Orano - Annual Activity Report 2024 146 4 SUSTAINABILITY STATEMENT Environmental information DESCRIPTION OF ACUTE AND CHRONIC RISKS Area of activity Extreme phenomena (extreme temperature, heavy rain, storms, flooding) Plants Increased extreme temperature events and intense precipitation, especially in the Mediterranean region and West Africa ● Fuel cycle plants: risks of a fall in production or temporary shutdowns (sites in the south of France, in particular) ● Difficulties in cooling certain facilities identified ● Increased risk of a violent Mediterranean episode with flooding and damage to the effluent basins of the establishments concerned Mining ● Sharp increase in extreme heat peaks at the Canadian and Kazakh sites (+3°C for maximums according to the RCP 8.5 in 2050), and an increase in the intensity of extreme precipitation events ● Risks of a fall in production or temporary shutdown of sites (loss of electricity supply, breakdown and loss of production equipment, flooding, and damage to dikes or wastewater basins, etc.) Suppliers ● Significant delays and disruption in the supply of manufactured or chemical products, particularly from certain suppliers Radioactive material flows ● Logistical difficulties (destruction of roads, traffic interruption, disruptions) related to inclement weather) and heat peaks that threaten road and rail traffic ● On the roads used, the increase in maximum temperatures is +5°C in North America, +4.4°C in Central Asia, according to the RCP 8.5 in 2050 ● Risk of partial or total unavailability of ports (flooding by tides during storms) DESCRIPTION OF THE MAIN LEVERS FOR ADAPTING TO PHYSICAL RISKS Area of activity Main levers for adapting to chronic and acute physical risks Plants Cooling capacity upgrade Working conditions adaptation Water footprint reduction program ● Resizing of water management systems (dry period and violent Mediterranean episode) Mining ● Specific studies of resilience to climate hazards ● Resizing of water management systems Suppliers ● Monitoring of vulnerabilities and adaptation of strategic suppliers ● Geographic diversification of supplies ● Integration of an outsourced activity in the event of a mismatch Radioactive material flows ● Diversification of logistics routes ● Specific studies on transport conditions Area of activity Chronic phenomena (average temperature, drought, water resources, sea level, etc.) Plants Increase in average temperatures, drought and decrease in water resources Deterioration of working conditions on sites ● Fuel cycle plants: decrease in water resources for the identified sites, chronic difficulties in discharging liquid effluents (long low-water levels in the Rhône), risk of the development of algae and micro-organisms (effluent discharge basins) ● Orano is very little affected by the increase in sea level by 2100, with the exception of one of its sites Mining ● The duration of periods of drought varies little, with episodes already experienced today, however the intensity is increasing. ● The “forest fire” hazard, as in Canada, for example, already observed due to waves of drought, is not expected to increase ● Sites not affected by the risk of river and coastal flooding Suppliers ● Increase in supply costs for certain suppliers identified as the most sensitive to climate conditions Radioactive material flows ● Deterioration of road transport conditions (increased hardship, additional costs, risk of overheating of machines, etc.). Roads in Kazakhstan could exceed 40° C for 19 days per year compared to 2 days per year currently according to RCP 8.5 in 2050.
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