Notice of 2025 General Meeting and Dividend relating to the 2024 Financial year

On 24 April 2025, the Board of Directors of Alten SA (the “Company”) decided to convene the Company’s 2025 General Meeting on 12 June 2025. The notice of meeting will be published shortly in the French legal gazette (BALO) and will also be posted on the Company’s website.

The Board of Directors has resolved to recommend that the shareholders approve a dividend of €1.50 per ordinary share at the 2025 Annual General Meeting for the financial year ended 31 December 2024.

Subject to the adoption by the 2025 General Meeting of the resolution relating to the allocation of the result, the dividend will be paid on 18 June 2025 and shares will trade ex-dividend from 16 June 2025.