Announcement PDF | Page 1 ASX Announcement 16 October 2025 Results of 2025 Annual General Meeting Cogstate Limited (ASX.CGS) announces the results of today’s Annual General Meeting. The results are set out in the attached document, in accordance with ASX Listing Rule 3.13 and Section 251AA(2) of the Corporations Act. All resolutions were passed and decided by way of a poll. This announcement was authorised for release by the Board of Cogstate Ltd. Important Upcoming Dates To stay up to date, sign up to the Cogstate Investor Hub: https://investors.cogstate.com 1. Friday 7th November 2025 from 8:45am-2:30pm AEDT Shareholder Day (in-person): Location: Melbourne Australia. Register here For further information contact: investor@cogstate.com About Cogstate Cogstate Ltd (ASX: CGS) is a neuroscience technology company optimising brain health assessments to advance the development of new medicines and to enable earlier clinical insights in healthcare. Cogstate technologies provide rapid, reliable and highly sensitive computerised cognitive tests across a growing list of domains and support partners in the delivery of electronic clinical outcome assessment (eCOA) solutions to replace costly and error-prone paper assessments with real-time data capture. The company’s clinical trials solutions include quality assurance services for study endpoints that combine innovative operational approaches, advanced analytics and scientific consulting. For over 20 years, Cogstate has proudly supported the leading-edge research needs of biopharmaceutical companies and academic institutions, and the clinical care needs of physicians and patients around the world. In the Healthcare market, Cogstate seeks to provide primary care physicians and consumers with brief, accurate and scientifically validated digital measures of cognition, with a focus on easy to use, self-administered tests that inform patients and save physician time. For more information, please visit www.cogstate.com. Disclosure of Proxy Votes Cogstate Limited Annual General Meeting Thursday, 16 October 2025 In accordance with section 251AA of the Corporations Act 2001, the following information is provided in relation to resolutions put to members at the meeting. Automic GPO Box 5193, Sydney, NSW 2001 P 1300 288 664 (aus) or +61 (0)2 9698 5414 (world) F +61 (0)2 8583 3040 E hello@automic.com.au ABN 27 152 260 814 Proxy Votes Poll Results (if applicable) Results Resolution Decided by Show of Hands (S) or Poll (P) Total Number of Proxy Votes exercisable by proxies validly appointed FOR AGAINST ABSTAIN PROXY'S DISCRETION FOR AGAINST ABSTAIN OUTCOME 1 Adoption of Remuneration Report P 90,578,701 90,371,777 99.77% 135,623 0.15% 3,781 71,301 0.08% 91,786,302 99.85% 135,623 0.15% 3,781 2 Re-election of Mr Martyn Myer as Director P 112,629,437 110,548,964 98.15% 1,926,345 1.71% 8,007,440 154,128 0.14% 112,046,316 98.31% 1,926,345 1.69% 8,007,440 Carried 3 Re-election of Ms Ingrid Player as Director P 120,629,437 120,470,707 99.87% 4,602 0.00% 7,440 154,128 0.13% 121,968,059 100.00% 4,602 0.00% 7,440 Carried 4 Renewal of the Employee Equity Plan P 90,204,405 90,030,439 99.81% 19,838 0.02% 29,978,668 154,128 0.17% 91,367,929 99.98% 19,838 0.02% 29,978,668 Carried 5 Approval of Issue of Performance Rights to Mr Bradley O’Connor, Managing Director and Chief Executive Officer P 90,660,778 90,328,963 99.63% 177,687 0.20% 29,975,199 154,128 0.17% 91,743,488 99.81% 177,687 0.19% 29,975,199 Carried Carried