Annual Activity Report 2025

GOVERNANCE OF THE COMPANY AND GENERAL INFORMATION

Administration and management of the Company

Changes in the composition of the Board and its committees in 2025

Departure

Appointment

Renewal

Cécile SELLIER (July 10, 2025) François JACQ (July 30, 2025)

Julie SERRIER (July 31, 2025) Anne-Isabelle ETIENVRE (July 31, 2025) Aurore NEUSCHWANDER (February 18, 2025)

Board of directors

Audit and ethics committee

Compensation and nominating committee Strategy, investments and sustainability committee

François JACQ (July 30, 2025) Cécile SELLIER (July 10, 2025)

Anne-Isabelle ETIENVRE (July 31, 2025)

Julie SERRIER (July 31, 2025)

End-of-lifecycle obligations monitoring committee

Changes in the composition of the Board and its committees planned in 2026 Changes occurring between January 1, 2026 and the reporting date Since January 1, 2026 and until the date of submission of this report, the following changes and events have occurred in the composition of the Board of directors:

Departure

Appointment

Anne-Marie DESCÔTES (February 9, 2026) Anne-Marie DESCÔTES (February 9, 2026)

Martin BRIENS (February 19, 2026) Martin BRIENS (February 19, 2026)

Board of directors

Strategy, investments and sustainability committee

On February 19, 2026, the Board of directors, on the recommendation of the compensation and nominating committee and on the proposal of the French State, decided to co-opt Martin BRIENS as a Director of the Company, replacing Anne-Marie DESCÔTES, who resigned on February 9, 2026, for the remainder of her term of of fi ce ( i.e. until the end of the General Meeting of April 30, 2026). On the same day, the Board of directors decided to appoint Martin BRIENS as a member of the strategy, investments and sustainability committee.

Reappointments of directors’ terms of of fi ce proposed to the General Meeting of April 30, 2026 The terms of of fi ce as Director of Mr. Philippe BRAIDY, Mr. Martin BRIENS, Mr. Claude IMAUVEN, Ms. Anne-Sophie LE LAY, Mr. Nicolas MAES and Mr. Patrick PELATA will expire at the General Meeting called to approve the fi nancial statements for the fi nancial year ending December 31, 2025. On the proposal of the Board of directors’ meeting of February 19, 2026, after consulting the compensation and nominating committee, the General Meeting scheduled to be held on April 30, 2026 will therefore be called upon to approve the reappointment of these directors. The terms of of fi ce of the directors representing employees, Mr. David LECAVELIER and Mr. Cyrille VINCENT, will also expire at the General Meeting called to approve the fi nancial statements for the fi nancial year ending December 31, 2025.

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Orano - Annual Activity Report 2025