Alten

Declaration of Voting Results & Voting Rights Announcements • May 4, 2018

PRESS RELEASE

Paris – 05/04/2018

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 voting rights
th 2018 April 30	33 828 497*	Theoretical number of voting rights 38 864 457

* The share capital is divided into 33 825 747 ordinary shares and into 2 750 preferred A shares

About ALTEN

For more information: www.alten.com/investors

As a European Leader in Technology Consulting and Engineering (TCE), 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 FR0000071946); it is part of the SBF 120, the IT CAC 50 index and MIDCAP 100, and is eligible for the Deferred Settlement Service (SRD).