ORANO // Annual Activity Report 2024

Orano - Annual Activity Report 2024 273 CORPORATE GOVERNANCE AND GENERAL INFORMATION 5 Administration and management of the Company 5.1.1.2 Biographies and terms of office of the members of the Board of Directors CLAUDE IMAUVEN CHAIRMAN AND INDEPENDENT DIRECTOR AGE: 67 NATIONALITY: French DATE OF ENTRY TO THE BOARD: 07/27/2017 DATE OF RATIFICATION OR APPOINTMENT AT THE GENERAL MEETING: 07/27/2017 DATE OF LAST REAPPOINTMENT: 04/28/2022 END DATE OF THE TERM OF OFFICE: 2026 GM YEARS PRESENT: 7.5 years ATTENDANCE RATE AT BOARD MEETINGS: 100% Born on September 6, 1957 in Marseille (France), a French national, Claude IMAUVEN is a graduate of École polytechnique and an Engineer in the French Corps des mines. He began his career in 1983 at the French Ministry for Industry, where he held various positions of responsibility in public administration, notably in ministerial offices (Foreign Trade and Industry). His career at Saint-Gobain began in 1993 within the Flat Glass Division, where he was Director of Industrial Policy and subsequently Director of Industry and Finance. In 1996, he was appointed Delegate General for Spain, Portugal and Morocco. Returning to France in 1999, he joined the Pipe branch as Chief Operating Officer of Pont-à-Mousson SA, and then in 2001 he became Chairman and CEO and Director of the Pipe branch. Between 2004 and the end of 2015, Claude IMAUVEN was Chief Operating Officer of Compagnie de Saint-Gobain, leading the Construction Products Division. From 2016 to 2019, Claude IMAUVEN was Chief Executive Officer of Compagnie de Saint-Gobain. He has been a member of the Board of Directors of the Company since July 27, 2017. He has chaired the Board of Directors since May 14, 2020. As such, he is responsible for relations between the Board and the Company’s shareholders. Claude IMAUVEN also served as Interim Chief Executive Officer, upon appointment by the French State, from October 3, 2023 to November 15, 2023. OTHER OFFICES HELD ● Chairman of the Board of Directors of Artelia Global SAS (Director since 06/22/2010 and Chairman since 10/01/2019); ● Chairman of the Georges Besse Foundation (since 10/09/2021); ● Director of Mäder SA (since 12/11/2023). OFFICES EXPIRED DURING THE PAST FIVE YEARS ● Chairman of the Board of Directors of Institut Mines-Télécom EPSCT (expired 02/14/2020); ● Director of the Institut polytechnique de Paris ECPA (expired 08/28/2020); ● Chairman of the Fondation Mines-Télécom (expired 10/04/2023); ● Chairman of Orano Mining SA (from 10/03/2023 to 11/15/2023); ● Chairman of Orano Recyclage SAS (from 10/03/2023 to 11/15/2023); ● Chairman of Orano Chimie-Enrichissement SAS (from 10/03/2023 to 11/15/2023).

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