ASX Announcement Release date: 2 June 2026 Bass Launches Investor Centre and Website for Enhanced Investor Engagement Bass Oil Limited (ASX:BAS) is an Australian-listed oil producer that holds a majority interest in 14 permits in the Cooper Basin including the 100% owned Worrior and Padulla oil fields and a 55% interest in an Indonesian KSO. Bass is debt free and committed to creating Shareholder value. Highlights ● Bass Oil Limited (ASX:BAS) is pleased to announce the launch of its new Investor Centre ● Visit the Investor Centre here: https://bassoil.com.au/auth/signup ● Managing Director, Tino Guglielmo, welcomes shareholders to the new platform Investor Hub Bass Oil Limited (ASX:BAS) (“Bass” or the “Company”) is pleased to announce the formal launch of our Investor Centre, a dedicated platform for investors to learn more about the Company and our latest activities. The Investor Centre is a valuable resource for existing and prospective investors with real-time access to ASX announcements, reports, presentations, videos and direct engagement with the Bass team. The platform is part of a broader effort to make Bass as accessible as possible to its investor base and to stay up to date with the latest Company news. Shareholders and interested parties are invited to sign up and create an account. Investor Centre Sign Up ● Visit https://bassoil.com.au/auth/signup ● Follow the prompts to create an account ● Complete your account profile Bass Oil’s Managing Director, Tino Guglielmo said: “We look forward to updating investors in a more engaging environment to follow our journey through the new Investor Centre. This platform allows us to interact with our shareholders and investors in a more direct and transparent way.” Here For further information please contact: Tino Guglielmo Managing Director Bass Oil Limited Ph: +61 3 9927 3000 Email: tino.guglielmo@bassoil.com.au