Altran Technologies : Erratum on the publication date of 2017 Q1 revenues

Financial calendar 2017. ERRATUM.

Altran will publish its 2017 Q1 revenues on Thursday April 27th 2017 before market opening and not on Friday April 28th 2017 as indicated before.

Financial calendar

1. April 2017: Q1 2017 revenues

2. April 2017: Shareholders' Annual General Meeting 28 July 2017: Q2 2017 revenues

7 September 2017: H1 2017 revenues

27 October 2017: Q3 2017 revenues

As a global leader in Engineering and R&D services (ER&D), Altran offers its clients a new way to innovate by developing the products and services of tomorrow. Altran works alongside its clients on every link in the value chain of their project, from conception to industrialization. For over thirty years, the Group has provided its expertise to key players in the Aerospace, Automotive, Defence, Energy, Finance, Life Sciences, Railway, and Telecoms sectors, among others. In 2016, the Altran group generated revenues of €2.120bn. With a headcount of more than 30,000 employees, Altran is present in more than 20 countries.

www.altran.com

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Executive Vice-President and CFO Tel: + 33 (0)1 46 41 71 89

comfi@altran.com

Group Vice-President Communications Tel: + 33 (0)1 46 41 71 73

marine.boulot@altran.com

Candice Baudet Depierre, directeur conseil Tel: +33 (0)1 44 50 51 71

candice.baudetdepierre@shan.fr

Anne Vernois, directeur associé Tel: + 33 (0)1 44 50 51 75

anne.vernois@shan.fr

D IS CLA IMER

This press release contains forward-looking statements (as defined in the United States Private Securities Litigation Reform Act, as amended) based upon current management expectations. Numerous risks, uncertainties and other factors (including, risks relating to: government legislation affecting our businesses; competition; our ability to manage rapid technological change in the industries in which we compete; litigation risks, labour issues; unanticipated costs from disposals or restructuring) may cause actual results to differ materially from those anticipated, projected or implied in or by the forward-looking statements. Many of the factors that will determine our future results are beyond our ability to control or predict. These forward-looking statements are subject to risks and uncertainties and, therefore, actual results may differ materially from our forward-looking statements. You should not place undue reliance on forward-looking statements which reflect our views only as of the date of this presentation. We undertake no obligation to revise or update any forward-looking statements, or to make any other forward-looking statements, whether as a result of new information, future events or otherwise.

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