COMBINED GENERAL SHAREHOLDERS’ MEETING OF MAY 26, 2021 Total number of voting rights and outstanding shares of the Company share capital on April 16 , 2021 , publication date of the Preliminary Notification Vélizy-Villacoublay , France, May 5 , 2021 – According to Article R.22-10-23 of the French

Dassault Systèmes R eports 202 1 F irst Quarter Results A bove the High End of Company Guidance VÉ LIZY-VILLACOUBLAY, France — April 28 , 2021 — Dassault Systèmes (Euronext Paris: #13065, DSY.PA) announces IFRS unaudited financial results for the first quarter ended March 31, 2021.

Bouygues Construction and Dassault Systèmes expand their partnership to speed up digital transformation in the construction industry Two world leaders in their sectors reconfirm their commitment to open new horizons in the construction industry, making it more efficient and sustainable Three-year

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Atos, Dassault Systèmes, Groupe Renault, STMicroelectronics and Thales join forces to create the ‘Software République’: a new open ecosystem for intelligent and sustainable mobility Five leaders in their domains have laid the foundations for this new open innovation ecosystem European sovereignty

Declaration of the number of outstanding shares and voting rights as of March 31, 2021 Vélizy-Villacoublay (France) April 9, 2021 – Dassault Systèmes (Euronext Paris: #13065, DSY.PA) reports below the total number of its outstanding shares and voting rights as of March 31, 2021, according to