Paris, 26 August 2025




Arnaud Lagardère Appointed Chairman of Prisma Media


Prisma Media announces the appointment of Arnaud Lagardère as Executive Chairman of the group,
effective Wednesday, August 27, succeeding Claire Léost, who is joining the CMA-CGM group. Prisma
Media warmly thanks Claire Léost for her commitment and numerous contributions since 2021.

As part of this new governance, Gérald-Brice Viret has been appointed Vice-Chairman of the group.
He will oversee the Women, TV, Entertainment, Discovery, and Business divisions. Pascale Socquet
will report directly to him for the titles within these divisions.

Arnaud de Puyfontaine, in his capacity as a board member of Louis Hachette Group, will more
specifically support the development of the Luxury division, headed by Philipp Schmidt.

In this phase of transformation of the Group, the new governance will strengthen Prisma’s role within
Louis Hachette Group and foster the development of new synergies for its benefit.

“It is with great pride that I assume the chairmanship of Prisma Media, a press group remarkable for the
strength of its brands, the diversity of its content, and the excellence of its teams. In an ever-evolving
environment, Prisma has all the resources to accelerate its growth, reinforce its leadership, and continue
to innovate in the service of its readers,” said Arnaud Lagardère, Chairman of Prisma Media and Vice-
Chairman of the Board of Louis Hachette Group.

“This renewed governance paves the way for unprecedented synergies between business divisions,
fostering editorial innovation and enhancing the Group’s overall performance,” added Jean-Christophe
Thiery, Chairman and CEO of Louis Hachette Group.
About Louis Hachette Group
Louis Hachette Group, which owns 66.31% of Lagardère SA and 100% of Prisma Media, is a global group with over
34,000 employees in more than 45 countries. It is a leading and diversified player in the fields of publishing, travel
retail and media:
- Lagardère Publishing, the world’s third-largest book publishing group for the general public in the trade and
educational markets, and the leader in France: Books (paper, digital and audio formats), Partworks, Board
Games, and Premium Stationery.
- Lagardère Travel Retail, the world’s third-largest travel retail merchant and number one in France: Travel
Essentials, Duty Free & Fashion, and Dining.
- Prisma Media, the French leader in magazines and digital press, with a portfolio of over 40 leading brands.
The Group also carries out other activities in the media and entertainment space with Lagardère Live, which includes
Lagardère News (press and the Elle brand licence), Lagardère Radio (radio and advertising sales brokerage),
Lagardère Live Entertainment (performing arts) and Lagardère Paris Racing (sports club).
In 2024, Louis Hachette Group generated revenue of €9,235 million.
The company is listed on Euronext Growth (Paris) – (ALHG/FR001400TL40).
For more information, visit www.louishachettegroup.com




Press Contact
communication@louishachettegroup.com

Investor Relations Contact
Emmanuel Rapin Tel. +33 1 40 69 17 45 ir@louishachettegroup.com




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