Solvay: acquisition of own shares and completion of the share buyback program

Brussels, October 1, 2024, 6:30pm 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 161,273 Solvay shares in the period from September 23, 2024 up to and including October 1, 2024, as follows:

Date of repurchase	Number of shares	Average price paid	Max price paid	Min price paid	Total	Market
23-09-2024	926	34.4487	34.68	34.29	31,899.50	AQEU
23-09-2024	5,508	34.3948	34.68	34.29	189,446.56	CEUX
23-09-2024	150	34.3436	34.39	34.3	5,151.54	TQEX
23-09-2024	16,416	34.4332	34.68	34.22	565,255.41	XBRU
24-09-2024	197	34.4680	34.47	34.39	6,790.20	AQEU
24-09-2024	2,675	34.6538	35.05	34.46	92,698.92	CEUX
24-09-2024	541	34.5811	34.97	34.48	18,708.38	TQEX
24-09-2024	19,587	34.7424	35.12	34.37	680,499.39	XBRU
25-09-2024	1,221	34.2083	34.72	33.69	41,768.33	AQEU
25-09-2024	3,410	34.1374	34.70	33.69	116,408.53	CEUX
25-09-2024	2,594	33.8941	34.55	33.69	87,921.30	TQEX
25-09-2024	15,775	34.0700	34.82	33.68	537,454.25	XBRU
26-09-2024	788	33.9197	34.08	33.82	26,728.72	AQEU
26-09-2024	7,055	33.8841	34.02	33.69	239,052.33	CEUX
26-09-2024	1,002	33.8745	34.08	33.73	33,942.25	TQEX
26-09-2024	14,155	33.8451	34.08	33.66	479,077.39	XBRU
27-09-2024	600	34.5824	34.74	34.31	20,749.44	AQEU
27-09-2024	3,003	34.7540	34.98	34.33	104,366.26	CEUX
27-09-2024	385	34.6915	34.96	34.40	13,356.23	TQEX
27-09-2024	19,212	34.7680	35.00	34.27	667,962.82	XBRU
30-09-2024	549	35.1285	35.31	34.39	19,285.55	AQEU
30-09-2024	6,147	34.8778	35.33	34.25	214,393.84	CEUX
30-09-2024	466	34.9534	35.32	34.25	16,288.28	TQEX
30-09-2024	15,838	34.7266	35.35	34.10	549,999.89	XBRU
01-10-2024	708	35.7480	35.85	35.41	25,309.58	AQEU
01-10-2024	4,361	35.6429	35.87	35.18	155,438.69	CEUX
01-10-2024	2,283	35.6917	35.86	35.35	81,484.15	TQEX
01-10-2024	15,721	35.5966	35.82	35.18	559,614.15	XBRU

These transactions mark the end of the share buyback program announced on August 1, which intended to acquire up to 1,025,000 Solvay shares for the purpose of meeting any delivery obligations of Solvay shares arising from grants of its 2023 and 2024 long-term incentive (Performance Share Units and Restricted Share Units) plans.

As of October 1, 2024, Solvay holds a total of 1,530,711 own shares, spread out as follows:

• 1,241,675 Solvay shares held by Solvay SA; and
• 289,036 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 +32 479 30 91 59   Laetitia Van Minnenbruggen +32 484 65 30 47   media.relations@solvay.com	Boris Cambon-Lalanne +32 471 55 37 49 Geoffroy d’Oultremont +32 478 88 32 96 Vincent Toussaint +33 6 74 87 85 65 investor.relations@solvay.com

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 Paris (SOLB). For more information about Solvay, please visit solvay.com or follow Solvay on Linkedin.

Attachment

• Press release