Annual Activity Report 2025

Orano - Annual Activity Report 2025 166 4 SUSTAINABILITY STATEMENT Environmental information ● organization of workshops dedicated to climate adaptation at the Orano Malvési site (June 2025), and organization of the annual methodology committee dedicated to climate change (September 2025), with testimonials from other manufacturers. A pilot study was initiated in 2025 around the Tricastin site, in conjunction with EDF and ESSEC. It will enable a regional approach to be tested on a local scale, and lessons to be learned for other Orano sites. In 2026, priority actions will focus on assessing the maturity of strategic suppliers in terms of adapting their own operations and assessing the adaptation needs of the regions in which they operate. 2025 IN ACTION Progress on redeveloping the Bois Noirs Limouzat (BNL) site Concerning the Bois Noirs Limouzat site, the application for environmental authorization (DDAE) was submitted to the prefecture on June 30, 2025, by Orano Mining teams, in accordance with the prefectural order. This project involves replacing the current water cover with a solid cover at the tailings storage facility in order to address the long-term impacts of climate change-related hazards. Climate change adaptation targets and outcomes In the Commitment 2030 roadmap, the group is targeting 100% of industrial operations with a climate change adaptation plan (other than tertiary activity). This objective takes into account the expectations of stakeholders, particularly shareholders and customers. Its effectiveness is measured by the formalization of adaptation plans by the operating entities. In 2025, the formalization of adaptation plans by industrial operations was one of the objectives used in the variable compensation of the managers concerned. At end-2025, the 10 operational operations planned for the year worked on formalizing their adaptation plan. The group spent 15 million euros in 2025 on the adaptation of its entities. The costs associated with climate change adaptation actions remaining to be spent amount to 235 million euros over 10 years. They are integrated into the group’s financial trajectory. ADAPTATION OUTCOMES [E1-1] Objective 2030 Indicators CSRD 2025 2024 2023 Reference 2019 Progress Implement an adaptation plan for 100% of Orano’s industrial activities Share of industrial activities that have a climate change adaptation plan (%) Entity specific 83% n/a n/a n/a Climate change adaptation CapEx spent in 2025 (in millions of euros) E1-1>16c 15 n/o n/o n/o CapEx dedicated to the climate change adaptation plan still to be spent (in millions of euros) E1-1>16c 235 n/o n/o n/o Methodological clarification: Industrial operations covers industrial sites and service activities. Industrial sites that will no longer be in operation in 2050 are excluded. 4.2.1.6 Financial impacts of climate change Orano is working to quantify the financial effects of physical and transition risks. The group plans to publish within two years, in accordance with the provisional requirements set out in the standard. 4.2.1.7 Application of the European taxonomy to the activities of the Orano group Background The European Regulation 2020/852 on the European Green Taxonomy aims to direct capital flows towards environmentally sustainable investments, without prejudice to social minimums. This defines the criteria for assessing the sustainability of economic activities. An activity is considered eligible for the Taxonomy if it is included in the list of activities described in the regulations, meeting one or more of the following six environmental objectives: ● climate change mitigation; ● adaptation to climate change; ● sustainable use and protection of water and marine resources; ● transition to a circular economy; ● pollution prevention and reduction; and ● protection and restoration of biodiversity and ecosystems.

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