3 9827 8999 www.PercheronTx.com 15 October 2026 ASX Market Announcements Office ASX Limited Level 4, North Tower, Rialto Building 525 Collins Street Melbourne VIC 3000 Attention: Ms Melissa Kostopoulos Dear Melissa, NOTICE UNDER SECTION 708A(5)(E) OF THE CORPORATIONS ACT – PLACEMENT TO INSTITUTIONAL AND SOPHISTICATED INVESTORS Percheron Therapeutics Limited (ASX:PER) (Percheron) provides notice that 160,000,000 fully paid ordinary shares (Shares) were issued on 15 October 2026 following a placement to Institutional and Sophisticated investors as announced on 1 September 2026. Percheron gives notice that: a) the Shares were issued without disclosure under Part 6D.2 of the Corporations Act 2001 (Cth) (Act); b) this notice is being given under section 708A(5)(e) of the Act; c) as at the date of this notice, Percheron has complied with: i. the provisions of Chapter 2M of the Act as they apply to Percheron; and ii. section 674 and 674A of the Act; d) as at the date of this notice, there is no excluded information of the type referred to in sections 708A(7) and 708A(8) of the Act which is required to be disclosed under section 708A(6)(e) of the Act. Your sincerely, Deborah Ambrosini Company Secretary Percheron Therapeutics Limited