Annual Activity Report 2025

7

MISCELLANEOUS INFORMATION List of French companies indirectly controlled by Orano at December 31, 2025

Orano’s indirect fi nancial

Share capital (in euros)

Majority shareholder

interest in the Company (%)

Company name

Legal form

Business register

Address

Orano Temis

Simpli fi ed joint stock company with a sole shareholder Limited liability company with a Board of directors

1,300,000

CHERBOURG business register 350 357 596 CHAUMONT business register 502 699 556 MONTPELLIER business register 317 898 815 NANTERRE business register 443 324 306 NANTERRE business register 331 981 415 NANTERRE business register 310 232 889 NANTERRE business register 440 252 666 NANTERRE business register 905 140 471 NANTERRE business register 503 993 149 ANNECY business register 325 720 209 NANTERRE business register 303 587 216

ZA d’Armanville 8, route de la Bergerie 50700 VALOGNES, FRANCE

Orano Recyclage

100.00

Saint Dizier Parc Énergie

400,000

Haute-Marne Reference Zone 52100 BETTANCOURT-LA-FÉRRÉE, FRANCE 41, avenue de Fumel 34700 LODÈVE, FRANCE

OranoDel fi

59.95

SCI du Pont de Celles – Société civile immobilière du Pont de Celles SCI Socimar – SCI du site de Marcoule SCI Soparim – SCI de participation immobilière de la Manche SEPIS – Société d’étude de procédés industriels spéciaux SET – Société d’Enrichissement du Tricastin SET Holding – Société d’Enrichissement du Tricastin Holding SICN – Société Industrielle de Combustible Nucléaire So fi dif – Société franco-iranienne pour l’enrichissement de l’uranium par diffusion gazeuse Sovagic – Société pour la valorisation et la gestion d’infrastructures communes SET Expansion

Property partnership

15,000

SEPIS

100.00

Property partnership

2,000

125 avenue de Paris 92320 CHÂTILLON, FRANCE

SEPIS

100.00

Property partnership 1,500,000

125 avenue de Paris 92320 CHÂTILLON, FRANCE

Orano Recyclage

100.00

Private limited liability company

7,800

125 avenue de Paris 92320 CHÂTILLON, FRANCE

Orano Démantèlement

100.00

Simpli fi ed joint stock company with a sole shareholder Simpli fi ed joint stock company with a sole shareholder

464,590,000

125 avenue de Paris 92320 CHÂTILLON, FRANCE

SET Holding

95.00

300,035,000

125 avenue de Paris 92320 CHÂTILLON, FRANCE

SET Holding

100.00

Simpli fi ed joint stock company

440,087,530

125 avenue de Paris 92320 CHÂTILLON, FRANCE

Orano Chimie Enrichissement

95.00

Simpli fi ed joint stock company with a sole shareholder Limited liability company with a Board of directors

750,000

4, rue du Radar 74000 ANNECY, FRANCE

Orano Démantèlement

100.00

20,968,750

125 avenue de Paris 92320 CHÂTILLON, FRANCE

Orano Chimie Enrichissement

60.00

Private limited liability company

30,500

CHERBOURG business register 327 194 866

Digulleville Industrial Zone – Beaumont, BP 710 50440 DIGULLEVILLE, FRANCE

Orano Recyclage

100.00

Trihom

Simpli fi ed joint stock company

52,566.75

TOURS business register 378 649 040

Belliparc – rue Yvette Cauchois Véron Sud business park 37420 BEAUMONT-EN-VÉRON, FRANCE

Orano DS

50.4

430

Orano - Annual Activity Report 2025