Projects Tangai-Sukananti KSO Cooper Basin Portfolio - Production License (PPL 207) - Worrior Oilfield - Ex PEL 93 - Ex PEL 100 - Ex PEL 110 COOPER BASIN On 12 July 2021, Bass announced the Company’s entry into the Cooper Basin with the acquisition of a suite of permits from Cooper. These tenements are located in the regions surrounding the Santos operated, Moomba processing facility in South Australia. They are situated on the western margins of the Cooper Basin and cover a cumulative area of approximately 1,300 km2. The assets are located amongst an array of highly lucrative producing oil and gas fields that are operated by world-class oil and gas companies such as Beach Energy Limited (“Beach”) and Santos Limited (“Santos”). The portfolio includes one producing license (covering the Worrior oil field) and a number of retention licences with significant exploration potential, such as the drill ready Athelstan and Tyrell prospects. The Athelstan prospect within Ex PEL 100 is on-trend with, and West of the Santos operated Keleary Oil Field, while the Tyrell opportunity within Ex PEL 93 is adjacent to the Worrior oil field. Summary of acquired assets ABOUT US CONTACT US Powered by Sonder Sites

Investor Centre Investor Presentations 2021 ASX Announcements Annual Reports Half-Yearly Financial Reports Quarterly Reports Shareholding If you are a Shareholder and have questions about your holding, visit the Link Market Services Investor Centre or contact the Registry ‍https://www.linkmarketservices.com.au/corporate/contact-us.html Melbourne Level 13 Tower 4, 727 Collins Street Melbourne VIC 3008 ‍ Shareholders can use the Link Market Services Investor Centre to Set up and add their holdings to a portfolio Review and update their contact details, communication preferences, and payment instructions Provide their TFN and/or ABN View their holding details Make online inquiries ‍You will need your Security Reference Number (SRN) or Holder Identification Number (HIN) to verify your identity. Your SRN/HIN is available on your holding/transaction and distribution statements. 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 ABOUT US CONTACT US Powered by Sonder Sites