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Solvay SA Major Shareholding Notification 2026

Jan 6, 2026

4005_mrq_2026-01-06_8a2d2b08-e7a2-4909-9c6b-96fc7e3b1c92.pdf

Major Shareholding Notification

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Press release Regulated information

Participation notification by Morgan Stanley

Brussels, January 6, 2026, 17:45 CET

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

Here is a summary of the notification:

Voting rights after the
transaction
Equivalent financial
instruments after the
transaction
Total
Previous 0.13% 3.17% 3.30%
New 0.00% - 0.00%

The notification, dated December 31, 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: December 23, 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

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● Notified details:

A) Voting rights Previous notification After the transaction
# of voting rights # of voti ng rights % of voting rights
Holders of voting rights Linked to securities Not linked to the
securities
Linked to securities Not linked to the
securities
Morgan Stanley 0
Morgan Stanley & Co. International plc 140,251
Subtotal 140,251
TOTAL 0 0 0.00% 0.00%
B) Equivalent financial instruments After the transaction ]
Holders of equivalent financial instruments Type of financial instrument Expiration date Exercise period or date # of voting rights
that may be
acquired if the
instrument is
exercised
% of voting rights Settlement
+
TOTAL
The totals will be updated once you have clicked on
TOTAL (A & B) # of voting rights % of voting rights
CALCULATE 0 0.00%

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.

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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

[email protected]

Media relations

Peter Boelaert: +32 479 30 91 59

Laetitia Van Minnenbruggen: +32 484 65 30 47

[email protected]

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.

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

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