Groupe Bruxelles Lambert : Transactions on GBL shares from May 8, 2023 until May 12, 2023 (included)

May 15, 2023 - After 5:45pm CET

Regulated information

Delivering meaningful growth

Transactions on GBL Shares

Disclosure of transaction on GBL shares from May 8, 2023 until May 12, 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 8, 2023 until May 12, 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): 176,822 GBL shares

	Number of	Average	Lowest	Highest	Amount	Negotiation method / market
Trade date	shares	price (EUR)	price (EUR) price (EUR)	(EUR)
						Stock Exchange
05/08/2023	30,940	80.59	80.28	80.80	2,493,585	Euronext, CBOE, Turquoise,
						Acquis
						Stock Exchange
05/09/2023	30,440	79.65	79.28	80.54	2,424,461	Euronext, CBOE, Turquoise,
						Acquis
						Stock Exchange
05/10/2023	40,962	79.26	78.74	79.66	3,246,583	Euronext, CBOE, Turquoise,
						Acquis
						Stock Exchange
05/11/2023	38,103	76.90	76.48	77.18	2,930,029	Euronext, CBOE, Turquoise,
						Acquis
						Stock Exchange
05/12/2023	36,377	77.04	76.74	77.48	2,802,364	Euronext, CBOE, Turquoise,
						Acquis
Total	176,822	78.59			13,897,021

Regulated information of May 15, 2023 // Page 1 / 3 // For more information: www.gbl.be

• The liquidity agreement: 25,198 GBL shares

	Number of	Average	Lowest	Highest	Amount
Trade date					Negotiation method / market
shares	price (EUR)	price (EUR) price (EUR)	(EUR)
05/08/2023	10,500	80.64	80.28	80.80	Stock Exchange
846,680
					Euronext
05/09/2023	4,698	79.94	79.28	80.54	Stock Exchange
375,574
					Euronext
05/10/2023	3,500	79.20	78.74	79.66	Stock Exchange
277,213
					Euronext
05/11/2023	4,250	76.80	76.48	77.18	Stock Exchange
326,401
					Euronext
05/12/2023	2,250	77.06	76.74	77.48	Stock Exchange
173,385
					Euronext
Total	25,198	79.34			1,999,253

Sales

GBL, directly and through its subsidiaries, sold during the period from May 8, 2023 until May 12, 2023 included, as part of:

• The liquidity agreement: 18,198 GBL shares

	Number of	Average	Lowest	Highest	Amount
Trade date					Negotiation method / market
shares	price (EUR)	price (EUR) price (EUR)	(EUR)
05/08/2023	10,198	80.68	80.28	80.80	Stock Exchange
822,783
					Euronext
05/10/2023	1,000	79.48	78.74	79.66	Stock Exchange
79,480
					Euronext
05/11/2023	5,500	76.94	76.48	77.18	Stock Exchange
423,147
					Euronext
05/12/2023	1,500	77.19	76.74	77.48	Stock Exchange
115,790
					Euronext
Total	18,198	79.20			1,441,200

As of May 12, 2023, GBL holds directly and through its subsidiaries 8,565,534 GBL shares representing 5.8% of the issued capital, and holds 7,000 shares under the liquidity agreement. On that date, 4.4% of the sixth share buyback program is executed1.

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

Regulated information of May 15, 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 15, 2023 // Page 3 / 3 // For more information: www.gbl.be