Umicore — Major Shareholding Notification 2026

Apr 17, 2026

Press release Regulated information April 17th 2026 - 18:30 CET

Transparency notification by Amundi SA

In accordance with article 14, § 1 of the law of 2 May 2007 on the disclosure of major holdings, Umicore was recently notified by Amundi SA that it has crossed the legal threshold of 3% for the direct voting rights downwards on 9 April 2026.

The total holding of direct voting rights and equivalent financial instruments of Amundi SA stands at 2.90% on 9 April 2026.

Summary of the move:

Date on which thethreshold was crossed	Date ofnotification	Direct votingrights after thetransaction	Equivalentfinancialinstrumentsafter thetransaction	Total
9 April2026	13 April 2026	2.90%	0.00%	2.90%

Notification from Amundi SA:

The notification contains the following information:

• Date of notification: 13 April 2026
• Date on which the threshold is crossed: 9 April 2026
• Threshold of direct voting rights crossed downwards: 3%
• Notification by: Amundi SA
• Denominator: 246,400,000
• Reason for notification: Acquisition or disposal of voting securities or voting rights

A) Voting rights	Previous notification	After the transaction
	# of voting rights	# of voting rights		% of voting rights
Holders of voting rights		Linked to securities	Not linked to thesecurities	Linked tosecurities	Not linked to thesecurities
Amundi SA	$\mathbf{0}$	$\overline{0}$		0.00%
Amundi Asset Management SAS	7760713	6816808		2.77%
CPR Asset Management SA	139 120	323 886		0.13%
Societe Generale Gestion SA	$\mathbf{0}$	0		0.00%
Amundi Fund Management Ltd(Hungary)	$\mathbf{0}$	5 3 8 4		0.00%
Amundi Austria GmbH	$\mathbf{0}$	4 2 2 2		0.00%
Amundi Deutschland GmbH	$\mathbf{0}$	2963		0.00%
Subtotal	7899833	7 153 243		2,90%
	TOTAL	7 153 243		2,90%

B) Equivalent financial instruments	After the transaction
Holders of equivalentfinancial instruments	Type of financial instrument	Expiration date	Exercise period ordate	# of voting rightsthat may beacquired if theinstrument isexercised	% of voting rights	Settlement
				$\mathbf{0}$	0.00%
	TOTAL			0	0.00%
The totals will be updated once you have clicked on œ
	TOTAL (A & B)				# of voting rights % of voting rights

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

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 € 3.6 billion (turnover of € 19.4 billion) in 2025.

For more information

Investor Relations
Caroline Kerremans	+32 2 227 72 21	caroline.kerremans@umicore.com
Bart Heylen	+32 2 227 73 09	bart.heylen@umicore.com