Annual Activity Report 2025

Our value creation model PRESENTATION OF THE ORANO GROUP

1

ACHIEVEMENTS AND RESULTS

OUR CUSTOMERS • Nearly 7 years of revenue in the order backlog • Nearly 200 customers in 30 countries SOCIETY AND CLIMATE • >40 innovative technological solutions deployed on the sites • A major player in the low-carbon transition , offering, through its contribution, one of the lowest carbon-emitting technologies ( 12g CO 2 /kWh according to the IPCC and 4g CO 2 e/kWh in Franc e) through its contribution, derived from the recycling of spent fuel. • Two drug candidates in clinical phase OUR EMPLOYEES • 2,054 permanent hires • 67% employee engagement rate, growing • 0 employee below decent wage • 6.4% work-study students in France • 35 hrs./year of training per employee worldwide • 32% women in the group’s management committees • Lost-time accident frequency rate 1.0

STRATEGIC ACTION PLAN

Our strategic action plan expresses our goals

Improve our performance through

the Opteam26 program 1

Successfully implement our development opportunities in our core business and in our diversi fi cation activities Build the Aval du Futur by extending the lifetime of our existing plants and preparing the industrial assets of tomorrow

2

3

OUR PARTNERS AND REGIONS €2,412 M in external purchases €389 M in tax and duties • Transparency and control of safety in 2025:

COMMITMENTS

COMPETITIVENESS By operating efficiently

CUSTOMER GROWTH By innovating to preserve resources and protect health

The 5Cs provide our operational framework internally and state our commitments to our stakeholders externally

0 INES level 2 events 1 INES level 1 event 150 INES level 0 events • 94% of purchases made outside the French entities’ group from suppliers based in Europe • A dedicated fund, Orano Venture Fund, to invest in startups in the circular economy and advanced industrial technologies • O’Share, an Orano initiative based on a system of skills sponsorship • 10 million euros dedicated to societal actions within the Mining BU

OUR SHAREHOLDERS €5,138 M euros in revenue

Safety and security

Customer satisfaction Ethics, transparency and dialogue Respect and people development

Team spirit and cohesion Continuous improvement

• Responsible management of activities: >8.7 billion euros in earmarked assets to cover all of our obligations for future dismantling of our industrial sites • €476 M of net cash flow

Preservation of resources

Growing health needs

15

Orano - Annual Activity Report 2025