Orano - Annual Activity Report 2025 185 SUSTAINABILITY STATEMENT 4 Environmental information RESULTS IN TERMS OF LIABILITIES MANAGEMENT AND SITES’ END-OF-LIFE [E2-6] Objective 2030 Indicators CSRD 2025 2024 2023 Reference 2019 Progress Complete 2 emblematic remediation operations (deconstruction of the GB1 cooling towers at Orano Tricastin and end of the cleanup of the Parc aux Ajoncs (PAA) at Orano la Hague) Operational expenses (OpEx) related to major environmental pollution incidents (in millions of euros) E2-6 >40 b 0 0 0 n/a Capital expenditure (CapEx) related to major environmental pollution incidents (in millions of euros) E2-6 >40 b 0 0 0 n/a Provisions for environmental protection and clean-up costs (in millions of euros) E2-6 >40 c 9,226 9,342 9,315 n/a Progress on 2 emblematic remediation operations (deconstruction of the GB1 cooling towers at Orano Tricastin and end of the cleanup of the Parc aux Ajoncs (PAA) at Orano la Hague) (%) Entity specific 80% for cooling towers 15% on Parc aux Ajoncs (PAA) n/a n/a n/a Number of ISO 14001 certified sites Entity specific 17 18 17 n/o n/a: not applicable, n/o: not obtainable. The cost-related indicators from the CSRD directive are required from financial year 2024. Methodological clarification: Orano defines a major environmental pollution incident as a level 4 or 5 event on its internal ASSESS scale (see Section 4.3.3). The group has not suffered any to date. Provisions for environmental protection and clean-up costs include end-of-lifecycle provisions falling within the scope of the law and the provisions for the remediation of mining sites described in Section 4.2.4.4. 4.2.4.4 Financial effects related to liabilities management and sites’ end-of-life Very restricted financing of decommissioning of regulated nuclear facilities and highly regulated waste recovery facilities Article 20 of French law No. 2006-739 of June 28, 2006, on the program for the sustainable management of radioactive materials and waste establishes the principle of the creation, by the operators of regulated nuclear facilities (INB), of assets earmarked to cover the costs of decommissioning their facilities and managing the back end of the fuel cycle, in accordance with terms and conditions guaranteeing the availability of the necessary resources. The law provides for a mechanism to ensure that INB operators have the assets necessary to finance the long-term expenses related to the decommissioning of these facilities, the management of spent fuel, and radioactive waste. In accordance with Article L. 594-4 of the French Environmental Code, Orano prepares a report every three years on future expenses for the decommissioning of regulated nuclear facilities and legacy waste retrieval and casking, and long-term management of radioactive waste casks. This report was updated in June 2025. At December 31, 2024, the group’s gross undiscounted future expenses amounted to 16,992 million euros, of which 82 million euros is borne by third parties. The obligations of the la Hague facility represent more than 80% of these end-of-lifecycle expenses. The amount of provisions falling within the scope of the law at December 31, 2024, was 8,708 million euros in present value, including 70 million euros financed by third parties (Note 13 to the consolidated financial statements).
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