Announcement PDF Market Announcement 26 August 2024 Bass Oil Limited (ASX: BAS) – Trading Halt Description The securities of Bass Oil Limited (‘BAS’) will be placed in trading halt at the request of BAS, pending it releasing an announcement. Unless ASX decides otherwise, the securities will remain in trading halt until the earlier of the commencement of normal trading on Wednesday, 28 August 2024 or when the announcement is released to the market. Issued by ASX Compliance 23 August 2024 ASX Limited #10779040v1 Market Announcement 1/1 ASX Customer Service Centre 131 279 | asx.com.au Bass Oil Limited Level 5, 11-19 Bank Place Melbourne, Victoria 3000 Australia Telephone: (61) (3) 9927 3000 Fax: (61) (3) 9614 6533 Email: admin@bassoil.com.au 26 August 2024 Ms Ash Aziz Advisor, Listings Compliance Level 4, North Tower Rialto Towers 525 Collins Street Melbourne VIC 3000 Via Email: tradinghaltsmelbourne@asx.com.au Dear Ash, Bass Oil Limited (ASX: BAS) – Request for Trading Halt Pursuant to ASX Listing Rule 17.1, Bass Oil Limited (ASX:BAS) (Bass or the Company) requests an immediate trading halt be granted by ASX in respect of Bass’ ordinary shares (ASX:BAS) and listed options (ASX:BASO) from commencement of trading on 26 August 2024. In accordance with ASX Listing Rule 17.1, Bass provides the following information: (a) Reason for trading halt: the trading halt is requested pending the announcement of results from Kiwi 1 Completion and commencement of the Extended Production Test in the Cooper Basin (stated purpose). (b) Duration of the trading halt: Bass requests that the trading halt continue until the earlier of such time as the Company makes an announcement to the market in relation to the stated purpose or the commencement of normal trading on Wednesday, 28 August 2024. (c) Termination of the trading halt: Bass expects to make an announcement to the market before the commencement of normal trading on 28 August 2024. (d) No reason: Bass is not aware of any reason why the trading halt should not be granted by ASX. (e) Further information: Bass is not aware of any further information which needs to be disclosed to the market at the time of seeking the trading halt. Yours faithfully Robyn Hamilton Company Secretary Bass Oil Limited