Alten — AGM Information 2018

May 30, 2018

PRESS RELEASE

Paris, 30 May 2018

COMBINED ORDINARY AND EXTRAORDINARY GENERAL MEETING OF 20 JUNE 2018

TERMS OF PROVISION OF THE WORKING DOCUMENTATION

The Shareholders of the company are invited to the Combined Ordinary and Extraordinary General Meeting, which will be held on 20 June 2018, at 10:00 a.m., in the conference room at the Espace Landowski at 28, avenue André Morizet in Boulogne-Billancourt.

The preliminary notice of the General Meeting, including the agenda and the draft resolutions was published in the "Bulletin des Annonces Légales Obligatoires" (BALO) of 16 May 2018 and the notice of meeting is published in the BALO today.

The working documentation for the General Meeting, aslisted in Article R. 225-73-1 of the French Commercial Code, are posted on the Company's website: http://www.alten.com/investors/shareholder-space/general-meeting.

The working documentation for the General Meeting is also available to the shareholders as from today. Thus, in accordance with the applicable regulatory provisions:

• any shareholder holding registered shares may, up to the fifth day, inclusive, prior to the General Meeting, request the documents listed in the articles R.225-81 et R.225-83 of the French commercial code from the Company (subject to the conditions prescribed by the regulation) . For shareholders holding bearer shares, the exercise of this right is subject to the submission of a shareholding certificate delivered by their authorized financial intermediary;
• any shareholder may consult these documents at the registered office of the Company.

For more information: www.alten.fr/investisseurs / Contact: ESCAL Consulting Tel: + 33 1 44 94 95 66

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).