EURONEXT FOCUSES ON STABILITY AND SECURITY Euronext runs, maintains, enhances and protects the technology required to operate its business and serve its clients  Seamlessly running our trading platforms with: – #1 priority is the daily start-up, operation & monitoring of systems – Stability controls and strong incident management processes in place Develop – Multiple asset classes and markets Run  Aligning the Information Security Management System with industry best practice (e.g. ISO27001, ISO27002, ISO27005)  Implementing an approved Cyber Security framework (NIST) and complying with SANS Top20 Cyber Controls  Fostering an Information Security culture through cyber risk awareness training and follow-up phishing tests Protect  Strong alignment with clients’ needs to deliver more value  Launch of Agile methodology for more flexibility and time-to-market implementation AGILITY FOR GROWTH 33

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