ORANO // Annual Activity Report 2024

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)

Total reserves

Proven reserves

Probable reserves

Ore (kt)

Grade ( %)

Metal ( tU)

Ore (kt)

Grade (%)

Metal ( tU)

Metal (tU)

Yield (%)

Holding (%)

Orano’s share (tU)

Deposit

Cigar Lake Key Lake McArthur McClean

322 14.14 45,539

229 12.4928,65774,196 98.7%40.45%29,624

61

0. 44

270

0

0

0

270 95.0% 16.67%

43

1, 970

5.78 113,788

520

4.71 24,521 138,310 99.2% 30.20% 41,428

90

0. 31

282

0

0

0

282 98.5% 77.50% 215

TOTAL CANADA Katco – Muyunkum Katco – Tortkuduk TOTAL KAZAKHSTAN

2,444 6.54 159,879

750 7.09 53,178 213,057 99.0%

-

71,311

0 0 0

0 0 0

0 2, 858 0 14,785

0.07 2,104 2,104 84.3% 51.00% 905 0.11 16,124 16,124 89.3% 51.00% 7,342

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%

-

53

0.08

43 37,039

0.11 40,065 40,108 83.9% 63.40% 21,334

Somaïr (2)

TOTAL NIGER

53 0.08

43 37,039 0.11 40,065 40,108 83.9%

-

21,334

TOTAL - 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 con fi rmed 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. 2,497 6.41 159,922 55,432 0.20 111,472 271,394 -

MINERAL RESOURCES IN THE GROUND - IN METRIC TONS OF URANIUM (TU) (ESTIMATES AT THE END OF 2024)

Total measured and indicated resources

Measured resources

Indicated resources

Ore ( kt)

Grade (%)

Metal (tU)

Ore (kt) 141 184

Grade (%)

Metal (tU)

Metal (tU)

Holding (%)

Orano’s share (tU)

Deposit

Cigar Lake Dawn Lake Kiggavik McArthur McClean Midwest Read Lake Shea Creek

76

4.14 3,128

4.20 5,935 9,063 40.45% 3,666 3.75 6,886 6,886 42.53% 2,929 0.47 48,953 48,953 66.19% 32,401 1.96 1,181 2,569 30,20% 776 1.98 4,634 4,634 77.50% 3,591 1.71 19,059 19,059 74.83% 14,262

0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0

0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0

0

0 10,418

72

1.93 1,388

60

0

234

0 1,118

0 0

0

0

0

0 21.76%

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 0

0 68.42%

0 0

TOTAL GABON

0

-

Katco

0 10,414

0.09 8,915 8,915 51.00% 4,547

TOTAL KAZAKHSTAN

0 10,414 0.09 8,915 8,915

-

4,547

Dulaan Uul

0 2,567 0 148,263

0.03

631

631 66.00% 416

Zuuvch Ovoo

0.02 34,461 34,461 66.00% 22,744

TOTAL MONGOLIA

0 150,830 0.02 35,092 35,092

-

23,161

Trekkopje

0 60,100

0.01 7,320 7,320 100.00% 7,320

TOTAL NAMIBIA

0 60,100 0.01 7,320 7,320

-

7,320

Bakouma

0 0

0

0.00

0 0

0 100,00%

0 0

TOTAL RCA

0 0.00

0

-

Nurlikum

0 23,433

0.03 5,847 5,847 51.00% 2,982

TOTAL UZBEKISTAN

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 0

0 35,155

0.09 30,609 30,609 63.40% 19,406

TOTAL NIGER

0 35,155 0.09 30,609 30,609

-

19,406

TOTAL - 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 con fi rmed 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. 147 3.06 4,516 292,613 0.06 188,446 192,961

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Orano - Annual Activity Report 2024