Syensqo completes the third tranche of its €300 million Share Buyback Program

Syensqo completes the third tranche of its €300 million Share Buyback Program

Brussels, Belgium – July 30, 2025 17:45 CET

Syensqo SA is pleased to announce the successful completion of the third tranche of its share buyback program (the “program”), launched on February 27, 2025 and concluded on July 30, 2025.

Since February 27, 2025, a total of 784,328 shares were purchased, representing approximately 0.75% of the Company's outstanding shares. These acquired shares are expected to be cancelled. Until then, they will be held in treasury. 445,001 have already been cancelled on May 9, 2025.

Over the duration of the third tranche, Syensqo invested a total of EUR 50 million at an average purchase price of EUR 63.75 per share.

Final update of the third tranche

In accordance with article 8:4 of the Royal Decree of 29 April 2019 executing the Belgian Code of Companies and Associations, Syensqo SA (“Syensqo” or the “Company”) hereby discloses certain information in relation to its Share Purchase Program, announced on September 30, 2024.

Syensqo announces that it has repurchased 3,434 Syensqo shares in the period from July 28, 2025 up to and including July 30, 2025, as follows:

As of July 30, 2025, the Company held in treasury a total of 1,540,858 Syensqo shares, as follows:

• 143,455 Syensqo shares acquired in the framework of the third tranche of the Share Buyback Program;

• 746,031 Syensqo shares acquired in the framework of the Long Term Incentive Plan (LTIP) share purchase program that was completed on October 23, 2024;

• 651,372 Syensqo shares are held by Syensqo Stock Option Management SRL (“SSOM”), a wholly owned indirect subsidiary of the Company.

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Safe harbor
This press release may contain forward-looking information. Forward-looking statements describe expectations, plans, strategies, goals, future events or intentions. The achievement of forward-looking statements contained in this press release is subject to risks and uncertainties relating to a number of factors, including general economic factors, interest rate and foreign currency exchange rate fluctuations, changing market conditions, product competition, the nature of product development, impact of acquisitions and divestitures, restructurings, products withdrawals, regulatory approval processes, all-in scenario of R&I projects and other unusual items. Consequently, actual results or future events may differ materially from those expressed or implied by such forward-looking statements. Should known or unknown risks or uncertainties materialize, or should our assumptions prove inaccurate, actual results could vary materially from those anticipated. The Company undertakes no obligation to publicly update or revise any forward-looking statements.

About Syensqo
Syensqo is a science company developing groundbreaking solutions that enhance the way we live, work, travel and play. Inspired by the scientific councils which Ernest Solvay initiated in 1911, we bring great minds together to push the limits of science and innovation for the benefit of our customers, with a diverse, global team of more than 13,000 associates.
Our solutions contribute to safer, cleaner, and more sustainable products found in homes, food and consumer goods, planes, cars, batteries, smart devices and health care applications. Our innovation power enables us to deliver on the ambition of a circular economy and explore breakthrough technologies that advance humanity.

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