Investor Presentaiton

Gas infrastructure and tieback development Santos Value delivered from integrated gas business with opportunities for further development and new markets + + + + Maximising utilisation of combined infrastructure across Varanus Island, Devil Creek and Macedon Majority of gas contracted under CPI-linked medium to long- term Gas Sales Agreements (GSAs) + 12-year contract with Alcoa for an initial supply of 120 TJ/day commences in 2020 at favourable pricing Opportunity for low pressure reserves development and future tiebacks to existing infrastructure + Varanus Island and Macedon Compression Projects + Spartan, Kultarr, Ginger and Corvus tiebacks to Varanus Island and Devil Creek hubs Devil Creek power optimisation project commissioned Western Australia & Northern Territory Site Visit 2019 13

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