Groupe Bruxelles Lambert : Transactions on GBL shares from May 22, 2023 until May 26, 2023 (included)

May 30, 2023 - After 5:45pm CET

Regulated information

Delivering meaningful growth

Transactions on GBL Shares

Disclosure of transaction on GBL shares from May 22, 2023 until May 26, 2023 (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 22, 2023 until May 26, 2023 included, as part of:

• The share buyback program: 0 GBL share
• The share buyback program (by an independent financial institution on the basis of a discretionary mandate until June 30, 2023): 170,260 GBL shares

	Number of	Average	Lowest	Highest	Amount	Negotiation method / market
Trade date	shares	price (EUR)	price (EUR) price (EUR)	(EUR)
						Stock Exchange
05/22/2023	17,532	76.96	76.72	77.22	1,349,207	Euronext, CBOE, Turquoise,
						Acquis
						Stock Exchange
05/23/2023	41,224	76.03	75.24	77.24	3,134,154	Euronext, CBOE, Turquoise,
						Acquis
						Stock Exchange
05/24/2023	47,906	73.46	72.98	74.54	3,519,089	Euronext, CBOE, Turquoise,
						Acquis
						Stock Exchange
05/25/2023	35,348	72.81	72.42	73.30	2,573,741	Euronext, CBOE, Turquoise,
						Acquis
						Stock Exchange
05/26/2023	28,250	72.89	72.24	73.42	2,059,270	Euronext, CBOE, Turquoise,
						Acquis
Total	170,260	74.21			12,635,458

Regulated information of May 30, 2023 // Page 1 / 3 // For more information: www.gbl.be

• The liquidity agreement: 17,100 GBL shares

	Number of	Average	Lowest	Highest	Amount
Trade date					Negotiation method / market
shares	price (EUR)	price (EUR) price (EUR)	(EUR)
05/22/2023	3,000	76.84	76.72	77.22	Stock Exchange
230,530
					Euronext
05/23/2023	6,850	76.56	75.24	77.24	Stock Exchange
524,415
					Euronext
05/24/2023	3,750	73.60	72.98	74.54	Stock Exchange
276,005
					Euronext
05/25/2023	2,500	72.76	72.42	73.30	Stock Exchange
181,910
					Euronext
05/26/2023	1,000	72.44	72.24	73.42	Stock Exchange
72,440
					Euronext
Total	17,100	75.16			1,285,300

Sales

GBL, directly and through its subsidiaries, sold during the period from May 22, 2023 until May 26, 2023 included, as part of:

• The liquidity agreement: 19,100 GBL shares

	Number of	Average	Lowest	Highest	Amount
Trade date					Negotiation method / market
shares	price (EUR)	price (EUR) price (EUR)	(EUR)
05/22/2023	9,000	77.14	76.72	77.22	Stock Exchange
694,260
					Euronext
05/23/2023	3,350	76.89	75.24	77.24	Stock Exchange
257,574
					Euronext
05/24/2023	1,500	73.86	72.98	74.54	Stock Exchange
110,790
					Euronext
05/25/2023	2,250	72.94	72.42	73.30	Stock Exchange
164,105
					Euronext
05/26/2023	3,000	72.81	72.24	73.42	Stock Exchange
218,440
					Euronext
Total	19,100	75.66			1,445,169

As of May 26, 2023, GBL holds directly and through its subsidiaries 8,861,538 GBL shares representing 6.0% of the issued capital, and holds 11,500 shares under the liquidity agreement. On that date, 8.8% of the sixth share buyback program is executed1.

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

Regulated information of May 30, 2023 // 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 and a net asset value of €18.6bn at the end of March 2023. As a leading and active investor in Europe, GBL focuses on long-term value creation with the support of a stable family shareholder base. As a responsible company and investor, GBL perceives ESG factors as being inextricably linked to value creation.

GBL aims to grow its diversified high-quality portfolio of listed, private and alternative investments.

GBL is focused on delivering meaningful growth by providing attractive returns to its shareholders through a combination of growth in its net asset value, a sustainable dividend and share buybacks.

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

Regulated information of May 30, 2023 // Page 3 / 3 // For more information: www.gbl.be