French citizen, age 48

Grégoire Castaing holds a degree in economics and management, a DEA in finance and is an alumnus of the Ecole Normale Supérieure Paris-Saclay. He began his career with Arthur Andersen before joining Ernst & Young.

He joined the Canal+ Group in 2007 as Deputy Director of Internal Audit, and was successively promoted to Director of Financial Services, then Group Chief Financial Officer, and finally Deputy Chief Executive Officer in charge of Finance and Strategy and member of the Executive Board.

On June 3 2024 he was named Deputy Chief Executive Officer of the Lagardère Group in charge of Finance and joined the Executive Committee of the Lagardère Group on the same date.

In the context of the Vivendi SE spin-off and as proposed by Chief Executive Officer Jean-Christophe Thiery, Grégoire Castaing was appointed Deputy Chief Executive Officer of Louis Hachette Group on October 22 2024.

Positions held in other companies

In France:

• Director of Dailymotion SA