Annual Activity Report 2025

Orano - Annual Activity Report 2025 421 FINANCIAL STATEMENTS 6 Statutory Auditors’ report on the company financial statements for the financial year ended December 31, 2025 6.4 Statutory Auditors’ report on the company financial statements for the financial year ended December 31, 2025 Opinion In compliance with the engagement entrusted to us by your Annual General Meeting, we have audited the accompanying financial statements of Orano SA for the year ended December 31, 2025. In our opinion, the financial statements give a true and fair view of the assets and liabilities and of the financial position of the Company at December 31, 2025 and of the results of its operations for the year then ended in accordance with French accounting principles. The audit opinion expressed above is consistent with our report to the Audit and Ethics Committee. Basis for opinion Audit framework We conducted our audit in accordance with professional standards applicable in France. We believe that the audit evidence we have obtained is sufficient and appropriate to provide a basis for our opinion. Our responsibilities under these standards are further described in the “Responsibilities of the Statutory Auditors relating to the audit of the financial statements” section of our report. Independence We conducted our audit engagement in compliance with the independence rules provided for in the French Commercial Code (Code de commerce) and the French Code of Ethics (Code de déontologie) for Statutory Auditors for the period from January 1, 2025 to the date of our report, and, in particular, we did not provide any non-audit services prohibited by Article 5(1) of Regulation (EU) No. 537/2014. Emphasis of matter Without qualifying our opinion, we draw your attention to Note 3 to the financial statements, which present the impact of the changes in accounting methods resulting from the first-time application of ANC regulation no. 2022-06. Justification of assessments – Key audit matters In accordance with the requirements of Articles L.821-53 and R.821-180 of the French Commercial Code relating to the j ustification of our assessments, we inform you of the key audit matters relating to the risks of material misstatement that, in our professional judgment, were the most significant in our audit of the financial statements, as well as how we addressed those risks. These matters were addressed as part of our audit of the financial statements as a whole, and therefore contributed to the opinion we formed as expressed above. We do not provide a separate opinion on specific items of the financial statements. Measurement of equity interests and related receivables Description of risk At December 31, 2025, the carrying amount of the Company’s equity interests and related receivables amounted to 10,027 million euros and represented around 77% of total assets. Equity interests are recognized at their transfer value or their purchase price plus directly attributable costs (in particular investment acquisition expenses). As described in Note 2.2 to the financial statements, equity interests are measured at each reporting date at their value in use. An impairment loss is recognized when their value in use, assessed individually for each interest, falls below their historical cost. In order to assess the profitability of the interest, its value in use is based on either: ● the Group’s equity in the underlying net assets of the investee; or ● the present value of the projected future cash flows, based on the strategic plan approved by the governance bodies and its underlying assumptions, plus its terminal value, which corresponds to the present value, discounted to infinity, of the cash flows for the “normative year” estimated at the end of the period covered by the future cash flow projections. However, certain activities have a finite useful life (for example due to the finite mineral resources in the active or unused mines or the limited duration of the operating permits in nuclear activities); in this case, the cash flows taken into account to measure their value in use are not discounted to infinity, but rather to the end of their expected useful life. This is a free translation into English of the Statutory Auditors’ report issued in French and is provided solely for the convenience of English speaking readers. This report includes information specifically required by European regulations or French law, such as information about the appointment of Statutory Auditors. This report should be read in conjunction with, and construed in accordance with, French law and professional auditing standards applicable in France. To the Shareholders Orano 125, avenue de Paris 92320 Chatillon

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