Press release relating to the 2026 General Meeting and to the 2025 Dividend

PRESS RELEASE

In Boulogne-Billancourt, on April 28, 2026
5:40 PM

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NOTICE OF 2026 GENERAL MEETING AND DIVIDEND RELATING TO THE 2025 FINANCIAL YEAR

On 28 April 2026, the Board of Directors of Alten SA (the "Company") decided to convene the Company's 2026 General Meeting on 18 June 2026. The notice of meeting will be published shortly in the French legal gazette (BALO) and will also be available on the Company's website.

The Board of Directors has decided to recommend that the shareholders approve a dividend of €1.50 per ordinary share at the 2026 Annual General Meeting for the financial year ended 31 December 2025.

Subject to the adoption by the 2026 General Meeting of the resolution relating to the allocation of the result, the dividend will be paid on 24 June 2026 and shares will trade ex-dividend from 22 June 2026.

About ALTEN

For more information: www.alten.com/investisseurs
Journalists’ details: alten@hopscotch.fr

As a European Leader in Engineering and Technology Consulting (ETC), ALTEN carries out design and research projects for Technical and IT divisions of major clients in industry, telecoms and services.

ALTEN’s stock is listed in compartment A of the Euronext Paris market (ISIN FR000001946); it is part of the SBF 120, the IT CAC 50 index and MIDCAP100, and is eligible for the deferred Settlement Service (SRD).

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