Annual Activity Report 2025

4

SUSTAINABILITY STATEMENT Societal and environmental challenges at the heart of the strategy

4.1.2 Sustainability taken to the highest level of the Company

4.1.2.1 The role of the Board of directors in terms of sustainability

Integrated and cross-functional non- fi nancial governance Environmental, social, and governance (ESG) issues are integrated into all operational processes at each level of the organization.

ORANO’S NON-FINANCIAL GOVERNANCE

Board of directors

Governance

The Stakeholders’ Panel

End-of-lifecycle obligations monitoring committee

Strategy, investments and sustainability committee

Audit and ethics committee

Compensation and nominating committee

Stakeholders

Decision

Executive committee

Shareholders and Investors

Customers and Partners

Strategic vision: Corporate purpose, values, strategic axis and commitments

Code of ethics and business conduct

Employees and Representatives

Internal Procedures and Policies

Human Rights policy

Subcontractors and Suppliers

HSE policy (Nuclear and Industrial Safety - Health, Occupational Safety - Radiation protection and Environment)

Skills, compensation

Fight against Corruption îŠē TŠǷƭĚŠČĚ Peddling policy

Responsible Purchasing policy

Waste and Dismantling Strategy

Social Dialogue guidelines

Diversity and Inclusion guidelines

Risk mapping

and social protection guidelines

Administrative Bodies and Authorities

Local Residents and Communities

Strategic Planning, Dismantling & Waste Department

Health, Safety Environment Department

Risks, Compliance, Internal Audit Department

Performance Department

People & Communications Department

Steering

Environment

Legal Department and other supporting departments

Citizens and the General Public

Whistleblowing system open to any individual: https://oranoethic.signalement.net/

Source: Orano

Composition of the Board of directors At end-2025, the Board of directors was composed of 13 members: ● 10 members appointed by the General Meeting (including fi ve natural person directors appointed on the proposal of the French State, four independent directors and the Chief Executive Of fi cer, the only executive member); ● 2 members representing employees, appointed by the labor unions; and

● one representative of the French State. At December 31, 2025, the percentage of independent directors was 30.77%. The percentage of women on the Board of directors was 45%, excluding directors representing employees, unchanged compared to the previous year. This rate is 46%, including employee directors, i.e. six women and seven men.

124

Orano - Annual Activity Report 2025