VÉLIZY-VILLACOUBLAY, France — April 10, 2017 — Dassault Systèmes (Euronext Paris: #13065, DSY.PA), the 3DEXPERIENCE Company, world leader in 3D design software, 3D Digital Mock Up and Product Lifecycle Management (PLM) solutions, will host a webcast and a conference call on Wednesday, April 26, 2017, to discuss its operating performance for the first quarter 2017 ended March 31, 2017.

The management of Dassault Systèmes will host the webcast at 8:30am London time - 9:30am Paris time, and will then also host the conference call at 9:00am New York time - 2:00pm London time - 3:00pm Paris time.

Both the webcast and the conference call will be available via the Internet by accessing Dassault Systèmes’ website at http://www.3ds.com/investors/.

Please follow the directions on the main page to link to the audio and connect to the website at least fifteen minutes prior to the webcast or conference call to register, download and install any necessary software. The webcast and conference call will be archived for one year.