Annual Activity Report 2025

Orano - Annual Activity Report 2025 153 SUSTAINABILITY STATEMENT 4 Environmental information Orano has already achieved a 41% reduction in 2025 in its scopes 1 and 2 market-based emissions vs. 2019 but anticipates future increases related to the increase in its activity as part of the nuclear revival and the launch of new activities contributing to the transition (enrichment capacity increase, renewal of mining capacity, recycling of electric vehicle batteries, etc.). The group’s changes and its projects have a direct impact on the group’s scope 3 emissions, located in the upstream value chain under “Purchases of goods and services” and “Capital goods”. Since 2020, the group has been studying with its suppliers the origin of emissions within the value chains and the levers for decarbonizing its largest items. Emissions generally come from the very upstream stages of extraction or transformation (through energy consumption), which are not in the hands of the group’s direct suppliers. It is therefore expected that the decarbonization of supplies will take time. Orano therefore cannot commit to a time horizon for the reduction of its scope 3, even more so in a context of increased activities. At end-2024, the group has therefore set itself a medium-term objective, namely to engage the 80 suppliers with the highest emissions in reducing their emissions by 2030, representing 50% of scope 3 emissions from the purchase of goods and services and capital goods. CHANGE IN ORANO SCOPES 1 AND 2 MARKET-BASED GREENHOUSE GAS EMISSIONS 2004 2015 2019 2020 2021 2022 2023 2024 2025 1,107 116 638 383 366 280 262 276 240 225 287 ktCO2e GES scope 1 GES scope 2 market-based ktCO2e unit Source: Orano -65% -41% -80% Orano objective for 2030 (-25% vs. 2019) 991 212 425 203 180 192 174 151 129 137 126 150 126 102 138 77 148 2004 scope 1 and 2 market-based emissions Modernization of conversion plants (France) 2019 scope 1 and 2 market-based emissions Closing of the Cominak mine (Niger) Shutdown of fuel oil boilers in la Hague (France) Activity related changes Activity related changes 2024 scopes 1 and 2 market-based emissions Financing of photovoltaic projects in Kazakhstan and Canada Financing of photovoltaic projects in Kazakhstan and Canada 2025 scopes 1 and 2 market-based emissions 1,107 383 83 38 43 22 240 16 31 225 725 287 ktCO2e KtCO2e Source: Orano -65% -41% Orano objective for 2030 (-25% vs. 2019)

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