Solvay announces the publication of a supplement to its information document


Press release
Regulated / Inside information

Solvay announces the publication of a supplement to its information document

Brussels, November 20, 2023 – 8:30 CET


Today, Solvay SA/NV (“Solvay”) published a supplement to its information document, dated June 30, 2023, in connection with the previously announced planned separation of Solvay into two independent listed companies – SOLVAY and SYENSQO – by way of a partial demerger of Solvay.

The information document covers the future Solvay as a simpler, more focused company post-the Syensqo spin-off, subject to approval by Solvay’s shareholders at the extraordinary general meeting convened for December 8, 2023.

The supplement to the information document is available on the Solvay’s website (


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. As a world-leading company with €5.6 billion in net sales in 2022 and listings on Euronext Brussels and Paris (SOLB), its unwavering commitment drives the transition to a carbon-neutral future by 2050, underscoring its dedication to sustainability and a fair and just transition. For more information about Solvay, please visit or follow Solvay on Linkedin.


Important legal information 

This press release is for informational purposes only and is not intended to, and does not, constitute an offer or invitation to sell or solicitation of an offer to subscribe for or buy, or an invitation to purchase or subscribe for, any securities of Solvay or Syensqo SA/NV (“Syensqo”), any part of the business or assets described herein, or any other interests or the solicitation of any vote or approval in any jurisdiction in connection with the transactions described herein or otherwise, nor shall there be any sale, issuance or transfer of securities in any jurisdiction in contravention of applicable law. This press release should not be construed in any manner as a recommendation to any reader thereof.

This press release is not a prospectus or other offering document for the purposes of Regulation (EU) 2017/1129 of June 14, 2017 (as amended, the “Prospectus Regulation”), and the allocation of shares of Syensqo to Solvay’s shareholders as part of the contemplated partial demerger of Solvay is expected to be carried out in circumstances that do not constitute “an offer of securities to the public” within the meaning of the Prospectus Regulation. Syensqo has prepared a registration document which will become a constituent part of Syensqo’s prospectus for purposes of the admission to trading of Syensqo’s shares on the regulated markets of Euronext in Brussels and Paris in connection with the partial demerger of Solvay. The registration document is, and the other constituent parts of the prospectus will be made, available to investors at no cost on the corporate websites of Syensqo ( and Solvay (, as well as at the registered office of Syensqo, at Rue de la Fusée 98, 1130 Brussels, Belgium. The approval of the registration document, or any other constituent parts of the prospectus, by the Belgian Financial Services and Markets Authority (the “FSMA”) should not be understood as an endorsement of the shares of Syensqo to be admitted to trading on the aforementioned regulated markets.

The distribution of this press release may be restricted by law in certain jurisdictions and persons into whose possession any document or other information referred to herein comes, should inform themselves about and observe any such restriction. Any failure to comply with these restrictions may constitute a violation of the securities laws of any such jurisdiction.

This press release is directed solely to persons in the United Kingdom who (i) have professional experience in matters relating to investments, such persons falling within the definition of “investment professionals” in Article 19(5) of the Financial Services and Markets Act 2000 (Financial Promotion) Order 2005, as amended (the “Financial Promotion Order”) or (ii) are persons falling within Article 49(2)(a) to (d) of the Financial Promotion Order or (iii) other persons to whom an invitation or inducement to engage in investment activity (within the meaning of Section 21 of the Financial Services and Markets Act 2000) may lawfully be communicated or caused to be communicated, (all such persons together being referred to as “relevant persons”). This press release is directed only to relevant persons and must not be acted on or relied on by persons who are not relevant persons.



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Investor relations


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Geoffroy d’Oultremont
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Vincent Toussaint
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