ORANO // Annual Activity Report 2024

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SUSTAINABILITY STATEMENT Environmental information

DESCRIPTION OF ACUTE AND CHRONIC RISKS

Area of activity

Extreme phenomena (extreme temperature, heavy rain, storms, fl ooding)

● Fuel cycle plants: risks of a fall in production or temporary shutdowns (sites in the south of France, in particular) ● Dif fi culties in cooling certain facilities identi fi ed ● Increased risk of a violent Mediterranean episode with flooding and damage to the effluent basins of the establishments concerned ● 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. ) ● Signi fi cant delays and disruption in the supply of manufactured or chemical products, particularly from certain suppliers ● Logistical dif fi culties (destruction of roads, traf fi c interruption, disruptions) related to inclement weather) and heat peaks that threaten road and rail traf fi c ● 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) ● Fuel cycle plants: decrease in water resources for the identi fi ed sites, chronic dif fi culties 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 ● The duration of periods of drought varies little, with episodes already experienced today, however the intensity is increasing. ● The “forest fi re” 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 ● Increase in supply costs for certain suppliers identi fi ed as the most sensitive to climate conditions ● 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.

Plants

Increased extreme temperature events and intense precipitation, especially in the Mediterranean region and West Africa

Mining

Suppliers

Radioactive material flows

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

Mining

Suppliers

Radioactive material flows

DESCRIPTION OF THE MAIN LEVERS FOR ADAPTING TO PHYSICAL RISKS

Area of activity

Main levers for adapting to chronic and acute physical risks

Plants

● Resizing of water management systems (dry period and violent Mediterranean episode)

Cooling capacity upgrade

● Speci fi c studies of resilience to climate hazards ● Resizing of water management systems

Mining

Working conditions adaptation Water footprint reduction program

● Monitoring of vulnerabilities and adaptation of strategic suppliers ● Geographic diversi fi cation of supplies ● Integration of an outsourced activity in the event of a mismatch

Suppliers

● Diversi fi cation of logistics routes ● Speci fi c studies on transport conditions

Radioactive material flows

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Orano - Annual Activity Report 2024