Orano - Annual Activity Report 2025 93 RISK CONTROL AND VIGILANCE PLAN 3 Vigilance plan The transport of radioactive materials is subject to planned or unannounced inspections and checks by the competent authorities, as well as the Orano Transport Supervision Department. Orano organizes around 250 audits and inspections per year around the world within the scope of its radioactive material transport activity to ensure compliance with applicable regulations. Orano’s staff or its subcontractors involved in the handling and transport of radioactive materials also receive appropriate training in radiation protection and, for those who are exposed, dosimetric monitoring is implemented. At international sites located in areas potentially exposed to intrusion attempts, the group ensures optimal physical protection, in close coordination with the relevant states and their respective armed forces. Prevention of the risk of adverse impact on biodiversity and/or risks related to the exploitation of the resources necessary for operations Description of the risk The deployment of the group’s activities in new areas could contribute to the local erosion of biodiversity, particularly due to mining operations in sensitive regions. The activities of Orano require raw materials and water resources. In the event of a shortage, the group’s use of water and raw materials could impact ecosystems. Risk prevention Orano pays attention to the preservation of biodiversity and includes it as a priority to ensure compatibility of its activities with the environment. It attaches particular importance to the responsible use of resources in its activities and has set itself a goal of minimizing its environmental footprint. Preservation of nature Overall, the prevention of risks to fauna and flora is taken into account and integrated from the design phases of new projects, via the implementation of the best available technologies, then throughout the operating phases of the facilities, and finally during site remediation. Orano is committed to taking action to avoid and reduce impacts and offset when necessary. It adopted a Nature strategy succeeding its biodiversity strategy. This strategy is structured around three key pillars: ● preserving existing nature; ● coexisting with the nature present on Orano sites; and ● enhancing nature. These pillars involve strict compliance with carbon commitments as well as increased knowledge of the biodiversity present on the relevant sites through numerous detailed inventories. In 2025, they were implemented at the main high-stakes sites in France and abroad and resulted in the adoption of a three-year action program in favor of nature. Actions to preserve biodiversity Furthermore, an environmental impact study (EIS) is conducted for each new project or whenever a major modification to industrial facilities is expected. It incorporates an AvoidReduce-Compensate (ARC) analysis of biodiversity, and aims to characterize the potential effects of the facility’s discharges and dangers on health and the environment. EIS take into account the specific features of the local environment (geology, hydrology, meteorology, natural and human environment, etc.) as well as the possible presence of protected species or habitats. Impact studies are reviewed (and updated if necessary) during the tenyear review of the facility in France or in accordance with local regulatory requirements abroad. The impact studies carried out by the group are supplemented by regular local inventories with, for instance, standardized rating methods to monitor and assess the impact of activities on biodiversity. By the end of 2025, all operating mining sites had recent inventories of fauna and flora. In France, the operational sites and the main redeveloped sites are subject to specific monitoring by environmental experts. These inventories are used to update knowledge on the issues associated with local biodiversity in order to ensure better monitoring. For example, following the ten-year inventory completed on the Tricastin site in 2021, several recommendations were made on the site, such as: ● the management of green spaces (management of wasteland and grassland, as well as dead wood); ● the planting of native species; ● ecological management of trees; and ● staff awareness-raising, with a competition for the creation of birdhouses and insect hotels by employees. To this end, biodiversity awareness posters are placed at the Tricastin site. In addition, also at the Tricastin site, a collaborative project to plant 800 trees in a Miyawaki microforest, favoring local species, was carried out at the end of 2025. The Malvési site has carried out projects aimed at protecting biodiversity in partnership with the SMDA (Syndicat mixte du delta de l’Aude) and the PNR (Parc national régional de la Narbonnaise in the Mediterranean), including the implementation of biomonitoring by bees and even work to repair the banks of the Tauran Canal, which runs along the site. Because of their location and land footprint, mining sites are particularly concerned with the protection and conservation of biodiversity, whether during the exploration, operating or “postmining” phases. This is why Orano Mining, an active member of the ICMM, is committed to implementing actions to avoid and reduce impacts, restore and offset, where necessary, on its sites. In this regard, the Company also adopted a biodiversity strategy in 2021. For example, in 2020, Orano Mining created a nursery in Mongolia with the support of local scientists in order to effectively replant saxauls, a species endemic to the region.
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