Announcement PDF Market Announcement 16 October 2026 16 October 2026 Market Announcement 1/1 ASX Limited ASX Customer Service Centre 131 279 | asx.com.au Starpharma Holdings Limited (ASX: SPL) – Trading Halt Trading in the securities of Starpharma Holdings Limited (‘SPL’) will be halted at the request of SPL, pending the release of an announcement by SPL. Unless ASX decides otherwise, the securities will remain in trading halt until the earlier of: • the commencement of normal trading on Tuesday, 20 October 2026; or • the release of the announcement to the market. SPL’s request for a trading halt is attached below for the information of the market. Issued by ASX Supervision Starpharma Holdings Limited A.B.N. 20 078 532 180 4-6 Southampton Crescent Abbotsford Victoria 3067 Australia Telephone (+613) 8532 2700 Facsimile (+613) 9510 5955 www.starpharma.com Attention: Melissa Kostopoulos ASX Compliance Pty Ltd South Tower Level 50, Rialto 525 Collins Street Melbourne VIC 3000 16 October 2026 Dear Melissa, Starpharma Holdings Limited (ASX:SPL) – Request for a trading halt In accordance with Listing Rule 17.1, Starpharma Holdings Limited (Starpharma) requests a trading halt in its securities pending an announcement to the market regarding an update on a strategic transaction. Starpharma expects that the announcement will be made prior to the opening of trading on Tuesday 20th October 2026. Accordingly, the trading halt should remain in place until the earlier of the opening of trading on 20th October 2026 or when Starpharma makes an announcement in relation to the transaction. Starpharma is not aware of any reason why the trading halt should not be granted by ASX. Yours sincerely, Justin Cahill Chief Financial & Operations Officer & Company Secretary Starpharma Holdings Limited