Orano - Annual Activity Report 2025 109 RISK CONTROL AND VIGILANCE PLAN 3 Vigilance plan MAIN INDICATORS RELATED TO THE VIGILANCE PLAN HEALTH – OCCUPATIONAL SAFETY Indicators 2025 2024 2023 Reference 2019 Comments Results indicators Accident frequency rate with lost time (excluding commuting accidents) 1.0 1.1 1.2 1.8 Number of fatal accidents among Orano employees 0 0 0 0 Number of fatal accidents at external companies 0 1 0 0 Average exposure of employees to radiation over 12 consecutive months (mSv) 0.58 0.63 0.59 0.84 To be compared with the maximum additional authorized exposure for the public of 1 mSv Average exposure of subcontractors to radiation over 12 consecutive months (mSv) 0.46 0.51 0.69 0.50 To be compared with the maximum additional authorized exposure for the public of 1 mSv Maximum dose for Orano employees (mSv) 11.4 11.5 12.1 15.9 To be compared with annual authorized maximum dose of 20 mSv The maximum dose displayed for 2025 is “excluding incidental situations.” A containment breach event that occurred in April 2025 was reported to the ASNR, without exceeding an annual regulatory limit. Means indicators Percentage of its workforce covered by its health and safety management system based on legal requirements and/or recognized standards or guidelines 100% 100% n/a n/a Number of ISO 45001 and OHSAS 18001 certified sites 22 22 22 n/a Number of listening and psychological support services in place (France 25 25 25 n/a n/a: not applicable All methodological details are available in Chapter 4 – Sustainability information.
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