Investor Presentaiton

Victorian Otway Basin Beach 60% and operator FY19 production Rest of Beach 29.4 MMboe Vic Otway Basin 8.4 MMboe FY19 2P reserves Rest of Beach 326 MMboe Vic Otway Basin 62 MMboe FY20 Focus: . Black Watch and Enterprise Extended Reach Directional (ERD) wells to be drilled from mid-FY20 Black Watch connection will add deliverability from H2 FY20 • Ocean Onyx semi submersible rig delivery currently expected in March quarter 2020 • 30 day statutory shutdown at Otway Gas Plant scheduled for March 2020 VIC/L1(V) HBWS Black Watch-1 beach PPL9 RPL6 NSW Victoria Adelaide Canberra PEP 168 VIC Melbourne Proposed exploration well Proposed development well Gas pipeline LaBella Permit Gas field Otway Gas- Plant TAS Hobart VIC/P42(V) Port Campbell Enterprise-1 0 5 10 15 km Artisan-1 VIC/P73 La Bella VIC/P43 Geographe-5 Geographe Geographe-4 VIC/L23 Thylacine North-1 Thylacine West-1 Thylacine North-2 Victoria Tasmania T/L2 Thylacine Thylacine West-2 T/30P T/L3 T/30P 20 20 1. Organic 2P reserves replacement ratio calculated as Victorian Otway 2P reserves additions, excluding acquisitions and divestments, divided by FY19 Victorian Otway reported production. Fields and Infrastructure from GPINFO and public sources OT18-0007M

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