Alten

Declaration of Voting Results & Voting Rights Announcements • Mar 15, 2021

PRESS RELEASE

15/03/2021 5:45 pm

Information pursuant to articles L.233-8-II of French Commercial code and 223-16 of the AMF General Regulation in connection with the number of outstanding shares in the Company and related voting rights

Stock-exchange: Euronext Paris Compartment: A ISIN Code : FR0000071946

Date	Total number of shares constituting the share capital	Total number of theoretical voting rights
February 28th, 2021	34 262 004*	39 429 481

* The share capital is divided into 34 259 967 ordinary shares and into 2 037 preferred B shares

Article 9 of ALTEN's Articles of Association provides that any shareholder acting alone or in concert, in addition to the thresholds set forth in Article L233-7 of the French Commercial Code, that crosses the threshold (upwards or downwards) of 3% of the share capital or voting rights must inform the Company of such crossing. This information must be notified by registered letter with acknowledgement of receipt within 15 days from the date on which such threshold was crossed.

About ALTEN

Created 30 years ago and present in more than 25 countries, ALTEN has become a world leader in Engineering and Technology Consulting. The Group supports its customers' development strategies in the areas of innovation, R&D and information systems. ALTEN had a turnover of €2.269 billion in 2018 and currently has 34,000 employees, 90% of whom are engineers.

Carla van Benschop – carla@escalconsulting.com - 01 73 01 45 52 Sandrine Esposito – sandrine@escalconsulting.com - 01 73 01 45 56