Solvay S.A.

Participation notification by BNP Paribas Asset Management

Press release                                                                                                           Regulated information

Brussels, March 18, 2025, 18:00 CET

In line with Belgian transparency legislation (Law of May 2, 2007), BNP Paribas Asset Management Holding recently sent to Solvay the following transparency notification indicating that they crossed the threshold of 3%. Here is a summary of the notification:

The notification, dated March 13, 2025, contains the following information:

• Reason for the notification:
  • Acquisition or disposal of voting securities or voting rights
  • Downward crossing of the lowest threshold
• Notified by: A parent undertaking or a controlling person
• Date on which the threshold is crossed: March 11, 2025
• Threshold of direct voting rights crossed: 3% downwards
• Denominator: 105,876,416
• Additional information: BNP Paribas Asset Management Europe SAS and BNP Paribas Asset Management UK Ltd are investment companies that exercise voting rights on a discretionary basis in the absence of specific instruction
• Persons subject to the notification requirement: BNP Paribas Asset Management Holding (SA 47000-75318 Paris cedex 09-France)

• Full chain of controlled undertakings through which the holding is effectively held:

BNP Paribas Asset Management Europe SAS and BNP Paribas Asset Management UK Ltd are controlled by the parent company BNP Paribas Asset Management Holding. This parent company is controlled by the parent company BNP Paribas SA, which benefits from the exemption from aggregation of its shareholdings with those of its investment company subsidiaries, in accordance with art. 21 paragraph 2 of the Royal Decree of February 14, 2008 on the disclosure of major shareholdings.

Transparency notifications are available on the Investor Relations Section of Solvay's website.

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About Solvay

Solvay, a pioneering chemical company with a legacy rooted in founder Ernest Solvay's pivotal innovations in the soda ash process, is dedicated to delivering essential solutions globally through its workforce of circa 9,000 employees. Since 1863, Solvay harnesses the power of chemistry to create innovative, sustainable solutions that answer the world’s most essential needs such as purifying the air we breathe and the water we drink, preserving our food supplies, protecting our health and well-being, creating eco-friendly clothing, making the tires of our cars more sustainable and cleaning and protecting our homes. Solvay’s unwavering commitment drives the transition to a carbon-neutral future by 2050, underscoring its dedication to sustainability and a fair and just transition. As a world-leading company with €4.7 billion in net sales in 2024, Solvay is listed on Euronext Brussels and Paris (SOLB). For more information about Solvay, please visit solvay.com or follow Solvay on Linkedin.

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Attachments

• 20250313 BNP Paribas AM Notification
• 20250318_transparency declaration BNP Paribas AM_EN