Solvay Notifies Solvay of 3% Shareholdings Threshold Crossings

Solvay, a pioneering chemical company with a legacy rooted in founder Ernest Solvay's pivotal innovations in the soda ash process, has recently notified Solvay of a regulatory compliance issue. In line with Belgian transparency legislation (Law of May 2, 2007), SIH Partners, LLLP recently sent Solvay a transparency notification indicating that they crossed the 3% threshold.

The notification, dated September 21, 2026, contains the following information: SIH Partners, LLLP, a parent undertaking or a controlling person, crossed the downward threshold of 3% on September 18, 2026. The denominator for this calculation is 105,876,416. Additional information provided in the notification is that 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%.

This notification pertains to financial instruments that are treated as voting securities. The persons subject to the notification requirement are SIH Partners, LLLP, and One Commerce Center 1201 N Orange Street Suite 715, Wilmington, Delaware, United States. 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.

Since 1863, Solvay has been dedicated to delivering essential solutions globally through its workforce of around 8,400 employees. Harnessing the power of chemistry, Solvay creates innovative, sustainable solutions that address 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).