Solvay: UBS Group Exceeds 3% Threshold in Financial Instruments

Details of the Threshold Crossing

According to the press release issued on December 15, 2025, UBS Group notified Solvay that it had exceeded the 3% threshold in total voting rights. The total participation of the Swiss banking group now stands at 3.37%, up from 3.05% previously. This increase is primarily due to a rise in equivalent financial instruments, which moved from 2.88% to 3.20%, while direct voting rights remained stable at 0.17%. According to the notification dated December 10, 2025, the threshold crossing was carried out on December 5, 2025. The denominator used for the calculation amounts to 105,876,416 shares.

Regulatory Compliance and Notification

The company indicates that the obligation to declare arises because the indirect participations of UBS Group in the voting rights of Solvay, held directly by controlled companies, exceeded the regulatory threshold of 3% on December 5, 2025. The notifying party is UBS Group AG, whose head office is located at Bahnhofstrasse 45, 8001 Zurich. This notification is in accordance with Belgian financial transparency legislation, governed by the law of May 2, 2007. The complete chain of companies controlled through which the participation is effectively held is available in the Investor Relations section of Solvay's website.

About Solvay

Solvay is a Belgian chemical group that employs 9,000 people worldwide. Since its founding in 1863, the group has been developing chemical solutions for various sectors, including air purification, water preservation, health protection, and the enhancement of the sustainability of manufactured products. According to the press release, Solvay has set a goal to achieve carbon neutrality by 2050. The group reported a net revenue of 4.7 billion euros in 2024. Solvay is listed on the Euronext markets in Brussels and Paris under the ticker symbol SOLB.