DASSAULT SYSTEMES TO PUBLISH ITS FOURTH QUARTER AND FULL YEAR 2019 RESULTS, WEBCAST AND CONFERENCE CALL ON FEBRUARY 6 th , 2020     VÉLIZY-VILLACOUBLAY, France — January 21 st , 2020 — Dassault Systèmes (Euronext Paris: #13065, DSY.PA), the 3DEXPERIENCE Company, world leader in 3D design

Corrective release to the one published on January 9, 2020 Half-year statement of the Liquidity contract entered into with Oddo BHF SCA Vélizy-Villacoublay (France) – January 20, 2020 — Dassault Systèmes ( Euronext Paris: #13065, DSY.PA ), “ The 3D EXPERIENCE Company” , announces that the following

Half-year statement of the Liquidity contract entered into with Oddo BHF SCA Vélizy-Villacoublay (France) – January 9, 2020 — Dassault Systèmes ( Euronext Paris: #13065, DSY.PA ), “ The 3D EXPERIENCE Company” , announces that the following resources appeared on December 31, 2019 on the liquidity

Declaration of the number of outstanding shares and voting rights as of December 31, 2019 Vélizy-Villacoublay (France) January 9, 2020 – Dassault Systèmes (Euronext Paris: #13065, DSY.PA) reports below the total number of its outstanding shares and voting rights as of December 31, 2019, according

                                                                                                        Vélizy-Villacoublay, December 13, 2019             Disclosure of trading in own shares                     (Repurchase program decided by the General Meeting of Shareholders of May 23, 2019)    

                                                                                                        Vélizy-Villacoublay, December 10, 2019             Disclosure of trading in own shares                     (Repurchase program decided by the General Meeting of Shareholders of May 23, 2019)