Annual Activity Report 2025

PRESENTATION OF THE ORANO GROUP A responsible and fully committed governance

1.5 A responsible and fully committed governance

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COMPOSITION OF THE BOARD OF DIRECTOR (as of December 31, 2025) Independent Directors (4)

Directors proposed by the State (5)

Nicolas MAES Chief Executive Of fi cer

Claude IMAUVEN Chairman of the Board

Anne-Sophie LE LAY

Philippe BRAIDY

Anne-Marie DESCÔTES (1)

13 members 6

Patrick PELATA Marie-Hélène SARTORIUS

Julie SERRIER

Anne-Isabelle ETIENVRE

92 % participation

meetings

Directors representing employees (2)

Aurore NEUSCHWANDER

Director representing the State i

David LECAVELIER

Cyrille VINCENT

Romain VALENTY

Audit and ethics committee

Strategy, investments and sustainability committee

Compensation and nominating committee

End-of-lifecycle obligations monitoring committee

From left to right: Pascal AUBRET Performance; Guillaume DUREAU Projects, Innovation, R&D and New activities; Laurence GAZAGNES Health, Safety and Environment; and Project Industrialization; Jean-Christophe PATOUT (2) Dismantling and Services BU; François LURIN Chemistry Enrichment BU; Hélène DERRIEN People and Communications; Jacques PEYTHIEU Customers and Strategy; Nicolas MAES Chief Executive Of fi cer; Corinne SPILIOS Recycling BU; David CLAVERIE Finance; Xavier SAINT MARTIN TILLET Mining BU; Frédéric de AGOSTINI Nuclear Packages and Services BU; Nicolas FERRAND Aval du Futur program. COMPOSITION OF THE EXECUTIVE COMMITTEE

(1) Anne-Marie DESCÔTES’s term of of fi ce as Director ended on February 9, 2026. (2) Director of the Decommissioning and Services BU during fi nancial year 2025 and until January 31, 2026.

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Orano - Annual Activity Report 2025