Investor Presentaiton

Bonaparte Basin - EP 126 Multiple play types Conventional carbonate and clastic reservoirs • Good hydrocarbon shows in Cullen-1 (2014) Fractured carbonate gas play defined (Ningbing Limestone/Langfield Group) Oil shows in shallower Weaber Group Top Weaber Group Potential Oil Play Up-Dip of shows in Cullen-1, towards Basin Margins in structural/stratigraphic traps Cullen-1 Late Carboniferous Kulshill Group Milligans Formation. CORE 1 (overpressured marine shale) R Early Carboniferous ? hydrothermal dolomitisation zone (unproven) ICORE Langfield Group R (interbedded limestone R R and shale) Late Devonian Ningbing Group (fractured tight platform carbonate) Late Devonian Cockatoo Group (synrift) Source Wrench fault zone ("negative flower structure") R Reservoir © Cap rock VINTAGE ENERGY Age (Ma) Period Epoch | Stage Onshore Offshore 340- Carb Mississippian Tanmurra Formation Kingfisher Shale Visean Burvill Fm Utting Calcarenite Yow Creek Formation Weaber Group O 350- T Milligans Formation Waggon Creek facies Tournaisian Inversion Unconformity Tournais od 360 370 380 Devonian Late Fammenian Frasmian Burt Range Fm Ningbing Limestone Kamilili Fm -Zimmermann Sst Septimus Lst Langfield Enga Sst Group Bonaparte Formation Ningbing Group Cockatoo VE18-012 Group ● Oil show Gas flow Gas show Shale gas play original target Fractured carbonate gas play seen in Cullen-1 VE18-005 'Reference: Petroleum geology and potential of the onshore Northern Territory, 2014. Report 22. TJ Munson, Northern Territory Geological Survey Potential for both oil and gas production with industry and infrastructure nearby 13

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