Announcement PDF Market Announcement 11 September 2025 Spacetalk Ltd (ASX: SPA) – Trading Halt Trading in the securities of Spacetalk Ltd (‘SPA’) will be halted at the request of SPA, pending the release of an announcement by SPA. Unless ASX decides otherwise, the securities will remain in trading halt until the earlier of: • the commencement of normal trading on Monday, 15 September 2025; or • the release of the announcement to the market. SPA’s request for a trading halt is attached below for the information of the market. Issued by ASX Compliance 11 September 2025 ASX Limited #10965538v1 Market Announcement 1/1 ASX Customer Service Centre 131 279 | asx.com.au 11 September 2025 Ramona Seeto Adviser, ASX Compliance (Sydney) Exchange Centre, 20 Bridge Street, Sydney NSW 2000 By email only: tradinghaltssydney@asx.com.au Dear Mrs. Seeto, Request for Trading Halt: Spacetalk Ltd (ASX SPA) Pursuant to ASX Listing Rule 17.1, Spacetalk Ltd (ASX: SPA) (Spacetalk) requests a trading halt be granted by ASX Limited (ASX) with respect to its fully paid ordinary shares and listed options from the commencement of trade on Thursday, 11 September 2025. The following information is provided in accordance with Listing Rule 17.1: 1. Reason for trading halt – The trading halt is requested by Spacetalk to assist in managing its disclosure obligations and to maintain an orderly market, in connection with a proposed capital raising via institutional and sophisticated investors. 2. Duration of the trading halt – Spacetalk requests that the trading halt remains in place until the earlier of: a. The commencement of trading on Monday, 15 September 2025; or b. The release of an announcement to the ASX concerning the outcome of the capital raising. 3. Termination of the trading halt – Spacetalk anticipates the trading halt will cease upon the earlier of a release of an announcement by the Company on the capital rising or on commencement of normal trading on Monday, 15 September 2025. 4. No reason – Spacetalk is not aware of any reason why the trading halt should not be granted. Yours sincerely, Hasaka Martin Company Secretary This announcement was authorised for release to ASX by the Board of the Company. Spacetalk Ltd (ASX: SPA) ACN 091 Level 2, 104 Frome St, ADELAIDE, SA, AUSTRALIA, 5000