VÉLIZY-VILLACOUBLAY, France — (BUSINESS WIRE) — July 24, 2018 — Regulatory News:

Dassault Systèmes (Paris: DSY) (Euronext Paris: #13065, DSY.PA), announces IFRS unaudited financial results for the second quarter and first half ended June 30, 2018. These results were reviewed by the Company’s Board of Directors on July 24, 2018. The Company has adopted IFRS 15 as from January 1, 2018. This press release includes 2018 second quarter and first half financial results under IFRS 15 as well as under the prior IAS 18 standard and includes a summary explanation of the major differences for the Company. In addition, this press release also includes financial information on a non-IFRS basis (both IFRS 15 and IAS 18) with reconciliations included in the Appendix to this communication.

Second Quarter and First Half 2018 Highlights and Financial Summary
(Unaudited, with references to IAS 18 data, revenue in constant currency)

• Organic license and other software revenue up 8% in Q2 and 10% in H1 in constant currencies (IFRS IAS 18)
• Q2 well aligned with Dassault Systèmes’ non-IFRS IAS 18 objectives, with software revenue up 9%, operating margin at 30.2%, EPS of €0.72 up 16% or 22% at constant currency
• 3DEXPERIENCE software revenue up 22% in H1 at constant currency (IAS 18)
• CATIA, SOLIDWORKS, ENOVIA and DELMIA deliver organic double digit license revenue growth in H1 at constant currency (IFRS and non-IFRS IAS 18)
• Cash flow from operations up 9% in H1 to €645 million (IAS 18)
• Completing majority ownership investment in Centric Software
• Confirming and updating 2018 FY IAS 18 non-IFRS revenue objective for acquisitions and currency and upgrading FY EPS to €2.95 to €3.00 per diluted share, growth of 10% to 12% as reported or 15% to 17% at constant currency;