Announcement PDF Bass Oil Limited Level 5, 11-19 Bank Pl., T + 61 3 9927 3000 admin@bassoil.com.au ACN: 008 694 817 Melbourne 3000 F + 61 3 9614 6533 www.bassoil.com.au Victoria, Australia ASX Announcement Release date: 31 March 2026 Resignation of a Director Bass Oil Limited (ASX:BAS) (“Bass” or the “Company”) advises that Mr Mark Lindh has resigned from his position as Non-Executive Director of the Company, effective from today, to focus on his other business interests. The Board expresses its thanks to Mr Lindh for his valued contribution to the Company over the last 12 years. Bass Oil Chairman Mr. HectorGordon commented “Markhas contributedimmenselybothtothe Board and to the Company during his tenure. His astute advice, guidance and his extensive knowledge of the resources industry and equity capital markets have been of great value to the Board. On behalf of the Board and management of Bass, I sincerely thank Mark for his dedication, contribution and service to the Company. We wish him all the best in his future endeavours.” Mr Lindh commented “It has been a privilege to serve the shareholders of Bass and to work alongside my fellow directors who I hold the highest regard for both personally and professionally. I retire knowing the Company is in a great position, fully funded and with a suite of high-quality assets that, in the current environment, are extremely strategic and I am very confident will reward shareholders for their continued support. I remain a very enthusiastic shareholder and excited about the future of the Company.” This announcement has been authorised for release by the Board For further information please contact: Tino Guglielmo Managing Director Bass Oil Limited Ph: +61 3 9927 3000 Email: tino.guglielmo@bassoil.com.au