AtoS SE

Transaction in Own Shares • Jun 30, 2017

Buy-back Program limited to 150,000 shares

Bezons, June 30, 2017 –Atos SE hereby announces the implementation from June 30, 2017, of an irrevocable mandate with an independent financial services provider, for the purpose of buying back its shares up to a maximum of 150,000 shares until July 10, 2017, with a maximum purchase price of €170 per share in accordance with the 14th resolution approved by the Combined General Meeting of May 24, 2017. These shares will be delivered to beneficiaries of performance shares or share purchase plans.

Contacts

Investor Relations: Gilles Arditti +33 1 73 26 00 66

gilles.arditti@atos.net

About Atos

Atos is a global leader in digital transformation with approximately 100,000 employees in 72 countries and annual revenue of around € 12 billion. The European number one in Big Data, Cybersecurity, High Performance Computing and Digital Workplace, The Group provides Cloud services, Infrastructure & Data Management, Business & Platform solutions, as well as transactional services through Worldline, the European leader in the payment industry. With its cutting-edge technologies, digital expertise and industry knowledge, Atos supports the digital transformation of its clients across various business sectors: Defense, Financial Services, Health, Manufacturing, Media, Energy & Utilities, Public sector, Retail, Telecommunications and Transportation. The Group is the Worldwide Information Technology Partner for the Olympic & Paralympic Games and operates under the brands Atos, Atos Consulting, Atos Worldgrid, Bull, Canopy, Unify and Worldline. Atos SE (Societas Europaea) is listed on the CAC40 Paris stock index.