Sheffield Resources Limited Annual Report 2024

CONTENTS FINANCIAL STATEMENTS YEAR IN REVIEW DIRECTORS’ REPORT CORPORATE DIRECTORY SHAREHOLDER INFORMATION 3. Significant accounting estimates and judgements The preparation of the Group’s financial statements requires management to make judgements, estimates and assumptions that affect the financial results reported in the consolidated financial statements. Estimates and assumptions are continuously evaluated and are based on management’s experience and other factors, including expectations of future events, which are believed to be reasonable under the circumstances. However, actual outcomes would differ from these estimates if different assumptions were used, and different conditions existed. The Group has identified the following areas where significant judgements, estimates and assumptions are required, and where actual results were to differ, may materially affect the financial position or financial results reported in future periods. Share-based payments transactions The Group 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 a combination of internal and external sources using a Black-Scholes option pricing model and independent third-party valuation which comprised of a hybrid option pricing model incorporating a Monte Carlo simulation. Exploration and evaluation expenditure The future recoverability of capitalised exploration and evaluation expenditure is dependent on several factors, including whether the Group decides to exploit the related area of interest itself or, if not, whether it successfully recovers the related exploration and evaluation asset through sale. Factors which could impact the future recoverability include the level or reserves and resources, future technological changes which could impact the cost of mining, future legal changes (including changes to environmental obligations) and changes to commodity prices. To the extent that capitalised exploration and evaluation expenditure is determined not to be recoverable in the future, this will reduce profits and net assets in the period in which this determination is made. In addition, exploration and evaluation expenditure is capitalised if rights to tenure of the area of interest are current and activities in the area of interest have not yet reached a stage which permits a reasonable assessment of the existence or otherwise of economically recoverable reserves. Investment in joint venture The Group determines whether it is necessary to recognise an impairment loss on its investment in joint venture. At each reporting date, the Group determines whether there is objective evidence that the investment in the joint venture is impaired. If there is such evidence, the Group calculates the amount of impairment as the difference between the recoverable amount of the joint venture and carrying value, and then recognises the loss within “Share of joint venture results” in the statement of profit or loss. Upon loss of significant influence or joint control over the joint venture, the Group measures and recognises any retained investment at its fair value. Any difference between the carrying amount of the joint venture upon loss of significant influence or joint control and the fair value of the retained investment and proceeds from disposal is recognised in profit or loss. 4. New and revised accounting standards and interpretations The Group adopted all new or amended Accounting Standards and Interpretations issued by the Australian Accounting Standards Board that are relevant to its operations and are mandatory for the current financial reporting period beginning 1 July 2023. Any new or amended Accounting Standards or Interpretations that are not yet mandatory have not been early adopted. 5. Segment reporting Operating segments are reported in a manner consistent with the internal reporting provided to the chief operating decision maker (CODM). The CODM is responsible for allocating resources and assessing performance of the operating segments and has been identified as the Board. Current taxes and deferred taxes are not allocated to the segments as they are managed on a group basis. The Group’s operating segments are as follows: – South Atlantic project – Project consists of mineral sands tenements located in Brazil. On 28 February 2023, Sheffield executed a binding investment agreement (RGM Option Agreement) with Mineração Santa Elina Indústria e Comércio S/A. and Kromus Xi Fundo De Investimento Em Participações, owners of Rio Grande Mineração S/A (RGM). Please refer to ASX announcement on 28 February 2023 and Note 13 for additional information. – Thunderbird project – Project consists of mineral sands tenements located in the Canning Basin that form part of the Thunderbird mineral sand mining operation held by Thunderbird Operations Pty Ltd, subsidiary of Kimberley Mineral Sands Pty Ltd (KMS). Please refer to Note 8 for additional information. – Other –Other exploration and evaluation activities, other investments and corporate expenses that are not allocated to operating segments as they are not considered part of the core operation of any segment. 45 Sheffield Resources Limited Annual Report 2024

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