DASSAULT SYSTEMES TO PUBLISH ITS FIRST QUARTER 2021 RESULTS, WEBCAST AND CONFERENCE CALL ON APRIL 28 th , 2021        VÉLIZY-VILLACOUBLAY, France — April 13 rd , 2021 — Dassault Systèmes (Euronext Paris: #13065, DSY.PA), the 3DEXPERIENCE Company, world leader in 3D design software, 3D Digital Mock

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

DASSAULT SYSTEMES A European Company ( Societas Europaea, SE ) with registered capital of €132,711,132 ___ REGISTERED OFFICE 10, rue Marcel Dassault 78140 VELIZY-VILLACOUBLAY (the " Company ") ___   BY-LAWS (“STATUTS”) Updated further to the decisions of the Board of Directors dated March 18, 2021

Filing of the 2020 Universal Registration Document / 2021 Financial Objectives Vélizy-Villacoublay, France, March 19, 2021 – Dassault Systèmes (Euronext Paris: #13065, DSY.PA) announces the filing on March 19, 2021 of its 2020 Universal Registration Document (constituting the Annual Financial

VÉLIZY-VILLACOUBLAY, France — March 18, 2021 — Dassault Systèmes (Euronext Paris: #13065, DSY.PA) announces that the Board of Directors is proposing to the next General Meeting of Shareholders of May 26, 2021 the approval of a dividend of €0.56 per share for the year 2020, payable in cash only.