Melbana Energy Limited Annual Report 2024

Note 3. Critical accounting judgements, estimates and assumptions The preparation of the financial statements requires management to make judgements, estimates and assumptions that affect the reported amounts in the financial statements. Management continually evaluates its judgements and estimates in relation to assets, liabilities, contingent liabilities, revenue and expenses. Management basis its judgements, estimates and assumptions on historical experience and on other various factors, including expectations of future events, management believes to be reasonable under the circumstances. The resulting accounting judgements and estimates will seldom equal the related actual results. The judgements, estimates and assumptions that have a significant risk of causing a material adjustment to the carrying amounts of assets and liabilities (refer to the respective notes) within the next financial year are discussed below. Exploration and evaluation costs Exploration and evaluation costs are accumulated separately for each area of interest and carried forward provided that one of the following conditions is met: – such costs are expected to be recouped through successful development or sale; or – exploration activities have not yet reached a stage which permits a reasonable assessment of the existence or otherwise of economically recoverable reserves, and active and significant operations in relation to the area are continuing. Significant judgement is required in determining whether it is likely that future economic benefits will be derived from the capitalised exploration and evaluation expenditure. In the judgement of the Directors, at 30 June 2024 exploration activities in Cuba Block 9 has not yet reached a stage which permits a reasonable assessment of the existence or otherwise of economically recoverable reserves. Active and significant operations in relation to Cuba Block 9 is continuing and nothing has come to the attention of the Directors to indicate future economic benefits will not be achieved. The Directors are continually monitoring the areas of interest and are exploring alternatives for funding the development of areas of interest when economically recoverable reserves are confirmed. If new information becomes available that suggests the recovery of expenditure is unlikely, the amounts capitalised will need to be reassessed at that time. Share-based payment transactions The Consolidated Entity measures the cost of equity-settled transactions with employees by reference to the fair value of the equity instruments at the date at which they are granted. The fair value is determined by using either the Binomial or Black-Scholes model taking into account the terms and conditions upon which the instruments were granted. The accounting estimates and assumptions relating to equity-settled share-based payments would have no impact on the carrying amounts of assets and liabilities within the next annual reporting period but may impact profit or loss and equity. Fair value measurement hierarchy The Consolidated Entity is required to classify all assets and liabilities, measured at fair value, using a three level hierarchy, based on the lowest level of input that is significant to the entire fair value measurement, being: Level 1: Quoted prices (unadjusted) in active markets for identical assets or liabilities that the entity can access at the measurement date; Level 2: Inputs other than quoted prices included within Level 1 that are observable for the asset or liability, either directly or indirectly; and Level 3: Unobservable inputs for the asset or liability. Considerable judgement is required to determine what is significant to fair value and therefore which category the asset or liability is placed in can be subjective. Estimation of useful lives of assets The Consolidated Entity determines the estimated useful lives and related depreciation and amortisation charges for its property, plant and equipment and finite life intangible assets. The useful lives could change significantly as a result of technical innovations or some other event. The depreciation and amortisation charge will increase where the useful lives are less than previously estimated lives, or technically obsolete or non-strategic assets that have been abandoned or sold will be written off or written down. Recovery of deferred tax assets Deferred tax assets are recognised for deductible temporary differences only if the Consolidated Entity considers it is probable that future taxable amounts will be available to utilise those temporary differences and losses. Incremental borrowing rate Where the interest rate implicit in a lease cannot be readily determined, an incremental borrowing rate is estimated to discount future lease payments to measure the present value of the lease liability at the lease commencement date. Such a rate is based on what the Consolidated Entity estimates it would have to pay a third party to borrow the funds necessary to obtain an asset of a similar value to the right-of-use asset, with similar terms, security and economic environment. Notes to the Consolidated Financial Statements for the year ended 30 June 2024 52 Melbana Energy Limited Annual Report 2024

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