Annual Activity Report 2025

Orano - Annual Activity Report 2025 138 4 SUSTAINABILITY STATEMENT Societal and environmental challenges at the heart of the strategy Substances of concern and very high concern [E2] The sub-topic of “Substances of concern and very high concern” does not emerge as material from the double materiality analysis. Like many manufacturers, Orano uses hazardous chemicals in accordance with European Regulation No. 1272/2008 known as CLP, for the classification, labeling and packaging of chemical substances and mixtures. The group uses a limited number of substances of concern for its core business processes, according to the rules in force and with all the necessary authorizations. The use of these substances is subject to a risk assessment and appropriate risk management measures are implemented to limit the impacts on employees and the environment, in accordance with the principle of proportionality. However, it is important to note that Orano does not use any substance or mixture subject to the authorization process of REACH Regulation No. 1907/2006 for certain substances classified as SVHC (substances of very high concern listed in Annex XIV of the regulation). As part of the implementation of the REACH regulation, an internal procedure sets the guidelines for the definition of new industrial processes. Water and marine resources [E3] Orano does not use seawater or marine resources in its industrial operations for the extraction, chemistry, or recycling of uranium materials. The group operates a desalination plant in Namibia. It sells its production to the Namibian water distributor Namwater, which supplies existing mines and meets the needs of local communities. This produced around 17.6 million m3 of freshwater in 2025. Part of the water produced supplies local industries in the Erongo region in the Swakopmund area. The plant therefore has a positive effect on the preservation of the groundwater freshwater resources in this arid region. This societal and environmental effect is recognized by the European green taxonomy framework (see Section 4.2.1.7), but its impact was not sufficient to qualify the subtopic as material. Impacts on the state of species [E4], Impacts on the extent and condition of ecosystems [E4] and Invasive alien species [E4] These sub-topics do not emerge as material in the analysis of pressure factors on biodiversity carried out by the group. This result was based in particular on a Global Biodiversity Score (GBS) analysis and is linked to the local features of the group’s mining sites in terms of species and ecosystems. Circularity in inputs [E5] According to studies external to the group (BRGM, SFEN, WNA, etc.), nuclear energy is one of the energies requiring the fewest raw materials per GWh produced. Although the topic is not material, Orano is working to reduce its consumption per unit of production. Hazardous and non-hazardous waste [E5] Even though non-material, Orano introduced an indicator on the recovery rate of conventional hazardous and non-hazardous waste to emphasize waste recovery initiatives. The group has set itself an increase in this rate to 70% by 2030. In 2025, the conventional waste recovery rate reached 70%. Disability [S1] Although the “Disability” sub-topic is non-material, Orano has operated an inclusive policy in favor of persons with disabilities for more than 15 years. It is led by a network of Diversity and Disability officers in each establishment in France. Each year, the group progresses towards its objective of reaching the legal rate of 6% of workers with a disability. This positive development is the result of numerous initiatives implemented under eight successive agreements, which have made it possible to structure a stable and solid disability policy recognized by all employees. Retention in employment is the first item of expenditure in the disability budget. Orano is also committed to sharing and promoting its best practices in terms of disability beyond French borders, in order to inspire a culture of inclusion on a global scale. Wherever it operates, the group ensures compliance with local disability laws and incorporates this criterion into its Code of Ethics as a nondiscrimination element applicable in all countries. Rights of Indigenous peoples [S3] Canada is the only country where the group operates that recognizes indigenous people. The sub-topic is therefore not material due to the assessment of the scope. Orano conducts its activities in accordance with the fundamental rights of local communities and indigenous peoples and in accordance with the relevant laws of the States concerned. Orano Canada has signed three cooperation agreements with Cameco – Pinehouse (2012), English River First Nations (2013), Athabasca Basin Ya’Thi Néné (2016). Built around four pillars – economic development, local workforce development and training, community investment, and environmental management, these agreements contribute to improving the health and well-being of indigenous peoples (First nations and Métis), promote their culture, protect the environment, and promote their economic development. In addition to the cooperation agreements, Orano Canada strives to contribute to the social and economic well-being of communities in the north of the province of Saskatchewan. Animal welfare [G1] The “Animal welfare” sub-topic applies only to the Orano Med subsidiary. The assessment of impacts or risks on this activity does not allow us to classify this sub-topic as material. It complies with regulations in the field.

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