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Participation notification by SIH Partners

Written by Customer Service on . Posted in Public Companies.

Press release        Regulated information

Brussels, September 24, 2026, 17:45 CEST

In line with Belgian transparency legislation (Law of May 2, 2007), SIH Partners, LLLP recently sent to Solvay the following transparency notification indicating that they crossed the threshold of 3%.

Here is a summary of the notification:

Date on which the threshold is crossedVoting rights after the transactionEquivalent financial instruments after the transactionTotal
September 18, 2026–––

The notification, dated September 21, 2026, contains the following information:

  • Reason for the notification:
    • Downward crossing of the lowest threshold
    • Update of a previous notification concerning financial instruments that are treated as voting securities
  • Notified by: A parent undertaking or a controlling person
  • Date on which the threshold is crossed: September 18, 2026
  • Threshold crossed: 3% downwards
  • Denominator: 105,876,416
  • Additional information: Susquehanna International Securities Limited is able to rely on the trading book exemption. Once this exemption is applied, the position falls below the lowest disclosable threshold of 3%.
  • Persons subject to the notification requirement: SIH Partners, LLLP, One Commerce Center 1201 N Orange Street Suite 715, Wilmington, Delaware, United States of America

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

Investor relations

Geoffroy d’Oultremont: +32 478 88 32 96
Vincent Toussaint: +33 6 74 87 85 65
Charlotte Vandevenne: +32 471 68 01 66
investor.relations@solvay.com

Media relations

Peter Boelaert: +32 479 30 91 59
Laetitia Van Minnenbruggen: +32 484 65 30 47
media.relations@solvay.com

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 around 8,400 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 €4.3 billion in net sales in 2025, 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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