Investor Presentaiton

Strategically located LNG hub Santos Northern Australia has the potential to become a major LNG hub for the long term, supported by Santos' world class regional onshore and offshore gas resources and proximity to Asia Creation of a major LNG hub strategically located to key LNG end markets + Material interest in a high quality integrated LNG project + + Leverages and strengthens Santos existing offshore operating capability in Northern Territory and Western Australia Operatorship of strategic LNG infrastructure: + DLNG brownfield plant expansion opportunities + Planning approvals for expansion up to 10 mtpa (3 train plant) + Potential to unlock material resources in the region Santos acreage Gross 2C resource Net 2C resource Barossa Petrel-Tern-Frigate Browse Basin¹ Greater Poseidon ~5.1 tcf 2,600 PJ ~2.6 tcf 970 PJ ~2.8 tcf 850 PJ ~2.1 tcf 880 PJ McArthur Basin Multi-tcf potential DLNG expansion supported by regional resource Argus Cash-Maple Bayu-Undan Barossa Caldita DARWIN LNG Darwin Petrel Crux PRELUDE Frigate Tern Blacktip WADEYE GAS PLANT Katherine Poseidon Crown FLNG Lasseter 8 Torosa ICHTHYS Brecknock Burnside, Calliance Derby Broome ° Facilities Gas Field Gas Pipeline Oil Field Proposed Pipeline Santos Acreage 0 100 200 Km McArthur River Santos Tennant Creek 1 Includes Lasseter, Crown, Burnside, Argus 2 Resource estimates as at 31 December 2018 Western Australia & Northern Territory Site Visit 2019 24

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