Annual Activity Report 2025

Orano - Annual Activity Report 2025 211 SUSTAINABILITY STATEMENT 4 Social and societal information Alleged cases of harassment, as well as sexist or discriminatory behavior, must be investigated in accordance with strict principles, including fair treatment of all parties involved, discretion in handling the situation, and anonymity of information disclosed to third parties. Following the investigation, Management reserves the right to initiate any disciplinary action. Each case is the subject of an action plan managed by the human resources teams and shared with the employee representative bodies if necessary. Orano Vox, a regular employee survey In 2017, Orano set up an annual employee engagement barometer called Orano Vox. The purpose of this approach is to assess employees’ engagement and their state of mind, to measure their understanding of the group’s issues and the corporate project, and to report on strengths and concerns. The 2025 edition posted record participation of 79%. It confirmed the strengths: ● a safety culture that continues to progress; ● a resounding endorsement of actions in the areas of training, everyday respect, and CSR commitment; and ● a better understanding of the group’s strategy and the group’s challenges in terms of efficiency. However, areas for improvement remain and will be among the group’s priorities in 2026: IT issues and tool performance, management of recruitment in a growth phase and organization between the group’s entities. The group monitors, among other things, the commitment rate, which corresponds to the proportion of employees who responded to the survey who would recommend Orano as an employer to their family or friends. The engagement rate (corresponding to the Net Promoter Score) was 67% for the 2025 campaign, up 5 points compared to 2024. RESULTS IN TERMS OF EMPLOYEE ENGAGEMENT Objective 2030 Indicators ESRS 2025 2024 2023 Reference 2019* Progress Achieving an Employee Engagement rate of 70% Employee Engagement rate Entity specific 67% 62% No campaign 52% Methodological clarification: The engagement rate is measured during the employee survey campaign called “OranoVox”, via four questions around pride and recommendation. * The 2019 values have been recalculated to be pro forma to the 2022 value, following a change in method. The participation rate for the 2025 campaign was 79% of employees. COLLECTIVE BARGAINING AND SOCIAL DIALOGUE RESULTS [S1-8] Indicators (GRI 102-41) ESRS 2025 2024 2023 Reference 2019 Percentage of employees covered by a collective agreement S1-8>60a 97% 97% n/a n/a Of which France (%) S1-8>60 b 100% 100% 100% 100% Number of agreements signed during the year (France) Entity specific 66 62 58 49 Percentage of employees covered by employee representatives (worldwide) (%) S1-8>63 a 98% 98% n/a n/a France S1-8>63 a 100% 100% 100% 100% Methodological precision: This indicator is calculated on the basis of 4 countries covering 97% of the workforce.

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