Umicore - Transparency notifications by BlackRock, Inc.

Transparency notifications by
BlackRock, Inc.

In accordance with article 14, § 1 of the law of 2 May 2007 on the disclosure of major holdings, Umicore was recently notified by BlackRock, Inc. that it has successively crossed the legal threshold of 3% for the direct voting rights upwards on 19 September 2025 and then downwards on 22 September 2025.

The total holding of direct voting rights and equivalent financial instruments of BlackRock, Inc. stands at 3.96% on 22 September 2025.

Summary of the moves:

Date on which the threshold was crossed Date of notification Direct voting rights after the transaction Equivalent financial instruments after the transaction Total 19September 2025 22 September 2025 3.1% 1.51% 4.53% 22 September 2025 23 September 2025 2.45% 1.51% 3.96%

Notificationsfrom BlackRock, Inc.:

The most recent notification contains the following information:

Date of notification: 23 September 2025

Date on which the threshold is crossed: 22 September 2025

Threshold of direct voting rights crossed downwards: 3%

Notification by: BlackRock, Inc.

Denominator: 246,400,000

Reason for notification: Acquisition or disposal of voting securities or voting rights

The previous notification contains the following information:

Date of notification: 22 September 2025

Date on which the threshold is crossed: 19 September 2025

Threshold of direct voting rights crossed upwards: 3%

Notification by: BlackRock, Inc.

Denominator: 246,400,000

Reason for notification: Acquisition or disposal of voting securities or voting rights

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

For more information

Investor Relations

Caroline Kerremans  +32 2 227 72 21  [email protected] Eva Behaeghe  +32 2 227 70 68  [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.