Guillemot Corporation

Transaction in Own Shares • May 21, 2024

Carentoir, May 21st, 2024.

Weekly report share buyback From May 13th 2024 to May 17th 2024

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 May 13th 2024 to May 17th 2024.

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

Name of the issuer	Identity code of the issuer (LEI code)	Day of the transaction	Identity code of the security	Total daily volume (in number of shares)	Daily weighted average purchase price of the shares (in EUR)	Market identity code
GUILLEMOT CORPORATION	969500N24EZ7HPKJIV79	13/05/2024	FR0000066722	166 197	6,24	Euronext Paris
GUILLEMOT CORPORATION	969500N24EZ7HPKJIV79	14/05/2024	FR0000066722	845	6,5	Euronext Paris
GUILLEMOT CORPORATION	969500N24EZ7HPKJIV79	15/05/2024	FR0000066722	348	6,7	Euronext Paris
GUILLEMOT CORPORATION	969500N24EZ7HPKJIV79	17/05/2024	FR0000066722	2 288	6,7762	Euronext Paris

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 highperformance, 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 11 617 359,60 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 •

Detail transaction by transaction

Name of the issuer	Identity code of the issuer (LEI code)	Name of the broker	Identity code of the broker	Day/time of the transaction	Identity code of the security	Price per unit	Curren cy	Quantity bought	Market identity code	Reference number of the transaction	Purpose of the buyback
GUILLEMOT CORPORATION	969500N24EZ7HP KJIV79	Portzamparc	969500DEM67LRGQ OTV19	13/05/2024 à 11:37:13	FR0000066722	6,24	EURO	166 197	Euronext Paris	Code delivered by the broker (not available)	Rglt MAR art 5 2.a) Cancellation
GUILLEMOT CORPORATION	969500N24EZ7HP KJIV79	Portzamparc	969500DEM67LRGQ OTV19	14/05/2024 à 11:03:39	FR0000066722	6,5	EURO	236	Euronext Paris	Code delivered by the broker (not available)	Rglt MAR art 5 2.a) Cancellation
GUILLEMOT CORPORATION	969500N24EZ7HP KJIV79	Portzamparc	969500DEM67LRGQ OTV19	14/05/2024 à 11:03:39	FR0000066722	6,5	EURO	50	Euronext Paris	Code delivered by the broker (not available)	Rglt MAR art 5 2.a) Cancellation
GUILLEMOT CORPORATION	969500N24EZ7HP KJIV79	Portzamparc	969500DEM67LRGQ OTV19	14/05/2024 à 11:03:39	FR0000066722	6,5	EURO	14	Euronext Paris	Code delivered by the broker (not available)	Rglt MAR art 5 2.a) Cancellation
GUILLEMOT CORPORATION	969500N24EZ7HP KJIV79	Portzamparc	969500DEM67LRGQ OTV19	14/05/2024 à 11:03:39	FR0000066722	6,5	EURO	22	Euronext Paris	Code delivered by the broker (not available)	Rglt MAR art 5 2.a) Cancellation
GUILLEMOT CORPORATION	969500N24EZ7HP KJIV79	Portzamparc	969500DEM67LRGQ OTV19	14/05/2024 à 11:03:39	FR0000066722	6,5	EURO	117	Euronext Paris	Code delivered by the broker (not available)	Rglt MAR art 5 2.a) Cancellation
GUILLEMOT CORPORATION	969500N24EZ7HP KJIV79	Portzamparc	969500DEM67LRGQ OTV19	14/05/2024 à 11:05:58	FR0000066722	6,5	EURO	211	Euronext Paris	Code delivered by the broker (not available)	Rglt MAR art 5 2.a) Cancellation
GUILLEMOT CORPORATION	969500N24EZ7HP KJIV79	Portzamparc	969500DEM67LRGQ OTV19	14/05/2024 à 11:05:58	FR0000066722	6,5	EURO	46	Euronext Paris	Code delivered by the broker (not available)	Rglt MAR art 5 2.a) Cancellation
GUILLEMOT CORPORATION	969500N24EZ7HP KJIV79	Portzamparc	969500DEM67LRGQ OTV19	14/05/2024 à 11:06:01	FR0000066722	6,5	EURO	45	Euronext Paris	Code delivered by the broker (not available)	Rglt MAR art 5 2.a) Cancellation
GUILLEMOT CORPORATION	969500N24EZ7HP KJIV79	Portzamparc	969500DEM67LRGQ OTV19	14/05/2024 à 11:06:02	FR0000066722	6,5	EURO	20	Euronext Paris	Code delivered by the broker (not available)	Rglt MAR art 5 2.a) Cancellation
GUILLEMOT CORPORATION	969500N24EZ7HP KJIV79	Portzamparc	969500DEM67LRGQ OTV19	14/05/2024 à 11:06:02	FR0000066722	6,5	EURO	28	Euronext Paris	Code delivered by the broker (not available)	Rglt MAR art 5 2.a) Cancellation

