Solvay SA

Major Shareholding Notification • Oct 14, 2024

Press release Regulated information

Participation notification by UBS Group AG

Brussels, October 14, 2024, 17:45 CEST

In line with Belgian transparency legislation (Law of May 2, 2007), UBS Group AG recently sent to Solvay the following transparency notifications indicating that they crossed different thresholds. Here is a summary:

Date on which the threshold was crossed	Voting rights after the transaction	Equivalent financial instruments after the transaction	Total after the transaction
October 4, 2024	0.54%	4.72%	5.26%
October 7, 2024	/	/	/

The latest notification, dated October 10, 2024, contains the following information:

• Reason for the notification:
  • Acquisition or disposal of voting securities or voting rights
  • Downward crossing of the lowest threshold
• Notified by: A parent undertaking or a controlling person
• Date on which the threshold is crossed: October 7, 2024
• Threshold of direct voting rights crossed: 3% downwards
• Denominator: 105,876,416
• Additional information: The disclosure obligation arose due to the total indirect holdings of UBS Group AG in voting rights of Solvay SA, held directly by controlled undertakings falling below 3% on October 7, 2024. This was caused by a reduction in the Trading Book holdings of the aforementioned entities below 5% and therefore being exempt from reporting.
• Persons subject to the notification requirement: UBS Group AG (Bahnhofstrasse 45, 8001 Zürich).

● Notified details:

A) Voting rights	Previous notification	After the transaction
	# of voting rights	# of voting rights		% of voting rights
Holders of voting rights		Linked to securities	Not linked to the securities	Linked to securities	Not linked to the securities
UBS Group AG	0
UBS AG	373,829
UBS Europe SE	11,472
UBS Asset Management (Europe) S.A.	103,460
UBS Asset Management Life Limited	348
UBS Asset Management (Singapore) Ltd	732

	TOTAL	0	0	0.00%	0.00%
Subtotal	571,988
Credit Suisse (Luxembourg) S.A.	180
UBS Fund Management (Switzerland) AG	77,745
UBS Asset Management (UK) Limited	4,222

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			O	0.00%

TOTAL (A & B)		# of voting rights % of voting rights
	CALCULATE	0	0.00%

· Full chain of controlled undertakings through which the holding is effectively held:

Situation as at 07 October 2024

11. Information in relation to the person subject to the notification obligation organizational chart

UBS Group AG, indirectly through its subsidiaries:

• · UBS AG, directly and indirectly through:
  • UBS Switzerland AG, and
  • UBS Europe SE, and .
  • Credit Suisse (Luxembourg) S.A., and
  • · Credit Suisse International, and
  • · UBS Asset Management AG, indirectly through:
    • UBS Asset Management Holding (No.2) Ltd, indirectly through:
      • UBS Asset Management Holding Ltd, indirectly through:
        • UBS Asset Management (UK) Limited, and
        • UBS Asset Management Life Ltd, and
    • UBS Asset Management (Europe) S.A., and
    • UBS Asset Management (Singapore) Ltd, and
    • UBS Asset Management Switzerland AG, indirectly through:
      • UBS Fund Management (Switzerland) AG, and

Transparency notifications are available on the Investor Relations Section of Solvay's website.

Contacts

Peter Boelaert +32 479 30 91 59

Laetitia Van Minnenbruggen +32 484 65 30 47

media.relations@solvay.com

Media relations Investor relations

Boris Cambon-Lalanne +32 471 55 37 49

Geoffroy d'Oultremont +32 478 88 32 96

Vincent Toussaint +33 6 74 87 85 65

investor.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 over 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 €4.9 billion in net sales in 2023, 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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