Solvay S.A.: acquisition of own shares

Brussels, September 9, 2024, 6:00pm CEST - Regulated information

In accordance with article 8:4 of the Royal Decree of 29 April 2019 executing the Belgian Code of Companies and Associations, Solvay SA hereby discloses certain information in relation to its Share Buyback Program, announced on August 1, 2024.

Solvay has repurchased 36,500 Solvay shares in the period from September 2, 2024 up to and including September 6, 2024, as follows:

Date of repurchase	Number of shares	Average price paid	Max price paid	Min price paid	Total	Market
02-09-2024	500	32.011	32.28	31.72	16,005.50	XBRU
03-09-2024	500	31.9496	32.18	31.55	15,974.80	XBRU
04-09-2024	82	31.58	31.58	31.58	2,589.56	CEUX
04-09-2024	418	31.5824	31.71	31.29	13,201.44	XBRU
05-09-2024	168	31.6889	31.74	31.68	5,323.74	AQEU
05-09-2024	433	31.692	31.7	31.66	13,722.64	CEUX
05-09-2024	181	31.6692	31.68	31.66	5,732.13	TQEX
05-09-2024	4,218	31.7046	32.27	31.56	133,730.00	XBRU
06-09-2024	1,043	31.5252	31.7	31.28	32,880.78	AQEU
06-09-2024	8,685	31.4121	31.71	31.22	272,814.09	CEUX
06-09-2024	1,166	31.5686	31.7	31.28	36,808.99	TQEX
06-09-2024	19,106	31.5167	31.75	31.19	602,158.07	XBRU

As of September 6, 2024, Solvay held a total of 1,230,841 own shares, spread out as follows:

• 927,912 Solvay shares held by Solvay SA; and
• 302,929 Solvay shares held by Solvay Stock Option Management SRL ("SSOM"), a wholly owned indirect subsidiary of Solvay SA.

Contacts

Media relations	Investor relations
Peter Boelaert [phone] Laetitia Van Minnenbruggen [phone] Kimberly King + 1 470 464 4336 [e-mail] (mailto:[e-mail])	Boris Cambon-Lalanne [phone] Geoffroy d'Oultremont [phone] Vincent Toussaint [phone] [e-mail] (mailto:[e-mail])

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 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 Parisor follow Solvayon Linkedin.

Attachment

• Press release (https://ml-eu.globenewswire.com/Resource/Download/925115c8-1685-4d15-bbd7-52f73544e789)