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Syensqo SA/NV

Transaction in Own Shares Oct 20, 2025

6535_pos_2025-10-20_d513f178-7e66-48b0-8f43-b57bd51e785b.pdf

Transaction in Own Shares

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Acquisition of own shares

Brussels, October 20, 2025 - 17:45 CET

In accordance with article 7:215 of the Belgian Code of Companies and Associations, Syensqo SA ("Syensqo" or the "Company") pursues its Share Buyback Program (or the "Program") announced on September 30, 2024, covering up to €300 million.

The fourth tranche began on July 31, 2025 and will cover a maximum amount of up to €50 million (of the €300 million Program). The Company intends to cancel all shares acquired through this tranche.

In the framework of this tranche, Syensqo announces that it has repurchased 64,000 Syensqo shares in the period from October 13, 2025 up to and including October 17, 2025, as follows:

Date of purchase Market / MTF Number of shares Average
price paid
(€)
Total (€) Lowest price
paid (€)
Highest
price paid
(€)
13-Oct-25 CEUX 2,000 65.95 131,892.00 65.38 66.70
13-Oct-25 XBRU 11,000 66.54 731,921.30 65.38 66.76
14-Oct-25 CEUX 2,000 66.10 132,204.80 65.86 66.50
14-Oct-25 XBRU 11,000 66.06 726,667.70 65.82 66.50
15-Oct-25 CEUX 2,000 66.96 133,925.00 66.32 67.46
15-Oct-25 XBRU 11,000 66.71 733,856.20 66.34 67.42
16-Oct-25 CEUX 2,000 66.78 133,564.40 66.38 67.10
16-Oct-25 XBRU 11,000 67.07 737,811.80 66.38 67.18
17-Oct-25 CEUX 2,000 67.85 135,702.40 66.56 68.76
17-Oct-25 XBRU 10,000 68.14 681,433.00 66.54 68.74
Total 64,000 4,278,979

As of October 17, 2025, the Company held a total of 1,745,858 own shares, spread out as follows:

  • 143,455 Syensqo shares acquired in the framework of the third tranche of the Share Buyback Program, and yet to be cancelled;
  • 205,000 Syensqo shares acquired in the framework of the fourth 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 by Syensqo Stock Option Management SRL ("SSOM"), a wholly owned indirect subsidiary of the Company.

Contacts

Investors & Analysts Media Relations

Sherief Bakr +44 7920 575 989

Robbin Moore-Randolph +1 470 493 2433

Loïc Flament +32 478 69 74 20

[email protected] [email protected]

Perrine Marchal +32 478 32 62 72

Laetitia Schreiber +32 487 74 38 07

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 in 30 countries.

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. Learn more at www.syensqo.com.

Useful links

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