Annual Activity Report 2025

Orano - Annual Activity Report 2025 201 SUSTAINABILITY STATEMENT 4 Social and societal information OCCUPATIONAL SAFETY RESULTS [S1-14] Objective 2030 Indicators (GRI 403-9) ESRS 2025 2024 2023 Reference 2019 Progress Aim for the highest standards in health, safety and radiation protection with an accident frequency rate less than or equal to 1 Accident frequency rate with lost time (excluding commuting accidents) S1-14>88 c 1.0 1.1 1.2 1.8 Number of recordable work-related accidents with lost time (excluding commuting accidents) S1-14>88 c 33 37 43 n/a Accident severity rate (accidents reported during the year, excluding commuting accidents) S1-14>88 c 0.09 0.08 0.06 0.08 Number of days lost due to workplace accidents or deaths due to workplace accidents involving employees S1-14>88 e 2,721 2,399 n/a n/a Number of fatal accidents among Orano employees S1-14>88 b 0 0 0 0 Number of fatal accidents at external companies S1-14>88 b 0 1 0 1 n/a: not applicable. Indicator monitored since 2024 as required by the CSRD Directive. Methodological clarification: Orano publishes work-related accidents with lost time, excluding commuting accidents, listed according to national regulations The accident frequency rate with lost time (excluding commuting accidents) is calculated per million hours worked. The hours worked used to calculate the frequency rate are the cumulative hours over a rolling 12 months between December 2024 and November 2025, estimated by country and on a FTE basis. For the calculation, the group may restate accidents with lost time from 2024 reclassified by the administrative authority. This was not the case in 2025. The number of days lost includes all days, excluding the day of the accident includes the first full day until the last day of absence. Weekends and days of leave are included. These indicators are calculated in accordance with the consolidation rules in force. They are based on actual data, without assumptions. Data for Niger subsidiaries are included until November 30, 2024, in accordance with the alignment with the financial statements.

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