Carentoir, June 23^rd, 2026.

Weekly report share buyback From June 15th, 2026, to June 19^th, 2026

In accordance with the regulations relating to share buybacks, Guillemot Corporation S.A. declares below the transactions on its own shares carried out during the week from June 15th, 2026, to June 19^th, 2026.

These transactions were carried out under the buyback program and were executed by an independent investment services provider.

Presentation aggregated by day and by market

Guillemot Corporation is a designer and manufacturer of interactive entertainment hardware and accessories. The Group offers a diversified range of products under the Hercules and Thrustmaster brand names. Active in this market since 1984, the Guillemot Corporation Group is present in eleven countries (France, Germany, Spain, United-Kingdom, United States of America, Canada, Italy, Belgium, China- Hong-Kong, Romania and the Netherlands) and distributes its products across more than one hundred and fifty countries worldwide. The Group's mission is to offer high-performance, ergonomic products which maximize the enjoyment of digital interactive entertainment end users.

Contact: Guillemot Financial Information - Tel: +33 (0) 2 99 08 08 80 - www.guillemot.com

ISIN : FR0000066722

Guillemot Corporation S.A.
Public limited company with a capital of 11 309 359,60 euros - 414 196 758 R.C.S. Vannes

• Postal address : B.P. 2 - 56204 La Gacilly Cedex - France •
• Registered address : 2 rue du Chêne Héleuc 56910 Carentoir, France •