Brussels, Belgium - April 18, 2025 - 17:45 CET

In alignment with Article 7:215 of the Belgian Code of Companies and Associations, Syensqo SA, referred to as "Syensqo" or "the Company," announced the continuation of its share buyback program, initially unveiled on September 30, 2024. This ongoing initiative is set to operate with a maximum budget of 300 million.

The third tranche of the buyback program commenced on February 27, 2025, and is scheduled to run until June 27, 2025, with a dedicated budget of up to 50 million from the overall 300 million allocation. The Company intends to cancel all shares acquired through this tranche, effectively reducing the number of shares in circulation and potentially enhancing shareholder value.

As part of this third tranche, Syensqo disclosed that it purchased a total of 60,639 shares between April 14 and April 18, 2025. The detailed acquisition data is as follows:

In total, the shares bought back during this period amounted to an impressive 3,521,365.23, demonstrating Syensqo's commitment to returning value to its shareholders.

As of April 18, 2025, the Company holds a total of 1,749,313 of its own shares, distributed as follows:

• 351,910 Syensqo shares pertaining to the third tranche of the ongoing 300 million buyback program that commenced on November 5, 2024;
• 746,031 Syensqo shares acquired under the LTIP Share Buyback Program, which concluded on October 23, 2024;
• 651,372 Syensqo shares held by Syensqo Stock Option Management SRL (SSOM), a wholly owned indirect subsidiary of the Company.

Contact Information

For further inquiries, investors and analysts can reach out via email at investor.relations@syensqo.com. Media inquiries can be directed to media.relations@syensqo.com.

For specific contacts, you may reach out to:

• Sherief Bakr: +44 7920 575 989
• Bisser Alexandrov: +33 607 635 28
• Loc Flament: +32 478 69 74 20
• Perrine Marchal: +32 487 74 38 07
• Laetitia Schreiber: +32 478 32 62 72

Legal Disclaimer

This press release may contain forward-looking information. Forward-looking statements describe expectations, plans, strategies, goals, future events, or intentions. The realization of the forward-looking statements contained in this press release is subject to and depends on risks and uncertainties associated with various factors, including general economic conditions, interest rate fluctuations, exchange rate changes, evolving market conditions, product competition, the nature of product development, the impact of acquisitions and divestitures, restructurings, product withdrawals, regulatory approvals, the overall scenario of research and innovation projects, and other unusual matters. Consequently, the actual or future results may differ significantly from those explicitly reported or implicitly suggested in such forward-looking statements. Should known or unknown risks or uncertainties materialize, or should our assumptions prove incorrect, actual results may vary substantially from expected outcomes. Syensqo does not undertake to publicly update or revise forward-looking statements.

About Syensqo

Syensqo is a science-based company dedicated to developing groundbreaking solutions that enhance the way we live, work, travel, and entertain ourselves. Inspired by the scientific councils convened by Ernest Solvay in 1911, we unite brilliant talents that push the boundaries of science and innovation for the benefit of our customers, backed by a global team of over 13,000 professionals.

Our solutions contribute to creating safer, cleaner, and more sustainable products across various domains, including homes, food and consumer goods, aircraft, automobiles, batteries, smart devices, and healthcare applications. Our innovative capabilities enable us to achieve the ambition of a circular economy while developing transformative technologies that advance humanity.

Investor Relations Resources

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