Investor Presentaiton

Gippsland Basin gas hub Foundation to develop Cooper Energy's proven and prospective Gippsland gas portfolio Manta and Gummy Contingent Resource estimates (COE 100% interest) 1 1C 2C 3C Eastern Gas Pipeline Orbost Gas Plant Gas PJ 95 185 343 Patricia-Baleen Pipeline Patricia-Baleen Gas Field and Umbilical (25km) Condensate MMbbl 2.5 4.9 9.7 Future development option, COE interest 100% ■ Manta-3 appraisal well planned in future campaign Deepening Manta-3 tests Manta Deep exploration prospect May utilise existing infrastructure e.g., existing pipelines to OGPP Mean Prospective Resources (COE 100% interest) 2,3 Prospect COE net (Bcf) Gummy Deep 401 Manta Deep Chimaera East 414 250 242 Longtom BASS STRAIT Manta Pipeline and Hydraulic Umbilical tieback to Patricia-Baleen (35km) Wobbegong Pg4 Legend 33% 18% 23% 29% Gippsland 149 Manta Gas Field Two well subsea tieback (130m water depth) Existing pipeline Future pipeline Existing umbilical Future umbilical Gas field Oil field Prospect Leatherjacket Basker Oil Field Manta Electrical Umbilical to Sole (33km) COOPER ENERGY Sole Gas Pipeline and Umbilical (65km) Sole Gas Field Two well subsea tieback (water depth 125m) Wobbegong Prolific hydrocarbon basin immediately adjacent to the Southeast Australian gas market 1Contingent Resource for the Manta gas and liquids resource was announced to ASX on 12 August 2019, Contingent Resource for Gummy gas and liquids resource was announced to ASX on 25 August 2023 | 2Prospective Resources of the unrisked volume estimated to be recoverable from the prospect attributable to the Cooper Energy joint venture interest. The estimated quantities of petroleum that may be potentially recovered by the application of future development project(s) relate to undiscovered accumulations | ³Prospective resources for Gummy Deep, Manta Deep, Chimaera East and Wobbegong were announced to the ASX on 15 May 2023 | 4Pg represents the estimated probability of finding moveable gas COOPER 9 ENERGY

View entire presentation