Orano - Annual Activity Report 2025 289 GOVERNANCE OF THE COMPANY AND GENERAL INFORMATION 5 Administration and management of the Company The following table shows the attendance rate of directors and committee members as of December 31, 2025: Board of directors Audit and ethics committee Compensation and nominating committee Strategy, investments and sustainability committee End-of-lifecycle obligations monitoring committee Claude IMAUVEN 100% n/a n/a 100% n/a Nicolas MAES 100% n/a n/a n/a n/a Philippe BRAIDY 100% n/a 100% n/a n/a Anne-Marie DESCÔTES 100% n/a n/a 50% n/a Anne-Isabelle ETIENVRE (1) 67% n/a n/a - % n/a François JACQ (2) 33% n/a n/a 25% n/a David LECAVELIER 83% n/a 60% 100% n/a Anne-Sophie LE LAY 100% 86% n/a n/a n/a Aurore NEUSCHWANDER (3) 100% 100% n/a n/a n/a Patrick PELATA 100% n/a n/a n/a n/a Marie-Hélène SARTORIUS 100% 100% 100% n/a 100% Cécile SELLIER (4) 67% n/a n/a n/a 67% Julie SERRIER (5) 100% n/a n/a n/a 100% French state represented by Romain VALENTY 83% 86% 80% 83% 100% Cyrille VINCENT 100% 100% n/a n/a 100% (1) Director and member of SISC since July 31, 2025. (2) Director and member of SISC until July 30, 2025. (3) Member of the AEC since February 18, 2025. (4) Director and Chairwoman of the EoLOMC until July 10, 2025. (5) Director and Chairwoman of the EoLOMC since July 31, 2025. 5.1.2.8 Executive session In accordance with its rules of procedure and the recommendations of the Afep-Medef Code, the Board of directors meets at least once a year in the absence of the Chief Executive Officer in an executive session which is chaired by the Chairman of the compensation and nominating committee. 5.1.2.9 Board Assessment Pursuant to the recommendations of the Afep-Medef Code, Article 1.2 of the rules of procedure of the Board of directors provides that, at least once a year, the Board of directors will dedicate one item on the order of business to the assessment of its composition, its functioning and its organization, as well as those of its committees, to make sure that important issues are properly addressed and discussed. Furthermore, at least once every three years, it shall carry out or have carried out a formal assessment of its activities. It shall inform the shareholders annually of the assessments performed and, where applicable, the action taken as a result of such assessment. In the last quarter of 2025, the Board of directors carried out an assessment of its functioning and organization in the form of a self-assessment questionnaire. The results of this assessment were reviewed by the Board of directors on December 17, 2025 and a summary of these results is presented below: Main strengths Development opportunities and associated action plan It appears that: ● the efficiency of the Board of directors’ functioning was praised by the directors, who stressed in particular the considerable space given to debate and the way in which their requests were taken into account by management; ● the Chairman’s rigorous leadership, the culture of the Board of directors and the working relationship with the Executive Management, considered a relationship of trust, are among the Board of directors’ major strengths; ● the quality of the working documentation sent to the directors is unanimously recognized, as is the effectiveness of the Secretary of the Board; ● the new directors praised the quality of the onboarding and training process, deemed informative and comprehensive. Following the self-assessment, development opportunities were identified and the following action plan has been drawn up for 2026: ● review the possibility of setting up a new secure videoconferencing tool as part of the continuous improvement of the digital tools available to the Board; ● review the governance of CSR issues; ● organization of training for directors on the regulations and management of end-of-lifecycle commitments and the specific accounting characteristics of the group’s activity.
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