2C - Contingent Resources Reconciliation (Cue net) 30 June 2025 Revisions Transfers, Extensions & Discoveries Acquisitions, Divestments & Relinquishments 30 June 2026 2C Contingent Resources Crude and Condensate (MMbbl) 2.1 0.5 0.1 -1.2 1.4 Sales Gas (PJ) 21.3 0.0 0.0 -7.0 14.2 Total MMboe 5.6 0.6 0.1 -2.4 3.9 All volumes quoted in text and tables are Cue net. Refer also notes 6 and 11. Totals may vary due to rounding. De-booking of Paus Biru and Jeruk corresponds to Cue’s previously announced intention to withdraw from the Sampang PSC at licence expiry date of Dec-2027. This is shown as a relinquishment. Revisions of 0.5 MMboe mostly relate to infill drilling opportunities at Maari that are considered Contingent Resource sub-class, development unclarified. Prospective Resources 2U - Prospective Resources (unrisked Cue Net) 2U Gas PJ Crude and Condensate MMbbl Total Equivalent MMboe Indonesia Mahato PSC: PB; Sampang PSC: Oyong, Wortel – – – New Zealand PMP 38160: Maari, Manaia – – – Australia OL4/5: Mereenie; OL3: Palm Valley; L7: Dingo 4.0 – 0.7 Closing Balance 30 June 2026 (arithmetic sum) 4.0 0.0 0.7 2U - Prospective Resources Reconciliation (unrisked) 30 June 2025 Revisions Transfers, Discoveries & Extensions Acquisitions, Divestments 30 June 2026 2U Prospective Resources Crude and Condensate (MMboe) – – – – – Sales Gas (PJ) – 4.0 – – 4.0 Total MMboe – 0.7 – – 0.7 Cautionary statement: Prospective Resources are the estimated quantities of petroleum that may potentially be recovered by the application of a future development project[s] related to undiscovered accumulations. The estimates have both an associated risk of discovery and risk of development. Further exploration appraisal and evaluation is required to determine the existence of a significant quantity of hydrocarbons. The 2U Prospective Resources in the above table are unrisked volumes. All volumes quoted in text and tables are Cue net. Refer also notes 6 and 11. Totals may vary due to rounding. Prospective resources have been identified in a stacked reservoir Mereenie Footwall to the southwest of the main field. The opportunity carries an unrisked probabilistic 2U net resource of 4.0 PJ, with a geological chance of success (Pg) of 31%. In the event of geological success, the chance of development (Pd) is assessed at ~100%, reflecting the low-cost nature of appraisal, development and tie in activities, all possible from existing Mereenie field infrastructure. Cue expects to work with the respective Joint Venture to further evaluate this opportunity. Reserves and Resources Statement continued 12 Cue Energy Resources Limited Annual Report 2026
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