Name of the issuer	Identity code of the issuer (LEI code)	Name of the broker	Identity code of the broker	Day/time of the transaction	Identity code of the security	Price per unit	Curren cy	Quantity bought	Market identity code	Reference number of the transaction	Purpose of the buyback
GUILLEMOT CORPORATION	969500N24EZ7HP KJIV79	Portzamparc	969500DEM67LRGQ OTV19	14/05/2024 à 11:11:59	FR0000066722	6,5	EURO	56	Euronext Paris	Code delivered by the broker (not available)	Rglt MAR art 5 2.a) Cancellation
GUILLEMOT CORPORATION	969500N24EZ7HP KJIV79	Portzamparc	969500DEM67LRGQ OTV19	15/05/2024 à 11:14:01	FR0000066722	6,7	EURO	348	Euronext Paris	Code delivered by the broker (not available)	Rglt MAR art 5 2.a) Cancellation
GUILLEMOT CORPORATION	969500N24EZ7HP KJIV79	Portzamparc	969500DEM67LRGQ OTV19	17/05/2024 à 15:00:09	FR0000066722	6,78	EURO	174	Euronext Paris	Code delivered by the broker (not available)	Rglt MAR art 5 2.a) Cancellation
GUILLEMOT CORPORATION	969500N24EZ7HP KJIV79	Portzamparc	969500DEM67LRGQ OTV19	17/05/2024 à 15:00:09	FR0000066722	6,78	EURO	67	Euronext Paris	Code delivered by the broker (not available)	Rglt MAR art 5 2.a) Cancellation
GUILLEMOT CORPORATION	969500N24EZ7HP KJIV79	Portzamparc	969500DEM67LRGQ OTV19	17/05/2024 à 15:00:09	FR0000066722	6,78	EURO	6	Euronext Paris	Code delivered by the broker (not available)	Rglt MAR art 5 2.a) Cancellation
GUILLEMOT CORPORATION	969500N24EZ7HP KJIV79	Portzamparc	969500DEM67LRGQ OTV19	17/05/2024 à 15:00:09	FR0000066722	6,78	EURO	1 768	Euronext Paris	Code delivered by the broker (not available)	Rglt MAR art 5 2.a) Cancellation
GUILLEMOT CORPORATION	969500N24EZ7HP KJIV79	Portzamparc	969500DEM67LRGQ OTV19	17/05/2024 à 15:00:09	FR0000066722	6,78	EURO	100	Euronext Paris	Code delivered by the broker (not available)	Rglt MAR art 5 2.a) Cancellation
GUILLEMOT CORPORATION	969500N24EZ7HP KJIV79	Portzamparc	969500DEM67LRGQ OTV19	17/05/2024 à 15:00:09	FR0000066722	6,78	EURO	29	Euronext Paris	Code delivered by the broker (not available)	Rglt MAR art 5 2.a) Cancellation
GUILLEMOT CORPORATION	969500N24EZ7HP KJIV79	Portzamparc	969500DEM67LRGQ OTV19	17/05/2024 à 17:10:06	FR0000066722	6,72	EURO	32	Euronext Paris	Code delivered by the broker (not available)	Rglt MAR art 5 2.a) Cancellation
GUILLEMOT CORPORATION	969500N24EZ7HP KJIV79	Portzamparc	969500DEM67LRGQ OTV19	17/05/2024 à 17:10:20	FR0000066722	6,72	EURO	41	Euronext Paris	Code delivered by the broker (not available)	Rglt MAR art 5 2.a) Cancellation
GUILLEMOT CORPORATION	969500N24EZ7HP KJIV79	Portzamparc	969500DEM67LRGQ OTV19	17/05/2024 à 17:24:16	FR0000066722	6,72	EURO	11	Euronext Paris	Code delivered by the broker (not available)	Rglt MAR art 5 2.a) Cancellation
GUILLEMOT CORPORATION	969500N24EZ7HP KJIV79	Portzamparc	969500DEM67LRGQ OTV19	17/05/2024 à 17:24:31	FR0000066722	6,72	EURO	60	Euronext Paris	Code delivered by the broker (not available)	Rglt MAR art 5 2.a) Cancellation