Groupe Bruxelles Lambert : Transactions on GBL shares from May 24, 2021 until May 28, 2021 (included)

May 31, 2021 - after 5:45pm CET

Regulated information

Delivering meaningful growth

Transactions on GBL Shares

Disclosure of transaction on GBL shares from May 24, 2021 until May 28, 2021 (included)

Implementation of the authorization of the Extraordinary General Shareholders' Meeting of April 28, 2020

Purchases

GBL, directly and through its subsidiaries, acquired during the period from May 24, 2021 until May 28, 2021 included, as part of:

• The share buyback program: 81,133 GBL shares

	Number of	Average	Lowest	Highest	Amount
Trade date	price	price	Negotiation method / market
shares	price (EUR)	(EUR)
	(EUR)	(EUR)
05/24/2021	3,298	91.54	91.30	91.84	301,909	Stock Exchange
Euronext
05/25/2021	5,947	92.15	91.66	92.40	548,036	Stock Exchange
Euronext
						Stock Exchange
05/26/2021	41,274	92.77	92.32	93.30	3,829,001	Euronext, CBOE, Turquoise,
						Acquis
						Stock Exchange
05/27/2021	18,622	92.79	92.44	93.22	1,728,001	Euronext, CBOE, Turquoise,
						Acquis
						Stock Exchange
05/28/2021	11,992	93.40	93.00	93.68	1,120,012	Euronext, CBOE, Turquoise,
						Acquis
Total	81,133	92.77			7,526,959

Regulated information of May 31, 2021 // Page 1 / 3 // For more information: www.gbl.be

• The liquidity agreement: 22,000 GBL shares

	Number of	Average	Lowest	Highest	Amount
Trade date	price	price	Negotiation method / market
shares	price (EUR)	(EUR)
	(EUR)	(EUR)
05/24/2021	8,750	91.50	91.30	91.84	800,583	Stock Exchange
Euronext
05/25/2021	2,450	92.06	91.66	92.40	225,545	Stock Exchange
Euronext
05/26/2021	5,000	92.61	92.32	93.30	463,039	Stock Exchange
Euronext
05/27/2021	2,800	92.78	92.44	93.22	259,788	Stock Exchange
Euronext
05/28/2021	3,000	93.38	93.00	93.68	280,153	Stock Exchange
Euronext
Total	22,000	92.23			2,029,108

Sales

GBL, directly and through its subsidiaries, sold during the period from May 24, 2021 until May 28, 2021 included, as part of:

• The stock-options plans and the Directors' remuneration: 0 GBL share
• The liquidity agreement: 21,000 GBL shares

		Number of	Average	Lowest	Highest	Amount
	Trade date	price	price	Negotiation method / market
		shares	price (EUR)	(EUR)
			(EUR)	(EUR)
05/24/2021		8,750	91.51	91.30	91.84		800,702	Stock Exchange
		Euronext
05/25/2021		2,100	92.11	91.66	92.40		193,439	Stock Exchange
		Euronext
05/26/2021		5,350	92.65	92.32	93.30		495,677	Stock Exchange
		Euronext
05/27/2021		2,800	92.89	92.44	93.22		260,090	Stock Exchange
		Euronext
05/28/2021		2,000	93.44	93.00	93.68		186,877	Stock Exchange
		Euronext
	Total		21,000	92.23			1,936,785
As of May 28, 2021,	GBL holds directly	and through	its subsidiaries	9,315,345 GBL shares representing 5.8% of

the issued capital, and holds 1,000 shares under the liquidity agreement. On that date, 26.9% of the third share buyback program is executed1.

1 cf. http://www.gbl.be/en/transactions-gbl-shares

Regulated information of May 31, 2021 // Page 2 / 3 // For more information: www.gbl.be

For more information, please contact:
Xavier Likin	Alison Donohoe
Chief Financial Officer	Head of Investor Relations
Tel: [phone]	Tel: [phone]
[e-mail]	[e-mail]

About Groupe Bruxelles Lambert

Groupe Bruxelles Lambert ("GBL") is an established investment holding company, with over sixty years of stock exchange listing, a net asset value of EUR 21 billion and a market capitalisation of EUR 14 billion at the end of March 2021. GBL is a leading investor in Europe, focused on long-term value creation and relying on a stable and supportive family shareholder base. GBL strives to maintain a diversified high-quality portfolio composed of global companies, leaders in their sector, in which it can contribute to value creation by being an active professional investor. GBL seeks to provide attractive returns to its shareholders through a combination of a sustainable dividend and growth in its net asset value.

GBL is listed on the Euronext Brussels stock exchange (Ticker: GBLB BB ; ISIN code: BE0003797140) and is included in the BEL20 index.

Regulated information of May 31, 2021 // Page 3 / 3 // For more information: www.gbl.be