INTEGRAL DIAGNOSTICS LIMITED DISCLOSUREBeneficial Ownership (13D/G / major holdings)

Change in substantial holding

Level 2, 5 Martin Place Sydney NSW 2000 +61 13 51 53 lennoxcapitalpartners.com.au 4 September 2026 The Manager Company Announcements Office ASX Limited Level 27 39 Martin Place SYDNEY NSW 2000 By electronic lodgement Dear Sir/Madam Re: Notice of change of interests of substantial holder – Integral Diagnostics Limited (IDX) We enclose notice of change of interests of substantial holder in Integral Diagnostics Limited. This notice is given by Lennox Capital Partners Pty Limited. Yours faithfully Hannah-Mary Crabbe Company Secretary For personal use only 1. Details of substantial holder(1) 02/09/2026 05/09/2025 05/09/2025 Date of change Refer Annexure 1 Particulars of each relevant interest of the substantial holder in voting securities after the change are as follows: Holder of relevant interest Lennox Capital Partners Pty Ltd As above As above To Company Name/Scheme INTEGRAL DIAGNOSTICS LIMITED ACN/ARSN 130 832 816 Name Form 604 Corporations Act 2001 Section 671B Notice of change of interests of substantial holder Lennox Capital Partners Pty Ltd The previous notice was given to the company on The previous notice was dated ACN/ARSN (if applicable) There was a change in the interests of the substantial holder on 617 001 966 Person's votes Voting power (5) Ordinary Fully Paid 19,657,417 5.28% 23,632,855 6.33% 2. Previous and present voting power The total number of votes attached to all the voting shares in the company or voting interests in the scheme that the substantial holder or an associate (2) had a relevant interest (3) in when last required, and when now required, to give a substantial holding notice to the company or scheme, are as follows: Class of securities (4) Previous notice Present notice Person's votes Voting power (5) 3. Changes in relevant interests Particulars of each change in, or change in the nature of, a relevant interest of the substantial holder or an associate 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: Person whose relevant interest changed Nature of change (6) Consideration given in relation to change (7) Class and number of securities affected Person's votes affected 4. P