(2) The non-IFRS percentage increase (decrease) compares non-IFRS measures for the two different periods. In the event there is non-IFRS adjustment to the relevant measure for only one of the periods under comparison, the non-IFRS increase (decrease) compares the non-IFRS measure to the relevant IFRS measure.
(3) Based on a weighted average 258.0 million diluted shares for 9 months 2017 and 257.4 million diluted shares for 9 months 2016.

View source version on businesswire.com: http://www.businesswire.com/news/home/20171024006698/en/

---

Contact:

Dassault Systèmes
François-José Bordonado/Béatrix Martinez, +33.1.61.62.69.24
United States and Canada:
Email Contact
or
FTI Consulting
Rob Mindell, +44.20.3727.1000
Arnaud de Cheffontaines, +33.1.47.03.69.48