Participation notification by SIH Partners

Summary by AI ^BETAClose X

SIH Partners, LLLP has notified Solvay that it crossed the 5% threshold of voting rights upwards on May 8, 2026, now holding a total of 5.09%, comprising 0.12% in voting rights and 4.97% in financial instruments. This notification, sent in accordance with Belgian transparency legislation, indicates an acquisition or disposal of voting securities or financial instruments treated as such, and it was made by a parent undertaking or controlling person. The total number of voting rights is based on a denominator of 105,876,416.

Disclaimer*

Press release Regulated information

Brussels, May 13, 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 5%.

Here is a summary of the notification:

Date on which the threshold is crossed	Voting rights after the transaction	Equivalent financial instruments after the transaction	Total
May 8, 2026	0.12%	4.97%	5.09%

The notification, dated May 11, 2026, contains the following information:

Reason for the notification:
- Acquisition or disposal of voting securities or voting rights
- Acquisition or disposal of financial instruments that are treated as voting securities
Notified by: A parent undertaking or a controlling person
Date on which the threshold is crossed: May 8, 2026
Threshold of direct voting rights crossed: 5% upwards
Denominator: 105,876,416
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.

Ce communiqué de presse est également disponible en français.
Dit persbericht is ook in het Nederlands beschikbaar.

Attachments