Participation notification by DME Advisors and DME Capital Management
Press release Regulated information
Brussels, September 8, 2026, 17:45 CEST
In line with Belgian transparency legislation (Law of May 2, 2007), DME Advisors and DME Capital Management recently sent to Solvay a transparency notification indicating that the 5% threshold was crossed downwards.
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 |
| August 31, 2026 | 4.96% | 0.00% | 4.96% |
The notification, dated September 4, 2026, contains the following information:
- Reason for the notification:
- Acquisition or disposal of voting securities or voting rights
- Notified by: A parent undertaking or a controlling person
- Date on which the threshold is crossed: August 31, 2026
- Threshold of direct voting rights crossed: 5% downwards
- Denominator: 105,876,416
- Additional information: DME Advisors, LP and DME Capital Management, LP are the discretionary investment managers and exercise the voting rights at their discretion in the absence of specific instructions.
- Persons subject to the notification requirement:
| Name | Address (for legal entities) |
| David Einhorn | 140 East 45th Street, 24th Floor, New York, NY 10023, USA |
| DME Advisors GP, LLC | Corporation Trust Center, 1209 Orange Street, Wilmington, DE 19801, USA |
| DME Capital Management, LP | Corporation Trust Center, 1209 Orange Street, Wilmington, DE 19801, USA |
| DME Advisors, LP | Corporation Trust Center, 1209 Orange Street, Wilmington, DE 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
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
20260831 - Notification Greenlight.pdf 20260908_transparency declaration Greenlight_EN.pdf