Orano - Annual Activity Report 2024 36 2 SITUATION AND ACTIVITIES OF THE COMPANY AND ITS SUBSIDIARIES DURING THE PAST FINANCIAL YEAR The group’s businesses MINERAL RESERVES IN THE GROUND - IN METRIC TONS OF URANIUM (TU) (ESTIMATES AT THE END OF 2024) Deposit Proven reserves Probable reserves Total reserves Ore (kt) Grade (%) Metal (tU) Ore (kt) Grade (%) Metal (tU) Metal (tU) Yield (%) Holding (%) Orano’s share (tU) Cigar Lake 322 14.14 45,539 229 12.4928,65774,196 98.7%40.45%29,624 Key Lake 61 0. 44 270 0 0 0 270 95.0% 16.67% 43 McArthur 1, 970 5.78 113,788 520 4.71 24,521 138,310 99.2% 30.20% 41,428 McClean 90 0. 31 282 0 0 0 282 98.5% 77.50% 215 TOTAL CANADA 2,444 6.54 159,879 750 7.09 53,178 213,057 99.0% - 71,311 Katco – Muyunkum 0 0 0 2, 858 0.07 2,104 2,104 84.3% 51.00% 905 Katco – Tortkuduk 0 0 0 14,785 0.11 16,124 16,124 89.3% 51.00% 7,342 TOTAL KAZAKHSTAN 0 0 0 17,643 0.10 18,229 18,229 88.7% - 8,247 TOTAL (EXCLUDING NIGER) 2,444 6.54 159,879 18,393 0.39 71,407 231,286 - - 79,558 Imouraren (1) - - - - - - - - 63.50% - Somaïr (2) 53 0.08 43 37,039 0.11 40,065 40,108 83.9% 63.40% 21,334 TOTAL NIGER 53 0.08 43 37,039 0.11 40,065 40,108 83.9% - 21,334 TOTAL 2,497 6.41 159,922 55,432 0.20 111,472 271,394 - - 100,892 (1) The State of Niger withdrew the operating permit held by Imouraren SA on June 19, 2024. On December 19, 2024, Orano Mining initiated arbitration proceedings against the State of Niger in order to assert its rights and seek remedy for all of its losses resulting from the withdrawal of the operating permit. (2) The group confirmed the loss of operational control of Somaïr SA on December 4, 2024. In particular, the State of Niger is obstructing the sale of Somaïr’s production and is opposed to Orano Mining exercising its abstraction rights. Orano Mining initiated arbitration proceedings on January 20, 2025 in order to assert, in particular, its rights to Somaïr’s production inventory. MINERAL RESOURCES IN THE GROUND - IN METRIC TONS OF URANIUM (TU) (ESTIMATES AT THE END OF 2024) Deposit Measured resources Indicated resources Total measured and indicated resources Ore (kt) Grade (%) Metal (tU) Ore (kt) Grade (%) Metal (tU) Metal (tU) Holding (%) Orano’s share (tU) Cigar Lake 76 4.14 3,128 141 4.20 5,935 9,063 40.45% 3,666 Dawn Lake 0 0 0 184 3.75 6,886 6,886 42.53% 2,929 Kiggavik 0 0 0 10,418 0.47 48,953 48,953 66.19% 32,401 McArthur 72 1.93 1,388 60 1.96 1,181 2,569 30,20% 776 McClean 0 0 0 234 1.98 4,634 4,634 77.50% 3,591 Midwest 0 0 0 1,118 1.71 19,059 19,059 74.83% 14,262 Read Lake 0 0 0 0 0 0 0 21.76% 0 Shea Creek 0 0 0 526 2.67 14,014 14,014 50.90% 7,133 TOTAL CANADA 147 3.06 4,516 12,681 0.79 100,663 105,178 - 64,759 Bagombe 0 0 0 0 0 0 0 68.42% 0 TOTAL GABON 0 0 0 0 0 0 0 - 0 Katco 0 0 0 10,414 0.09 8,915 8,915 51.00% 4,547 TOTAL KAZAKHSTAN 0 0 0 10,414 0.09 8,915 8,915 - 4,547 Dulaan Uul 0 0 0 2,567 0.03 631 631 66.00% 416 Zuuvch Ovoo 0 0 0 148,263 0.02 34,461 34,461 66.00% 22,744 TOTAL MONGOLIA 0 0 0 150,830 0.02 35,092 35,092 - 23,161 Trekkopje 0 0 0 60,100 0.01 7,320 7,320 100.00% 7,320 TOTAL NAMIBIA 0 0 0 60,100 0.01 7,320 7,320 - 7,320 Bakouma 0 0 0 0 0.00 0 0 100,00% 0 TOTAL RCA 0 0 0 0 0.00 0 0 - 0 Nurlikum 0 0 0 23,433 0.03 5,847 5,847 51.00% 2,982 TOTAL UZBEKISTAN 0 0 0 23,433 0.03 5,847 5,847 - 2,982 TOTAL (EXCLUDING NIGER) 147 3.06 4,516 257,458 0.06 157,837 162,352 - 102,768 Imouraren (1) - - - - - - - 63.50% - Somaïr (2) 0 0 0 35,155 0.09 30,609 30,609 63.40% 19,406 TOTAL NIGER 0 0 0 35,155 0.09 30,609 30,609 - 19,406 TOTAL 147 3.06 4,516 292,613 0.06 188,446 192,961 - 122,174 (1) The State of Niger withdrew the operating permit held by Imouraren SA on June 19, 2024. On December 19, 2024, Orano Mining initiated arbitration proceedings against the State of Niger in order to assert its rights and seek remedy for all of its losses resulting from the withdrawal of the operating permit. (2) The group confirmed the loss of operational control of Somaïr SA on December 4, 2024. In particular, the State of Niger is obstructing the sale of Somaïr’s production and is opposed to Orano Mining exercising its abstraction rights. Orano Mining initiated arbitration proceedings on January 20, 2025 in order to assert, in particular, its rights to Somaïr’s production inventory.
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