Annual Activity Report 2025

Orano - Annual Activity Report 2025 233 SUSTAINABILITY STATEMENT 4 Social and societal information 4.3.4 Operating efficiently for citizens [S4] 4.3.4.1 IROs related to consumers and end-users In the context of the group’s current activities, end-users are the citizens of the countries of the customers that the group serves. These provide them with nuclear electricity. There is no particular sub-group among end-users. For its materiality analysis and the identification of Impacts, Risks and Opportunities (IRO), Orano relied on its existing mapping (risks, vigilance), the knowledge of its experts and existing studies (impact studies, specific studies, etc.), as well as interviews with 150 stakeholders, as described in Section 4.1.5.2 Double materiality analysis methodology. For the analysis relating to consumers and end-users, the group relied on feedback from its customers, as well as on public discussions on energy issues. MATERIAL IMPACTS, RISKS AND OPPORTUNITIES FOR CONSUMERS AND END-USERS Type Impact, Risk and Opportunity Localization in the value chain and time horizon CONTINUITY AND COST FOR CITIZENS [S4] POTENTIAL NEGATIVE IMPACT IMPACT OF ORANO’S ACTIVITIES ON THE COST OF NUCLEAR ELECTRICITY OWN OPERATIONS, DOWNSTREAM IRO The increase in our costs has an impact on our customers’ margins or on the cost to the end-user. Description Electricity is a basic commodity. Its cost is a factor of energy poverty. The impact of the increase in Orano’s costs on the price of electricity could have a negative impact on the budgets of French citizens and companies that consume electricity. POTENTIAL NEGATIVE IMPACT IMPACT ON CITIZENS IN CASE OF A DISRUPTION IN ELECTRICITY SUPPLY OWN OPERATIONS, DOWNSTREAM IRO Orano’s inability to deliver to its customers can result in a lack of electricity for citizens. Description Electricity is a basic commodity. Orano’s inability to honor its commitments (delivery of uranium, delivery of MOX fuel and receipt of spent fuel) would deprive French citizens and companies that consume electricity. Orano ensures the security of uranium supply to its customers thanks to the geographical diversification of its sites. The group also aims to maintain more than 20 years of resources and reserves at all times. To this end, Orano continually explores to discover new deposits. FUTURE RISK RISK IN THE EVENT OF COST INCREASES OWN OPERATIONS, DOWNSTREAM IRO Orano’s inability to pass on cost increases to its customers may lead to a deterioration in the margin. Description Not being able to pass on the increase in Orano’s costs to its customers would have a negative impact on the group’s results and cash flow, but also on its ability to invest. TRANSPARENCY AND INFORMATION FOR CITIZENS [S4] POTENTIAL NEGATIVE IMPACT TRANSPARENCY NECESSARY FOR THE ACCEPTANCE OF THE GROUP’S ACTIVITIES OWN OPERATIONS IRO Transparency is a necessary condition for the acceptance of its activities. Description Lack of transparency relating to an anomaly or an incident at a nuclear site could lead to a request by the Nuclear Safety Authority (ASNR) to shut down the affected site. The consequence would be a loss of revenue and cash flow. Orano is committed to providing the public with reliable disclosure.

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