Transparency declaration on October 26, 2021

Delivering meaningful growth

October 26, 2021 - after 5:45pm CET

Press release

Regulated information

Transparency notification by Gérald Frère, Ségolène Gallienne - Frère,

Stichting Administratiekantoor Frère-Bourgeois,

The Desmarais Family Residuary Trust and Pargesa S.A.

1. Summary of the notification

In accordance with article 14 § 1 of the law of May 2, 2007 on disclosure of major shareholdings, Groupe Bruxelles Lambert ("GBL") has received a transparency notification dated October 25, 2021 indicating that as of October 22, 2021 Gérald Frère, Ségolène Gallienne - Frère, Stichting Administratiekantoor Frère-Bourgeois, The Desmarais Family Residuary Trust and Pargesa S.A. hold 50.01% of GBL's voting rights.

This declaration is made following the execution of the share buyback program implemented by GBL following the authorization of the Extraordinary General Shareholders' Meeting of April 28, 2020.

2. Content of the notification

The notification dated October 25, 2021 contains the following information:

• Reason for the notification:
• • acquisition or disposal of voting securities or voting rights
• Notification by:
• • a parent undertaking or a controlling person
  • persons acting in concert
• Persons subject to the notification requirement:
• • Gérald Frère
  • Ségolène Gallienne - Frère
  • Stichting Administratiekantoor Frère-Bourgeois
  • The Desmarais Family Residuary Trust
  • Pargesa S.A.
• Transaction date: October 22, 2021
• Threshold that is crossed: 50%
• Denominator: 210,958,844

Press release October 26, 2021 - Regulated information // Page 1 / 3 // For more information: www.gbl.be

• Notified details:

A. Voting rights

Holders of voting rights	Previous notification	After the transaction
		# voting rights	# of voting rights	% voting rights
			linked to	linked to
			securities	securities
The Desmarais Family Residuary Trust	1,000	1,000	0.00%
Paul Desmarais, Jr.		350	11,200	0.01%
Counsel Portfolio Services Inc.	1,950	1,950	0.00%
Ségolène Gallienne - Frère	5,350	5,700	0.00%
Gérald Frère		752,807	753,157	0.36%
Stichting	Administratiekantoor	0	0	0.00%
Frère-Bourgeois
FG Bros S.A.		0	19,250	0.01%
Frère-Bourgeois Holding S.A.	0	19,250	0.01%
Financière de la Sambre S.A.	38,500	0	0.00%
Pargesa S.A.		91,092,672	91,092,672	43.18%
Groupe Bruxelles Lambert S.A.	2,990,027	5,204,537	2.47%
Sagerpar S.A.		6,477,755	6,472,037	3.07%
GBL Verwaltung S.A.	5,000	0	0.00%
LTI Two S.A.		259,540	259,540	0.12%
FINPAR II S.A.		343,356	343,356	0.16%
FINPAR Ill S.A.		323,912	323,912	0.15%
FINPAR IV S.A.		154,568	309,136	0.15%
FINPAR V S.R.L.		192,884	192,884	0.09%
FINPAR VI S.R.L.		181,000	181,000	0.09%
URDAC S.A.		282,216	282,216	0.13%
Total		103,102,887	105,472,797	50.00%

Press release October 26, 2021 - Regulated information // Page 2 / 3 // For more information: www.gbl.be

1. Equivalent financial instruments

	Holders of	Type of	Expiration	Exercise period	# of voting rights	% of voting rights	Settlement
	equivalent	financial	date	or date	that may be
	financial	instruments			acquired if the
	instruments				instrument is
					exercised
	Gérald Frère	Stock-options	25/05/2022	At any time	18,935	0.01%	Physical
				after vesting,
				from 01/01/2011
				to 05/24/2022
	Total				18,935	0.01%
	Total A+B				# of voting rights	% of voting rights
					105,491,732	50.01%
This press release is available on GBL's website.
The detailed notification can be found here.
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 23 billion and a market capitalization of EUR 15 billion at the end of June 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.

Press release October 26, 2021 - Regulated information // Page 3 / 3 // For more information: www.gbl.be