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Umicore Major Shareholding Notification 2025

Nov 21, 2025

4018_mrq_2025-11-21_27cf3415-8087-47ac-b7f0-e6a30a506f2d.pdf

Major Shareholding Notification

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Press release

Regulated information November 21st 2025 - 18:30 CET

Transparency notification by Groupe Bruxelles Lambert S.A.

In accordance with article 14, § 1 of the law of 2 May 2007 on the disclosure of major holdings, Umicore was recently notified by Groupe Bruxelles Lambert S.A. that it has crossed the legal threshold of 10% for the direct voting rights downwards on 18 November 2025.

The total holding of direct voting rights and equivalent financial instruments of Groupe Bruxelles Lambert S.A. stands at 7.96% on 18 November 2025.

Summary of the move by Groupe Bruxelles Lambert S.A.:

Date on which the threshold was crossed Date on which the threshold was crossed Date of notification Equivalent financial instruments after the transaction Total
18 November 2025 20 November 2025 7.96% 0.00% 7.96%

Notification from Groupe Bruxelles Lambert S.A.:

The notification contains the following information:

  • Date of notification: 20 November 2025
  • Date on which the threshold is crossed: 18 November 2025
  • Threshold of direct voting rights crossed downwards by Groupe Bruxelles Lambert S.A.: 10%
  • Notification by: Groupe Bruxelles Lambert S.A.
  • Denominator: 246,400,000
  • Reason for notification: Acquisition or disposal of voting securities or voting rights

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A) Droits de vote Notification précédente Après la transaction
Détenteurs de droits de vote # droits de vote # droit ts de vote % de droits de vote
Attachés à des
titres
Non liés à des titres Attachés à des
titres
Non liés à des
titres
Ségoiène Gallienne - Frère 0 0 0 0,00% 0,00%
Géraid Frère 0 0 0 - 0,00% 0,00%
The Desmarais Family Residuary Trust 0 0 0 0,00% 0,00%
Groupe Bruxelles Lambert S.A. 2.121.619 2.121.619 σ 0,86% 0,00%
LTI Two S.A. 145.000 o 0 0,00% 0,00%
Arthur Capital S à r.t 36.967.441 17.495,411 0 7,10% 0,00%
Panagora Asset Management, Inc. 17,799 С 0 0,00% 0,00%
Sous-total 39.251.859 19.617.030 7,96%
TOTAL 19.617.030 0 7,96% 0,00%
</calc<>
B) Instruments financiers
assimilés
Après la transaction
Détenteurs
d'instruments financiers
assimilés
Type d'instrument financier Date d'échéance Date ou délai
d'exercice ou de
conversion
# droits de vote
pouvant être
acquis en cas
d'exercice de
l'instrument
% de droits de
vote
Règlement
TOTAL 0 0,00%
Les totaux ne seront mis à jour qu'après avoir utilisé la touche <calc< td="">ULER> ci dessous ULER> ci dessous
TOTAL (A & B) # de droits de
vote
% de droits de vote
CALCULER 19.617.030 7,96%

The chain of control has been described at the end of the notification and can be found here.

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For more information

Investor Relations

Caroline Kerremans +32 2 227 72 21 [email protected]

Bart Heylen +32 2 227 73 09 [email protected]

About Umicore

Umicore is a global advanced materials and recycling Group. Leveraging decades of expertise in materials science, metallurgy, chemistry, and metals management, Umicore transforms precious and critical metals into functional technologies that enable everyday applications. Its unique circular business model ensures that these critical elements are continuously refined and recycled, to be reintegrated in new applications.

Umicore's four Business Groups – Catalysis, Recycling, Specialty Materials and Battery Materials Solutions – offer materials and solutions addressing resource scarcity and the growing need for functional materials for clean technologies, clean mobility and a connected world. Through tailored and cutting-edge products and processes they drive innovation and sustainability.

Umicore generates the majority of its revenues from, and focuses most of its R&D efforts on, clean mobility and recycling. Its overriding goal of sustainable value creation is rooted in developing, producing and recycling materials for a better life.

Umicore's industrial, commercial and R&D activities, with more than 11,000 employees, are located across the world to best serve its global customer base. Group revenues (excluding metal) reached € 1.8 billion (turnover of € 8.7 billion) in the first half of 2025.