Press release                                                                  Regulated information

Brussels, August 29, 2025, 17h45 CEST

In line with Belgian transparency legislation (Law of May 2, 2007), Morgan Stanley recently sent to Solvay the following transparency notification, indicating that it has crossed the threshold of 3% and now holds less than 3%. 

The notification, dated August 27, 2025, contains the following information:

• Reason for the notification: 
  • Acquisition or disposal of financial instruments that are treated as voting securities
  • Downward crossing of the lowest threshold
• Notified by: A parent undertaking or a controlling person
• Date on which the threshold is crossed: August 21, 2025
• Threshold of direct voting rights crossed: 3% downwards
• Denominator: 105,876,416 
• Persons subject to the notification requirement: Morgan Stanley c/o The Corporation Trust Company (DE), Corporation Trust Center, 1209 Orange Street, Wilmington, Delaware 19801, USA

Transparency notifications and the full chain of controlled undertakings through which the holding is effectively held are available on the Investor Relations Section of Solvay's website.

Contacts

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

• Press release
• 20250829 - Morgan Stanley notification